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/*!
* @file apm32e10x_usb.c
*
* @brief This file contains all the functions for the USBD peripheral
*
* @version V1.0.2
*
* @date 2022-12-31
*
* @attention
*
* Copyright (C) 2021-2023 Geehy Semiconductor
*
* You may not use this file except in compliance with the
* GEEHY COPYRIGHT NOTICE (GEEHY SOFTWARE PACKAGE LICENSE).
*
* The program is only for reference, which is distributed in the hope
* that it will be useful and instructional for customers to develop
* their software. Unless required by applicable law or agreed to in
* writing, the program is distributed on an "AS IS" BASIS, WITHOUT
* ANY WARRANTY OR CONDITIONS OF ANY KIND, either express or implied.
* See the GEEHY SOFTWARE PACKAGE LICENSE for the governing permissions
* and limitations under the License.
*/
#include "apm32e10x_usb.h"
/** @addtogroup APM32E10x_StdPeriphDriver
@{
*/
/** @addtogroup USBD_Driver
* @brief USBD driver modules
@{
*/
/** @defgroup USBD_Functions Functions
@{
*/
/*!
* @brief Set Endpoint type
*
* @param ep: Endpoint number
*
* @param type: Endpoint type
*
* @retval None
*/
void USBD_SetEPType(USBD_EP_T ep, USBD_EP_TYPE_T type)
{
__IOM uint32_t reg;
reg = USBD->EP[ep].EP;
reg &= (uint32_t)(USBD_EP_MASK_DEFAULT);
reg &= ~USBD_EP_BIT_TYPE;
reg |= type << 9;
USBD->EP[ep].EP = reg;
}
/*!
* @brief Set EP kind
*
* @param ep: Endpoint number
*
* @retval None
*/
void USBD_SetEPKind(USBD_EP_T ep)
{
__IOM uint32_t reg;
reg = USBD->EP[ep].EP;
reg &= (uint32_t)(USBD_EP_MASK_DEFAULT);
reg |= USBD_EP_BIT_KIND;
USBD->EP[ep].EP = reg;
}
/*!
* @brief Reset EP kind
*
* @param ep: Endpoint number
*
* @retval None
*/
void USBD_ResetEPKind(USBD_EP_T ep)
{
__IOM uint32_t reg;
reg = USBD->EP[ep].EP;
reg &= (uint32_t)(USBD_EP_MASK_DEFAULT);
reg &= ~USBD_EP_BIT_KIND;
USBD->EP[ep].EP = reg;
}
/*!
* @brief Reset EP CTFR bit
*
* @param ep: Endpoint number
*
* @retval None
*/
void USBD_ResetEPRxFlag(USBD_EP_T ep)
{
__IOM uint32_t reg;
reg = USBD->EP[ep].EP;
reg &= (uint32_t)(USBD_EP_MASK_DEFAULT);
reg &= ~USBD_EP_BIT_CTFR;
USBD->EP[ep].EP = reg;
}
/*!
* @brief Reset EP CTFT bit
*
* @param ep: Endpoint number
*
* @retval None
*/
void USBD_ResetEPTxFlag(USBD_EP_T ep)
{
__IOM uint32_t reg;
reg = USBD->EP[ep].EP;
reg &= (uint32_t)(USBD_EP_MASK_DEFAULT);
reg &= ~USBD_EP_BIT_CTFT;
USBD->EP[ep].EP = reg;
}
/*!
* @brief Toggle Tx DTOG
*
* @param ep: Endpoint number
*
* @retval None
*/
void USBD_ToggleTx(USBD_EP_T ep)
{
__IOM uint32_t reg;
reg = USBD->EP[ep].EP;
reg &= (uint32_t)(USBD_EP_MASK_DEFAULT);
reg |= USBD_EP_BIT_TXDTOG;
USBD->EP[ep].EP = reg;
}
/*!
* @brief Toggle Rx DTOG
*
* @param ep: Endpoint number
*
* @retval None
*/
void USBD_ToggleRx(USBD_EP_T ep)
{
__IOM uint32_t reg;
reg = USBD->EP[ep].EP;
reg &= (uint32_t)(USBD_EP_MASK_DEFAULT);
reg |= USBD_EP_BIT_RXDTOG;
USBD->EP[ep].EP = reg;
}
/*!
* @brief Reset Toggle Tx DTOG
*
* @param ep: Endpoint number
*
* @retval None
*/
void USBD_ResetTxToggle(USBD_EP_T ep)
{
if(USBD->EP[ep].EP_B.TXDTOG)
{
USBD_ToggleTx(ep);
}
}
/*!
* @brief Reset Toggle Rx DTOG
*
* @param ep: Endpoint number
*
* @retval None
*/
void USBD_ResetRxToggle(USBD_EP_T ep)
{
if(USBD->EP[ep].EP_B.RXDTOG)
{
USBD_ToggleRx(ep);
}
}
/*!
* @brief Set EP address
*
* @param ep: Endpoint number
*
* @param addr: Address
*
* @retval None
*/
void USBD_SetEpAddr(USBD_EP_T ep, uint8_t addr)
{
__IOM uint32_t reg;
reg = USBD->EP[ep].EP;
reg &= (uint32_t)(USBD_EP_MASK_DEFAULT);
reg &= ~USBD_EP_BIT_ADDR;
reg |= addr;
USBD->EP[ep].EP = reg;
}
/*!
* @brief Set EP Tx status
*
* @param ep: Endpoint number
*
* @param status: status
*
* @retval None
*/
void USBD_SetEPTxStatus(USBD_EP_T ep, USBD_EP_STATUS_T status)
{
__IOM uint32_t reg;
uint32_t tmp;
tmp = status <<= 4;
reg = USBD->EP[ep].EP;
reg &= (uint32_t)(USBD_EP_MASK_DEFAULT | USBD_EP_BIT_TXSTS);
reg ^= (tmp & USBD_EP_BIT_TXSTS);
USBD->EP[ep].EP = reg;
}
/*!
* @brief Set EP Rx status
*
* @param ep: Endpoint number
*
* @param status: status
*
* @retval None
*/
void USBD_SetEPRxStatus(USBD_EP_T ep, USBD_EP_STATUS_T status)
{
__IOM uint32_t reg;
uint32_t tmp;
tmp = status << 12;
reg = USBD->EP[ep].EP;
reg &= (uint32_t)(USBD_EP_MASