diff options
| author | bernard.xiong <[email protected]> | 2009-10-20 23:57:24 +0000 |
|---|---|---|
| committer | bernard.xiong <[email protected]> | 2009-10-20 23:57:24 +0000 |
| commit | fc91e49c23fc2927ca1f3b49d53f0c5689ef1b8b (patch) | |
| tree | 92ab679b6122a0b09d68dc5d140552e90e084476 /bsp | |
| parent | 2b4e03e45942bd944cd0e4ce777a0be9ac7483a8 (diff) | |
update sdcard driver to 3.x.
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@116 bbd45198-f89e-11dd-88c7-29a3b14d5316
Diffstat (limited to 'bsp')
| -rw-r--r-- | bsp/stm32_radio/sdcard.c | 6282 | ||||
| -rw-r--r-- | bsp/stm32_radio/sdcard.h | 549 |
2 files changed, 3406 insertions, 3425 deletions
diff --git a/bsp/stm32_radio/sdcard.c b/bsp/stm32_radio/sdcard.c index 7d1e741ad4..c60c30ae40 100644 --- a/bsp/stm32_radio/sdcard.c +++ b/bsp/stm32_radio/sdcard.c @@ -1,3161 +1,3121 @@ -/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
-* File Name : sdcard.c
-* Author : MCD Application Team
-* Version : V2.0.3
-* Date : 09/22/2008
-* Description : This file provides all the SD Card driver firmware
-* functions.
-********************************************************************************
-* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
-* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
-* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
-* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
-* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
-* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
-*******************************************************************************/
-
-/* Includes ------------------------------------------------------------------*/
-#include "sdcard.h"
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-#define NULL 0
-#define SDIO_STATIC_FLAGS ((u32)0x000005FF)
-#define SDIO_CMD0TIMEOUT ((u32)0x00002710)
-#define SDIO_FIFO_Address ((u32)0x40018080)
-
-/* Mask for errors Card Status R1 (OCR Register) */
-#define SD_OCR_ADDR_OUT_OF_RANGE ((u32)0x80000000)
-#define SD_OCR_ADDR_MISALIGNED ((u32)0x40000000)
-#define SD_OCR_BLOCK_LEN_ERR ((u32)0x20000000)
-#define SD_OCR_ERASE_SEQ_ERR ((u32)0x10000000)
-#define SD_OCR_BAD_ERASE_PARAM ((u32)0x08000000)
-#define SD_OCR_WRITE_PROT_VIOLATION ((u32)0x04000000)
-#define SD_OCR_LOCK_UNLOCK_FAILED ((u32)0x01000000)
-#define SD_OCR_COM_CRC_FAILED ((u32)0x00800000)
-#define SD_OCR_ILLEGAL_CMD ((u32)0x00400000)
-#define SD_OCR_CARD_ECC_FAILED ((u32)0x00200000)
-#define SD_OCR_CC_ERROR ((u32)0x00100000)
-#define SD_OCR_GENERAL_UNKNOWN_ERROR ((u32)0x00080000)
-#define SD_OCR_STREAM_READ_UNDERRUN ((u32)0x00040000)
-#define SD_OCR_STREAM_WRITE_OVERRUN ((u32)0x00020000)
-#define SD_OCR_CID_CSD_OVERWRIETE ((u32)0x00010000)
-#define SD_OCR_WP_ERASE_SKIP ((u32)0x00008000)
-#define SD_OCR_CARD_ECC_DISABLED ((u32)0x00004000)
-#define SD_OCR_ERASE_RESET ((u32)0x00002000)
-#define SD_OCR_AKE_SEQ_ERROR ((u32)0x00000008)
-#define SD_OCR_ERRORBITS ((u32)0xFDFFE008)
-
-/* Masks for R6 Response */
-#define SD_R6_GENERAL_UNKNOWN_ERROR ((u32)0x00002000)
-#define SD_R6_ILLEGAL_CMD ((u32)0x00004000)
-#define SD_R6_COM_CRC_FAILED ((u32)0x00008000)
-
-#define SD_VOLTAGE_WINDOW_SD ((u32)0x80100000)
-#define SD_HIGH_CAPACITY ((u32)0x40000000)
-#define SD_STD_CAPACITY ((u32)0x00000000)
-#define SD_CHECK_PATTERN ((u32)0x000001AA)
-#define SD_VOLTAGE_WINDOW_MMC ((u32)0x80FF8000)
-
-#define SD_MAX_VOLT_TRIAL ((u32)0x0000FFFF)
-#define SD_ALLZERO ((u32)0x00000000)
-
-#define SD_WIDE_BUS_SUPPORT ((u32)0x00040000)
-#define SD_SINGLE_BUS_SUPPORT ((u32)0x00010000)
-#define SD_CARD_LOCKED ((u32)0x02000000)
-#define SD_CARD_PROGRAMMING ((u32)0x00000007)
-#define SD_CARD_RECEIVING ((u32)0x00000006)
-#define SD_DATATIMEOUT ((u32)0x000FFFFF)
-#define SD_0TO7BITS ((u32)0x000000FF)
-#define SD_8TO15BITS ((u32)0x0000FF00)
-#define SD_16TO23BITS ((u32)0x00FF0000)
-#define SD_24TO31BITS ((u32)0xFF000000)
-#define SD_MAX_DATA_LENGTH ((u32)0x01FFFFFF)
-
-#define SD_HALFFIFO ((u32)0x00000008)
-#define SD_HALFFIFOBYTES ((u32)0x00000020)
-
-/* Command Class Supported */
-#define SD_CCCC_LOCK_UNLOCK ((u32)0x00000080)
-#define SD_CCCC_WRITE_PROT ((u32)0x00000040)
-#define SD_CCCC_ERASE ((u32)0x00000020)
-
-/* Following commands are SD Card Specific commands.
- SDIO_APP_CMD should be sent before sending these commands. */
-#define SDIO_SEND_IF_COND ((u32)0x00000008)
-
-#define SDIO_INIT_CLK_DIV ((u8)0xB2)
-#define SDIO_TRANSFER_CLK_DIV ((u8)0x1)
-
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-static u32 CardType = SDIO_STD_CAPACITY_SD_CARD_V1_1;
-static u32 CSD_Tab[4], CID_Tab[4], RCA = 0;
-static u32 DeviceMode = SD_DMA_MODE;
-static u32 TotalNumberOfBytes = 0, StopCondition = 0;
-u32 *SrcBuffer, *DestBuffer;
-volatile SD_Error TransferError = SD_OK;
-vu32 TransferEnd = 0;
-vu32 NumberOfBytes = 0;
-SDIO_InitTypeDef SDIO_InitStructure;
-SDIO_CmdInitTypeDef SDIO_CmdInitStructure;
-SDIO_DataInitTypeDef SDIO_DataInitStructure;
-
-/* Private function prototypes -----------------------------------------------*/
-static SD_Error CmdError(void);
-static SD_Error CmdResp1Error(u8 cmd);
-static SD_Error CmdResp7Error(void);
-static SD_Error CmdResp3Error(void);
-static SD_Error CmdResp2Error(void);
-static SD_Error CmdResp6Error(u8 cmd, u16 *prca);
-static SD_Error SDEnWideBus(FunctionalState NewState);
-static SD_Error IsCardProgramming(u8 *pstatus);
-static SD_Error FindSCR(u16 rca, u32 *pscr);
-static u8 convert_from_bytes_to_power_of_two(u16 NumberOfBytes);
-static void GPIO_Configuration(void);
-static void DMA_TxConfiguration(u32 *BufferSRC, u32 BufferSize);
-static void DMA_RxConfiguration(u32 *BufferDST, u32 BufferSize);
-
-/* Private functions ---------------------------------------------------------*/
-
-/*******************************************************************************
-* Function Name : SD_Init
-* Description : Initializes the SD Card and put it into StandBy State (Ready
-* for data transfer).
-* Input : None
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-SD_Error SD_Init(void)
-{
- SD_Error errorstatus = SD_OK;
-
- /* Configure SDIO interface GPIO */
- GPIO_Configuration();
-
- /* Enable the SDIO AHB Clock */
- RCC_AHBPeriphClockCmd(RCC_AHBPeriph_SDIO, ENABLE);
-
- /* Enable the DMA2 Clock */
- RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA2, ENABLE);
-
- SDIO_DeInit();
-
- errorstatus = SD_PowerON();
-
- if (errorstatus != SD_OK)
- {
- /* CMD Response TimeOut (wait for CMDSENT flag) */
- return(errorstatus);
- }
-
- errorstatus = SD_InitializeCards();
-
- if (errorstatus != SD_OK)
- {
- /* CMD Response TimeOut (wait for CMDSENT flag) */
- return(errorstatus);
- }
-
- /* Configure the SDIO peripheral */
- /* HCLK = 72 MHz, SDIOCLK = 72 MHz, SDIO_CK = HCLK/(2 + 1) = 24 MHz */
- SDIO_InitStructure.SDIO_ClockDiv = SDIO_TRANSFER_CLK_DIV;
- SDIO_InitStructure.SDIO_ClockEdge = SDIO_ClockEdge_Rising;
- SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable;
- SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable;
- SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_1b;
- SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable;
- SDIO_Init(&SDIO_InitStructure);
-
- return(errorstatus);
-}
-
-/*******************************************************************************
-* Function Name : SD_PowerON
-* Description : Enquires cards about their operating voltage and configures
-* clock controls.
-* Input : None
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-SD_Error SD_PowerON(void)
-{
- SD_Error errorstatus = SD_OK;
- u32 response = 0, count = 0;
- bool validvoltage = FALSE;
- u32 SDType = SD_STD_CAPACITY;
-
- /* Power ON Sequence -------------------------------------------------------*/
- /* Configure the SDIO peripheral */
- SDIO_InitStructure.SDIO_ClockDiv = SDIO_INIT_CLK_DIV; /* HCLK = 72MHz, SDIOCLK = 72MHz, SDIO_CK = HCLK/(178 + 2) = 400 KHz */
- SDIO_InitStructure.SDIO_ClockEdge = SDIO_ClockEdge_Rising;
- SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable;
- SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable;
- SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_1b;
- SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable;
- SDIO_Init(&SDIO_InitStructure);
-
- /* Set Power State to ON */
- SDIO_SetPowerState(SDIO_PowerState_ON);
-
- /* Enable SDIO Clock */
- SDIO_ClockCmd(ENABLE);
-
- /* CMD0: GO_IDLE_STATE -------------------------------------------------------*/
- /* No CMD response required */
- SDIO_CmdInitStructure.SDIO_Argument = 0x0;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_GO_IDLE_STATE;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_No;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdError();
-
- if (errorstatus != SD_OK)
- {
- /* CMD Response TimeOut (wait for CMDSENT flag) */
- return(errorstatus);
- }
-
- /* CMD8: SEND_IF_COND --------------------------------------------------------*/
- /* Send CMD8 to verify SD card interface operating condition */
- /* Argument: - [31:12]: Reserved (shall be set to '0')
- - [11:8]: Supply Voltage (VHS) 0x1 (Range: 2.7-3.6 V)
- - [7:0]: Check Pattern (recommended 0xAA) */
- /* CMD Response: R7 */
- SDIO_CmdInitStructure.SDIO_Argument = SD_CHECK_PATTERN;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_IF_COND;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp7Error();
-
- if (errorstatus == SD_OK)
- {
- CardType = SDIO_STD_CAPACITY_SD_CARD_V2_0; /* SD Card 2.0 */
- SDType = SD_HIGH_CAPACITY;
- }
- else
- {
- /* CMD55 */
- SDIO_CmdInitStructure.SDIO_Argument = 0x00;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
- errorstatus = CmdResp1Error(SDIO_APP_CMD);
- }
- /* CMD55 */
- SDIO_CmdInitStructure.SDIO_Argument = 0x00;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
- errorstatus = CmdResp1Error(SDIO_APP_CMD);
-
- /* If errorstatus is Command TimeOut, it is a MMC card */
- /* If errorstatus is SD_OK it is a SD card: SD card 2.0 (voltage range mismatch)
- or SD card 1.x */
- if (errorstatus == SD_OK)
- {
- /* SD CARD */
- /* Send ACMD41 SD_APP_OP_COND with Argument 0x80100000 */
- while ((!validvoltage) && (count < SD_MAX_VOLT_TRIAL))
- {
-
- /* SEND CMD55 APP_CMD with RCA as 0 */
- SDIO_CmdInitStructure.SDIO_Argument = 0x00;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_APP_CMD);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
- SDIO_CmdInitStructure.SDIO_Argument = SD_VOLTAGE_WINDOW_SD | SDType;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_APP_OP_COND;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp3Error();
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- response = SDIO_GetResponse(SDIO_RESP1);
- validvoltage = (bool) (((response >> 31) == 1) ? 1 : 0);
- count++;
- }
- if (count >= SD_MAX_VOLT_TRIAL)
- {
- errorstatus = SD_INVALID_VOLTRANGE;
- return(errorstatus);
- }
-
- if (response &= SD_HIGH_CAPACITY)
- {
- CardType = SDIO_HIGH_CAPACITY_SD_CARD;
- }
-
- }/* else MMC Card */
- else
- {
- CardType = SDIO_MULTIMEDIA_CARD;
-
- /* Send CMD1 SEND_OP_COND with Argument 0x80FF8000 */
- while ((!validvoltage) && (count < SD_MAX_VOLT_TRIAL))
- {
-
- /* SEND CMD55 APP_CMD with RCA as 0 */
- SDIO_CmdInitStructure.SDIO_Argument = SD_VOLTAGE_WINDOW_MMC;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_OP_COND;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp3Error();
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- response = SDIO_GetResponse(SDIO_RESP1);
- validvoltage = (bool) (((response >> 31) == 1) ? 1 : 0);
- count++;
- }
- if (count >= SD_MAX_VOLT_TRIAL)
- {
- errorstatus = SD_INVALID_VOLTRANGE;
- return(errorstatus);
- }
- }
-
- return(SD_OK);
-}
-
-/*******************************************************************************
-* Function Name : SD_PowerOFF
-* Description : Turns the SDIO output signals off.
-* Input : None
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-SD_Error SD_PowerOFF(void)
-{
- SD_Error errorstatus = SD_OK;
-
- /* Set Power State to OFF */
- SDIO_SetPowerState(SDIO_PowerState_OFF);
-
- return(errorstatus);
-}
-
-/*******************************************************************************
-* Function Name : SD_InitializeCards
-* Description : Intialises all cards or single card as the case may be.
-* Card(s) come into standby state.
-* Input : None
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-SD_Error SD_InitializeCards(void)
-{
- SD_Error errorstatus = SD_OK;
- u16 rca = 0x01;
- // u32 count = 0;
-
- if (SDIO_GetPowerState() == SDIO_PowerState_OFF)
- {
- errorstatus = SD_REQUEST_NOT_APPLICABLE;
- return(errorstatus);
- }
-
- if (SDIO_SECURE_DIGITAL_IO_CARD != CardType)
- {
- /* Send CMD2 ALL_SEND_CID */
- SDIO_CmdInitStructure.SDIO_Argument = 0x0;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_ALL_SEND_CID;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Long;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp2Error();
-
- if (SD_OK != errorstatus)
- {
- return(errorstatus);
- }
-
- CID_Tab[0] = SDIO_GetResponse(SDIO_RESP1);
- CID_Tab[1] = SDIO_GetResponse(SDIO_RESP2);
- CID_Tab[2] = SDIO_GetResponse(SDIO_RESP3);
- CID_Tab[3] = SDIO_GetResponse(SDIO_RESP4);
- }
- if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_SECURE_DIGITAL_IO_COMBO_CARD == CardType)
- || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
- {
- /* Send CMD3 SET_REL_ADDR with argument 0 */
- /* SD Card publishes its RCA. */
- SDIO_CmdInitStructure.SDIO_Argument = 0x00;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_REL_ADDR;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp6Error(SDIO_SET_REL_ADDR, &rca);
-
- if (SD_OK != errorstatus)
- {
- return(errorstatus);
- }
- }
- if (SDIO_MULTIMEDIA_CARD == CardType)
- {
- /* Send CMD3 SET_REL_ADDR with argument 0 */
- /* SD Card publishes its RCA. */
- SDIO_CmdInitStructure.SDIO_Argument = (u32)(rca << 16);
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_REL_ADDR;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp2Error();
-
- if (SD_OK != errorstatus)
- {
- return(errorstatus);
- }
- }
-
- if (SDIO_SECURE_DIGITAL_IO_CARD != CardType)
- {
- RCA = rca;
-
- /* Send CMD9 SEND_CSD with argument as card's RCA */
- SDIO_CmdInitStructure.SDIO_Argument = (u32)(rca << 16);
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_CSD;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Long;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp2Error();
-
- if (SD_OK != errorstatus)
- {
- return(errorstatus);
- }
-
- CSD_Tab[0] = SDIO_GetResponse(SDIO_RESP1);
- CSD_Tab[1] = SDIO_GetResponse(SDIO_RESP2);
- CSD_Tab[2] = SDIO_GetResponse(SDIO_RESP3);
- CSD_Tab[3] = SDIO_GetResponse(SDIO_RESP4);
- }
-
- errorstatus = SD_OK; /* All cards get intialized */
-
- return(errorstatus);
-}
-
-/*******************************************************************************
-* Function Name : SD_GetCardInfo
-* Description : Returns information about specific card.
-* Input : cardinfo : pointer to a SD_CardInfo structure
-* that contains all SD card information.
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-SD_Error SD_GetCardInfo(SD_CardInfo *cardinfo)
-{
- SD_Error errorstatus = SD_OK;
- u8 tmp = 0;
-
- cardinfo->CardType = (u8)CardType;
- cardinfo->RCA = (u16)RCA;
-
- /* Byte 0 */
- tmp = (u8)((CSD_Tab[0] & 0xFF000000) >> 24);
- cardinfo->SD_csd.CSDStruct = (tmp & 0xC0) >> 6;
- cardinfo->SD_csd.SysSpecVersion = (tmp & 0x3C) >> 2;
- cardinfo->SD_csd.Reserved1 = tmp & 0x03;
-
- /* Byte 1 */
- tmp = (u8)((CSD_Tab[0] & 0x00FF0000) >> 16);
- cardinfo->SD_csd.TAAC = tmp;
-
- /* Byte 2 */
- tmp = (u8)((CSD_Tab[0] & 0x0000FF00) >> 8);
- cardinfo->SD_csd.NSAC = tmp;
-
- /* Byte 3 */
- tmp = (u8)(CSD_Tab[0] & 0x000000FF);
- cardinfo->SD_csd.MaxBusClkFrec = tmp;
-
- /* Byte 4 */
- tmp = (u8)((CSD_Tab[1] & 0xFF000000) >> 24);
- cardinfo->SD_csd.CardComdClasses = tmp << 4;
-
- /* Byte 5 */
- tmp = (u8)((CSD_Tab[1] & 0x00FF0000) >> 16);
- cardinfo->SD_csd.CardComdClasses |= (tmp & 0xF0) >> 4;
- cardinfo->SD_csd.RdBlockLen = tmp & 0x0F;
-
- /* Byte 6 */
- tmp = (u8)((CSD_Tab[1] & 0x0000FF00) >> 8);
- cardinfo->SD_csd.PartBlockRead = (tmp & 0x80) >> 7;
- cardinfo->SD_csd.WrBlockMisalign = (tmp & 0x40) >> 6;
- cardinfo->SD_csd.RdBlockMisalign = (tmp & 0x20) >> 5;
- cardinfo->SD_csd.DSRImpl = (tmp & 0x10) >> 4;
- cardinfo->SD_csd.Reserved2 = 0; /* Reserved */
-
- if ((CardType == SDIO_STD_CAPACITY_SD_CARD_V1_1) || (CardType == SDIO_STD_CAPACITY_SD_CARD_V2_0))
- {
- cardinfo->SD_csd.DeviceSize = (tmp & 0x03) << 10;
-
- /* Byte 7 */
- tmp = (u8)(CSD_Tab[1] & 0x000000FF);
- cardinfo->SD_csd.DeviceSize |= (tmp) << 2;
-
- /* Byte 8 */
- tmp = (u8)((CSD_Tab[2] & 0xFF000000) >> 24);
-
- cardinfo->SD_csd.DeviceSize |= (tmp & 0xC0) >> 6;
- cardinfo->SD_csd.MaxRdCurrentVDDMin = (tmp & 0x38) >> 3;
- cardinfo->SD_csd.MaxRdCurrentVDDMax = (tmp & 0x07);
-
- /* Byte 9 */
- tmp = (u8)((CSD_Tab[2] & 0x00FF0000) >> 16);
- cardinfo->SD_csd.MaxWrCurrentVDDMin = (tmp & 0xE0) >> 5;
- cardinfo->SD_csd.MaxWrCurrentVDDMax = (tmp & 0x1C) >> 2;
- cardinfo->SD_csd.DeviceSizeMul = (tmp & 0x03) << 1;
-
- /* Byte 10 */
- tmp = (u8)((CSD_Tab[2] & 0x0000FF00) >> 8);
- cardinfo->SD_csd.DeviceSizeMul |= (tmp & 0x80) >> 7;
-
- cardinfo->CardCapacity = (cardinfo->SD_csd.DeviceSize + 1) ;
- cardinfo->CardCapacity *= (1 << (cardinfo->SD_csd.DeviceSizeMul + 2));
- cardinfo->CardBlockSize = 1 << (cardinfo->SD_csd.RdBlockLen);
- cardinfo->CardCapacity *= cardinfo->CardBlockSize;
- }
- else if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
- {
- /* Byte 7 */
- tmp = (u8)(CSD_Tab[1] & 0x000000FF);
- cardinfo->SD_csd.DeviceSize = (tmp & 0x3F) << 16;
-
- /* Byte 8 */
- tmp = (u8)((CSD_Tab[2] & 0xFF000000) >> 24);
-
- cardinfo->SD_csd.DeviceSize |= (tmp << 8);
-
- /* Byte 9 */
- tmp = (u8)((CSD_Tab[2] & 0x00FF0000) >> 16);
-
- cardinfo->SD_csd.DeviceSize |= (tmp);
-
- /* Byte 10 */
- tmp = (u8)((CSD_Tab[2] & 0x0000FF00) >> 8);
-
- cardinfo->CardCapacity = (cardinfo->SD_csd.DeviceSize + 1) * 512 * 1024;
- cardinfo->CardBlockSize = 512;
- }
-
-
- cardinfo->SD_csd.EraseGrSize = (tmp & 0x40) >> 6;
- cardinfo->SD_csd.EraseGrMul = (tmp & 0x3F) << 1;
-
- /* Byte 11 */
- tmp = (u8)(CSD_Tab[2] & 0x000000FF);
- cardinfo->SD_csd.EraseGrMul |= (tmp & 0x80) >> 7;
- cardinfo->SD_csd.WrProtectGrSize = (tmp & 0x7F);
-
- /* Byte 12 */
- tmp = (u8)((CSD_Tab[3] & 0xFF000000) >> 24);
- cardinfo->SD_csd.WrProtectGrEnable = (tmp & 0x80) >> 7;
- cardinfo->SD_csd.ManDeflECC = (tmp & 0x60) >> 5;
- cardinfo->SD_csd.WrSpeedFact = (tmp & 0x1C) >> 2;
- cardinfo->SD_csd.MaxWrBlockLen = (tmp & 0x03) << 2;
-
- /* Byte 13 */
- tmp = (u8)((CSD_Tab[3] & 0x00FF0000) >> 16);
- cardinfo->SD_csd.MaxWrBlockLen |= (tmp & 0xC0) >> 6;
- cardinfo->SD_csd.WriteBlockPaPartial = (tmp & 0x20) >> 5;
- cardinfo->SD_csd.Reserved3 = 0;
- cardinfo->SD_csd.ContentProtectAppli = (tmp & 0x01);
-
- /* Byte 14 */
- tmp = (u8)((CSD_Tab[3] & 0x0000FF00) >> 8);
- cardinfo->SD_csd.FileFormatGrouop = (tmp & 0x80) >> 7;
- cardinfo->SD_csd.CopyFlag = (tmp & 0x40) >> 6;
- cardinfo->SD_csd.PermWrProtect = (tmp & 0x20) >> 5;
- cardinfo->SD_csd.TempWrProtect = (tmp & 0x10) >> 4;
- cardinfo->SD_csd.FileFormat = (tmp & 0x0C) >> 2;
- cardinfo->SD_csd.ECC = (tmp & 0x03);
-
- /* Byte 15 */
- tmp = (u8)(CSD_Tab[3] & 0x000000FF);
- cardinfo->SD_csd.CSD_CRC = (tmp & 0xFE) >> 1;
- cardinfo->SD_csd.Reserved4 = 1;
-
-
- /* Byte 0 */
- tmp = (u8)((CID_Tab[0] & 0xFF000000) >> 24);
- cardinfo->SD_cid.ManufacturerID = tmp;
-
- /* Byte 1 */
- tmp = (u8)((CID_Tab[0] & 0x00FF0000) >> 16);
- cardinfo->SD_cid.OEM_AppliID = tmp << 8;
-
- /* Byte 2 */
- tmp = (u8)((CID_Tab[0] & 0x000000FF00) >> 8);
- cardinfo->SD_cid.OEM_AppliID |= tmp;
-
- /* Byte 3 */
- tmp = (u8)(CID_Tab[0] & 0x000000FF);
- cardinfo->SD_cid.ProdName1 = tmp << 24;
-
- /* Byte 4 */
- tmp = (u8)((CID_Tab[1] & 0xFF000000) >> 24);
- cardinfo->SD_cid.ProdName1 |= tmp << 16;
-
- /* Byte 5 */
- tmp = (u8)((CID_Tab[1] & 0x00FF0000) >> 16);
- cardinfo->SD_cid.ProdName1 |= tmp << 8;
-
- /* Byte 6 */
- tmp = (u8)((CID_Tab[1] & 0x0000FF00) >> 8);
- cardinfo->SD_cid.ProdName1 |= tmp;
-
- /* Byte 7 */
- tmp = (u8)(CID_Tab[1] & 0x000000FF);
- cardinfo->SD_cid.ProdName2 = tmp;
-
- /* Byte 8 */
- tmp = (u8)((CID_Tab[2] & 0xFF000000) >> 24);
- cardinfo->SD_cid.ProdRev = tmp;
-
- /* Byte 9 */
- tmp = (u8)((CID_Tab[2] & 0x00FF0000) >> 16);
- cardinfo->SD_cid.ProdSN = tmp << 24;
-
- /* Byte 10 */
- tmp = (u8)((CID_Tab[2] & 0x0000FF00) >> 8);
- cardinfo->SD_cid.ProdSN |= tmp << 16;
-
- /* Byte 11 */
- tmp = (u8)(CID_Tab[2] & 0x000000FF);
- cardinfo->SD_cid.ProdSN |= tmp << 8;
-
- /* Byte 12 */
- tmp = (u8)((CID_Tab[3] & 0xFF000000) >> 24);
- cardinfo->SD_cid.ProdSN |= tmp;
-
- /* Byte 13 */
- tmp = (u8)((CID_Tab[3] & 0x00FF0000) >> 16);
- cardinfo->SD_cid.Reserved1 |= (tmp & 0xF0) >> 4;
- cardinfo->SD_cid.ManufactDate = (tmp & 0x0F) << 8;
-
- /* Byte 14 */
- tmp = (u8)((CID_Tab[3] & 0x0000FF00) >> 8);
- cardinfo->SD_cid.ManufactDate |= tmp;
-
- /* Byte 15 */
- tmp = (u8)(CID_Tab[3] & 0x000000FF);
- cardinfo->SD_cid.CID_CRC = (tmp & 0xFE) >> 1;
- cardinfo->SD_cid.Reserved2 = 1;
-
- return(errorstatus);
-}
-
-/*******************************************************************************
-* Function Name : SD_EnableWideBusOperation
-* Description : Enables wide bus opeartion for the requeseted card if
-* supported by card.
-* Input : WideMode: Specifies the SD card wide bus mode.
-* This parameter can be one of the following values:
-* - SDIO_BusWide_8b: 8-bit data transfer (Only for MMC)
-* - SDIO_BusWide_4b: 4-bit data transfer
-* - SDIO_BusWide_1b: 1-bit data transfer
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-SD_Error SD_EnableWideBusOperation(u32 WideMode)
-{
- SD_Error errorstatus = SD_OK;
-
- /* MMC Card doesn't support this feature */
- if (SDIO_MULTIMEDIA_CARD == CardType)
- {
- errorstatus = SD_UNSUPPORTED_FEATURE;
- return(errorstatus);
- }
- else if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
- {
- if (SDIO_BusWide_8b == WideMode)
- {
- errorstatus = SD_UNSUPPORTED_FEATURE;
- return(errorstatus);
- }
- else if (SDIO_BusWide_4b == WideMode)
- {
- errorstatus = SDEnWideBus(ENABLE);
-
- if (SD_OK == errorstatus)
- {
- /* Configure the SDIO peripheral */
- SDIO_InitStructure.SDIO_ClockDiv = SDIO_TRANSFER_CLK_DIV;
- SDIO_InitStructure.SDIO_ClockEdge = SDIO_ClockEdge_Rising;
- SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable;
- SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable;
- SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_4b;
- SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable;
- SDIO_Init(&SDIO_InitStructure);
- }
- }
- else
- {
- errorstatus = SDEnWideBus(DISABLE);
-
- if (SD_OK == errorstatus)
- {
- /* Configure the SDIO peripheral */
- SDIO_InitStructure.SDIO_ClockDiv = SDIO_TRANSFER_CLK_DIV;
- SDIO_InitStructure.SDIO_ClockEdge = SDIO_ClockEdge_Rising;
- SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable;
- SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable;
- SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_1b;
- SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable;
- SDIO_Init(&SDIO_InitStructure);
- }
- }
- }
-
- return(errorstatus);
-}
-
-/*******************************************************************************
-* Function Name : SD_SetDeviceMode
-* Description : Sets device mode whether to operate in Polling, Interrupt or
-* DMA mode.
-* Input : Mode: Specifies the Data Transfer mode.
-* This parameter can be one of the following values:
-* - SD_DMA_MODE: Data transfer using DMA.
-* - SD_INTERRUPT_MODE: Data transfer using interrupts.
-* - SD_POLLING_MODE: Data transfer using flags.
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-SD_Error SD_SetDeviceMode(u32 Mode)
-{
- SD_Error errorstatus = SD_OK;
-
- if ((Mode == SD_DMA_MODE) || (Mode == SD_INTERRUPT_MODE) || (Mode == SD_POLLING_MODE))
- {
- DeviceMode = Mode;
- }
- else
- {
- errorstatus = SD_INVALID_PARAMETER;
- }
- return(errorstatus);
-
-}
-
-/*******************************************************************************
-* Function Name : SD_SelectDeselect
-* Description : Selects od Deselects the corresponding card.
-* Input : addr: Address of the Card to be selected.
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-SD_Error SD_SelectDeselect(u32 addr)
-{
- SD_Error errorstatus = SD_OK;
-
- /* Send CMD7 SDIO_SEL_DESEL_CARD */
- SDIO_CmdInitStructure.SDIO_Argument = addr;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEL_DESEL_CARD;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SEL_DESEL_CARD);
-
- return(errorstatus);
-}
-
-/*******************************************************************************
-* Function Name : SD_ReadBlock
-* Description : Allows to read one block from a specified address in a card.
-* Input : - addr: Address from where data are to be read.
-* - readbuff: pointer to the buffer that will contain the
-* received data
-* - blocksize: the SD card Data block size.
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-SD_Error SD_ReadBlock(u32 addr, u32 *readbuff, u16 BlockSize)
-{
- SD_Error errorstatus = SD_OK;
- u32 count = 0, *tempbuff = readbuff;
- u8 power = 0;
-
- if (NULL == readbuff)
- {
- errorstatus = SD_INVALID_PARAMETER;
- return(errorstatus);
- }
-
- TransferError = SD_OK;
- TransferEnd = 0;
- TotalNumberOfBytes = 0;
-
- /* Clear all DPSM configuration */
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
- SDIO_DataInitStructure.SDIO_DataLength = 0;
- SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b;
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable;
- SDIO_DataConfig(&SDIO_DataInitStructure);
- SDIO_DMACmd(DISABLE);
-
- if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
- {
- errorstatus = SD_LOCK_UNLOCK_FAILED;
- return(errorstatus);
- }
-
- if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
- {
- BlockSize = 512;
- addr /= 512;
- }
- if ((BlockSize > 0) && (BlockSize <= 2048) && ((BlockSize & (BlockSize - 1)) == 0))
- {
- power = convert_from_bytes_to_power_of_two(BlockSize);
-
- /* Set Block Size for Card */
- SDIO_CmdInitStructure.SDIO_Argument = (u32) BlockSize;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
-
- if (SD_OK != errorstatus)
- {
- return(errorstatus);
- }
- }
- else
- {
- errorstatus = SD_INVALID_PARAMETER;
- return(errorstatus);
- }
-
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
- SDIO_DataInitStructure.SDIO_DataLength = BlockSize;
- SDIO_DataInitStructure.SDIO_DataBlockSize = (u32) power << 4;
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToSDIO;
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
- SDIO_DataConfig(&SDIO_DataInitStructure);
-
- TotalNumberOfBytes = BlockSize;
- StopCondition = 0;
- DestBuffer = readbuff;
-
- /* Send CMD17 READ_SINGLE_BLOCK */
- SDIO_CmdInitStructure.SDIO_Argument = (u32)addr;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_READ_SINGLE_BLOCK;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_READ_SINGLE_BLOCK);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
- /* In case of single block transfer, no need of stop transfer at all.*/
- if (DeviceMode == SD_POLLING_MODE)
- {
- /* Polling mode */
- while (!(SDIO->STA &(SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DBCKEND | SDIO_FLAG_STBITERR)))
- {
- if (SDIO_GetFlagStatus(SDIO_FLAG_RXFIFOHF) != RESET)
- {
- for (count = 0; count < 8; count++)
- {
- *(tempbuff + count) = SDIO_ReadData();
- }
- tempbuff += 8;
- }
- }
-
- if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
- errorstatus = SD_DATA_TIMEOUT;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
- errorstatus = SD_DATA_CRC_FAIL;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_RXOVERR) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_RXOVERR);
- errorstatus = SD_RX_OVERRUN;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_STBITERR);
- errorstatus = SD_START_BIT_ERR;
- return(errorstatus);
- }
- while (SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET)
- {
- *tempbuff = SDIO_ReadData();
- tempbuff++;
- }
-
- /* Clear all the static flags */
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
- }
- else if (DeviceMode == SD_INTERRUPT_MODE)
- {
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_RXFIFOHF | SDIO_IT_STBITERR, ENABLE);
- while ((TransferEnd == 0) && (TransferError == SD_OK))
- {}
- if (TransferError != SD_OK)
- {
- return(TransferError);
- }
- }
- else if (DeviceMode == SD_DMA_MODE)
- {
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_STBITERR, ENABLE);
- SDIO_DMACmd(ENABLE);
- DMA_RxConfiguration(readbuff, BlockSize);
- while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET)
- {}
- }
- return(errorstatus);
-}
-
-/*******************************************************************************
-* Function Name : SD_ReadMultiBlocks
-* Description : Allows to read blocks from a specified address in a card.
-* Input : - addr: Address from where data are to be read.
-* - readbuff: pointer to the buffer that will contain the
-* received data.
-* - BlockSize: the SD card Data block size.
-* - NumberOfBlocks: number of blocks to be read.
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-SD_Error SD_ReadMultiBlocks(u32 addr, u32 *readbuff, u16 BlockSize, u32 NumberOfBlocks)
-{
- SD_Error errorstatus = SD_OK;
- u32 count = 0, *tempbuff = readbuff;
- u8 power = 0;
-
- if (NULL == readbuff)
- {
- errorstatus = SD_INVALID_PARAMETER;
- return(errorstatus);
- }
-
- TransferError = SD_OK;
- TransferEnd = 0;
- TotalNumberOfBytes = 0;
-
- /* Clear all DPSM configuration */
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
- SDIO_DataInitStructure.SDIO_DataLength = 0;
- SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b;
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable;
- SDIO_DataConfig(&SDIO_DataInitStructure);
- SDIO_DMACmd(DISABLE);
-
- if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
- {
- errorstatus = SD_LOCK_UNLOCK_FAILED;
- return(errorstatus);
- }
-
- if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
- {
- BlockSize = 512;
- addr /= 512;
- }
-
- if ((BlockSize > 0) && (BlockSize <= 2048) && (0 == (BlockSize & (BlockSize - 1))))
- {
- power = convert_from_bytes_to_power_of_two(BlockSize);
-
- /* Set Block Size for Card */
- SDIO_CmdInitStructure.SDIO_Argument = (u32) BlockSize;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
-
- if (SD_OK != errorstatus)
- {
- return(errorstatus);
- }
- }
- else
- {
- errorstatus = SD_INVALID_PARAMETER;
- return(errorstatus);
- }
-
- if (NumberOfBlocks > 1)
- {
- /* Common to all modes */
- if (NumberOfBlocks * BlockSize > SD_MAX_DATA_LENGTH)
- {
- errorstatus = SD_INVALID_PARAMETER;
- return(errorstatus);
- }
-
- TotalNumberOfBytes = NumberOfBlocks * BlockSize;
- StopCondition = 1;
- DestBuffer = readbuff;
-
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
- SDIO_DataInitStructure.SDIO_DataLength = NumberOfBlocks * BlockSize;
- SDIO_DataInitStructure.SDIO_DataBlockSize = (u32) power << 4;
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToSDIO;
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
- SDIO_DataConfig(&SDIO_DataInitStructure);
-
- /* Send CMD18 READ_MULT_BLOCK with argument data address */
- SDIO_CmdInitStructure.SDIO_Argument = (u32)addr;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_READ_MULT_BLOCK;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_READ_MULT_BLOCK);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- if (DeviceMode == SD_POLLING_MODE)
- {
- /* Polling mode */
- while (!(SDIO->STA &(SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DATAEND | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_STBITERR)))
- {
- if (SDIO_GetFlagStatus(SDIO_FLAG_RXFIFOHF) != RESET)
- {
- for (count = 0; count < SD_HALFFIFO; count++)
- {
- *(tempbuff + count) = SDIO_ReadData();
- }
- tempbuff += SD_HALFFIFO;
- }
- }
-
- if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
- errorstatus = SD_DATA_TIMEOUT;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
- errorstatus = SD_DATA_CRC_FAIL;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_RXOVERR) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_RXOVERR);
- errorstatus = SD_RX_OVERRUN;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_STBITERR);
- errorstatus = SD_START_BIT_ERR;
- return(errorstatus);
- }
- while (SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET)
- {
- *tempbuff = SDIO_ReadData();
- tempbuff++;
- }
-
- if (SDIO_GetFlagStatus(SDIO_FLAG_DATAEND) != RESET)
- {
- /* In Case Of SD-CARD Send Command STOP_TRANSMISSION */
- if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType))
- {
- /* Send CMD12 STOP_TRANSMISSION */
- SDIO_CmdInitStructure.SDIO_Argument = 0x0;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_STOP_TRANSMISSION;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_STOP_TRANSMISSION);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
- }
- }
- /* Clear all the static flags */
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
- }
- else if (DeviceMode == SD_INTERRUPT_MODE)
- {
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_RXFIFOHF | SDIO_IT_STBITERR, ENABLE);
- while ((TransferEnd == 0) && (TransferError == SD_OK))
- {}
- if (TransferError != SD_OK)
- {
- return(TransferError);
- }
- }
- else if (DeviceMode == SD_DMA_MODE)
- {
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_STBITERR, ENABLE);
- SDIO_DMACmd(ENABLE);
- DMA_RxConfiguration(readbuff, (NumberOfBlocks * BlockSize));
- while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET)
- {}
- while ((TransferEnd == 0) && (TransferError == SD_OK))
- {}
- if (TransferError != SD_OK)
- {
- return(TransferError);
- }
- }
- }
- return(errorstatus);
-}
-
-/*******************************************************************************
-* Function Name : SD_WriteBlock
-* Description : Allows to write one block starting from a specified address
-* in a card.
-* Input : - addr: Address from where data are to be read.
-* - writebuff: pointer to the buffer that contain the data to be
-* transferred.
-* - BlockSize: the SD card Data block size.
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-SD_Error SD_WriteBlock(u32 addr, u32 *writebuff, u16 BlockSize)
-{
- SD_Error errorstatus = SD_OK;
- u8 power = 0, cardstate = 0;
- u32 timeout = 0, bytestransferred = 0;
- u32 cardstatus = 0, count = 0, restwords = 0;
- u32 *tempbuff = writebuff;
-
- if (writebuff == NULL)
- {
- errorstatus = SD_INVALID_PARAMETER;
- return(errorstatus);
- }
-
- TransferError = SD_OK;
- TransferEnd = 0;
- TotalNumberOfBytes = 0;
-
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
- SDIO_DataInitStructure.SDIO_DataLength = 0;
- SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b;
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable;
- SDIO_DataConfig(&SDIO_DataInitStructure);
- SDIO_DMACmd(DISABLE);
-
- if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
- {
- errorstatus = SD_LOCK_UNLOCK_FAILED;
- return(errorstatus);
- }
-
- if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
- {
- BlockSize = 512;
- addr /= 512;
- }
-
- /* Set the block size, both on controller and card */
- if ((BlockSize > 0) && (BlockSize <= 2048) && ((BlockSize & (BlockSize - 1)) == 0))
- {
- power = convert_from_bytes_to_power_of_two(BlockSize);
-
- SDIO_CmdInitStructure.SDIO_Argument = (u32) BlockSize;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
- }
- else
- {
- errorstatus = SD_INVALID_PARAMETER;
- return(errorstatus);
- }
-
- /* Wait till card is ready for data Added */
- SDIO_CmdInitStructure.SDIO_Argument = (u32) (RCA << 16);
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SEND_STATUS);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- cardstatus = SDIO_GetResponse(SDIO_RESP1);
-
- timeout = SD_DATATIMEOUT;
-
- while (((cardstatus & 0x00000100) == 0) && (timeout > 0))
- {
- timeout--;
- SDIO_CmdInitStructure.SDIO_Argument = (u32) (RCA << 16);
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SEND_STATUS);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
- cardstatus = SDIO_GetResponse(SDIO_RESP1);
- }
-
- if (timeout == 0)
- {
- return(SD_ERROR);
- }
-
- /* Send CMD24 WRITE_SINGLE_BLOCK */
- SDIO_CmdInitStructure.SDIO_Argument = addr;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_WRITE_SINGLE_BLOCK;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_WRITE_SINGLE_BLOCK);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- TotalNumberOfBytes = BlockSize;
- StopCondition = 0;
- SrcBuffer = writebuff;
-
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
- SDIO_DataInitStructure.SDIO_DataLength = BlockSize;
- SDIO_DataInitStructure.SDIO_DataBlockSize = (u32) power << 4;
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
- SDIO_DataConfig(&SDIO_DataInitStructure);
-
- /* In case of single data block transfer no need of stop command at all */
- if (DeviceMode == SD_POLLING_MODE)
- {
- while (!(SDIO->STA & (SDIO_FLAG_DBCKEND | SDIO_FLAG_TXUNDERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_STBITERR)))
- {
- if (SDIO_GetFlagStatus(SDIO_FLAG_TXFIFOHE) != RESET)
- {
- if ((TotalNumberOfBytes - bytestransferred) < 32)
- {
- restwords = ((TotalNumberOfBytes - bytestransferred) % 4 == 0) ? ((TotalNumberOfBytes - bytestransferred) / 4) : (( TotalNumberOfBytes - bytestransferred) / 4 + 1);
-
- for (count = 0; count < restwords; count++, tempbuff++, bytestransferred += 4)
- {
- SDIO_WriteData(*tempbuff);
- }
- }
- else
- {
- for (count = 0; count < 8; count++)
- {
- SDIO_WriteData(*(tempbuff + count));
- }
- tempbuff += 8;
- bytestransferred += 32;
- }
- }
- }
- if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
- errorstatus = SD_DATA_TIMEOUT;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
- errorstatus = SD_DATA_CRC_FAIL;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_TXUNDERR) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_TXUNDERR);
- errorstatus = SD_TX_UNDERRUN;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_STBITERR);
- errorstatus = SD_START_BIT_ERR;
- return(errorstatus);
- }
- }
- else if (DeviceMode == SD_INTERRUPT_MODE)
- {
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_FLAG_TXFIFOHE | SDIO_IT_TXUNDERR | SDIO_IT_STBITERR, ENABLE);
- while ((TransferEnd == 0) && (TransferError == SD_OK))
- {}
- if (TransferError != SD_OK)
- {
- return(TransferError);
- }
- }
- else if (DeviceMode == SD_DMA_MODE)
- {
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_TXUNDERR | SDIO_IT_STBITERR, ENABLE);
- DMA_TxConfiguration(writebuff, BlockSize);
- SDIO_DMACmd(ENABLE);
- while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET)
- {}
- while ((TransferEnd == 0) && (TransferError == SD_OK))
- {}
- if (TransferError != SD_OK)
- {
- return(TransferError);
- }
- }
-
- /* Clear all the static flags */
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
-
- /* Wait till the card is in programming state */
- errorstatus = IsCardProgramming(&cardstate);
-
- while ((errorstatus == SD_OK) && ((cardstate == SD_CARD_PROGRAMMING) || (cardstate == SD_CARD_RECEIVING)))
- {
- errorstatus = IsCardProgramming(&cardstate);
- }
-
- return(errorstatus);
-}
-
-/*******************************************************************************
-* Function Name : SD_WriteMultiBlocks
-* Description : Allows to write blocks starting from a specified address in
-* a card.
-* Input : - addr: Address from where data are to be read.
-* - writebuff: pointer to the buffer that contain the data to be
-* transferred.
-* - BlockSize: the SD card Data block size.
-* - NumberOfBlocks: number of blocks to be written.
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-SD_Error SD_WriteMultiBlocks(u32 addr, u32 *writebuff, u16 BlockSize, u32 NumberOfBlocks)
-{
- SD_Error errorstatus = SD_OK;
- u8 power = 0, cardstate = 0;
- u32 bytestransferred = 0;
- u32 count = 0, restwords = 0;
- u32 *tempbuff = writebuff;
-
- if (writebuff == NULL)
- {
- errorstatus = SD_INVALID_PARAMETER;
- return(errorstatus);
- }
-
- TransferError = SD_OK;
- TransferEnd = 0;
- TotalNumberOfBytes = 0;
-
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
- SDIO_DataInitStructure.SDIO_DataLength = 0;
- SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b;
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable;
- SDIO_DataConfig(&SDIO_DataInitStructure);
- SDIO_DMACmd(DISABLE);
-
- if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
- {
- errorstatus = SD_LOCK_UNLOCK_FAILED;
- return(errorstatus);
- }
-
- if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
- {
- BlockSize = 512;
- addr /= 512;
- }
-
- /* Set the block size, both on controller and card */
- if ((BlockSize > 0) && (BlockSize <= 2048) && ((BlockSize & (BlockSize - 1)) == 0))
- {
- power = convert_from_bytes_to_power_of_two(BlockSize);
-
- SDIO_CmdInitStructure.SDIO_Argument = (u32) BlockSize;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
- }
- else
- {
- errorstatus = SD_INVALID_PARAMETER;
- return(errorstatus);
- }
-
- /* Wait till card is ready for data Added */
- SDIO_CmdInitStructure.SDIO_Argument = (u32) (RCA << 16);
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SEND_STATUS);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- if (NumberOfBlocks > 1)
- {
- /* Common to all modes */
- if (NumberOfBlocks * BlockSize > SD_MAX_DATA_LENGTH)
- {
- errorstatus = SD_INVALID_PARAMETER;
- return(errorstatus);
- }
-
- if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
- {
- /* To improve performance */
- SDIO_CmdInitStructure.SDIO_Argument = (u32) (RCA << 16);
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
-
- errorstatus = CmdResp1Error(SDIO_APP_CMD);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
- /* To improve performance */
- SDIO_CmdInitStructure.SDIO_Argument = (u32)NumberOfBlocks;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCK_COUNT;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SET_BLOCK_COUNT);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
- }
-
- /* Send CMD25 WRITE_MULT_BLOCK with argument data address */
- SDIO_CmdInitStructure.SDIO_Argument = (u32)addr;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_WRITE_MULT_BLOCK;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_WRITE_MULT_BLOCK);
-
- if (SD_OK != errorstatus)
- {
- return(errorstatus);
- }
-
- TotalNumberOfBytes = NumberOfBlocks * BlockSize;
- StopCondition = 1;
- SrcBuffer = writebuff;
-
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
- SDIO_DataInitStructure.SDIO_DataLength = NumberOfBlocks * BlockSize;
- SDIO_DataInitStructure.SDIO_DataBlockSize = (u32) power << 4;
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard;
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
- SDIO_DataConfig(&SDIO_DataInitStructure);
-
- if (DeviceMode == SD_POLLING_MODE)
- {
- while (!(SDIO->STA & (SDIO_FLAG_TXUNDERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DATAEND | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_STBITERR)))
- {
- if (SDIO_GetFlagStatus(SDIO_FLAG_TXFIFOHE) != RESET)
- {
- if (!((TotalNumberOfBytes - bytestransferred) < SD_HALFFIFOBYTES))
- {
- for (count = 0; count < SD_HALFFIFO; count++)
- {
- SDIO_WriteData(*(tempbuff + count));
- }
- tempbuff += SD_HALFFIFO;
- bytestransferred += SD_HALFFIFOBYTES;
- }
- else
- {
- restwords = ((TotalNumberOfBytes - bytestransferred) % 4 == 0) ? ((TotalNumberOfBytes - bytestransferred) / 4) :
- ((TotalNumberOfBytes - bytestransferred) / 4 + 1);
-
- for (count = 0; count < restwords; count++, tempbuff++, bytestransferred += 4)
- {
- SDIO_WriteData(*tempbuff);
- }
- }
- }
- }
-
- if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
- errorstatus = SD_DATA_TIMEOUT;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
- errorstatus = SD_DATA_CRC_FAIL;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_TXUNDERR) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_TXUNDERR);
- errorstatus = SD_TX_UNDERRUN;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_STBITERR);
- errorstatus = SD_START_BIT_ERR;
- return(errorstatus);
- }
-
- if (SDIO_GetFlagStatus(SDIO_FLAG_DATAEND) != RESET)
- {
- if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
- {
- /* Send CMD12 STOP_TRANSMISSION */
- SDIO_CmdInitStructure.SDIO_Argument = 0x0;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_STOP_TRANSMISSION;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
-
- errorstatus = CmdResp1Error(SDIO_STOP_TRANSMISSION);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
- }
- }
- }
- else if (DeviceMode == SD_INTERRUPT_MODE)
- {
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_TXFIFOHE | SDIO_IT_TXUNDERR | SDIO_IT_STBITERR, ENABLE);
- while ((TransferEnd == 0) && (TransferError == SD_OK))
- {}
- if (TransferError != SD_OK)
- {
- return(TransferError);
- }
- }
- else if (DeviceMode == SD_DMA_MODE)
- {
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_TXUNDERR | SDIO_IT_STBITERR, ENABLE);
- SDIO_DMACmd(ENABLE);
- DMA_TxConfiguration(writebuff, (NumberOfBlocks * BlockSize));
- while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET)
- {}
- while ((TransferEnd == 0) && (TransferError == SD_OK))
- {}
- if (TransferError != SD_OK)
- {
- return(TransferError);
- }
- }
- }
- /* Clear all the static flags */
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
-
- /* Wait till the card is in programming state */
- errorstatus = IsCardProgramming(&cardstate);
-
- while ((errorstatus == SD_OK) && ((cardstate == SD_CARD_PROGRAMMING) || (cardstate == SD_CARD_RECEIVING)))
- {
- errorstatus = IsCardProgramming(&cardstate);
- }
-
- return(errorstatus);
-}
-
-/*******************************************************************************
-* Function Name : SD_GetTransferState
-* Description : Gets the cuurent data transfer state.
-* Input : None
-* Output : None
-* Return : SDTransferState: Data Transfer state.
-* This value can be:
-* - SD_NO_TRANSFER: No data transfer is acting
-* - SD_TRANSFER_IN_PROGRESS: Data transfer is acting
-*******************************************************************************/
-SDTransferState SD_GetTransferState(void)
-{
- if (SDIO->STA & (SDIO_FLAG_TXACT | SDIO_FLAG_RXACT))
- {
- return(SD_TRANSFER_IN_PROGRESS);
- }
- else
- {
- return(SD_NO_TRANSFER);
- }
-}
-
-/*******************************************************************************
-* Function Name : SD_StopTransfer
-* Description : Aborts an ongoing data transfer.
-* Input : None
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-SD_Error SD_StopTransfer(void)
-{
- SD_Error errorstatus = SD_OK;
-
- /* Send CMD12 STOP_TRANSMISSION */
- SDIO_CmdInitStructure.SDIO_Argument = 0x0;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_STOP_TRANSMISSION;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_STOP_TRANSMISSION);
-
- return(errorstatus);
-}
-
-/*******************************************************************************
-* Function Name : SD_Erase
-* Description : Allows to erase memory area specified for the given card.
-* Input : - startaddr: the start address.
-* - endaddr: the end address.
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-SD_Error SD_Erase(u32 startaddr, u32 endaddr)
-{
- SD_Error errorstatus = SD_OK;
- u32 delay = 0;
- vu32 maxdelay = 0;
- u8 cardstate = 0;
-
- /* Check if the card coomnd class supports erase command */
- if (((CSD_Tab[1] >> 20) & SD_CCCC_ERASE) == 0)
- {
- errorstatus = SD_REQUEST_NOT_APPLICABLE;
- return(errorstatus);
- }
-
- maxdelay = 72000 / ((SDIO->CLKCR & 0xFF) + 2);
-
- if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
- {
- errorstatus = SD_LOCK_UNLOCK_FAILED;
- return(errorstatus);
- }
-
- if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
- {
- startaddr /= 512;
- endaddr /= 512;
- }
-
- /* According to sd-card spec 1.0 ERASE_GROUP_START (CMD32) and erase_group_end(CMD33) */
- if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
- {
- /* Send CMD32 SD_ERASE_GRP_START with argument as addr */
- SDIO_CmdInitStructure.SDIO_Argument = startaddr;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_ERASE_GRP_START;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SD_ERASE_GRP_START);
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- /* Send CMD33 SD_ERASE_GRP_END with argument as addr */
- SDIO_CmdInitStructure.SDIO_Argument = endaddr;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_ERASE_GRP_END;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SD_ERASE_GRP_END);
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
- }
-
- /* Send CMD38 ERASE */
- SDIO_CmdInitStructure.SDIO_Argument = 0;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_ERASE;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_ERASE);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- for (delay = 0; delay < maxdelay; delay++)
- {}
-
- /* Wait till the card is in programming state */
- errorstatus = IsCardProgramming(&cardstate);
-
- while ((errorstatus == SD_OK) && ((SD_CARD_PROGRAMMING == cardstate) || (SD_CARD_RECEIVING == cardstate)))
- {
- errorstatus = IsCardProgramming(&cardstate);
- }
-
- return(errorstatus);
-}
-
-/*******************************************************************************
-* Function Name : SD_SendStatus
-* Description : Returns the current card's status.
-* Input : pcardstatus: pointer to the buffer that will contain the SD
-* card status (Card Status register).
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-SD_Error SD_SendStatus(u32 *pcardstatus)
-{
- SD_Error errorstatus = SD_OK;
-
- if (pcardstatus == NULL)
- {
- errorstatus = SD_INVALID_PARAMETER;
- return(errorstatus);
- }
-
- SDIO_CmdInitStructure.SDIO_Argument = (u32) RCA << 16;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
-
- errorstatus = CmdResp1Error(SDIO_SEND_STATUS);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- *pcardstatus = SDIO_GetResponse(SDIO_RESP1);
-
- return(errorstatus);
-}
-
-/*******************************************************************************
-* Function Name : SD_SendSDStatus
-* Description : Returns the current SD card's status.
-* Input : psdstatus: pointer to the buffer that will contain the SD
-* card status (SD Status register).
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-SD_Error SD_SendSDStatus(u32 *psdstatus)
-{
- SD_Error errorstatus = SD_OK;
- u32 count = 0;
-
- if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
- {
- errorstatus = SD_LOCK_UNLOCK_FAILED;
- return(errorstatus);
- }
-
- /* Set block size for card if it is not equal to current block size for card. */
- SDIO_CmdInitStructure.SDIO_Argument = 64;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- /* CMD55 */
- SDIO_CmdInitStructure.SDIO_Argument = (u32) RCA << 16;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
- errorstatus = CmdResp1Error(SDIO_APP_CMD);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
- SDIO_DataInitStructure.SDIO_DataLength = 64;
- SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_64b;
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToSDIO;
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
- SDIO_DataConfig(&SDIO_DataInitStructure);
-
-
- /* Send ACMD13 SD_APP_STAUS with argument as card's RCA.*/
- SDIO_CmdInitStructure.SDIO_Argument = 0;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_APP_STAUS;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
- errorstatus = CmdResp1Error(SDIO_SD_APP_STAUS);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- while (!(SDIO->STA &(SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DBCKEND | SDIO_FLAG_STBITERR)))
- {
- if (SDIO_GetFlagStatus(SDIO_FLAG_RXFIFOHF) != RESET)
- {
- for (count = 0; count < 8; count++)
- {
- *(psdstatus + count) = SDIO_ReadData();
- }
- psdstatus += 8;
- }
- }
-
- if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
- errorstatus = SD_DATA_TIMEOUT;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
- errorstatus = SD_DATA_CRC_FAIL;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_RXOVERR) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_RXOVERR);
- errorstatus = SD_RX_OVERRUN;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_STBITERR);
- errorstatus = SD_START_BIT_ERR;
- return(errorstatus);
- }
-
- while (SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET)
- {
- *psdstatus = SDIO_ReadData();
- psdstatus++;
- }
-
- /* Clear all the static status flags*/
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
- psdstatus -= 16;
- for (count = 0; count < 16; count++)
- {
- psdstatus[count] = ((psdstatus[count] & SD_0TO7BITS) << 24) |((psdstatus[count] & SD_8TO15BITS) << 8) |
- ((psdstatus[count] & SD_16TO23BITS) >> 8) |((psdstatus[count] & SD_24TO31BITS) >> 24);
- }
- return(errorstatus);
-}
-
-/*******************************************************************************
-* Function Name : SD_ProcessIRQSrc
-* Description : Allows to process all the interrupts that are high.
-* Input : None
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-SD_Error SD_ProcessIRQSrc(void)
-{
- u32 count = 0, restwords = 0;
-
- if (DeviceMode == SD_INTERRUPT_MODE)
- {
- if (SDIO_GetITStatus(SDIO_IT_RXFIFOHF) != RESET)
- {
- for (count = 0; count < SD_HALFFIFO; count++)
- {
- *(DestBuffer + count) = SDIO_ReadData();
- }
- DestBuffer += SD_HALFFIFO;
- NumberOfBytes += SD_HALFFIFOBYTES;
- }
- else if (SDIO_GetITStatus(SDIO_IT_TXFIFOHE) != RESET)
- {
- if ((TotalNumberOfBytes - NumberOfBytes) < SD_HALFFIFOBYTES)
- {
- restwords = ((TotalNumberOfBytes - NumberOfBytes) % 4 == 0) ?
- ((TotalNumberOfBytes - NumberOfBytes) / 4) :
- ((TotalNumberOfBytes - NumberOfBytes) / 4 + 1);
-
- for (count = 0; count < restwords; count++, SrcBuffer++, NumberOfBytes += 4)
- {
- SDIO_WriteData(*SrcBuffer);
- }
- }
- else
- {
- for (count = 0; count < SD_HALFFIFO; count++)
- {
- SDIO_WriteData(*(SrcBuffer + count));
- }
-
- SrcBuffer += SD_HALFFIFO;
- NumberOfBytes += SD_HALFFIFOBYTES;
- }
- }
- }
-
- if (SDIO_GetITStatus(SDIO_IT_DATAEND) != RESET)
- {
- if (DeviceMode != SD_DMA_MODE)
- {
- while ((SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET) && (NumberOfBytes < TotalNumberOfBytes))
- {
- *DestBuffer = SDIO_ReadData();
- DestBuffer++;
- NumberOfBytes += 4;
- }
- }
-
- if (StopCondition == 1)
- {
- TransferError = SD_StopTransfer();
- }
- else
- {
- TransferError = SD_OK;
- }
- SDIO_ClearITPendingBit(SDIO_IT_DATAEND);
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
- SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
- SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
- TransferEnd = 1;
- NumberOfBytes = 0;
- return(TransferError);
- }
-
- if (SDIO_GetITStatus(SDIO_IT_DCRCFAIL) != RESET)
- {
- SDIO_ClearITPendingBit(SDIO_IT_DCRCFAIL);
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
- SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
- SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
- NumberOfBytes = 0;
- TransferError = SD_DATA_CRC_FAIL;
- return(SD_DATA_CRC_FAIL);
- }
-
- if (SDIO_GetITStatus(SDIO_IT_DTIMEOUT) != RESET)
- {
- SDIO_ClearITPendingBit(SDIO_IT_DTIMEOUT);
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
- SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
- SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
- NumberOfBytes = 0;
- TransferError = SD_DATA_TIMEOUT;
- return(SD_DATA_TIMEOUT);
- }
-
- if (SDIO_GetITStatus(SDIO_IT_RXOVERR) != RESET)
- {
- SDIO_ClearITPendingBit(SDIO_IT_RXOVERR);
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
- SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
- SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
- NumberOfBytes = 0;
- TransferError = SD_RX_OVERRUN;
- return(SD_RX_OVERRUN);
- }
-
- if (SDIO_GetITStatus(SDIO_IT_TXUNDERR) != RESET)
- {
- SDIO_ClearITPendingBit(SDIO_IT_TXUNDERR);
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
- SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
- SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
- NumberOfBytes = 0;
- TransferError = SD_TX_UNDERRUN;
- return(SD_TX_UNDERRUN);
- }
-
- if (SDIO_GetITStatus(SDIO_IT_STBITERR) != RESET)
- {
- SDIO_ClearITPendingBit(SDIO_IT_STBITERR);
- SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND |
- SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR |
- SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE);
- NumberOfBytes = 0;
- TransferError = SD_START_BIT_ERR;
- return(SD_START_BIT_ERR);
- }
-
- return(SD_OK);
-}
-
-/*******************************************************************************
-* Function Name : CmdError
-* Description : Checks for error conditions for CMD0.
-* Input : None
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-static SD_Error CmdError(void)
-{
- SD_Error errorstatus = SD_OK;
- u32 timeout;
-
- timeout = SDIO_CMD0TIMEOUT; /* 10000 */
-
- while ((timeout > 0) && (SDIO_GetFlagStatus(SDIO_FLAG_CMDSENT) == RESET))
- {
- timeout--;
- }
-
- if (timeout == 0)
- {
- errorstatus = SD_CMD_RSP_TIMEOUT;
- return(errorstatus);
- }
-
- /* Clear all the static flags */
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
-
- return(errorstatus);
-}
-
-/*******************************************************************************
-* Function Name : CmdResp7Error
-* Description : Checks for error conditions for R7.
-* response.
-* Input : None
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-static SD_Error CmdResp7Error(void)
-{
- SD_Error errorstatus = SD_OK;
- u32 status;
- u32 timeout = SDIO_CMD0TIMEOUT;
-
- status = SDIO->STA;
-
- while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CMDREND | SDIO_FLAG_CTIMEOUT)) && (timeout > 0))
- {
- timeout--;
- status = SDIO->STA;
- }
-
- if ((timeout == 0) || (status & SDIO_FLAG_CTIMEOUT))
- {
- /* Card is not V2.0 complient or card does not support the set voltage range */
- errorstatus = SD_CMD_RSP_TIMEOUT;
- SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
- return(errorstatus);
- }
-
- if (status & SDIO_FLAG_CMDREND)
- {
- /* Card is SD V2.0 compliant */
- errorstatus = SD_OK;
- SDIO_ClearFlag(SDIO_FLAG_CMDREND);
- return(errorstatus);
- }
- return(errorstatus);
-}
-
-/*******************************************************************************
-* Function Name : CmdResp1Error
-* Description : Checks for error conditions for R1.
-* response
-* Input : cmd: The sent command index.
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-static SD_Error CmdResp1Error(u8 cmd)
-{
- SD_Error errorstatus = SD_OK;
- u32 status;
- u32 response_r1;
-
- status = SDIO->STA;
-
- while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CMDREND | SDIO_FLAG_CTIMEOUT)))
- {
- status = SDIO->STA;
- }
-
- if (status & SDIO_FLAG_CTIMEOUT)
- {
- errorstatus = SD_CMD_RSP_TIMEOUT;
- SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
- return(errorstatus);
- }
- else if (status & SDIO_FLAG_CCRCFAIL)
- {
- errorstatus = SD_CMD_CRC_FAIL;
- SDIO_ClearFlag(SDIO_FLAG_CCRCFAIL);
- return(errorstatus);
- }
-
- /* Check response received is of desired command */
- if (SDIO_GetCommandResponse() != cmd)
- {
- errorstatus = SD_ILLEGAL_CMD;
- return(errorstatus);
- }
-
- /* Clear all the static flags */
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
-
- /* We have received response, retrieve it for analysis */
- response_r1 = SDIO_GetResponse(SDIO_RESP1);
-
- if ((response_r1 & SD_OCR_ERRORBITS) == SD_ALLZERO)
- {
- return(errorstatus);
- }
-
- if (response_r1 & SD_OCR_ADDR_OUT_OF_RANGE)
- {
- return(SD_ADDR_OUT_OF_RANGE);
- }
-
- if (response_r1 & SD_OCR_ADDR_MISALIGNED)
- {
- return(SD_ADDR_MISALIGNED);
- }
-
- if (response_r1 & SD_OCR_BLOCK_LEN_ERR)
- {
- return(SD_BLOCK_LEN_ERR);
- }
-
- if (response_r1 & SD_OCR_ERASE_SEQ_ERR)
- {
- return(SD_ERASE_SEQ_ERR);
- }
-
- if (response_r1 & SD_OCR_BAD_ERASE_PARAM)
- {
- return(SD_BAD_ERASE_PARAM);
- }
-
- if (response_r1 & SD_OCR_WRITE_PROT_VIOLATION)
- {
- return(SD_WRITE_PROT_VIOLATION);
- }
-
- if (response_r1 & SD_OCR_LOCK_UNLOCK_FAILED)
- {
- return(SD_LOCK_UNLOCK_FAILED);
- }
-
- if (response_r1 & SD_OCR_COM_CRC_FAILED)
- {
- return(SD_COM_CRC_FAILED);
- }
-
- if (response_r1 & SD_OCR_ILLEGAL_CMD)
- {
- return(SD_ILLEGAL_CMD);
- }
-
- if (response_r1 & SD_OCR_CARD_ECC_FAILED)
- {
- return(SD_CARD_ECC_FAILED);
- }
-
- if (response_r1 & SD_OCR_CC_ERROR)
- {
- return(SD_CC_ERROR);
- }
-
- if (response_r1 & SD_OCR_GENERAL_UNKNOWN_ERROR)
- {
- return(SD_GENERAL_UNKNOWN_ERROR);
- }
-
- if (response_r1 & SD_OCR_STREAM_READ_UNDERRUN)
- {
- return(SD_STREAM_READ_UNDERRUN);
- }
-
- if (response_r1 & SD_OCR_STREAM_WRITE_OVERRUN)
- {
- return(SD_STREAM_WRITE_OVERRUN);
- }
-
- if (response_r1 & SD_OCR_CID_CSD_OVERWRIETE)
- {
- return(SD_CID_CSD_OVERWRITE);
- }
-
- if (response_r1 & SD_OCR_WP_ERASE_SKIP)
- {
- return(SD_WP_ERASE_SKIP);
- }
-
- if (response_r1 & SD_OCR_CARD_ECC_DISABLED)
- {
- return(SD_CARD_ECC_DISABLED);
- }
-
- if (response_r1 & SD_OCR_ERASE_RESET)
- {
- return(SD_ERASE_RESET);
- }
-
- if (response_r1 & SD_OCR_AKE_SEQ_ERROR)
- {
- return(SD_AKE_SEQ_ERROR);
- }
- return(errorstatus);
-}
-
-/*******************************************************************************
-* Function Name : CmdResp3Error
-* Description : Checks for error conditions for R3 (OCR).
-* response.
-* Input : None
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-static SD_Error CmdResp3Error(void)
-{
- SD_Error errorstatus = SD_OK;
- u32 status;
-
- status = SDIO->STA;
-
- while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CMDREND | SDIO_FLAG_CTIMEOUT)))
- {
- status = SDIO->STA;
- }
-
- if (status & SDIO_FLAG_CTIMEOUT)
- {
- errorstatus = SD_CMD_RSP_TIMEOUT;
- SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
- return(errorstatus);
- }
- /* Clear all the static flags */
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
- return(errorstatus);
-}
-
-/*******************************************************************************
-* Function Name : CmdResp2Error
-* Description : Checks for error conditions for R2 (CID or CSD).
-* response.
-* Input : None
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-static SD_Error CmdResp2Error(void)
-{
- SD_Error errorstatus = SD_OK;
- u32 status;
-
- status = SDIO->STA;
-
- while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CTIMEOUT | SDIO_FLAG_CMDREND)))
- {
- status = SDIO->STA;
- }
-
- if (status & SDIO_FLAG_CTIMEOUT)
- {
- errorstatus = SD_CMD_RSP_TIMEOUT;
- SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
- return(errorstatus);
- }
- else if (status & SDIO_FLAG_CCRCFAIL)
- {
- errorstatus = SD_CMD_CRC_FAIL;
- SDIO_ClearFlag(SDIO_FLAG_CCRCFAIL);
- return(errorstatus);
- }
-
- /* Clear all the static flags */
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
-
- return(errorstatus);
-}
-
-/*******************************************************************************
-* Function Name : CmdResp6Error
-* Description : Checks for error conditions for R6 (RCA).
-* response.
-* Input : - cmd: The sent command index.
-* - prca: pointer to the variable that will contain the SD
-* card relative address RCA.
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-static SD_Error CmdResp6Error(u8 cmd, u16 *prca)
-{
- SD_Error errorstatus = SD_OK;
- u32 status;
- u32 response_r1;
-
- status = SDIO->STA;
-
- while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CTIMEOUT | SDIO_FLAG_CMDREND)))
- {
- status = SDIO->STA;
- }
-
- if (status & SDIO_FLAG_CTIMEOUT)
- {
- errorstatus = SD_CMD_RSP_TIMEOUT;
- SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
- return(errorstatus);
- }
- else if (status & SDIO_FLAG_CCRCFAIL)
- {
- errorstatus = SD_CMD_CRC_FAIL;
- SDIO_ClearFlag(SDIO_FLAG_CCRCFAIL);
- return(errorstatus);
- }
-
- /* Check response received is of desired command */
- if (SDIO_GetCommandResponse() != cmd)
- {
- errorstatus = SD_ILLEGAL_CMD;
- return(errorstatus);
- }
-
- /* Clear all the static flags */
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
-
- /* We have received response, retrieve it. */
- response_r1 = SDIO_GetResponse(SDIO_RESP1);
-
- if (SD_ALLZERO == (response_r1 & (SD_R6_GENERAL_UNKNOWN_ERROR | SD_R6_ILLEGAL_CMD | SD_R6_COM_CRC_FAILED)))
- {
- *prca = (u16) (response_r1 >> 16);
- return(errorstatus);
- }
-
- if (response_r1 & SD_R6_GENERAL_UNKNOWN_ERROR)
- {
- return(SD_GENERAL_UNKNOWN_ERROR);
- }
-
- if (response_r1 & SD_R6_ILLEGAL_CMD)
- {
- return(SD_ILLEGAL_CMD);
- }
-
- if (response_r1 & SD_R6_COM_CRC_FAILED)
- {
- return(SD_COM_CRC_FAILED);
- }
-
- return(errorstatus);
-}
-
-/*******************************************************************************
-* Function Name : SDEnWideBus
-* Description : Enables or disables the SDIO wide bus mode.
-* Input : NewState: new state of the SDIO wide bus mode.
-* This parameter can be: ENABLE or DISABLE.
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-static SD_Error SDEnWideBus(FunctionalState NewState)
-{
- SD_Error errorstatus = SD_OK;
-
- u32 scr[2] = {0, 0};
-
- if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED)
- {
- errorstatus = SD_LOCK_UNLOCK_FAILED;
- return(errorstatus);
- }
-
- /* Get SCR Register */
- errorstatus = FindSCR(RCA, scr);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- /* If wide bus operation to be enabled */
- if (NewState == ENABLE)
- {
- /* If requested card supports wide bus operation */
- if ((scr[1] & SD_WIDE_BUS_SUPPORT) != SD_ALLZERO)
- {
- /* Send CMD55 APP_CMD with argument as card's RCA.*/
- SDIO_CmdInitStructure.SDIO_Argument = (u32) RCA << 16;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_APP_CMD);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- /* Send ACMD6 APP_CMD with argument as 2 for wide bus mode */
- SDIO_CmdInitStructure.SDIO_Argument = 0x2;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_SD_SET_BUSWIDTH;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_APP_SD_SET_BUSWIDTH);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
- return(errorstatus);
- }
- else
- {
- errorstatus = SD_REQUEST_NOT_APPLICABLE;
- return(errorstatus);
- }
- } /* If wide bus operation to be disabled */
- else
- {
- /* If requested card supports 1 bit mode operation */
- if ((scr[1] & SD_SINGLE_BUS_SUPPORT) != SD_ALLZERO)
- {
- /* Send CMD55 APP_CMD with argument as card's RCA.*/
- SDIO_CmdInitStructure.SDIO_Argument = (u32) RCA << 16;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
-
- errorstatus = CmdResp1Error(SDIO_APP_CMD);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- /* Send ACMD6 APP_CMD with argument as 2 for wide bus mode */
- SDIO_CmdInitStructure.SDIO_Argument = 0x00;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_SD_SET_BUSWIDTH;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_APP_SD_SET_BUSWIDTH);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- return(errorstatus);
- }
- else
- {
- errorstatus = SD_REQUEST_NOT_APPLICABLE;
- return(errorstatus);
- }
- }
-}
-
-/*******************************************************************************
-* Function Name : IsCardProgramming
-* Description : Checks if the SD card is in programming state.
-* Input : pstatus: pointer to the variable that will contain the SD
-* card state.
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-static SD_Error IsCardProgramming(u8 *pstatus)
-{
- SD_Error errorstatus = SD_OK;
- vu32 respR1 = 0, status = 0;
-
- SDIO_CmdInitStructure.SDIO_Argument = (u32) RCA << 16;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- status = SDIO->STA;
- while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CMDREND | SDIO_FLAG_CTIMEOUT)))
- {
- status = SDIO->STA;
- }
-
- if (status & SDIO_FLAG_CTIMEOUT)
- {
- errorstatus = SD_CMD_RSP_TIMEOUT;
- SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT);
- return(errorstatus);
- }
- else if (status & SDIO_FLAG_CCRCFAIL)
- {
- errorstatus = SD_CMD_CRC_FAIL;
- SDIO_ClearFlag(SDIO_FLAG_CCRCFAIL);
- return(errorstatus);
- }
-
- status = (u32)SDIO_GetCommandResponse();
-
- /* Check response received is of desired command */
- if (status != SDIO_SEND_STATUS)
- {
- errorstatus = SD_ILLEGAL_CMD;
- return(errorstatus);
- }
-
- /* Clear all the static flags */
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
-
-
- /* We have received response, retrieve it for analysis */
- respR1 = SDIO_GetResponse(SDIO_RESP1);
-
- /* Find out card status */
- *pstatus = (u8) ((respR1 >> 9) & 0x0000000F);
-
- if ((respR1 & SD_OCR_ERRORBITS) == SD_ALLZERO)
- {
- return(errorstatus);
- }
-
- if (respR1 & SD_OCR_ADDR_OUT_OF_RANGE)
- {
- return(SD_ADDR_OUT_OF_RANGE);
- }
-
- if (respR1 & SD_OCR_ADDR_MISALIGNED)
- {
- return(SD_ADDR_MISALIGNED);
- }
-
- if (respR1 & SD_OCR_BLOCK_LEN_ERR)
- {
- return(SD_BLOCK_LEN_ERR);
- }
-
- if (respR1 & SD_OCR_ERASE_SEQ_ERR)
- {
- return(SD_ERASE_SEQ_ERR);
- }
-
- if (respR1 & SD_OCR_BAD_ERASE_PARAM)
- {
- return(SD_BAD_ERASE_PARAM);
- }
-
- if (respR1 & SD_OCR_WRITE_PROT_VIOLATION)
- {
- return(SD_WRITE_PROT_VIOLATION);
- }
-
- if (respR1 & SD_OCR_LOCK_UNLOCK_FAILED)
- {
- return(SD_LOCK_UNLOCK_FAILED);
- }
-
- if (respR1 & SD_OCR_COM_CRC_FAILED)
- {
- return(SD_COM_CRC_FAILED);
- }
-
- if (respR1 & SD_OCR_ILLEGAL_CMD)
- {
- return(SD_ILLEGAL_CMD);
- }
-
- if (respR1 & SD_OCR_CARD_ECC_FAILED)
- {
- return(SD_CARD_ECC_FAILED);
- }
-
- if (respR1 & SD_OCR_CC_ERROR)
- {
- return(SD_CC_ERROR);
- }
-
- if (respR1 & SD_OCR_GENERAL_UNKNOWN_ERROR)
- {
- return(SD_GENERAL_UNKNOWN_ERROR);
- }
-
- if (respR1 & SD_OCR_STREAM_READ_UNDERRUN)
- {
- return(SD_STREAM_READ_UNDERRUN);
- }
-
- if (respR1 & SD_OCR_STREAM_WRITE_OVERRUN)
- {
- return(SD_STREAM_WRITE_OVERRUN);
- }
-
- if (respR1 & SD_OCR_CID_CSD_OVERWRIETE)
- {
- return(SD_CID_CSD_OVERWRITE);
- }
-
- if (respR1 & SD_OCR_WP_ERASE_SKIP)
- {
- return(SD_WP_ERASE_SKIP);
- }
-
- if (respR1 & SD_OCR_CARD_ECC_DISABLED)
- {
- return(SD_CARD_ECC_DISABLED);
- }
-
- if (respR1 & SD_OCR_ERASE_RESET)
- {
- return(SD_ERASE_RESET);
- }
-
- if (respR1 & SD_OCR_AKE_SEQ_ERROR)
- {
- return(SD_AKE_SEQ_ERROR);
- }
-
- return(errorstatus);
-}
-
-/*******************************************************************************
-* Function Name : FindSCR
-* Description : Find the SD card SCR register value.
-* Input : - rca: selected card address.
-* - pscr: pointer to the buffer that will contain the SCR value.
-* Output : None
-* Return : SD_Error: SD Card Error code.
-*******************************************************************************/
-static SD_Error FindSCR(u16 rca, u32 *pscr)
-{
- u32 index = 0;
- SD_Error errorstatus = SD_OK;
- u32 tempscr[2] = {0, 0};
-
- /* Set Block Size To 8 Bytes */
- /* Send CMD55 APP_CMD with argument as card's RCA */
- SDIO_CmdInitStructure.SDIO_Argument = (u32)8;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- /* Send CMD55 APP_CMD with argument as card's RCA */
- SDIO_CmdInitStructure.SDIO_Argument = (u32) RCA << 16;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_APP_CMD);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
- SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT;
- SDIO_DataInitStructure.SDIO_DataLength = 8;
- SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_8b;
- SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToSDIO;
- SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block;
- SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable;
- SDIO_DataConfig(&SDIO_DataInitStructure);
-
-
- /* Send ACMD51 SD_APP_SEND_SCR with argument as 0 */
- SDIO_CmdInitStructure.SDIO_Argument = 0x0;
- SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_APP_SEND_SCR;
- SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
- SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
- SDIO_SendCommand(&SDIO_CmdInitStructure);
-
- errorstatus = CmdResp1Error(SDIO_SD_APP_SEND_SCR);
-
- if (errorstatus != SD_OK)
- {
- return(errorstatus);
- }
-
- while (!(SDIO->STA & (SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DBCKEND | SDIO_FLAG_STBITERR)))
- {
- if (SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET)
- {
- *(tempscr + index) = SDIO_ReadData();
- index++;
- }
- }
-
- if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT);
- errorstatus = SD_DATA_TIMEOUT;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL);
- errorstatus = SD_DATA_CRC_FAIL;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_RXOVERR) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_RXOVERR);
- errorstatus = SD_RX_OVERRUN;
- return(errorstatus);
- }
- else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET)
- {
- SDIO_ClearFlag(SDIO_FLAG_STBITERR);
- errorstatus = SD_START_BIT_ERR;
- return(errorstatus);
- }
-
- /* Clear all the static flags */
- SDIO_ClearFlag(SDIO_STATIC_FLAGS);
-
- *(pscr + 1) = ((tempscr[0] & SD_0TO7BITS) << 24) | ((tempscr[0] & SD_8TO15BITS) << 8) | ((tempscr[0] & SD_16TO23BITS) >> 8) | ((tempscr[0] & SD_24TO31BITS) >> 24);
-
- *(pscr) = ((tempscr[1] & SD_0TO7BITS) << 24) | ((tempscr[1] & SD_8TO15BITS) << 8) | ((tempscr[1] & SD_16TO23BITS) >> 8) | ((tempscr[1] & SD_24TO31BITS) >> 24);
-
- return(errorstatus);
-}
-
-/*******************************************************************************
-* Function Name : convert_from_bytes_to_power_of_two
-* Description : Converts the number of bytes in power of two and returns the
-* power.
-* Input : NumberOfBytes: number of bytes.
-* Output : None
-* Return : None
-*******************************************************************************/
-static u8 convert_from_bytes_to_power_of_two(u16 NumberOfBytes)
-{
- u8 count = 0;
-
- while (NumberOfBytes != 1)
- {
- NumberOfBytes >>= 1;
- count++;
- }
- return(count);
-}
-
-/*******************************************************************************
-* Function Name : GPIO_Configuration
-* Description : Configures the SDIO Corresponding GPIO Ports
-* Input : None
-* Output : None
-* Return : None
-*******************************************************************************/
-static void GPIO_Configuration(void)
-{
- GPIO_InitTypeDef GPIO_InitStructure;
-
- /* GPIOC and GPIOD Periph clock enable */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD, ENABLE);
-
- /* Configure PC.08, PC.09, PC.10, PC.11, PC.12 pin: D0, D1, D2, D3, CLK pin */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_12;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
- GPIO_Init(GPIOC, &GPIO_InitStructure);
-
- /* Configure PD.02 CMD line */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
- GPIO_Init(GPIOD, &GPIO_InitStructure);
-}
-
-/*******************************************************************************
-* Function Name : DMA_TxConfiguration
-* Description : Configures the DMA2 Channel4 for SDIO Tx request.
-* Input : - BufferSRC: pointer to the source buffer
-* - BufferSize: buffer size
-* Output : None
-* Return : None
-*******************************************************************************/
-static void DMA_TxConfiguration(u32 *BufferSRC, u32 BufferSize)
-{
- DMA_InitTypeDef DMA_InitStructure;
-
- DMA_ClearFlag(DMA2_FLAG_TC4 | DMA2_FLAG_TE4 | DMA2_FLAG_HT4 | DMA2_FLAG_GL4);
-
- /* DMA2 Channel4 disable */
- DMA_Cmd(DMA2_Channel4, DISABLE);
-
- /* DMA2 Channel4 Config */
- DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)SDIO_FIFO_Address;
- DMA_InitStructure.DMA_MemoryBaseAddr = (u32)BufferSRC;
- DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
- DMA_InitStructure.DMA_BufferSize = BufferSize / 4;
- DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
- DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
- DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
- DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
- DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
- DMA_InitStructure.DMA_Priority = DMA_Priority_High;
- DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
- DMA_Init(DMA2_Channel4, &DMA_InitStructure);
-
- /* DMA2 Channel4 enable */
- DMA_Cmd(DMA2_Channel4, ENABLE);
-}
-
-/*******************************************************************************
-* Function Name : DMA_RxConfiguration
-* Description : Configures the DMA2 Channel4 for SDIO Rx request.
-* Input : - BufferDST: pointer to the destination buffer
-* - BufferSize: buffer size
-* Output : None
-* Return : None
-*******************************************************************************/
-static void DMA_RxConfiguration(u32 *BufferDST, u32 BufferSize)
-{
- DMA_InitTypeDef DMA_InitStructure;
-
- DMA_ClearFlag(DMA2_FLAG_TC4 | DMA2_FLAG_TE4 | DMA2_FLAG_HT4 | DMA2_FLAG_GL4);
-
- /* DMA2 Channel4 disable */
- DMA_Cmd(DMA2_Channel4, DISABLE);
-
- /* DMA2 Channel4 Config */
- DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)SDIO_FIFO_Address;
- DMA_InitStructure.DMA_MemoryBaseAddr = (u32)BufferDST;
- DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
- DMA_InitStructure.DMA_BufferSize = BufferSize / 4;
- DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
- DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
- DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
- DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
- DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
- DMA_InitStructure.DMA_Priority = DMA_Priority_High;
- DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
- DMA_Init(DMA2_Channel4, &DMA_InitStructure);
-
- /* DMA2 Channel4 enable */
- DMA_Cmd(DMA2_Channel4, ENABLE);
-}
-
-/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/
-
-/*
- * RT-Thread SD Card Driver
- * 20090417 Bernard
- */
-#include <rtthread.h>
-#include <dfs_fs.h>
-
-struct rt_device sdcard_device;
-SD_CardInfo SDCardInfo;
-struct dfs_partition part;
-
-/* RT-Thread Device Driver Interface */
-static rt_err_t rt_sdcard_init(rt_device_t dev)
-{
- NVIC_InitTypeDef NVIC_InitStructure;
-
- NVIC_InitStructure.NVIC_IRQChannel = SDIO_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
-
- return RT_EOK;
-}
-
-static rt_err_t rt_sdcard_open(rt_device_t dev, rt_uint16_t oflag)
-{
-
- return RT_EOK;
-}
-
-static rt_err_t rt_sdcard_close(rt_device_t dev)
-{
- return RT_EOK;
-}
-
-/* set sector size to 512 */
-#define SECTOR_SIZE 512
-static rt_size_t rt_sdcard_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size)
-{
- SD_Error status;
- rt_uint32_t i;
-
- // rt_kprintf("read: 0x%x, size %d\n", pos, size);
-
- /* read all sectors */
- for (i = 0; i < size / SECTOR_SIZE; i ++)
- {
- status = SD_ReadBlock((part.offset + i)* SECTOR_SIZE + pos,
- (rt_uint32_t*)((rt_uint8_t*)buffer + i * SECTOR_SIZE),
- SECTOR_SIZE);
- if (status != SD_OK)
- {
- rt_kprintf("sd card read failed\n");
- return 0;
- }
- }
-
- if (status == SD_OK) return size;
-
- rt_kprintf("read failed: %d\n", status);
- return 0;
-}
-
-static rt_size_t rt_sdcard_write (rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size)
-{
- SD_Error status;
- rt_uint32_t i;
-
- // rt_kprintf("write: 0x%x, size %d\n", pos, size);
-
- /* read all sectors */
- for (i = 0; i < size / SECTOR_SIZE; i ++)
- {
- status = SD_WriteBlock((part.offset + i)* SECTOR_SIZE + pos,
- (rt_uint32_t*)((rt_uint8_t*)buffer + i * SECTOR_SIZE),
- SECTOR_SIZE);
- if (status != SD_OK)
- {
- rt_kprintf("sd card write failed\n");
- return 0;
- }
- }
-
- if (status == SD_OK) return size;
-
- rt_kprintf("write failed: %d\n", status);
- return 0;
-}
-
-static rt_err_t rt_sdcard_control(rt_device_t dev, rt_uint8_t cmd, void *args)
-{
- return RT_EOK;
-}
-
-void rt_hw_sdcard_init()
-{
- if ( SD_Init() == SD_OK )
- {
- SD_Error status;
- rt_uint8_t *sector;
-
- SD_EnableWideBusOperation(SDIO_BusWide_4b);
-
- status = SD_GetCardInfo(&SDCardInfo);
- if (status != SD_OK) goto __return;
-
- status = SD_SelectDeselect((u32) (SDCardInfo.RCA << 16));
- if (status != SD_OK) goto __return;
-
- SD_SetDeviceMode(SD_DMA_MODE);
-
- /* get the first sector to read partition table */
- sector = (rt_uint8_t*) rt_malloc (512);
- if (sector == RT_NULL)
- {
- rt_kprintf("allocate partition sector buffer failed\n");
- return;
- }
- status = SD_ReadBlock(0, (rt_uint32_t*)sector, 512);
- if (status == SD_OK)
- {
- /* get the first partition */
- if (dfs_filesystem_get_partition(&part, sector, 0) != 0)
- {
- /* there is no partition */
- part.offset = 0;
- part.size = 0;
- }
- }
- else
- {
- /* there is no partition table */
- part.offset = 0;
- part.size = 0;
- }
-
- /* release sector buffer */
- rt_free(sector);
-
- /* register sdcard device */
- sdcard_device.init = rt_sdcard_init;
- sdcard_device.open = rt_sdcard_open;
- sdcard_device.close = rt_sdcard_close;
- sdcard_device.read = rt_sdcard_read;
- sdcard_device.write = rt_sdcard_write;
- sdcard_device.control = rt_sdcard_control;
-
- /* no private */
- sdcard_device.private = RT_NULL;
-
- rt_device_register(&sdcard_device, "sd0",
- RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_REMOVABLE | RT_DEVICE_FLAG_STANDALONE);
-
- return;
- }
-
-__return:
- rt_kprintf("sdcard init failed\n");
-}
+/** + ****************************************************************************** + * @file SDIO/sdcard.c + * @author MCD Application Team + * @version V3.1.0 + * @date 06/19/2009 + * @brief This file provides all the SD Card driver firmware functions. + ****************************************************************************** + * @copy + * + * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS + * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE + * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY + * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING + * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE + * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. + * + * <h2><center>© COPYRIGHT 2009 STMicroelectronics</center></h2> + */ + +/* Includes ------------------------------------------------------------------*/ +#include "sdcard.h" +#include <stm32f10x_dma.h> +#include <stm32f10x_sdio.h> + +/** @addtogroup STM32F10x_StdPeriph_Examples + * @{ + */ + +/** @addtogroup SDIO_Example + * @{ + */ + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +#define NULL 0 +#define SDIO_STATIC_FLAGS ((uint32_t)0x000005FF) +#define SDIO_CMD0TIMEOUT ((uint32_t)0x00002710) +#define SDIO_FIFO_Address ((uint32_t)0x40018080) + +/* Mask for errors Card Status R1 (OCR Register) */ +#define SD_OCR_ADDR_OUT_OF_RANGE ((uint32_t)0x80000000) +#define SD_OCR_ADDR_MISALIGNED ((uint32_t)0x40000000) +#define SD_OCR_BLOCK_LEN_ERR ((uint32_t)0x20000000) +#define SD_OCR_ERASE_SEQ_ERR ((uint32_t)0x10000000) +#define SD_OCR_BAD_ERASE_PARAM ((uint32_t)0x08000000) +#define SD_OCR_WRITE_PROT_VIOLATION ((uint32_t)0x04000000) +#define SD_OCR_LOCK_UNLOCK_FAILED ((uint32_t)0x01000000) +#define SD_OCR_COM_CRC_FAILED ((uint32_t)0x00800000) +#define SD_OCR_ILLEGAL_CMD ((uint32_t)0x00400000) +#define SD_OCR_CARD_ECC_FAILED ((uint32_t)0x00200000) +#define SD_OCR_CC_ERROR ((uint32_t)0x00100000) +#define SD_OCR_GENERAL_UNKNOWN_ERROR ((uint32_t)0x00080000) +#define SD_OCR_STREAM_READ_UNDERRUN ((uint32_t)0x00040000) +#define SD_OCR_STREAM_WRITE_OVERRUN ((uint32_t)0x00020000) +#define SD_OCR_CID_CSD_OVERWRIETE ((uint32_t)0x00010000) +#define SD_OCR_WP_ERASE_SKIP ((uint32_t)0x00008000) +#define SD_OCR_CARD_ECC_DISABLED ((uint32_t)0x00004000) +#define SD_OCR_ERASE_RESET ((uint32_t)0x00002000) +#define SD_OCR_AKE_SEQ_ERROR ((uint32_t)0x00000008) +#define SD_OCR_ERRORBITS ((uint32_t)0xFDFFE008) + +/* Masks for R6 Response */ +#define SD_R6_GENERAL_UNKNOWN_ERROR ((uint32_t)0x00002000) +#define SD_R6_ILLEGAL_CMD ((uint32_t)0x00004000) +#define SD_R6_COM_CRC_FAILED ((uint32_t)0x00008000) + +#define SD_VOLTAGE_WINDOW_SD ((uint32_t)0x80100000) +#define SD_HIGH_CAPACITY ((uint32_t)0x40000000) +#define SD_STD_CAPACITY ((uint32_t)0x00000000) +#define SD_CHECK_PATTERN ((uint32_t)0x000001AA) +#define SD_VOLTAGE_WINDOW_MMC ((uint32_t)0x80FF8000) + +#define SD_MAX_VOLT_TRIAL ((uint32_t)0x0000FFFF) +#define SD_ALLZERO ((uint32_t)0x00000000) + +#define SD_WIDE_BUS_SUPPORT ((uint32_t)0x00040000) +#define SD_SINGLE_BUS_SUPPORT ((uint32_t)0x00010000) +#define SD_CARD_LOCKED ((uint32_t)0x02000000) +#define SD_CARD_PROGRAMMING ((uint32_t)0x00000007) +#define SD_CARD_RECEIVING ((uint32_t)0x00000006) +#define SD_DATATIMEOUT ((uint32_t)0x000FFFFF) +#define SD_0TO7BITS ((uint32_t)0x000000FF) +#define SD_8TO15BITS ((uint32_t)0x0000FF00) +#define SD_16TO23BITS ((uint32_t)0x00FF0000) +#define SD_24TO31BITS ((uint32_t)0xFF000000) +#define SD_MAX_DATA_LENGTH ((uint32_t)0x01FFFFFF) + +#define SD_HALFFIFO ((uint32_t)0x00000008) +#define SD_HALFFIFOBYTES ((uint32_t)0x00000020) + +/* Command Class Supported */ +#define SD_CCCC_LOCK_UNLOCK ((uint32_t)0x00000080) +#define SD_CCCC_WRITE_PROT ((uint32_t)0x00000040) +#define SD_CCCC_ERASE ((uint32_t)0x00000020) + +/* Following commands are SD Card Specific commands. + SDIO_APP_CMD should be sent before sending these commands. */ +#define SDIO_SEND_IF_COND ((uint32_t)0x00000008) + +#define SDIO_INIT_CLK_DIV ((uint8_t)0xB2) +#define SDIO_TRANSFER_CLK_DIV ((uint8_t)0x1) + +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +static uint32_t CardType = SDIO_STD_CAPACITY_SD_CARD_V1_1; +static uint32_t CSD_Tab[4], CID_Tab[4], RCA = 0; +static uint32_t DeviceMode = SD_POLLING_MODE; +static uint32_t TotalNumberOfBytes = 0, StopCondition = 0; +uint32_t *SrcBuffer, *DestBuffer; +volatile SD_Error TransferError = SD_OK; +__IO uint32_t TransferEnd = 0; +__IO uint32_t NumberOfBytes = 0; +SDIO_InitTypeDef SDIO_InitStructure; +SDIO_CmdInitTypeDef SDIO_CmdInitStructure; +SDIO_DataInitTypeDef SDIO_DataInitStructure; + +/* Private function prototypes -----------------------------------------------*/ +static SD_Error CmdError(void); +static SD_Error CmdResp1Error(uint8_t cmd); +static SD_Error CmdResp7Error(void); +static SD_Error CmdResp3Error(void); +static SD_Error CmdResp2Error(void); +static SD_Error CmdResp6Error(uint8_t cmd, uint16_t *prca); +static SD_Error SDEnWideBus(FunctionalState NewState); +static SD_Error IsCardProgramming(uint8_t *pstatus); +static SD_Error FindSCR(uint16_t rca, uint32_t *pscr); +static uint8_t convert_from_bytes_to_power_of_two(uint16_t NumberOfBytes); +static void GPIO_Configuration(void); +static void DMA_TxConfiguration(uint32_t *BufferSRC, uint32_t BufferSize); +static void DMA_RxConfiguration(uint32_t *BufferDST, uint32_t BufferSize); + +/* Private functions ---------------------------------------------------------*/ + +/** + * @brief Initializes the SD Card and put it into StandBy State (Ready + * for data transfer). + * @param None + * @retval SD_Error: SD Card Error code. + */ +SD_Error SD_Init(void) +{ + SD_Error errorstatus = SD_OK; + + /* Configure SDIO interface GPIO */ + GPIO_Configuration(); + + /* Enable the SDIO AHB Clock */ + RCC_AHBPeriphClockCmd(RCC_AHBPeriph_SDIO, ENABLE); + + /* Enable the DMA2 Clock */ + RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA2, ENABLE); + + SDIO_DeInit(); + + errorstatus = SD_PowerON(); + + if (errorstatus != SD_OK) + { + /* CMD Response TimeOut (wait for CMDSENT flag) */ + return(errorstatus); + } + + errorstatus = SD_InitializeCards(); + + if (errorstatus != SD_OK) + { + /* CMD Response TimeOut (wait for CMDSENT flag) */ + return(errorstatus); + } + + /* Configure the SDIO peripheral */ + /* HCLK = 72 MHz, SDIOCLK = 72 MHz, SDIO_CK = HCLK/(2 + 1) = 24 MHz */ + SDIO_InitStructure.SDIO_ClockDiv = SDIO_TRANSFER_CLK_DIV; + SDIO_InitStructure.SDIO_ClockEdge = SDIO_ClockEdge_Rising; + SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable; + SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable; + SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_1b; + SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable; + SDIO_Init(&SDIO_InitStructure); + + return(errorstatus); +} + +/** + * @brief Enquires cards about their operating voltage and configures + * clock controls. + * @param None + * @retval SD_Error: SD Card Error code. + */ +SD_Error SD_PowerON(void) +{ + SD_Error errorstatus = SD_OK; + uint32_t response = 0, count = 0; + bool validvoltage = FALSE; + uint32_t SDType = SD_STD_CAPACITY; + + /* Power ON Sequence -------------------------------------------------------*/ + /* Configure the SDIO peripheral */ + SDIO_InitStructure.SDIO_ClockDiv = SDIO_INIT_CLK_DIV; /* HCLK = 72MHz, SDIOCLK = 72MHz, SDIO_CK = HCLK/(178 + 2) = 400 KHz */ + SDIO_InitStructure.SDIO_ClockEdge = SDIO_ClockEdge_Rising; + SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable; + SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable; + SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_1b; + SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable; + SDIO_Init(&SDIO_InitStructure); + + /* Set Power State to ON */ + SDIO_SetPowerState(SDIO_PowerState_ON); + + /* Enable SDIO Clock */ + SDIO_ClockCmd(ENABLE); + + /* CMD0: GO_IDLE_STATE -------------------------------------------------------*/ + /* No CMD response required */ + SDIO_CmdInitStructure.SDIO_Argument = 0x0; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_GO_IDLE_STATE; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_No; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdError(); + + if (errorstatus != SD_OK) + { + /* CMD Response TimeOut (wait for CMDSENT flag) */ + return(errorstatus); + } + + /* CMD8: SEND_IF_COND --------------------------------------------------------*/ + /* Send CMD8 to verify SD card interface operating condition */ + /* Argument: - [31:12]: Reserved (shall be set to '0') + - [11:8]: Supply Voltage (VHS) 0x1 (Range: 2.7-3.6 V) + - [7:0]: Check Pattern (recommended 0xAA) */ + /* CMD Response: R7 */ + SDIO_CmdInitStructure.SDIO_Argument = SD_CHECK_PATTERN; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_IF_COND; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp7Error(); + + if (errorstatus == SD_OK) + { + CardType = SDIO_STD_CAPACITY_SD_CARD_V2_0; /* SD Card 2.0 */ + SDType = SD_HIGH_CAPACITY; + } + else + { + /* CMD55 */ + SDIO_CmdInitStructure.SDIO_Argument = 0x00; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + errorstatus = CmdResp1Error(SDIO_APP_CMD); + } + /* CMD55 */ + SDIO_CmdInitStructure.SDIO_Argument = 0x00; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + errorstatus = CmdResp1Error(SDIO_APP_CMD); + + /* If errorstatus is Command TimeOut, it is a MMC card */ + /* If errorstatus is SD_OK it is a SD card: SD card 2.0 (voltage range mismatch) + or SD card 1.x */ + if (errorstatus == SD_OK) + { + /* SD CARD */ + /* Send ACMD41 SD_APP_OP_COND with Argument 0x80100000 */ + while ((!validvoltage) && (count < SD_MAX_VOLT_TRIAL)) + { + + /* SEND CMD55 APP_CMD with RCA as 0 */ + SDIO_CmdInitStructure.SDIO_Argument = 0x00; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_APP_CMD); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + SDIO_CmdInitStructure.SDIO_Argument = SD_VOLTAGE_WINDOW_SD | SDType; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_APP_OP_COND; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp3Error(); + if (errorstatus != SD_OK) + { + return(errorstatus); + } + + response = SDIO_GetResponse(SDIO_RESP1); + validvoltage = (bool) (((response >> 31) == 1) ? 1 : 0); + count++; + } + if (count >= SD_MAX_VOLT_TRIAL) + { + errorstatus = SD_INVALID_VOLTRANGE; + return(errorstatus); + } + + if (response &= SD_HIGH_CAPACITY) + { + CardType = SDIO_HIGH_CAPACITY_SD_CARD; + } + + }/* else MMC Card */ + else + { + CardType = SDIO_MULTIMEDIA_CARD; + + /* Send CMD1 SEND_OP_COND with Argument 0x80FF8000 */ + while ((!validvoltage) && (count < SD_MAX_VOLT_TRIAL)) + { + + /* SEND CMD55 APP_CMD with RCA as 0 */ + SDIO_CmdInitStructure.SDIO_Argument = SD_VOLTAGE_WINDOW_MMC; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_OP_COND; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp3Error(); + if (errorstatus != SD_OK) + { + return(errorstatus); + } + + response = SDIO_GetResponse(SDIO_RESP1); + validvoltage = (bool) (((response >> 31) == 1) ? 1 : 0); + count++; + } + if (count >= SD_MAX_VOLT_TRIAL) + { + errorstatus = SD_INVALID_VOLTRANGE; + return(errorstatus); + } + } + + return(SD_OK); +} + +/** + * @brief Turns the SDIO output signals off. + * @param None + * @retval SD_Error: SD Card Error code. + */ +SD_Error SD_PowerOFF(void) +{ + SD_Error errorstatus = SD_OK; + + /* Set Power State to OFF */ + SDIO_SetPowerState(SDIO_PowerState_OFF); + + return(errorstatus); +} + +/** + * @brief Intialises all cards or single card as the case may be. + * Card(s) come into standby state. + * @param None + * @retval SD_Error: SD Card Error code. + */ +SD_Error SD_InitializeCards(void) +{ + SD_Error errorstatus = SD_OK; + uint16_t rca = 0x01; + + if (SDIO_GetPowerState() == SDIO_PowerState_OFF) + { + errorstatus = SD_REQUEST_NOT_APPLICABLE; + return(errorstatus); + } + + if (SDIO_SECURE_DIGITAL_IO_CARD != CardType) + { + /* Send CMD2 ALL_SEND_CID */ + SDIO_CmdInitStructure.SDIO_Argument = 0x0; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_ALL_SEND_CID; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Long; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp2Error(); + + if (SD_OK != errorstatus) + { + return(errorstatus); + } + + CID_Tab[0] = SDIO_GetResponse(SDIO_RESP1); + CID_Tab[1] = SDIO_GetResponse(SDIO_RESP2); + CID_Tab[2] = SDIO_GetResponse(SDIO_RESP3); + CID_Tab[3] = SDIO_GetResponse(SDIO_RESP4); + } + if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_SECURE_DIGITAL_IO_COMBO_CARD == CardType) + || (SDIO_HIGH_CAPACITY_SD_CARD == CardType)) + { + /* Send CMD3 SET_REL_ADDR with argument 0 */ + /* SD Card publishes its RCA. */ + SDIO_CmdInitStructure.SDIO_Argument = 0x00; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_REL_ADDR; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp6Error(SDIO_SET_REL_ADDR, &rca); + + if (SD_OK != errorstatus) + { + return(errorstatus); + } + } + if (SDIO_MULTIMEDIA_CARD == CardType) + { + /* Send CMD3 SET_REL_ADDR with argument 0 */ + /* SD Card publishes its RCA. */ + SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)(rca << 16); + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_REL_ADDR; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp2Error(); + + if (SD_OK != errorstatus) + { + return(errorstatus); + } + } + + if (SDIO_SECURE_DIGITAL_IO_CARD != CardType) + { + RCA = rca; + + /* Send CMD9 SEND_CSD with argument as card's RCA */ + SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)(rca << 16); + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_CSD; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Long; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp2Error(); + + if (SD_OK != errorstatus) + { + return(errorstatus); + } + + CSD_Tab[0] = SDIO_GetResponse(SDIO_RESP1); + CSD_Tab[1] = SDIO_GetResponse(SDIO_RESP2); + CSD_Tab[2] = SDIO_GetResponse(SDIO_RESP3); + CSD_Tab[3] = SDIO_GetResponse(SDIO_RESP4); + } + + errorstatus = SD_OK; /* All cards get intialized */ + + return(errorstatus); +} + +/** + * @brief Returns information about specific card. + * @param cardinfo : pointer to a SD_CardInfo structure + * that contains all SD card information. + * @retval SD_Error: SD Card Error code. + */ +SD_Error SD_GetCardInfo(SD_CardInfo *cardinfo) +{ + SD_Error errorstatus = SD_OK; + uint8_t tmp = 0; + + cardinfo->CardType = (uint8_t)CardType; + cardinfo->RCA = (uint16_t)RCA; + + /* Byte 0 */ + tmp = (uint8_t)((CSD_Tab[0] & 0xFF000000) >> 24); + cardinfo->SD_csd.CSDStruct = (tmp & 0xC0) >> 6; + cardinfo->SD_csd.SysSpecVersion = (tmp & 0x3C) >> 2; + cardinfo->SD_csd.Reserved1 = tmp & 0x03; + + /* Byte 1 */ + tmp = (uint8_t)((CSD_Tab[0] & 0x00FF0000) >> 16); + cardinfo->SD_csd.TAAC = tmp; + + /* Byte 2 */ + tmp = (uint8_t)((CSD_Tab[0] & 0x0000FF00) >> 8); + cardinfo->SD_csd.NSAC = tmp; + + /* Byte 3 */ + tmp = (uint8_t)(CSD_Tab[0] & 0x000000FF); + cardinfo->SD_csd.MaxBusClkFrec = tmp; + + /* Byte 4 */ + tmp = (uint8_t)((CSD_Tab[1] & 0xFF000000) >> 24); + cardinfo->SD_csd.CardComdClasses = tmp << 4; + + /* Byte 5 */ + tmp = (uint8_t)((CSD_Tab[1] & 0x00FF0000) >> 16); + cardinfo->SD_csd.CardComdClasses |= (tmp & 0xF0) >> 4; + cardinfo->SD_csd.RdBlockLen = tmp & 0x0F; + + /* Byte 6 */ + tmp = (uint8_t)((CSD_Tab[1] & 0x0000FF00) >> 8); + cardinfo->SD_csd.PartBlockRead = (tmp & 0x80) >> 7; + cardinfo->SD_csd.WrBlockMisalign = (tmp & 0x40) >> 6; + cardinfo->SD_csd.RdBlockMisalign = (tmp & 0x20) >> 5; + cardinfo->SD_csd.DSRImpl = (tmp & 0x10) >> 4; + cardinfo->SD_csd.Reserved2 = 0; /* Reserved */ + + if ((CardType == SDIO_STD_CAPACITY_SD_CARD_V1_1) || (CardType == SDIO_STD_CAPACITY_SD_CARD_V2_0)) + { + cardinfo->SD_csd.DeviceSize = (tmp & 0x03) << 10; + + /* Byte 7 */ + tmp = (uint8_t)(CSD_Tab[1] & 0x000000FF); + cardinfo->SD_csd.DeviceSize |= (tmp) << 2; + + /* Byte 8 */ + tmp = (uint8_t)((CSD_Tab[2] & 0xFF000000) >> 24); + cardinfo->SD_csd.DeviceSize |= (tmp & 0xC0) >> 6; + + cardinfo->SD_csd.MaxRdCurrentVDDMin = (tmp & 0x38) >> 3; + cardinfo->SD_csd.MaxRdCurrentVDDMax = (tmp & 0x07); + + /* Byte 9 */ + tmp = (uint8_t)((CSD_Tab[2] & 0x00FF0000) >> 16); + cardinfo->SD_csd.MaxWrCurrentVDDMin = (tmp & 0xE0) >> 5; + cardinfo->SD_csd.MaxWrCurrentVDDMax = (tmp & 0x1C) >> 2; + cardinfo->SD_csd.DeviceSizeMul = (tmp & 0x03) << 1; + /* Byte 10 */ + tmp = (uint8_t)((CSD_Tab[2] & 0x0000FF00) >> 8); + cardinfo->SD_csd.DeviceSizeMul |= (tmp & 0x80) >> 7; + + cardinfo->CardCapacity = (cardinfo->SD_csd.DeviceSize + 1) ; + cardinfo->CardCapacity *= (1 << (cardinfo->SD_csd.DeviceSizeMul + 2)); + cardinfo->CardBlockSize = 1 << (cardinfo->SD_csd.RdBlockLen); + cardinfo->CardCapacity *= cardinfo->CardBlockSize; + } + else if (CardType == SDIO_HIGH_CAPACITY_SD_CARD) + { + /* Byte 7 */ + tmp = (uint8_t)(CSD_Tab[1] & 0x000000FF); + cardinfo->SD_csd.DeviceSize = (tmp & 0x3F) << 16; + + /* Byte 8 */ + tmp = (uint8_t)((CSD_Tab[2] & 0xFF000000) >> 24); + + cardinfo->SD_csd.DeviceSize |= (tmp << 8); + + /* Byte 9 */ + tmp = (uint8_t)((CSD_Tab[2] & 0x00FF0000) >> 16); + + cardinfo->SD_csd.DeviceSize |= (tmp); + + /* Byte 10 */ + tmp = (uint8_t)((CSD_Tab[2] & 0x0000FF00) >> 8); + + cardinfo->CardCapacity = (cardinfo->SD_csd.DeviceSize + 1) * 512 * 1024; + cardinfo->CardBlockSize = 512; + } + + + cardinfo->SD_csd.EraseGrSize = (tmp & 0x40) >> 6; + cardinfo->SD_csd.EraseGrMul = (tmp & 0x3F) << 1; + + /* Byte 11 */ + tmp = (uint8_t)(CSD_Tab[2] & 0x000000FF); + cardinfo->SD_csd.EraseGrMul |= (tmp & 0x80) >> 7; + cardinfo->SD_csd.WrProtectGrSize = (tmp & 0x7F); + + /* Byte 12 */ + tmp = (uint8_t)((CSD_Tab[3] & 0xFF000000) >> 24); + cardinfo->SD_csd.WrProtectGrEnable = (tmp & 0x80) >> 7; + cardinfo->SD_csd.ManDeflECC = (tmp & 0x60) >> 5; + cardinfo->SD_csd.WrSpeedFact = (tmp & 0x1C) >> 2; + cardinfo->SD_csd.MaxWrBlockLen = (tmp & 0x03) << 2; + + /* Byte 13 */ + tmp = (uint8_t)((CSD_Tab[3] & 0x00FF0000) >> 16); + cardinfo->SD_csd.MaxWrBlockLen |= (tmp & 0xC0) >> 6; + cardinfo->SD_csd.WriteBlockPaPartial = (tmp & 0x20) >> 5; + cardinfo->SD_csd.Reserved3 = 0; + cardinfo->SD_csd.ContentProtectAppli = (tmp & 0x01); + + /* Byte 14 */ + tmp = (uint8_t)((CSD_Tab[3] & 0x0000FF00) >> 8); + cardinfo->SD_csd.FileFormatGrouop = (tmp & 0x80) >> 7; + cardinfo->SD_csd.CopyFlag = (tmp & 0x40) >> 6; + cardinfo->SD_csd.PermWrProtect = (tmp & 0x20) >> 5; + cardinfo->SD_csd.TempWrProtect = (tmp & 0x10) >> 4; + cardinfo->SD_csd.FileFormat = (tmp & 0x0C) >> 2; + cardinfo->SD_csd.ECC = (tmp & 0x03); + + /* Byte 15 */ + tmp = (uint8_t)(CSD_Tab[3] & 0x000000FF); + cardinfo->SD_csd.CSD_CRC = (tmp & 0xFE) >> 1; + cardinfo->SD_csd.Reserved4 = 1; + + + /* Byte 0 */ + tmp = (uint8_t)((CID_Tab[0] & 0xFF000000) >> 24); + cardinfo->SD_cid.ManufacturerID = tmp; + + /* Byte 1 */ + tmp = (uint8_t)((CID_Tab[0] & 0x00FF0000) >> 16); + cardinfo->SD_cid.OEM_AppliID = tmp << 8; + + /* Byte 2 */ + tmp = (uint8_t)((CID_Tab[0] & 0x000000FF00) >> 8); + cardinfo->SD_cid.OEM_AppliID |= tmp; + + /* Byte 3 */ + tmp = (uint8_t)(CID_Tab[0] & 0x000000FF); + cardinfo->SD_cid.ProdName1 = tmp << 24; + + /* Byte 4 */ + tmp = (uint8_t)((CID_Tab[1] & 0xFF000000) >> 24); + cardinfo->SD_cid.ProdName1 |= tmp << 16; + + /* Byte 5 */ + tmp = (uint8_t)((CID_Tab[1] & 0x00FF0000) >> 16); + cardinfo->SD_cid.ProdName1 |= tmp << 8; + + /* Byte 6 */ + tmp = (uint8_t)((CID_Tab[1] & 0x0000FF00) >> 8); + cardinfo->SD_cid.ProdName1 |= tmp; + + /* Byte 7 */ + tmp = (uint8_t)(CID_Tab[1] & 0x000000FF); + cardinfo->SD_cid.ProdName2 = tmp; + + /* Byte 8 */ + tmp = (uint8_t)((CID_Tab[2] & 0xFF000000) >> 24); + cardinfo->SD_cid.ProdRev = tmp; + + /* Byte 9 */ + tmp = (uint8_t)((CID_Tab[2] & 0x00FF0000) >> 16); + cardinfo->SD_cid.ProdSN = tmp << 24; + + /* Byte 10 */ + tmp = (uint8_t)((CID_Tab[2] & 0x0000FF00) >> 8); + cardinfo->SD_cid.ProdSN |= tmp << 16; + + /* Byte 11 */ + tmp = (uint8_t)(CID_Tab[2] & 0x000000FF); + cardinfo->SD_cid.ProdSN |= tmp << 8; + + /* Byte 12 */ + tmp = (uint8_t)((CID_Tab[3] & 0xFF000000) >> 24); + cardinfo->SD_cid.ProdSN |= tmp; + + /* Byte 13 */ + tmp = (uint8_t)((CID_Tab[3] & 0x00FF0000) >> 16); + cardinfo->SD_cid.Reserved1 |= (tmp & 0xF0) >> 4; + cardinfo->SD_cid.ManufactDate = (tmp & 0x0F) << 8; + + /* Byte 14 */ + tmp = (uint8_t)((CID_Tab[3] & 0x0000FF00) >> 8); + cardinfo->SD_cid.ManufactDate |= tmp; + + /* Byte 15 */ + tmp = (uint8_t)(CID_Tab[3] & 0x000000FF); + cardinfo->SD_cid.CID_CRC = (tmp & 0xFE) >> 1; + cardinfo->SD_cid.Reserved2 = 1; + + return(errorstatus); +} + +/** + * @brief Enables wide bus opeartion for the requeseted card if + * supported by card. + * @param WideMode: Specifies the SD card wide bus mode. + * This parameter can be one of the following values: + * @arg SDIO_BusWide_8b: 8-bit data transfer (Only for MMC) + * @arg SDIO_BusWide_4b: 4-bit data transfer + * @arg SDIO_BusWide_1b: 1-bit data transfer + * @retval SD_Error: SD Card Error code. + */ +SD_Error SD_EnableWideBusOperation(uint32_t WideMode) +{ + SD_Error errorstatus = SD_OK; + + /* MMC Card doesn't support this feature */ + if (SDIO_MULTIMEDIA_CARD == CardType) + { + errorstatus = SD_UNSUPPORTED_FEATURE; + return(errorstatus); + } + else if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType)) + { + if (SDIO_BusWide_8b == WideMode) + { + errorstatus = SD_UNSUPPORTED_FEATURE; + return(errorstatus); + } + else if (SDIO_BusWide_4b == WideMode) + { + errorstatus = SDEnWideBus(ENABLE); + + if (SD_OK == errorstatus) + { + /* Configure the SDIO peripheral */ + SDIO_InitStructure.SDIO_ClockDiv = SDIO_TRANSFER_CLK_DIV; + SDIO_InitStructure.SDIO_ClockEdge = SDIO_ClockEdge_Rising; + SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable; + SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable; + SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_4b; + SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable; + SDIO_Init(&SDIO_InitStructure); + } + } + else + { + errorstatus = SDEnWideBus(DISABLE); + + if (SD_OK == errorstatus) + { + /* Configure the SDIO peripheral */ + SDIO_InitStructure.SDIO_ClockDiv = SDIO_TRANSFER_CLK_DIV; + SDIO_InitStructure.SDIO_ClockEdge = SDIO_ClockEdge_Rising; + SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable; + SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable; + SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_1b; + SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable; + SDIO_Init(&SDIO_InitStructure); + } + } + } + + return(errorstatus); +} + +/** + * @brief Sets device mode whether to operate in Polling, Interrupt or + * DMA mode. + * @param Mode: Specifies the Data Transfer mode. + * This parameter can be one of the following values: + * @arg SD_DMA_MODE: Data transfer using DMA. + * @arg SD_INTERRUPT_MODE: Data transfer using interrupts. + * @arg SD_POLLING_MODE: Data transfer using flags. + * @retval SD_Error: SD Card Error code. + */ +SD_Error SD_SetDeviceMode(uint32_t Mode) +{ + SD_Error errorstatus = SD_OK; + + if ((Mode == SD_DMA_MODE) || (Mode == SD_INTERRUPT_MODE) || (Mode == SD_POLLING_MODE)) + { + DeviceMode = Mode; + } + else + { + errorstatus = SD_INVALID_PARAMETER; + } + return(errorstatus); + +} + +/** + * @brief Selects od Deselects the corresponding card. + * @param addr: Address of the Card to be selected. + * @retval SD_Error: SD Card Error code. + */ +SD_Error SD_SelectDeselect(uint32_t addr) +{ + SD_Error errorstatus = SD_OK; + + /* Send CMD7 SDIO_SEL_DESEL_CARD */ + SDIO_CmdInitStructure.SDIO_Argument = addr; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEL_DESEL_CARD; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_SEL_DESEL_CARD); + + return(errorstatus); +} + +/** + * @brief Allows to read one block from a specified address in a card. + * @param addr: Address from where data are to be read. + * @param readbuff: pointer to the buffer that will contain the + * received data + * @param BlockSize: the SD card Data block size. + * @retval SD_Error: SD Card Error code. + */ +SD_Error SD_ReadBlock(uint32_t addr, uint32_t *readbuff, uint16_t BlockSize) +{ + SD_Error errorstatus = SD_OK; + uint32_t count = 0, *tempbuff = readbuff; + uint8_t power = 0; + + if (NULL == readbuff) + { + errorstatus = SD_INVALID_PARAMETER; + return(errorstatus); + } + + TransferError = SD_OK; + TransferEnd = 0; + TotalNumberOfBytes = 0; + + /* Clear all DPSM configuration */ + SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT; + SDIO_DataInitStructure.SDIO_DataLength = 0; + SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b; + SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard; + SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block; + SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable; + SDIO_DataConfig(&SDIO_DataInitStructure); + SDIO_DMACmd(DISABLE); + + if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED) + { + errorstatus = SD_LOCK_UNLOCK_FAILED; + return(errorstatus); + } + + if (CardType == SDIO_HIGH_CAPACITY_SD_CARD) + { + BlockSize = 512; + addr /= 512; + } + if ((BlockSize > 0) && (BlockSize <= 2048) && ((BlockSize & (BlockSize - 1)) == 0)) + { + power = convert_from_bytes_to_power_of_two(BlockSize); + + /* Set Block Size for Card */ + SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) BlockSize; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN); + + if (SD_OK != errorstatus) + { + return(errorstatus); + } + } + else + { + errorstatus = SD_INVALID_PARAMETER; + return(errorstatus); + } + + SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT; + SDIO_DataInitStructure.SDIO_DataLength = BlockSize; + SDIO_DataInitStructure.SDIO_DataBlockSize = (uint32_t) power << 4; + SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToSDIO; + SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block; + SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable; + SDIO_DataConfig(&SDIO_DataInitStructure); + + TotalNumberOfBytes = BlockSize; + StopCondition = 0; + DestBuffer = readbuff; + + /* Send CMD17 READ_SINGLE_BLOCK */ + SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)addr; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_READ_SINGLE_BLOCK; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_READ_SINGLE_BLOCK); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + /* In case of single block transfer, no need of stop transfer at all.*/ + if (DeviceMode == SD_POLLING_MODE) + { + /* Polling mode */ + while (!(SDIO->STA &(SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DBCKEND | SDIO_FLAG_STBITERR))) + { + if (SDIO_GetFlagStatus(SDIO_FLAG_RXFIFOHF) != RESET) + { + for (count = 0; count < 8; count++) + { + *(tempbuff + count) = SDIO_ReadData(); + } + tempbuff += 8; + } + } + + if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET) + { + SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT); + errorstatus = SD_DATA_TIMEOUT; + return(errorstatus); + } + else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET) + { + SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL); + errorstatus = SD_DATA_CRC_FAIL; + return(errorstatus); + } + else if (SDIO_GetFlagStatus(SDIO_FLAG_RXOVERR) != RESET) + { + SDIO_ClearFlag(SDIO_FLAG_RXOVERR); + errorstatus = SD_RX_OVERRUN; + return(errorstatus); + } + else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET) + { + SDIO_ClearFlag(SDIO_FLAG_STBITERR); + errorstatus = SD_START_BIT_ERR; + return(errorstatus); + } + while (SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET) + { + *tempbuff = SDIO_ReadData(); + tempbuff++; + } + + /* Clear all the static flags */ + SDIO_ClearFlag(SDIO_STATIC_FLAGS); + } + else if (DeviceMode == SD_INTERRUPT_MODE) + { + SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_RXFIFOHF | SDIO_IT_STBITERR, ENABLE); + while ((TransferEnd == 0) && (TransferError == SD_OK)) + {} + if (TransferError != SD_OK) + { + return(TransferError); + } + } + else if (DeviceMode == SD_DMA_MODE) + { + SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_STBITERR, ENABLE); + SDIO_DMACmd(ENABLE); + DMA_RxConfiguration(readbuff, BlockSize); + while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET) + {} + } + return(errorstatus); +} + +/** + * @brief Allows to read blocks from a specified address in a card. + * @param addr: Address from where data are to be read. + * @param readbuff: pointer to the buffer that will contain the + * received data. + * @param BlockSize: the SD card Data block size. + * @param NumberOfBlocks: number of blocks to be read. + * @retval SD_Error: SD Card Error code. + */ +SD_Error SD_ReadMultiBlocks(uint32_t addr, uint32_t *readbuff, uint16_t BlockSize, uint32_t NumberOfBlocks) +{ + SD_Error errorstatus = SD_OK; + uint32_t count = 0, *tempbuff = readbuff; + uint8_t power = 0; + + if (NULL == readbuff) + { + errorstatus = SD_INVALID_PARAMETER; + return(errorstatus); + } + + TransferError = SD_OK; + TransferEnd = 0; + TotalNumberOfBytes = 0; + + /* Clear all DPSM configuration */ + SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT; + SDIO_DataInitStructure.SDIO_DataLength = 0; + SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b; + SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard; + SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block; + SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable; + SDIO_DataConfig(&SDIO_DataInitStructure); + SDIO_DMACmd(DISABLE); + + if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED) + { + errorstatus = SD_LOCK_UNLOCK_FAILED; + return(errorstatus); + } + + if (CardType == SDIO_HIGH_CAPACITY_SD_CARD) + { + BlockSize = 512; + addr /= 512; + } + + if ((BlockSize > 0) && (BlockSize <= 2048) && (0 == (BlockSize & (BlockSize - 1)))) + { + power = convert_from_bytes_to_power_of_two(BlockSize); + + /* Set Block Size for Card */ + SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) BlockSize; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN); + + if (SD_OK != errorstatus) + { + return(errorstatus); + } + } + else + { + errorstatus = SD_INVALID_PARAMETER; + return(errorstatus); + } + + if (NumberOfBlocks > 1) + { + /* Common to all modes */ + if (NumberOfBlocks * BlockSize > SD_MAX_DATA_LENGTH) + { + errorstatus = SD_INVALID_PARAMETER; + return(errorstatus); + } + + TotalNumberOfBytes = NumberOfBlocks * BlockSize; + StopCondition = 1; + DestBuffer = readbuff; + + SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT; + SDIO_DataInitStructure.SDIO_DataLength = NumberOfBlocks * BlockSize; + SDIO_DataInitStructure.SDIO_DataBlockSize = (uint32_t) power << 4; + SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToSDIO; + SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block; + SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable; + SDIO_DataConfig(&SDIO_DataInitStructure); + + /* Send CMD18 READ_MULT_BLOCK with argument data address */ + SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)addr; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_READ_MULT_BLOCK; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_READ_MULT_BLOCK); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + + if (DeviceMode == SD_POLLING_MODE) + { + /* Polling mode */ + while (!(SDIO->STA &(SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DATAEND | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_STBITERR))) + { + if (SDIO_GetFlagStatus(SDIO_FLAG_RXFIFOHF) != RESET) + { + for (count = 0; count < SD_HALFFIFO; count++) + { + *(tempbuff + count) = SDIO_ReadData(); + } + tempbuff += SD_HALFFIFO; + } + } + + if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET) + { + SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT); + errorstatus = SD_DATA_TIMEOUT; + return(errorstatus); + } + else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET) + { + SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL); + errorstatus = SD_DATA_CRC_FAIL; + return(errorstatus); + } + else if (SDIO_GetFlagStatus(SDIO_FLAG_RXOVERR) != RESET) + { + SDIO_ClearFlag(SDIO_FLAG_RXOVERR); + errorstatus = SD_RX_OVERRUN; + return(errorstatus); + } + else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET) + { + SDIO_ClearFlag(SDIO_FLAG_STBITERR); + errorstatus = SD_START_BIT_ERR; + return(errorstatus); + } + while (SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET) + { + *tempbuff = SDIO_ReadData(); + tempbuff++; + } + + if (SDIO_GetFlagStatus(SDIO_FLAG_DATAEND) != RESET) + { + /* In Case Of SD-CARD Send Command STOP_TRANSMISSION */ + if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType)) + { + /* Send CMD12 STOP_TRANSMISSION */ + SDIO_CmdInitStructure.SDIO_Argument = 0x0; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_STOP_TRANSMISSION; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_STOP_TRANSMISSION); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + } + } + /* Clear all the static flags */ + SDIO_ClearFlag(SDIO_STATIC_FLAGS); + } + else if (DeviceMode == SD_INTERRUPT_MODE) + { + SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_RXFIFOHF | SDIO_IT_STBITERR, ENABLE); + while ((TransferEnd == 0) && (TransferError == SD_OK)) + {} + if (TransferError != SD_OK) + { + return(TransferError); + } + } + else if (DeviceMode == SD_DMA_MODE) + { + SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_STBITERR, ENABLE); + SDIO_DMACmd(ENABLE); + DMA_RxConfiguration(readbuff, (NumberOfBlocks * BlockSize)); + while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET) + {} + while ((TransferEnd == 0) && (TransferError == SD_OK)) + {} + if (TransferError != SD_OK) + { + return(TransferError); + } + } + } + return(errorstatus); +} + +/** + * @brief Allows to write one block starting from a specified address + * in a card. + * @param addr: Address from where data are to be read. + * @param writebuff: pointer to the buffer that contain the data to be + * transferred. + * @param BlockSize: the SD card Data block size. + * @retval SD_Error: SD Card Error code. + */ +SD_Error SD_WriteBlock(uint32_t addr, uint32_t *writebuff, uint16_t BlockSize) +{ + SD_Error errorstatus = SD_OK; + uint8_t power = 0, cardstate = 0; + uint32_t timeout = 0, bytestransferred = 0; + uint32_t cardstatus = 0, count = 0, restwords = 0; + uint32_t *tempbuff = writebuff; + + if (writebuff == NULL) + { + errorstatus = SD_INVALID_PARAMETER; + return(errorstatus); + } + + TransferError = SD_OK; + TransferEnd = 0; + TotalNumberOfBytes = 0; + + SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT; + SDIO_DataInitStructure.SDIO_DataLength = 0; + SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b; + SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard; + SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block; + SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable; + SDIO_DataConfig(&SDIO_DataInitStructure); + SDIO_DMACmd(DISABLE); + + if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED) + { + errorstatus = SD_LOCK_UNLOCK_FAILED; + return(errorstatus); + } + + if (CardType == SDIO_HIGH_CAPACITY_SD_CARD) + { + BlockSize = 512; + addr /= 512; + } + + /* Set the block size, both on controller and card */ + if ((BlockSize > 0) && (BlockSize <= 2048) && ((BlockSize & (BlockSize - 1)) == 0)) + { + power = convert_from_bytes_to_power_of_two(BlockSize); + + SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) BlockSize; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + } + else + { + errorstatus = SD_INVALID_PARAMETER; + return(errorstatus); + } + + /* Wait till card is ready for data Added */ + SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) (RCA << 16); + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_SEND_STATUS); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + + cardstatus = SDIO_GetResponse(SDIO_RESP1); + + timeout = SD_DATATIMEOUT; + + while (((cardstatus & 0x00000100) == 0) && (timeout > 0)) + { + timeout--; + SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) (RCA << 16); + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_SEND_STATUS); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + cardstatus = SDIO_GetResponse(SDIO_RESP1); + } + + if (timeout == 0) + { + return(SD_ERROR); + } + + /* Send CMD24 WRITE_SINGLE_BLOCK */ + SDIO_CmdInitStructure.SDIO_Argument = addr; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_WRITE_SINGLE_BLOCK; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_WRITE_SINGLE_BLOCK); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + + TotalNumberOfBytes = BlockSize; + StopCondition = 0; + SrcBuffer = writebuff; + + SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT; + SDIO_DataInitStructure.SDIO_DataLength = BlockSize; + SDIO_DataInitStructure.SDIO_DataBlockSize = (uint32_t) power << 4; + SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard; + SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block; + SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable; + SDIO_DataConfig(&SDIO_DataInitStructure); + + /* In case of single data block transfer no need of stop command at all */ + if (DeviceMode == SD_POLLING_MODE) + { + while (!(SDIO->STA & (SDIO_FLAG_DBCKEND | SDIO_FLAG_TXUNDERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_STBITERR))) + { + if (SDIO_GetFlagStatus(SDIO_FLAG_TXFIFOHE) != RESET) + { + if ((TotalNumberOfBytes - bytestransferred) < 32) + { + restwords = ((TotalNumberOfBytes - bytestransferred) % 4 == 0) ? ((TotalNumberOfBytes - bytestransferred) / 4) : (( TotalNumberOfBytes - bytestransferred) / 4 + 1); + + for (count = 0; count < restwords; count++, tempbuff++, bytestransferred += 4) + { + SDIO_WriteData(*tempbuff); + } + } + else + { + for (count = 0; count < 8; count++) + { + SDIO_WriteData(*(tempbuff + count)); + } + tempbuff += 8; + bytestransferred += 32; + } + } + } + if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET) + { + SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT); + errorstatus = SD_DATA_TIMEOUT; + return(errorstatus); + } + else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET) + { + SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL); + errorstatus = SD_DATA_CRC_FAIL; + return(errorstatus); + } + else if (SDIO_GetFlagStatus(SDIO_FLAG_TXUNDERR) != RESET) + { + SDIO_ClearFlag(SDIO_FLAG_TXUNDERR); + errorstatus = SD_TX_UNDERRUN; + return(errorstatus); + } + else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET) + { + SDIO_ClearFlag(SDIO_FLAG_STBITERR); + errorstatus = SD_START_BIT_ERR; + return(errorstatus); + } + } + else if (DeviceMode == SD_INTERRUPT_MODE) + { + SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_FLAG_TXFIFOHE | SDIO_IT_TXUNDERR | SDIO_IT_STBITERR, ENABLE); + while ((TransferEnd == 0) && (TransferError == SD_OK)) + {} + if (TransferError != SD_OK) + { + return(TransferError); + } + } + else if (DeviceMode == SD_DMA_MODE) + { + SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_TXUNDERR | SDIO_IT_STBITERR, ENABLE); + DMA_TxConfiguration(writebuff, BlockSize); + SDIO_DMACmd(ENABLE); + while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET) + {} + while ((TransferEnd == 0) && (TransferError == SD_OK)) + {} + if (TransferError != SD_OK) + { + return(TransferError); + } + } + + /* Clear all the static flags */ + SDIO_ClearFlag(SDIO_STATIC_FLAGS); + + /* Wait till the card is in programming state */ + errorstatus = IsCardProgramming(&cardstate); + + while ((errorstatus == SD_OK) && ((cardstate == SD_CARD_PROGRAMMING) || (cardstate == SD_CARD_RECEIVING))) + { + errorstatus = IsCardProgramming(&cardstate); + } + + return(errorstatus); +} + +/** + * @brief Allows to write blocks starting from a specified address in + * a card. + * @param addr: Address from where data are to be read. + * @param writebuff: pointer to the buffer that contain the data to be + * transferred. + * @param BlockSize: the SD card Data block size. + * @param NumberOfBlocks: number of blocks to be written. + * @retval SD_Error: SD Card Error code. + */ +SD_Error SD_WriteMultiBlocks(uint32_t addr, uint32_t *writebuff, uint16_t BlockSize, uint32_t NumberOfBlocks) +{ + SD_Error errorstatus = SD_OK; + uint8_t power = 0, cardstate = 0; + uint32_t bytestransferred = 0; + uint32_t count = 0, restwords = 0; + uint32_t *tempbuff = writebuff; + + if (writebuff == NULL) + { + errorstatus = SD_INVALID_PARAMETER; + return(errorstatus); + } + + TransferError = SD_OK; + TransferEnd = 0; + TotalNumberOfBytes = 0; + + SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT; + SDIO_DataInitStructure.SDIO_DataLength = 0; + SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_1b; + SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard; + SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block; + SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Disable; + SDIO_DataConfig(&SDIO_DataInitStructure); + SDIO_DMACmd(DISABLE); + + if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED) + { + errorstatus = SD_LOCK_UNLOCK_FAILED; + return(errorstatus); + } + + if (CardType == SDIO_HIGH_CAPACITY_SD_CARD) + { + BlockSize = 512; + addr /= 512; + } + + /* Set the block size, both on controller and card */ + if ((BlockSize > 0) && (BlockSize <= 2048) && ((BlockSize & (BlockSize - 1)) == 0)) + { + power = convert_from_bytes_to_power_of_two(BlockSize); + + SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) BlockSize; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + } + else + { + errorstatus = SD_INVALID_PARAMETER; + return(errorstatus); + } + + /* Wait till card is ready for data Added */ + SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) (RCA << 16); + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_SEND_STATUS); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + + if (NumberOfBlocks > 1) + { + /* Common to all modes */ + if (NumberOfBlocks * BlockSize > SD_MAX_DATA_LENGTH) + { + errorstatus = SD_INVALID_PARAMETER; + return(errorstatus); + } + + if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType)) + { + /* To improve performance */ + SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) (RCA << 16); + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + + errorstatus = CmdResp1Error(SDIO_APP_CMD); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + /* To improve performance */ + SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)NumberOfBlocks; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCK_COUNT; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_SET_BLOCK_COUNT); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + } + + /* Send CMD25 WRITE_MULT_BLOCK with argument data address */ + SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)addr; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_WRITE_MULT_BLOCK; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_WRITE_MULT_BLOCK); + + if (SD_OK != errorstatus) + { + return(errorstatus); + } + + TotalNumberOfBytes = NumberOfBlocks * BlockSize; + StopCondition = 1; + SrcBuffer = writebuff; + + SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT; + SDIO_DataInitStructure.SDIO_DataLength = NumberOfBlocks * BlockSize; + SDIO_DataInitStructure.SDIO_DataBlockSize = (uint32_t) power << 4; + SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToCard; + SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block; + SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable; + SDIO_DataConfig(&SDIO_DataInitStructure); + + if (DeviceMode == SD_POLLING_MODE) + { + while (!(SDIO->STA & (SDIO_FLAG_TXUNDERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DATAEND | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_STBITERR))) + { + if (SDIO_GetFlagStatus(SDIO_FLAG_TXFIFOHE) != RESET) + { + if (!((TotalNumberOfBytes - bytestransferred) < SD_HALFFIFOBYTES)) + { + for (count = 0; count < SD_HALFFIFO; count++) + { + SDIO_WriteData(*(tempbuff + count)); + } + tempbuff += SD_HALFFIFO; + bytestransferred += SD_HALFFIFOBYTES; + } + else + { + restwords = ((TotalNumberOfBytes - bytestransferred) % 4 == 0) ? ((TotalNumberOfBytes - bytestransferred) / 4) : + ((TotalNumberOfBytes - bytestransferred) / 4 + 1); + + for (count = 0; count < restwords; count++, tempbuff++, bytestransferred += 4) + { + SDIO_WriteData(*tempbuff); + } + } + } + } + + if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET) + { + SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT); + errorstatus = SD_DATA_TIMEOUT; + return(errorstatus); + } + else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET) + { + SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL); + errorstatus = SD_DATA_CRC_FAIL; + return(errorstatus); + } + else if (SDIO_GetFlagStatus(SDIO_FLAG_TXUNDERR) != RESET) + { + SDIO_ClearFlag(SDIO_FLAG_TXUNDERR); + errorstatus = SD_TX_UNDERRUN; + return(errorstatus); + } + else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET) + { + SDIO_ClearFlag(SDIO_FLAG_STBITERR); + errorstatus = SD_START_BIT_ERR; + return(errorstatus); + } + + if (SDIO_GetFlagStatus(SDIO_FLAG_DATAEND) != RESET) + { + if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType)) + { + /* Send CMD12 STOP_TRANSMISSION */ + SDIO_CmdInitStructure.SDIO_Argument = 0x0; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_STOP_TRANSMISSION; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + + errorstatus = CmdResp1Error(SDIO_STOP_TRANSMISSION); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + } + } + } + else if (DeviceMode == SD_INTERRUPT_MODE) + { + SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_TXFIFOHE | SDIO_IT_TXUNDERR | SDIO_IT_STBITERR, ENABLE); + while ((TransferEnd == 0) && (TransferError == SD_OK)) + {} + if (TransferError != SD_OK) + { + return(TransferError); + } + } + else if (DeviceMode == SD_DMA_MODE) + { + SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_TXUNDERR | SDIO_IT_STBITERR, ENABLE); + SDIO_DMACmd(ENABLE); + DMA_TxConfiguration(writebuff, (NumberOfBlocks * BlockSize)); + while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET) + {} + while ((TransferEnd == 0) && (TransferError == SD_OK)) + {} + if (TransferError != SD_OK) + { + return(TransferError); + } + } + } + /* Clear all the static flags */ + SDIO_ClearFlag(SDIO_STATIC_FLAGS); + + /* Wait till the card is in programming state */ + errorstatus = IsCardProgramming(&cardstate); + + while ((errorstatus == SD_OK) && ((cardstate == SD_CARD_PROGRAMMING) || (cardstate == SD_CARD_RECEIVING))) + { + errorstatus = IsCardProgramming(&cardstate); + } + + return(errorstatus); +} + +/** + * @brief Gets the cuurent data transfer state. + * @param None + * @retval SDTransferState: Data Transfer state. + * This value can be: + * - SD_NO_TRANSFER: No data transfer is acting + * - SD_TRANSFER_IN_PROGRESS: Data transfer is acting + */ +SDTransferState SD_GetTransferState(void) +{ + if (SDIO->STA & (SDIO_FLAG_TXACT | SDIO_FLAG_RXACT)) + { + return(SD_TRANSFER_IN_PROGRESS); + } + else + { + return(SD_NO_TRANSFER); + } +} + +/** + * @brief Aborts an ongoing data transfer. + * @param None + * @retval SD_Error: SD Card Error code. + */ +SD_Error SD_StopTransfer(void) +{ + SD_Error errorstatus = SD_OK; + + /* Send CMD12 STOP_TRANSMISSION */ + SDIO_CmdInitStructure.SDIO_Argument = 0x0; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_STOP_TRANSMISSION; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_STOP_TRANSMISSION); + + return(errorstatus); +} + +/** + * @brief Allows to erase memory area specified for the given card. + * @param startaddr: the start address. + * @param endaddr: the end address. + * @retval SD_Error: SD Card Error code. + */ +SD_Error SD_Erase(uint32_t startaddr, uint32_t endaddr) +{ + SD_Error errorstatus = SD_OK; + uint32_t delay = 0; + __IO uint32_t maxdelay = 0; + uint8_t cardstate = 0; + + /* Check if the card coomnd class supports erase command */ + if (((CSD_Tab[1] >> 20) & SD_CCCC_ERASE) == 0) + { + errorstatus = SD_REQUEST_NOT_APPLICABLE; + return(errorstatus); + } + + maxdelay = 72000 / ((SDIO->CLKCR & 0xFF) + 2); + + if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED) + { + errorstatus = SD_LOCK_UNLOCK_FAILED; + return(errorstatus); + } + + if (CardType == SDIO_HIGH_CAPACITY_SD_CARD) + { + startaddr /= 512; + endaddr /= 512; + } + + /* According to sd-card spec 1.0 ERASE_GROUP_START (CMD32) and erase_group_end(CMD33) */ + if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType)) + { + /* Send CMD32 SD_ERASE_GRP_START with argument as addr */ + SDIO_CmdInitStructure.SDIO_Argument = startaddr; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_ERASE_GRP_START; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_SD_ERASE_GRP_START); + if (errorstatus != SD_OK) + { + return(errorstatus); + } + + /* Send CMD33 SD_ERASE_GRP_END with argument as addr */ + SDIO_CmdInitStructure.SDIO_Argument = endaddr; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_ERASE_GRP_END; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_SD_ERASE_GRP_END); + if (errorstatus != SD_OK) + { + return(errorstatus); + } + } + + /* Send CMD38 ERASE */ + SDIO_CmdInitStructure.SDIO_Argument = 0; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_ERASE; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_ERASE); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + + for (delay = 0; delay < maxdelay; delay++) + {} + + /* Wait till the card is in programming state */ + errorstatus = IsCardProgramming(&cardstate); + + while ((errorstatus == SD_OK) && ((SD_CARD_PROGRAMMING == cardstate) || (SD_CARD_RECEIVING == cardstate))) + { + errorstatus = IsCardProgramming(&cardstate); + } + + return(errorstatus); +} + +/** + * @brief Returns the current card's status. + * @param pcardstatus: pointer to the buffer that will contain the SD + * card status (Card Status register). + * @retval SD_Error: SD Card Error code. + */ +SD_Error SD_SendStatus(uint32_t *pcardstatus) +{ + SD_Error errorstatus = SD_OK; + + if (pcardstatus == NULL) + { + errorstatus = SD_INVALID_PARAMETER; + return(errorstatus); + } + + SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + + errorstatus = CmdResp1Error(SDIO_SEND_STATUS); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + + *pcardstatus = SDIO_GetResponse(SDIO_RESP1); + + return(errorstatus); +} + +/** + * @brief Returns the current SD card's status. + * @param psdstatus: pointer to the buffer that will contain the SD + * card status (SD Status register). + * @retval SD_Error: SD Card Error code. + */ +SD_Error SD_SendSDStatus(uint32_t *psdstatus) +{ + SD_Error errorstatus = SD_OK; + uint32_t count = 0; + + if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED) + { + errorstatus = SD_LOCK_UNLOCK_FAILED; + return(errorstatus); + } + + /* Set block size for card if it is not equal to current block size for card. */ + SDIO_CmdInitStructure.SDIO_Argument = 64; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + + /* CMD55 */ + SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + errorstatus = CmdResp1Error(SDIO_APP_CMD); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + + SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT; + SDIO_DataInitStructure.SDIO_DataLength = 64; + SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_64b; + SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToSDIO; + SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block; + SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable; + SDIO_DataConfig(&SDIO_DataInitStructure); + + /* Send ACMD13 SD_APP_STAUS with argument as card's RCA.*/ + SDIO_CmdInitStructure.SDIO_Argument = 0; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_APP_STAUS; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + errorstatus = CmdResp1Error(SDIO_SD_APP_STAUS); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + + while (!(SDIO->STA &(SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DBCKEND | SDIO_FLAG_STBITERR))) + { + if (SDIO_GetFlagStatus(SDIO_FLAG_RXFIFOHF) != RESET) + { + for (count = 0; count < 8; count++) + { + *(psdstatus + count) = SDIO_ReadData(); + } + psdstatus += 8; + } + } + + if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET) + { + SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT); + errorstatus = SD_DATA_TIMEOUT; + return(errorstatus); + } + else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET) + { + SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL); + errorstatus = SD_DATA_CRC_FAIL; + return(errorstatus); + } + else if (SDIO_GetFlagStatus(SDIO_FLAG_RXOVERR) != RESET) + { + SDIO_ClearFlag(SDIO_FLAG_RXOVERR); + errorstatus = SD_RX_OVERRUN; + return(errorstatus); + } + else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET) + { + SDIO_ClearFlag(SDIO_FLAG_STBITERR); + errorstatus = SD_START_BIT_ERR; + return(errorstatus); + } + + while (SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET) + { + *psdstatus = SDIO_ReadData(); + psdstatus++; + } + + /* Clear all the static status flags*/ + SDIO_ClearFlag(SDIO_STATIC_FLAGS); + psdstatus -= 16; + for (count = 0; count < 16; count++) + { + psdstatus[count] = ((psdstatus[count] & SD_0TO7BITS) << 24) |((psdstatus[count] & SD_8TO15BITS) << 8) | + ((psdstatus[count] & SD_16TO23BITS) >> 8) |((psdstatus[count] & SD_24TO31BITS) >> 24); + } + return(errorstatus); +} + +/** + * @brief Allows to process all the interrupts that are high. + * @param None + * @retval SD_Error: SD Card Error code. + */ +SD_Error SD_ProcessIRQSrc(void) +{ + uint32_t count = 0, restwords = 0; + + if (DeviceMode == SD_INTERRUPT_MODE) + { + if (SDIO_GetITStatus(SDIO_IT_RXFIFOHF) != RESET) + { + for (count = 0; count < SD_HALFFIFO; count++) + { + *(DestBuffer + count) = SDIO_ReadData(); + } + DestBuffer += SD_HALFFIFO; + NumberOfBytes += SD_HALFFIFOBYTES; + } + else if (SDIO_GetITStatus(SDIO_IT_TXFIFOHE) != RESET) + { + if ((TotalNumberOfBytes - NumberOfBytes) < SD_HALFFIFOBYTES) + { + restwords = ((TotalNumberOfBytes - NumberOfBytes) % 4 == 0) ? + ((TotalNumberOfBytes - NumberOfBytes) / 4) : + ((TotalNumberOfBytes - NumberOfBytes) / 4 + 1); + + for (count = 0; count < restwords; count++, SrcBuffer++, NumberOfBytes += 4) + { + SDIO_WriteData(*SrcBuffer); + } + } + else + { + for (count = 0; count < SD_HALFFIFO; count++) + { + SDIO_WriteData(*(SrcBuffer + count)); + } + + SrcBuffer += SD_HALFFIFO; + NumberOfBytes += SD_HALFFIFOBYTES; + } + } + } + + if (SDIO_GetITStatus(SDIO_IT_DATAEND) != RESET) + { + if (DeviceMode != SD_DMA_MODE) + { + while ((SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET) && (NumberOfBytes < TotalNumberOfBytes)) + { + *DestBuffer = SDIO_ReadData(); + DestBuffer++; + NumberOfBytes += 4; + } + } + + if (StopCondition == 1) + { + TransferError = SD_StopTransfer(); + } + else + { + TransferError = SD_OK; + } + SDIO_ClearITPendingBit(SDIO_IT_DATAEND); + SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | + SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR | + SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE); + TransferEnd = 1; + NumberOfBytes = 0; + return(TransferError); + } + + if (SDIO_GetITStatus(SDIO_IT_DCRCFAIL) != RESET) + { + SDIO_ClearITPendingBit(SDIO_IT_DCRCFAIL); + SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | + SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR | + SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE); + NumberOfBytes = 0; + TransferError = SD_DATA_CRC_FAIL; + return(SD_DATA_CRC_FAIL); + } + + if (SDIO_GetITStatus(SDIO_IT_DTIMEOUT) != RESET) + { + SDIO_ClearITPendingBit(SDIO_IT_DTIMEOUT); + SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | + SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR | + SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE); + NumberOfBytes = 0; + TransferError = SD_DATA_TIMEOUT; + return(SD_DATA_TIMEOUT); + } + + if (SDIO_GetITStatus(SDIO_IT_RXOVERR) != RESET) + { + SDIO_ClearITPendingBit(SDIO_IT_RXOVERR); + SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | + SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR | + SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE); + NumberOfBytes = 0; + TransferError = SD_RX_OVERRUN; + return(SD_RX_OVERRUN); + } + + if (SDIO_GetITStatus(SDIO_IT_TXUNDERR) != RESET) + { + SDIO_ClearITPendingBit(SDIO_IT_TXUNDERR); + SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | + SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR | + SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE); + NumberOfBytes = 0; + TransferError = SD_TX_UNDERRUN; + return(SD_TX_UNDERRUN); + } + + if (SDIO_GetITStatus(SDIO_IT_STBITERR) != RESET) + { + SDIO_ClearITPendingBit(SDIO_IT_STBITERR); + SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | + SDIO_IT_TXFIFOHE | SDIO_IT_RXFIFOHF | SDIO_IT_TXUNDERR | + SDIO_IT_RXOVERR | SDIO_IT_STBITERR, DISABLE); + NumberOfBytes = 0; + TransferError = SD_START_BIT_ERR; + return(SD_START_BIT_ERR); + } + + return(SD_OK); +} + +/** + * @brief Checks for error conditions for CMD0. + * @param None + * @retval SD_Error: SD Card Error code. + */ +static SD_Error CmdError(void) +{ + SD_Error errorstatus = SD_OK; + uint32_t timeout; + + timeout = SDIO_CMD0TIMEOUT; /* 10000 */ + + while ((timeout > 0) && (SDIO_GetFlagStatus(SDIO_FLAG_CMDSENT) == RESET)) + { + timeout--; + } + + if (timeout == 0) + { + errorstatus = SD_CMD_RSP_TIMEOUT; + return(errorstatus); + } + + /* Clear all the static flags */ + SDIO_ClearFlag(SDIO_STATIC_FLAGS); + + return(errorstatus); +} + +/** + * @brief Checks for error conditions for R7. + * response. + * @param None + * @retval SD_Error: SD Card Error code. + */ +static SD_Error CmdResp7Error(void) +{ + SD_Error errorstatus = SD_OK; + uint32_t status; + uint32_t timeout = SDIO_CMD0TIMEOUT; + + status = SDIO->STA; + + while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CMDREND | SDIO_FLAG_CTIMEOUT)) && (timeout > 0)) + { + timeout--; + status = SDIO->STA; + } + + if ((timeout == 0) || (status & SDIO_FLAG_CTIMEOUT)) + { + /* Card is not V2.0 complient or card does not support the set voltage range */ + errorstatus = SD_CMD_RSP_TIMEOUT; + SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT); + return(errorstatus); + } + + if (status & SDIO_FLAG_CMDREND) + { + /* Card is SD V2.0 compliant */ + errorstatus = SD_OK; + SDIO_ClearFlag(SDIO_FLAG_CMDREND); + return(errorstatus); + } + return(errorstatus); +} + +/** + * @brief Checks for error conditions for R1. + * response + * @param cmd: The sent command index. + * @retval SD_Error: SD Card Error code. + */ +static SD_Error CmdResp1Error(uint8_t cmd) +{ + SD_Error errorstatus = SD_OK; + uint32_t status; + uint32_t response_r1; + + status = SDIO->STA; + + while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CMDREND | SDIO_FLAG_CTIMEOUT))) + { + status = SDIO->STA; + } + + if (status & SDIO_FLAG_CTIMEOUT) + { + errorstatus = SD_CMD_RSP_TIMEOUT; + SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT); + return(errorstatus); + } + else if (status & SDIO_FLAG_CCRCFAIL) + { + errorstatus = SD_CMD_CRC_FAIL; + SDIO_ClearFlag(SDIO_FLAG_CCRCFAIL); + return(errorstatus); + } + + /* Check response received is of desired command */ + if (SDIO_GetCommandResponse() != cmd) + { + errorstatus = SD_ILLEGAL_CMD; + return(errorstatus); + } + + /* Clear all the static flags */ + SDIO_ClearFlag(SDIO_STATIC_FLAGS); + + /* We have received response, retrieve it for analysis */ + response_r1 = SDIO_GetResponse(SDIO_RESP1); + + if ((response_r1 & SD_OCR_ERRORBITS) == SD_ALLZERO) + { + return(errorstatus); + } + + if (response_r1 & SD_OCR_ADDR_OUT_OF_RANGE) + { + return(SD_ADDR_OUT_OF_RANGE); + } + + if (response_r1 & SD_OCR_ADDR_MISALIGNED) + { + return(SD_ADDR_MISALIGNED); + } + + if (response_r1 & SD_OCR_BLOCK_LEN_ERR) + { + return(SD_BLOCK_LEN_ERR); + } + + if (response_r1 & SD_OCR_ERASE_SEQ_ERR) + { + return(SD_ERASE_SEQ_ERR); + } + + if (response_r1 & SD_OCR_BAD_ERASE_PARAM) + { + return(SD_BAD_ERASE_PARAM); + } + + if (response_r1 & SD_OCR_WRITE_PROT_VIOLATION) + { + return(SD_WRITE_PROT_VIOLATION); + } + + if (response_r1 & SD_OCR_LOCK_UNLOCK_FAILED) + { + return(SD_LOCK_UNLOCK_FAILED); + } + + if (response_r1 & SD_OCR_COM_CRC_FAILED) + { + return(SD_COM_CRC_FAILED); + } + + if (response_r1 & SD_OCR_ILLEGAL_CMD) + { + return(SD_ILLEGAL_CMD); + } + + if (response_r1 & SD_OCR_CARD_ECC_FAILED) + { + return(SD_CARD_ECC_FAILED); + } + + if (response_r1 & SD_OCR_CC_ERROR) + { + return(SD_CC_ERROR); + } + + if (response_r1 & SD_OCR_GENERAL_UNKNOWN_ERROR) + { + return(SD_GENERAL_UNKNOWN_ERROR); + } + + if (response_r1 & SD_OCR_STREAM_READ_UNDERRUN) + { + return(SD_STREAM_READ_UNDERRUN); + } + + if (response_r1 & SD_OCR_STREAM_WRITE_OVERRUN) + { + return(SD_STREAM_WRITE_OVERRUN); + } + + if (response_r1 & SD_OCR_CID_CSD_OVERWRIETE) + { + return(SD_CID_CSD_OVERWRITE); + } + + if (response_r1 & SD_OCR_WP_ERASE_SKIP) + { + return(SD_WP_ERASE_SKIP); + } + + if (response_r1 & SD_OCR_CARD_ECC_DISABLED) + { + return(SD_CARD_ECC_DISABLED); + } + + if (response_r1 & SD_OCR_ERASE_RESET) + { + return(SD_ERASE_RESET); + } + + if (response_r1 & SD_OCR_AKE_SEQ_ERROR) + { + return(SD_AKE_SEQ_ERROR); + } + return(errorstatus); +} + +/** + * @brief Checks for error conditions for R3 (OCR). + * response. + * @param None + * @retval SD_Error: SD Card Error code. + */ +static SD_Error CmdResp3Error(void) +{ + SD_Error errorstatus = SD_OK; + uint32_t status; + + status = SDIO->STA; + + while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CMDREND | SDIO_FLAG_CTIMEOUT))) + { + status = SDIO->STA; + } + + if (status & SDIO_FLAG_CTIMEOUT) + { + errorstatus = SD_CMD_RSP_TIMEOUT; + SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT); + return(errorstatus); + } + /* Clear all the static flags */ + SDIO_ClearFlag(SDIO_STATIC_FLAGS); + return(errorstatus); +} + +/** + * @brief Checks for error conditions for R2 (CID or CSD). + * response. + * @param None + * @retval SD_Error: SD Card Error code. + */ +static SD_Error CmdResp2Error(void) +{ + SD_Error errorstatus = SD_OK; + uint32_t status; + + status = SDIO->STA; + + while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CTIMEOUT | SDIO_FLAG_CMDREND))) + { + status = SDIO->STA; + } + + if (status & SDIO_FLAG_CTIMEOUT) + { + errorstatus = SD_CMD_RSP_TIMEOUT; + SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT); + return(errorstatus); + } + else if (status & SDIO_FLAG_CCRCFAIL) + { + errorstatus = SD_CMD_CRC_FAIL; + SDIO_ClearFlag(SDIO_FLAG_CCRCFAIL); + return(errorstatus); + } + + /* Clear all the static flags */ + SDIO_ClearFlag(SDIO_STATIC_FLAGS); + + return(errorstatus); +} + +/** + * @brief Checks for error conditions for R6 (RCA). + * response. + * @param cmd: The sent command index. + * @param prca: pointer to the variable that will contain the SD + * card relative address RCA. + * @retval SD_Error: SD Card Error code. + */ +static SD_Error CmdResp6Error(uint8_t cmd, uint16_t *prca) +{ + SD_Error errorstatus = SD_OK; + uint32_t status; + uint32_t response_r1; + + status = SDIO->STA; + + while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CTIMEOUT | SDIO_FLAG_CMDREND))) + { + status = SDIO->STA; + } + + if (status & SDIO_FLAG_CTIMEOUT) + { + errorstatus = SD_CMD_RSP_TIMEOUT; + SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT); + return(errorstatus); + } + else if (status & SDIO_FLAG_CCRCFAIL) + { + errorstatus = SD_CMD_CRC_FAIL; + SDIO_ClearFlag(SDIO_FLAG_CCRCFAIL); + return(errorstatus); + } + + /* Check response received is of desired command */ + if (SDIO_GetCommandResponse() != cmd) + { + errorstatus = SD_ILLEGAL_CMD; + return(errorstatus); + } + + /* Clear all the static flags */ + SDIO_ClearFlag(SDIO_STATIC_FLAGS); + + /* We have received response, retrieve it. */ + response_r1 = SDIO_GetResponse(SDIO_RESP1); + + if (SD_ALLZERO == (response_r1 & (SD_R6_GENERAL_UNKNOWN_ERROR | SD_R6_ILLEGAL_CMD | SD_R6_COM_CRC_FAILED))) + { + *prca = (uint16_t) (response_r1 >> 16); + return(errorstatus); + } + + if (response_r1 & SD_R6_GENERAL_UNKNOWN_ERROR) + { + return(SD_GENERAL_UNKNOWN_ERROR); + } + + if (response_r1 & SD_R6_ILLEGAL_CMD) + { + return(SD_ILLEGAL_CMD); + } + + if (response_r1 & SD_R6_COM_CRC_FAILED) + { + return(SD_COM_CRC_FAILED); + } + + return(errorstatus); +} + +/** + * @brief Enables or disables the SDIO wide bus mode. + * @param NewState: new state of the SDIO wide bus mode. + * This parameter can be: ENABLE or DISABLE. + * @retval SD_Error: SD Card Error code. + */ +static SD_Error SDEnWideBus(FunctionalState NewState) +{ + SD_Error errorstatus = SD_OK; + + uint32_t scr[2] = {0, 0}; + + if (SDIO_GetResponse(SDIO_RESP1) & SD_CARD_LOCKED) + { + errorstatus = SD_LOCK_UNLOCK_FAILED; + return(errorstatus); + } + + /* Get SCR Register */ + errorstatus = FindSCR(RCA, scr); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + + /* If wide bus operation to be enabled */ + if (NewState == ENABLE) + { + /* If requested card supports wide bus operation */ + if ((scr[1] & SD_WIDE_BUS_SUPPORT) != SD_ALLZERO) + { + /* Send CMD55 APP_CMD with argument as card's RCA.*/ + SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_APP_CMD); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + + /* Send ACMD6 APP_CMD with argument as 2 for wide bus mode */ + SDIO_CmdInitStructure.SDIO_Argument = 0x2; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_SD_SET_BUSWIDTH; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_APP_SD_SET_BUSWIDTH); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + return(errorstatus); + } + else + { + errorstatus = SD_REQUEST_NOT_APPLICABLE; + return(errorstatus); + } + } /* If wide bus operation to be disabled */ + else + { + /* If requested card supports 1 bit mode operation */ + if ((scr[1] & SD_SINGLE_BUS_SUPPORT) != SD_ALLZERO) + { + /* Send CMD55 APP_CMD with argument as card's RCA.*/ + SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + + errorstatus = CmdResp1Error(SDIO_APP_CMD); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + + /* Send ACMD6 APP_CMD with argument as 2 for wide bus mode */ + SDIO_CmdInitStructure.SDIO_Argument = 0x00; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_SD_SET_BUSWIDTH; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_APP_SD_SET_BUSWIDTH); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + + return(errorstatus); + } + else + { + errorstatus = SD_REQUEST_NOT_APPLICABLE; + return(errorstatus); + } + } +} + +/** + * @brief Checks if the SD card is in programming state. + * @param pstatus: pointer to the variable that will contain the SD + * card state. + * @retval SD_Error: SD Card Error code. + */ +static SD_Error IsCardProgramming(uint8_t *pstatus) +{ + SD_Error errorstatus = SD_OK; + __IO uint32_t respR1 = 0, status = 0; + + SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_STATUS; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + status = SDIO->STA; + while (!(status & (SDIO_FLAG_CCRCFAIL | SDIO_FLAG_CMDREND | SDIO_FLAG_CTIMEOUT))) + { + status = SDIO->STA; + } + + if (status & SDIO_FLAG_CTIMEOUT) + { + errorstatus = SD_CMD_RSP_TIMEOUT; + SDIO_ClearFlag(SDIO_FLAG_CTIMEOUT); + return(errorstatus); + } + else if (status & SDIO_FLAG_CCRCFAIL) + { + errorstatus = SD_CMD_CRC_FAIL; + SDIO_ClearFlag(SDIO_FLAG_CCRCFAIL); + return(errorstatus); + } + + status = (uint32_t)SDIO_GetCommandResponse(); + + /* Check response received is of desired command */ + if (status != SDIO_SEND_STATUS) + { + errorstatus = SD_ILLEGAL_CMD; + return(errorstatus); + } + + /* Clear all the static flags */ + SDIO_ClearFlag(SDIO_STATIC_FLAGS); + + + /* We have received response, retrieve it for analysis */ + respR1 = SDIO_GetResponse(SDIO_RESP1); + + /* Find out card status */ + *pstatus = (uint8_t) ((respR1 >> 9) & 0x0000000F); + + if ((respR1 & SD_OCR_ERRORBITS) == SD_ALLZERO) + { + return(errorstatus); + } + + if (respR1 & SD_OCR_ADDR_OUT_OF_RANGE) + { + return(SD_ADDR_OUT_OF_RANGE); + } + + if (respR1 & SD_OCR_ADDR_MISALIGNED) + { + return(SD_ADDR_MISALIGNED); + } + + if (respR1 & SD_OCR_BLOCK_LEN_ERR) + { + return(SD_BLOCK_LEN_ERR); + } + + if (respR1 & SD_OCR_ERASE_SEQ_ERR) + { + return(SD_ERASE_SEQ_ERR); + } + + if (respR1 & SD_OCR_BAD_ERASE_PARAM) + { + return(SD_BAD_ERASE_PARAM); + } + + if (respR1 & SD_OCR_WRITE_PROT_VIOLATION) + { + return(SD_WRITE_PROT_VIOLATION); + } + + if (respR1 & SD_OCR_LOCK_UNLOCK_FAILED) + { + return(SD_LOCK_UNLOCK_FAILED); + } + + if (respR1 & SD_OCR_COM_CRC_FAILED) + { + return(SD_COM_CRC_FAILED); + } + + if (respR1 & SD_OCR_ILLEGAL_CMD) + { + return(SD_ILLEGAL_CMD); + } + + if (respR1 & SD_OCR_CARD_ECC_FAILED) + { + return(SD_CARD_ECC_FAILED); + } + + if (respR1 & SD_OCR_CC_ERROR) + { + return(SD_CC_ERROR); + } + + if (respR1 & SD_OCR_GENERAL_UNKNOWN_ERROR) + { + return(SD_GENERAL_UNKNOWN_ERROR); + } + + if (respR1 & SD_OCR_STREAM_READ_UNDERRUN) + { + return(SD_STREAM_READ_UNDERRUN); + } + + if (respR1 & SD_OCR_STREAM_WRITE_OVERRUN) + { + return(SD_STREAM_WRITE_OVERRUN); + } + + if (respR1 & SD_OCR_CID_CSD_OVERWRIETE) + { + return(SD_CID_CSD_OVERWRITE); + } + + if (respR1 & SD_OCR_WP_ERASE_SKIP) + { + return(SD_WP_ERASE_SKIP); + } + + if (respR1 & SD_OCR_CARD_ECC_DISABLED) + { + return(SD_CARD_ECC_DISABLED); + } + + if (respR1 & SD_OCR_ERASE_RESET) + { + return(SD_ERASE_RESET); + } + + if (respR1 & SD_OCR_AKE_SEQ_ERROR) + { + return(SD_AKE_SEQ_ERROR); + } + + return(errorstatus); +} + +/** + * @brief Find the SD card SCR register value. + * @param rca: selected card address. + * @param pscr: pointer to the buffer that will contain the SCR value. + * @retval SD_Error: SD Card Error code. + */ +static SD_Error FindSCR(uint16_t rca, uint32_t *pscr) +{ + uint32_t index = 0; + SD_Error errorstatus = SD_OK; + uint32_t tempscr[2] = {0, 0}; + + /* Set Block Size To 8 Bytes */ + /* Send CMD55 APP_CMD with argument as card's RCA */ + SDIO_CmdInitStructure.SDIO_Argument = (uint32_t)8; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SET_BLOCKLEN; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_SET_BLOCKLEN); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + + /* Send CMD55 APP_CMD with argument as card's RCA */ + SDIO_CmdInitStructure.SDIO_Argument = (uint32_t) RCA << 16; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_APP_CMD; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_APP_CMD); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + SDIO_DataInitStructure.SDIO_DataTimeOut = SD_DATATIMEOUT; + SDIO_DataInitStructure.SDIO_DataLength = 8; + SDIO_DataInitStructure.SDIO_DataBlockSize = SDIO_DataBlockSize_8b; + SDIO_DataInitStructure.SDIO_TransferDir = SDIO_TransferDir_ToSDIO; + SDIO_DataInitStructure.SDIO_TransferMode = SDIO_TransferMode_Block; + SDIO_DataInitStructure.SDIO_DPSM = SDIO_DPSM_Enable; + SDIO_DataConfig(&SDIO_DataInitStructure); + + + /* Send ACMD51 SD_APP_SEND_SCR with argument as 0 */ + SDIO_CmdInitStructure.SDIO_Argument = 0x0; + SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SD_APP_SEND_SCR; + SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short; + SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No; + SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable; + SDIO_SendCommand(&SDIO_CmdInitStructure); + + errorstatus = CmdResp1Error(SDIO_SD_APP_SEND_SCR); + + if (errorstatus != SD_OK) + { + return(errorstatus); + } + + while (!(SDIO->STA & (SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DBCKEND | SDIO_FLAG_STBITERR))) + { + if (SDIO_GetFlagStatus(SDIO_FLAG_RXDAVL) != RESET) + { + *(tempscr + index) = SDIO_ReadData(); + index++; + } + } + + if (SDIO_GetFlagStatus(SDIO_FLAG_DTIMEOUT) != RESET) + { + SDIO_ClearFlag(SDIO_FLAG_DTIMEOUT); + errorstatus = SD_DATA_TIMEOUT; + return(errorstatus); + } + else if (SDIO_GetFlagStatus(SDIO_FLAG_DCRCFAIL) != RESET) + { + SDIO_ClearFlag(SDIO_FLAG_DCRCFAIL); + errorstatus = SD_DATA_CRC_FAIL; + return(errorstatus); + } + else if (SDIO_GetFlagStatus(SDIO_FLAG_RXOVERR) != RESET) + { + SDIO_ClearFlag(SDIO_FLAG_RXOVERR); + errorstatus = SD_RX_OVERRUN; + return(errorstatus); + } + else if (SDIO_GetFlagStatus(SDIO_FLAG_STBITERR) != RESET) + { + SDIO_ClearFlag(SDIO_FLAG_STBITERR); + errorstatus = SD_START_BIT_ERR; + return(errorstatus); + } + + /* Clear all the static flags */ + SDIO_ClearFlag(SDIO_STATIC_FLAGS); + + *(pscr + 1) = ((tempscr[0] & SD_0TO7BITS) << 24) | ((tempscr[0] & SD_8TO15BITS) << 8) | ((tempscr[0] & SD_16TO23BITS) >> 8) | ((tempscr[0] & SD_24TO31BITS) >> 24); + + *(pscr) = ((tempscr[1] & SD_0TO7BITS) << 24) | ((tempscr[1] & SD_8TO15BITS) << 8) | ((tempscr[1] & SD_16TO23BITS) >> 8) | ((tempscr[1] & SD_24TO31BITS) >> 24); + + return(errorstatus); +} + +/** + * @brief Converts the number of bytes in power of two and returns the + * power. + * @param NumberOfBytes: number of bytes. + * @retval None + */ +static uint8_t convert_from_bytes_to_power_of_two(uint16_t NumberOfBytes) +{ + uint8_t count = 0; + + while (NumberOfBytes != 1) + { + NumberOfBytes >>= 1; + count++; + } + return(count); +} + +/** + * @brief Configures the SDIO Corresponding GPIO Ports + * @param None + * @retval None + */ +static void GPIO_Configuration(void) +{ + GPIO_InitTypeDef GPIO_InitStructure; + + /* GPIOC and GPIOD Periph clock enable */ + RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD, ENABLE); + + /* Configure PC.08, PC.09, PC.10, PC.11, PC.12 pin: D0, D1, D2, D3, CLK pin */ + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_12; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_Init(GPIOC, &GPIO_InitStructure); + + /* Configure PD.02 CMD line */ + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; + GPIO_Init(GPIOD, &GPIO_InitStructure); +} + +/** + * @brief Configures the DMA2 Channel4 for SDIO Tx request. + * @param BufferSRC: pointer to the source buffer + * @param BufferSize: buffer size + * @retval None + */ +static void DMA_TxConfiguration(uint32_t *BufferSRC, uint32_t BufferSize) +{ + DMA_InitTypeDef DMA_InitStructure; + + DMA_ClearFlag(DMA2_FLAG_TC4 | DMA2_FLAG_TE4 | DMA2_FLAG_HT4 | DMA2_FLAG_GL4); + + /* DMA2 Channel4 disable */ + DMA_Cmd(DMA2_Channel4, DISABLE); + + /* DMA2 Channel4 Config */ + DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)SDIO_FIFO_Address; + DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)BufferSRC; + DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST; + DMA_InitStructure.DMA_BufferSize = BufferSize / 4; + DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; + DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; + DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word; + DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word; + DMA_InitStructure.DMA_Mode = DMA_Mode_Normal; + DMA_InitStructure.DMA_Priority = DMA_Priority_High; + DMA_InitStructure.DMA_M2M = DMA_M2M_Disable; + DMA_Init(DMA2_Channel4, &DMA_InitStructure); + + /* DMA2 Channel4 enable */ + DMA_Cmd(DMA2_Channel4, ENABLE); +} + +/** + * @brief Configures the DMA2 Channel4 for SDIO Rx request. + * @param BufferDST: pointer to the destination buffer + * @param BufferSize: buffer size + * @retval None + */ +static void DMA_RxConfiguration(uint32_t *BufferDST, uint32_t BufferSize) +{ + DMA_InitTypeDef DMA_InitStructure; + + DMA_ClearFlag(DMA2_FLAG_TC4 | DMA2_FLAG_TE4 | DMA2_FLAG_HT4 | DMA2_FLAG_GL4); + + /* DMA2 Channel4 disable */ + DMA_Cmd(DMA2_Channel4, DISABLE); + + /* DMA2 Channel4 Config */ + DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)SDIO_FIFO_Address; + DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)BufferDST; + DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC; + DMA_InitStructure.DMA_BufferSize = BufferSize / 4; + DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; + DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; + DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word; + DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word; + DMA_InitStructure.DMA_Mode = DMA_Mode_Normal; + DMA_InitStructure.DMA_Priority = DMA_Priority_High; + DMA_InitStructure.DMA_M2M = DMA_M2M_Disable; + DMA_Init(DMA2_Channel4, &DMA_InitStructure); + + /* DMA2 Channel4 enable */ + DMA_Cmd(DMA2_Channel4, ENABLE); +} + +/** + * @} + */ + +/** + * @} + */ + +/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/ + +/* + * RT-Thread SD Card Driver + * 20090417 Bernard + */ +#include <rtthread.h> +#include <dfs_fs.h> + +static struct rt_device sdcard_device; +static SD_CardInfo SDCardInfo; +static struct dfs_partition part; + +/* RT-Thread Device Driver Interface */ +static rt_err_t rt_sdcard_init(rt_device_t dev) +{ + NVIC_InitTypeDef NVIC_InitStructure; + + NVIC_InitStructure.NVIC_IRQChannel = SDIO_IRQn; + NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; + NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; + NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; + NVIC_Init(&NVIC_InitStructure); + + return RT_EOK; +} + +static rt_err_t rt_sdcard_open(rt_device_t dev, rt_uint16_t oflag) +{ + + return RT_EOK; +} + +static rt_err_t rt_sdcard_close(rt_device_t dev) +{ + return RT_EOK; +} + +/* set sector size to 512 */ +#define SECTOR_SIZE 512 +static rt_size_t rt_sdcard_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size) +{ + SD_Error status; + rt_uint32_t i, retry; + + // rt_kprintf("read: 0x%x, size %d\n", pos, size); + + retry = 3; + /* read all sectors */ + for (i = 0; i < size / SECTOR_SIZE; i ++) + { +__retry: + status = SD_ReadBlock((part.offset + i)* SECTOR_SIZE + pos, + (uint32_t*)((rt_uint8_t*)buffer + i * SECTOR_SIZE), + SECTOR_SIZE); + if (status != SD_OK) + { + if (--retry != 0) goto __retry; + rt_kprintf("sd card read failed, status 0x%08x\n", status); + return 0; + } + } + + if (status == SD_OK) return size; + + rt_kprintf("read failed: %d\n", status); + return 0; +} + +static rt_size_t rt_sdcard_write (rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size) +{ + SD_Error status; + rt_uint32_t i; + + // rt_kprintf("write: 0x%x, size %d\n", pos, size); + + /* read all sectors */ + for (i = 0; i < size / SECTOR_SIZE; i ++) + { + status = SD_WriteBlock((part.offset + i)* SECTOR_SIZE + pos, + (uint32_t*)((rt_uint8_t*)buffer + i * SECTOR_SIZE), + SECTOR_SIZE); + if (status != SD_OK) + { + rt_kprintf("sd card write failed\n"); + return 0; + } + } + + if (status == SD_OK) return size; + + rt_kprintf("write failed: %d\n", status); + return 0; +} + +static rt_err_t rt_sdcard_control(rt_device_t dev, rt_uint8_t cmd, void *args) +{ + return RT_EOK; +} + +void rt_hw_sdcard_init() +{ + if ( SD_Init() == SD_OK ) + { + SD_Error status; + rt_uint8_t *sector; + + SD_EnableWideBusOperation(SDIO_BusWide_4b); + + status = SD_GetCardInfo(&SDCardInfo); + if (status != SD_OK) goto __return; + + status = SD_SelectDeselect((u32) (SDCardInfo.RCA << 16)); + if (status != SD_OK) goto __return; + + SD_SetDeviceMode(SD_DMA_MODE); + + /* get the first sector to read partition table */ + sector = (rt_uint8_t*) rt_malloc (512); + if (sector == RT_NULL) + { + rt_kprintf("allocate partition sector buffer failed\n"); + return; + } + status = SD_ReadBlock(0, (uint32_t*)sector, 512); + if (status == SD_OK) + { + /* get the first partition */ + if (dfs_filesystem_get_partition(&part, sector, 0) != 0) + { + /* there is no partition */ + part.offset = 0; + part.size = 0; + } + } + else + { + /* there is no partition table */ + part.offset = 0; + part.size = 0; + } + + /* release sector buffer */ + rt_free(sector); + + /* register sdcard device */ + sdcard_device.init = rt_sdcard_init; + sdcard_device.open = rt_sdcard_open; + sdcard_device.close = rt_sdcard_close; + sdcard_device.read = rt_sdcard_read; + sdcard_device.write = rt_sdcard_write; + sdcard_device.control = rt_sdcard_control; + + /* no private */ + sdcard_device.private = RT_NULL; + + rt_device_register(&sdcard_device, "sd0", + RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_REMOVABLE | RT_DEVICE_FLAG_STANDALONE); + + return; + } + +__return: + rt_kprintf("sdcard init failed\n"); +} diff --git a/bsp/stm32_radio/sdcard.h b/bsp/stm32_radio/sdcard.h index 6085af5678..386c12d965 100644 --- a/bsp/stm32_radio/sdcard.h +++ b/bsp/stm32_radio/sdcard.h @@ -1,264 +1,285 @@ - /******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
-* File Name : sdcard.h
-* Author : MCD Application Team
-* Version : V2.0.3
-* Date : 09/22/2008
-* Description : This file contains all the functions prototypes for the
-* SD Card driver firmware library.
-********************************************************************************
-* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
-* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
-* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
-* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
-* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
-* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
-*******************************************************************************/
-
-/* Define to prevent recursive inclusion -------------------------------------*/
-#ifndef __SDCARD_H
-#define __SDCARD_H
-
-/* Includes ------------------------------------------------------------------*/
-#include "stm32f10x.h"
-
-/* Exported types ------------------------------------------------------------*/
-typedef enum
-{
- /* SDIO specific error defines */
- SD_CMD_CRC_FAIL = (1), /* Command response received (but CRC check failed) */
- SD_DATA_CRC_FAIL = (2), /* Data bock sent/received (CRC check Failed) */
- SD_CMD_RSP_TIMEOUT = (3), /* Command response timeout */
- SD_DATA_TIMEOUT = (4), /* Data time out */
- SD_TX_UNDERRUN = (5), /* Transmit FIFO under-run */
- SD_RX_OVERRUN = (6), /* Receive FIFO over-run */
- SD_START_BIT_ERR = (7), /* Start bit not detected on all data signals in widE bus mode */
- SD_CMD_OUT_OF_RANGE = (8), /* CMD's argument was out of range.*/
- SD_ADDR_MISALIGNED = (9), /* Misaligned address */
- SD_BLOCK_LEN_ERR = (10), /* Transferred block length is not allowed for the card or the number of transferred bytes does not match the block length */
- SD_ERASE_SEQ_ERR = (11), /* An error in the sequence of erase command occurs.*/
- SD_BAD_ERASE_PARAM = (12), /* An Invalid selection for erase groups */
- SD_WRITE_PROT_VIOLATION = (13), /* Attempt to program a write protect block */
- SD_LOCK_UNLOCK_FAILED = (14), /* Sequence or password error has been detected in unlock command or if there was an attempt to access a locked card */
- SD_COM_CRC_FAILED = (15), /* CRC check of the previous command failed */
- SD_ILLEGAL_CMD = (16), /* Command is not legal for the card state */
- SD_CARD_ECC_FAILED = (17), /* Card internal ECC was applied but failed to correct the data */
- SD_CC_ERROR = (18), /* Internal card controller error */
- SD_GENERAL_UNKNOWN_ERROR = (19), /* General or Unknown error */
- SD_STREAM_READ_UNDERRUN = (20), /* The card could not sustain data transfer in stream read operation. */
- SD_STREAM_WRITE_OVERRUN = (21), /* The card could not sustain data programming in stream mode */
- SD_CID_CSD_OVERWRITE = (22), /* CID/CSD overwrite error */
- SD_WP_ERASE_SKIP = (23), /* only partial address space was erased */
- SD_CARD_ECC_DISABLED = (24), /* Command has been executed without using internal ECC */
- SD_ERASE_RESET = (25), /* Erase sequence was cleared before executing because an out of erase sequence command was received */
- SD_AKE_SEQ_ERROR = (26), /* Error in sequence of authentication. */
- SD_INVALID_VOLTRANGE = (27),
- SD_ADDR_OUT_OF_RANGE = (28),
- SD_SWITCH_ERROR = (29),
- SD_SDIO_DISABLED = (30),
- SD_SDIO_FUNCTION_BUSY = (31),
- SD_SDIO_FUNCTION_FAILED = (32),
- SD_SDIO_UNKNOWN_FUNCTION = (33),
-
- /* Standard error defines */
- SD_INTERNAL_ERROR,
- SD_NOT_CONFIGURED,
- SD_REQUEST_PENDING,
- SD_REQUEST_NOT_APPLICABLE,
- SD_INVALID_PARAMETER,
- SD_UNSUPPORTED_FEATURE,
- SD_UNSUPPORTED_HW,
- SD_ERROR,
- SD_OK,
-} SD_Error;
-
-/* SDIO Commands Index */
-#define SDIO_GO_IDLE_STATE ((u8)0)
-#define SDIO_SEND_OP_COND ((u8)1)
-#define SDIO_ALL_SEND_CID ((u8)2)
-#define SDIO_SET_REL_ADDR ((u8)3) /* SDIO_SEND_REL_ADDR for SD Card */
-#define SDIO_SET_DSR ((u8)4)
-#define SDIO_SDIO_SEN_OP_COND ((u8)5)
-#define SDIO_HS_SWITCH ((u8)6)
-#define SDIO_SEL_DESEL_CARD ((u8)7)
-#define SDIO_HS_SEND_EXT_CSD ((u8)8)
-#define SDIO_SEND_CSD ((u8)9)
-#define SDIO_SEND_CID ((u8)10)
-#define SDIO_READ_DAT_UNTIL_STOP ((u8)11) /* SD Card doesn't support it */
-#define SDIO_STOP_TRANSMISSION ((u8)12)
-#define SDIO_SEND_STATUS ((u8)13)
-#define SDIO_HS_BUSTEST_READ ((u8)14)
-#define SDIO_GO_INACTIVE_STATE ((u8)15)
-#define SDIO_SET_BLOCKLEN ((u8)16)
-#define SDIO_READ_SINGLE_BLOCK ((u8)17)
-#define SDIO_READ_MULT_BLOCK ((u8)18)
-#define SDIO_HS_BUSTEST_WRITE ((u8)19)
-#define SDIO_WRITE_DAT_UNTIL_STOP ((u8)20) /* SD Card doesn't support it */
-#define SDIO_SET_BLOCK_COUNT ((u8)23) /* SD Card doesn't support it */
-#define SDIO_WRITE_SINGLE_BLOCK ((u8)24)
-#define SDIO_WRITE_MULT_BLOCK ((u8)25)
-#define SDIO_PROG_CID ((u8)26) /* reserved for manufacturers */
-#define SDIO_PROG_CSD ((u8)27)
-#define SDIO_SET_WRITE_PROT ((u8)28)
-#define SDIO_CLR_WRITE_PROT ((u8)29)
-#define SDIO_SEND_WRITE_PROT ((u8)30)
-#define SDIO_SD_ERASE_GRP_START ((u8)32) /* To set the address of the first write
- block to be erased. (For SD card only) */
-#define SDIO_SD_ERASE_GRP_END ((u8)33) /* To set the address of the last write block of the
- continuous range to be erased. (For SD card only) */
-#define SDIO_ERASE_GRP_START ((u8)35) /* To set the address of the first write block to be erased.
- (For MMC card only spec 3.31) */
-
-#define SDIO_ERASE_GRP_END ((u8)36) /* To set the address of the last write block of the
- continuous range to be erased. (For MMC card only spec 3.31) */
-
-#define SDIO_ERASE ((u8)38)
-#define SDIO_FAST_IO ((u8)39) /* SD Card doesn't support it */
-#define SDIO_GO_IRQ_STATE ((u8)40) /* SD Card doesn't support it */
-#define SDIO_LOCK_UNLOCK ((u8)42)
-#define SDIO_APP_CMD ((u8)55)
-#define SDIO_GEN_CMD ((u8)56)
-#define SDIO_NO_CMD ((u8)64)
-
-/* Following commands are SD Card Specific commands.
- SDIO_APP_CMD should be sent before sending these
- commands. */
-#define SDIO_APP_SD_SET_BUSWIDTH ((u8)6) /* For SD Card only */
-#define SDIO_SD_APP_STAUS ((u8)13) /* For SD Card only */
-#define SDIO_SD_APP_SEND_NUM_WRITE_BLOCKS ((u8)22) /* For SD Card only */
-#define SDIO_SD_APP_OP_COND ((u8)41) /* For SD Card only */
-#define SDIO_SD_APP_SET_CLR_CARD_DETECT ((u8)42) /* For SD Card only */
-#define SDIO_SD_APP_SEND_SCR ((u8)51) /* For SD Card only */
-#define SDIO_SDIO_RW_DIRECT ((u8)52) /* For SD I/O Card only */
-#define SDIO_SDIO_RW_EXTENDED ((u8)53) /* For SD I/O Card only */
-
-/* Following commands are SD Card Specific security commands.
- SDIO_APP_CMD should be sent before sending these commands. */
-#define SDIO_SD_APP_GET_MKB ((u8)43) /* For SD Card only */
-#define SDIO_SD_APP_GET_MID ((u8)44) /* For SD Card only */
-#define SDIO_SD_APP_SET_CER_RN1 ((u8)45) /* For SD Card only */
-#define SDIO_SD_APP_GET_CER_RN2 ((u8)46) /* For SD Card only */
-#define SDIO_SD_APP_SET_CER_RES2 ((u8)47) /* For SD Card only */
-#define SDIO_SD_APP_GET_CER_RES1 ((u8)48) /* For SD Card only */
-#define SDIO_SD_APP_SECURE_READ_MULTIPLE_BLOCK ((u8)18) /* For SD Card only */
-#define SDIO_SD_APP_SECURE_WRITE_MULTIPLE_BLOCK ((u8)25) /* For SD Card only */
-#define SDIO_SD_APP_SECURE_ERASE ((u8)38) /* For SD Card only */
-#define SDIO_SD_APP_CHANGE_SECURE_AREA ((u8)49) /* For SD Card only */
-#define SDIO_SD_APP_SECURE_WRITE_MKB ((u8)48) /* For SD Card only */
-
-typedef enum
-{
- SD_NO_TRANSFER = 0,
- SD_TRANSFER_IN_PROGRESS
-} SDTransferState;
-
-typedef struct
-{
- u16 TransferredBytes;
- SD_Error TransferError;
- u8 padding;
-} SDLastTransferInfo;
-
-typedef struct /* Card Specific Data */
-{
- vu8 CSDStruct; /* CSD structure */
- vu8 SysSpecVersion; /* System specification version */
- vu8 Reserved1; /* Reserved */
- vu8 TAAC; /* Data read access-time 1 */
- vu8 NSAC; /* Data read access-time 2 in CLK cycles */
- vu8 MaxBusClkFrec; /* Max. bus clock frequency */
- vu16 CardComdClasses; /* Card command classes */
- vu8 RdBlockLen; /* Max. read data block length */
- vu8 PartBlockRead; /* Partial blocks for read allowed */
- vu8 WrBlockMisalign; /* Write block misalignment */
- vu8 RdBlockMisalign; /* Read block misalignment */
- vu8 DSRImpl; /* DSR implemented */
- vu8 Reserved2; /* Reserved */
- vu32 DeviceSize; /* Device Size */
- vu8 MaxRdCurrentVDDMin; /* Max. read current @ VDD min */
- vu8 MaxRdCurrentVDDMax; /* Max. read current @ VDD max */
- vu8 MaxWrCurrentVDDMin; /* Max. write current @ VDD min */
- vu8 MaxWrCurrentVDDMax; /* Max. write current @ VDD max */
- vu8 DeviceSizeMul; /* Device size multiplier */
- vu8 EraseGrSize; /* Erase group size */
- vu8 EraseGrMul; /* Erase group size multiplier */
- vu8 WrProtectGrSize; /* Write protect group size */
- vu8 WrProtectGrEnable; /* Write protect group enable */
- vu8 ManDeflECC; /* Manufacturer default ECC */
- vu8 WrSpeedFact; /* Write speed factor */
- vu8 MaxWrBlockLen; /* Max. write data block length */
- vu8 WriteBlockPaPartial; /* Partial blocks for write allowed */
- vu8 Reserved3; /* Reserded */
- vu8 ContentProtectAppli; /* Content protection application */
- vu8 FileFormatGrouop; /* File format group */
- vu8 CopyFlag; /* Copy flag (OTP) */
- vu8 PermWrProtect; /* Permanent write protection */
- vu8 TempWrProtect; /* Temporary write protection */
- vu8 FileFormat; /* File Format */
- vu8 ECC; /* ECC code */
- vu8 CSD_CRC; /* CSD CRC */
- vu8 Reserved4; /* always 1*/
-} SD_CSD;
-
-typedef struct /*Card Identification Data*/
-{
- vu8 ManufacturerID; /* ManufacturerID */
- vu16 OEM_AppliID; /* OEM/Application ID */
- vu32 ProdName1; /* Product Name part1 */
- vu8 ProdName2; /* Product Name part2*/
- vu8 ProdRev; /* Product Revision */
- vu32 ProdSN; /* Product Serial Number */
- vu8 Reserved1; /* Reserved1 */
- vu16 ManufactDate; /* Manufacturing Date */
- vu8 CID_CRC; /* CID CRC */
- vu8 Reserved2; /* always 1 */
-} SD_CID;
-
-typedef struct
-{
- SD_CSD SD_csd;
- SD_CID SD_cid;
- u32 CardCapacity; /* Card Capacity */
- u32 CardBlockSize; /* Card Block Size */
- u16 RCA;
- u8 CardType;
-} SD_CardInfo;
-
-/* Exported constants --------------------------------------------------------*/
-#define SD_DMA_MODE ((u32)0x00000000)
-#define SD_INTERRUPT_MODE ((u32)0x00000001)
-#define SD_POLLING_MODE ((u32)0x00000002)
-
-/* Supported Memory Cards */
-#define SDIO_STD_CAPACITY_SD_CARD_V1_1 ((u32)0x0)
-#define SDIO_STD_CAPACITY_SD_CARD_V2_0 ((u32)0x1)
-#define SDIO_HIGH_CAPACITY_SD_CARD ((u32)0x2)
-#define SDIO_MULTIMEDIA_CARD ((u32)0x3)
-#define SDIO_SECURE_DIGITAL_IO_CARD ((u32)0x4)
-#define SDIO_HIGH_SPEED_MULTIMEDIA_CARD ((u32)0x5)
-#define SDIO_SECURE_DIGITAL_IO_COMBO_CARD ((u32)0x6)
-#define SDIO_HIGH_CAPACITY_MMC_CARD ((u32)0x7)
-
-/* Exported macro ------------------------------------------------------------*/
-/* Exported functions ------------------------------------------------------- */
-SD_Error SD_Init(void);
-SD_Error SD_PowerON(void);
-SD_Error SD_PowerOFF(void);
-SD_Error SD_InitializeCards(void);
-SD_Error SD_GetCardInfo(SD_CardInfo *cardinfo);
-SD_Error SD_EnableWideBusOperation(u32 WideMode);
-SD_Error SD_SetDeviceMode(u32 Mode);
-SD_Error SD_SelectDeselect(u32 addr);
-SD_Error SD_ReadBlock(u32 addr, u32 *readbuff, u16 BlockSize);
-SD_Error SD_ReadMultiBlocks(u32 addr, u32 *readbuff, u16 BlockSize, u32 NumberOfBlocks);
-SD_Error SD_WriteBlock(u32 addr, u32 *writebuff, u16 BlockSize);
-SD_Error SD_WriteMultiBlocks(u32 addr, u32 *writebuff, u16 BlockSize, u32 NumberOfBlocks);
-SDTransferState SD_GetTransferState(void);
-SD_Error SD_StopTransfer(void);
-SD_Error SD_Erase(u32 startaddr, u32 endaddr);
-SD_Error SD_SendStatus(u32 *pcardstatus);
-SD_Error SD_SendSDStatus(u32 *psdstatus);
-SD_Error SD_ProcessIRQSrc(void);
-
-#endif /* __SDCARD_H */
-
-/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/
+/** + ****************************************************************************** + * @file SDIO/sdcard.h + * @author MCD Application Team + * @version V3.1.0 + * @date 06/19/2009 + * @brief This file contains all the functions prototypes for the SD Card + * driver firmware library. + ****************************************************************************** + * @copy + * + * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS + * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE + * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY + * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING + * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE + * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. + * + * <h2><center>© COPYRIGHT 2009 STMicroelectronics</center></h2> + */ + +/** @addtogroup STM32F10x_StdPeriph_Examples + * @{ + */ + +/** @addtogroup SDIO_Example + * @{ + */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __SDCARD_H +#define __SDCARD_H + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f10x.h" + +/* Exported types ------------------------------------------------------------*/ +typedef enum +{ + /* SDIO specific error defines */ + SD_CMD_CRC_FAIL = (1), /* Command response received (but CRC check failed) */ + SD_DATA_CRC_FAIL = (2), /* Data bock sent/received (CRC check Failed) */ + SD_CMD_RSP_TIMEOUT = (3), /* Command response timeout */ + SD_DATA_TIMEOUT = (4), /* Data time out */ + SD_TX_UNDERRUN = (5), /* Transmit FIFO under-run */ + SD_RX_OVERRUN = (6), /* Receive FIFO over-run */ + SD_START_BIT_ERR = (7), /* Start bit not detected on all data signals in widE bus mode */ + SD_CMD_OUT_OF_RANGE = (8), /* CMD's argument was out of range.*/ + SD_ADDR_MISALIGNED = (9), /* Misaligned address */ + SD_BLOCK_LEN_ERR = (10), /* Transferred block length is not allowed for the card or the number of transferred bytes does not match the block length */ + SD_ERASE_SEQ_ERR = (11), /* An error in the sequence of erase command occurs.*/ + SD_BAD_ERASE_PARAM = (12), /* An Invalid selection for erase groups */ + SD_WRITE_PROT_VIOLATION = (13), /* Attempt to program a write protect block */ + SD_LOCK_UNLOCK_FAILED = (14), /* Sequence or password error has been detected in unlock command or if there was an attempt to access a locked card */ + SD_COM_CRC_FAILED = (15), /* CRC check of the previous command failed */ + SD_ILLEGAL_CMD = (16), /* Command is not legal for the card state */ + SD_CARD_ECC_FAILED = (17), /* Card internal ECC was applied but failed to correct the data */ + SD_CC_ERROR = (18), /* Internal card controller error */ + SD_GENERAL_UNKNOWN_ERROR = (19), /* General or Unknown error */ + SD_STREAM_READ_UNDERRUN = (20), /* The card could not sustain data transfer in stream read operation. */ + SD_STREAM_WRITE_OVERRUN = (21), /* The card could not sustain data programming in stream mode */ + SD_CID_CSD_OVERWRITE = (22), /* CID/CSD overwrite error */ + SD_WP_ERASE_SKIP = (23), /* only partial address space was erased */ + SD_CARD_ECC_DISABLED = (24), /* Command has been executed without using internal ECC */ + SD_ERASE_RESET = (25), /* Erase sequence was cleared before executing because an out of erase sequence command was received */ + SD_AKE_SEQ_ERROR = (26), /* Error in sequence of authentication. */ + SD_INVALID_VOLTRANGE = (27), + SD_ADDR_OUT_OF_RANGE = (28), + SD_SWITCH_ERROR = (29), + SD_SDIO_DISABLED = (30), + SD_SDIO_FUNCTION_BUSY = (31), + SD_SDIO_FUNCTION_FAILED = (32), + SD_SDIO_UNKNOWN_FUNCTION = (33), + + /* Standard error defines */ + SD_INTERNAL_ERROR, + SD_NOT_CONFIGURED, + SD_REQUEST_PENDING, + SD_REQUEST_NOT_APPLICABLE, + SD_INVALID_PARAMETER, + SD_UNSUPPORTED_FEATURE, + SD_UNSUPPORTED_HW, + SD_ERROR, + SD_OK, +} SD_Error; + +/* SDIO Commands Index */ +#define SDIO_GO_IDLE_STATE ((uint8_t)0) +#define SDIO_SEND_OP_COND ((uint8_t)1) +#define SDIO_ALL_SEND_CID ((uint8_t)2) +#define SDIO_SET_REL_ADDR ((uint8_t)3) /* SDIO_SEND_REL_ADDR for SD Card */ +#define SDIO_SET_DSR ((uint8_t)4) +#define SDIO_SDIO_SEN_OP_COND ((uint8_t)5) +#define SDIO_HS_SWITCH ((uint8_t)6) +#define SDIO_SEL_DESEL_CARD ((uint8_t)7) +#define SDIO_HS_SEND_EXT_CSD ((uint8_t)8) +#define SDIO_SEND_CSD ((uint8_t)9) +#define SDIO_SEND_CID ((uint8_t)10) +#define SDIO_READ_DAT_UNTIL_STOP ((uint8_t)11) /* SD Card doesn't support it */ +#define SDIO_STOP_TRANSMISSION ((uint8_t)12) +#define SDIO_SEND_STATUS ((uint8_t)13) +#define SDIO_HS_BUSTEST_READ ((uint8_t)14) +#define SDIO_GO_INACTIVE_STATE ((uint8_t)15) +#define SDIO_SET_BLOCKLEN ((uint8_t)16) +#define SDIO_READ_SINGLE_BLOCK ((uint8_t)17) +#define SDIO_READ_MULT_BLOCK ((uint8_t)18) +#define SDIO_HS_BUSTEST_WRITE ((uint8_t)19) +#define SDIO_WRITE_DAT_UNTIL_STOP ((uint8_t)20) /* SD Card doesn't support it */ +#define SDIO_SET_BLOCK_COUNT ((uint8_t)23) /* SD Card doesn't support it */ +#define SDIO_WRITE_SINGLE_BLOCK ((uint8_t)24) +#define SDIO_WRITE_MULT_BLOCK ((uint8_t)25) +#define SDIO_PROG_CID ((uint8_t)26) /* reserved for manufacturers */ +#define SDIO_PROG_CSD ((uint8_t)27) +#define SDIO_SET_WRITE_PROT ((uint8_t)28) +#define SDIO_CLR_WRITE_PROT ((uint8_t)29) +#define SDIO_SEND_WRITE_PROT ((uint8_t)30) +#define SDIO_SD_ERASE_GRP_START ((uint8_t)32) /* To set the address of the first write + block to be erased. (For SD card only) */ +#define SDIO_SD_ERASE_GRP_END ((uint8_t)33) /* To set the address of the last write block of the + continuous range to be erased. (For SD card only) */ +#define SDIO_ERASE_GRP_START ((uint8_t)35) /* To set the address of the first write block to be erased. + (For MMC card only spec 3.31) */ + +#define SDIO_ERASE_GRP_END ((uint8_t)36) /* To set the address of the last write block of the + continuous range to be erased. (For MMC card only spec 3.31) */ + +#define SDIO_ERASE ((uint8_t)38) +#define SDIO_FAST_IO ((uint8_t)39) /* SD Card doesn't support it */ +#define SDIO_GO_IRQ_STATE ((uint8_t)40) /* SD Card doesn't support it */ +#define SDIO_LOCK_UNLOCK ((uint8_t)42) +#define SDIO_APP_CMD ((uint8_t)55) +#define SDIO_GEN_CMD ((uint8_t)56) +#define SDIO_NO_CMD ((uint8_t)64) + +/* Following commands are SD Card Specific commands. + SDIO_APP_CMD should be sent before sending these + commands. */ +#define SDIO_APP_SD_SET_BUSWIDTH ((uint8_t)6) /* For SD Card only */ +#define SDIO_SD_APP_STAUS ((uint8_t)13) /* For SD Card only */ +#define SDIO_SD_APP_SEND_NUM_WRITE_BLOCKS ((uint8_t)22) /* For SD Card only */ +#define SDIO_SD_APP_OP_COND ((uint8_t)41) /* For SD Card only */ +#define SDIO_SD_APP_SET_CLR_CARD_DETECT ((uint8_t)42) /* For SD Card only */ +#define SDIO_SD_APP_SEND_SCR ((uint8_t)51) /* For SD Card only */ +#define SDIO_SDIO_RW_DIRECT ((uint8_t)52) /* For SD I/O Card only */ +#define SDIO_SDIO_RW_EXTENDED ((uint8_t)53) /* For SD I/O Card only */ + +/* Following commands are SD Card Specific security commands. + SDIO_APP_CMD should be sent before sending these commands. */ +#define SDIO_SD_APP_GET_MKB ((uint8_t)43) /* For SD Card only */ +#define SDIO_SD_APP_GET_MID ((uint8_t)44) /* For SD Card only */ +#define SDIO_SD_APP_SET_CER_RN1 ((uint8_t)45) /* For SD Card only */ +#define SDIO_SD_APP_GET_CER_RN2 ((uint8_t)46) /* For SD Card only */ +#define SDIO_SD_APP_SET_CER_RES2 ((uint8_t)47) /* For SD Card only */ +#define SDIO_SD_APP_GET_CER_RES1 ((uint8_t)48) /* For SD Card only */ +#define SDIO_SD_APP_SECURE_READ_MULTIPLE_BLOCK ((uint8_t)18) /* For SD Card only */ +#define SDIO_SD_APP_SECURE_WRITE_MULTIPLE_BLOCK ((uint8_t)25) /* For SD Card only */ +#define SDIO_SD_APP_SECURE_ERASE ((uint8_t)38) /* For SD Card only */ +#define SDIO_SD_APP_CHANGE_SECURE_AREA ((uint8_t)49) /* For SD Card only */ +#define SDIO_SD_APP_SECURE_WRITE_MKB ((uint8_t)48) /* For SD Card only */ + +typedef enum +{ + SD_NO_TRANSFER = 0, + SD_TRANSFER_IN_PROGRESS +} SDTransferState; + +typedef struct +{ + uint16_t TransferredBytes; + SD_Error TransferError; + uint8_t padding; +} SDLastTransferInfo; + +typedef struct /* Card Specific Data */ +{ + __IO uint8_t CSDStruct; /* CSD structure */ + __IO uint8_t SysSpecVersion; /* System specification version */ + __IO uint8_t Reserved1; /* Reserved */ + __IO uint8_t TAAC; /* Data read access-time 1 */ + __IO uint8_t NSAC; /* Data read access-time 2 in CLK cycles */ + __IO uint8_t MaxBusClkFrec; /* Max. bus clock frequency */ + __IO uint16_t CardComdClasses; /* Card command classes */ + __IO uint8_t RdBlockLen; /* Max. read data block length */ + __IO uint8_t PartBlockRead; /* Partial blocks for read allowed */ + __IO uint8_t WrBlockMisalign; /* Write block misalignment */ + __IO uint8_t RdBlockMisalign; /* Read block misalignment */ + __IO uint8_t DSRImpl; /* DSR implemented */ + __IO uint8_t Reserved2; /* Reserved */ + __IO uint32_t DeviceSize; /* Device Size */ + __IO uint8_t MaxRdCurrentVDDMin; /* Max. read current @ VDD min */ + __IO uint8_t MaxRdCurrentVDDMax; /* Max. read current @ VDD max */ + __IO uint8_t MaxWrCurrentVDDMin; /* Max. write current @ VDD min */ + __IO uint8_t MaxWrCurrentVDDMax; /* Max. write current @ VDD max */ + __IO uint8_t DeviceSizeMul; /* Device size multiplier */ + __IO uint8_t EraseGrSize; /* Erase group size */ + __IO uint8_t EraseGrMul; /* Erase group size multiplier */ + __IO uint8_t WrProtectGrSize; /* Write protect group size */ + __IO uint8_t WrProtectGrEnable; /* Write protect group enable */ + __IO uint8_t ManDeflECC; /* Manufacturer default ECC */ + __IO uint8_t WrSpeedFact; /* Write speed factor */ + __IO uint8_t MaxWrBlockLen; /* Max. write data block length */ + __IO uint8_t WriteBlockPaPartial; /* Partial blocks for write allowed */ + __IO uint8_t Reserved3; /* Reserded */ + __IO uint8_t ContentProtectAppli; /* Content protection application */ + __IO uint8_t FileFormatGrouop; /* File format group */ + __IO uint8_t CopyFlag; /* Copy flag (OTP) */ + __IO uint8_t PermWrProtect; /* Permanent write protection */ + __IO uint8_t TempWrProtect; /* Temporary write protection */ + __IO uint8_t FileFormat; /* File Format */ + __IO uint8_t ECC; /* ECC code */ + __IO uint8_t CSD_CRC; /* CSD CRC */ + __IO uint8_t Reserved4; /* always 1*/ +} SD_CSD; + +typedef struct /*Card Identification Data*/ +{ + __IO uint8_t ManufacturerID; /* ManufacturerID */ + __IO uint16_t OEM_AppliID; /* OEM/Application ID */ + __IO uint32_t ProdName1; /* Product Name part1 */ + __IO uint8_t ProdName2; /* Product Name part2*/ + __IO uint8_t ProdRev; /* Product Revision */ + __IO uint32_t ProdSN; /* Product Serial Number */ + __IO uint8_t Reserved1; /* Reserved1 */ + __IO uint16_t ManufactDate; /* Manufacturing Date */ + __IO uint8_t CID_CRC; /* CID CRC */ + __IO uint8_t Reserved2; /* always 1 */ +} SD_CID; + +typedef struct +{ + SD_CSD SD_csd; + SD_CID SD_cid; + uint32_t CardCapacity; /* Card Capacity */ + uint32_t CardBlockSize; /* Card Block Size */ + uint16_t RCA; + uint8_t CardType; +} SD_CardInfo; + +/* Exported constants --------------------------------------------------------*/ +#define SD_DMA_MODE ((uint32_t)0x00000000) +#define SD_INTERRUPT_MODE ((uint32_t)0x00000001) +#define SD_POLLING_MODE ((uint32_t)0x00000002) + +/* Supported Memory Cards */ +#define SDIO_STD_CAPACITY_SD_CARD_V1_1 ((uint32_t)0x0) +#define SDIO_STD_CAPACITY_SD_CARD_V2_0 ((uint32_t)0x1) +#define SDIO_HIGH_CAPACITY_SD_CARD ((uint32_t)0x2) +#define SDIO_MULTIMEDIA_CARD ((uint32_t)0x3) +#define SDIO_SECURE_DIGITAL_IO_CARD ((uint32_t)0x4) +#define SDIO_HIGH_SPEED_MULTIMEDIA_CARD ((uint32_t)0x5) +#define SDIO_SECURE_DIGITAL_IO_COMBO_CARD ((uint32_t)0x6) +#define SDIO_HIGH_CAPACITY_MMC_CARD ((uint32_t)0x7) + +/* Exported macro ------------------------------------------------------------*/ +/* Exported functions ------------------------------------------------------- */ +SD_Error SD_Init(void); +SD_Error SD_PowerON(void); +SD_Error SD_PowerOFF(void); +SD_Error SD_InitializeCards(void); +SD_Error SD_GetCardInfo(SD_CardInfo *cardinfo); +SD_Error SD_EnableWideBusOperation(uint32_t WideMode); +SD_Error SD_SetDeviceMode(uint32_t Mode); +SD_Error SD_SelectDeselect(uint32_t addr); +SD_Error SD_ReadBlock(uint32_t addr, uint32_t *readbuff, uint16_t BlockSize); +SD_Error SD_ReadMultiBlocks(uint32_t addr, uint32_t *readbuff, uint16_t BlockSize, uint32_t NumberOfBlocks); +SD_Error SD_WriteBlock(uint32_t addr, uint32_t *writebuff, uint16_t BlockSize); +SD_Error SD_WriteMultiBlocks(uint32_t addr, uint32_t *writebuff, uint16_t BlockSize, uint32_t NumberOfBlocks); +SDTransferState SD_GetTransferState(void); +SD_Error SD_StopTransfer(void); +SD_Error SD_Erase(uint32_t startaddr, uint32_t endaddr); +SD_Error SD_SendStatus(uint32_t *pcardstatus); +SD_Error SD_SendSDStatus(uint32_t *psdstatus); +SD_Error SD_ProcessIRQSrc(void); + +#endif /* __SDCARD_H */ + +/** + * @} + */ + +/** + * @} + */ + +/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/ |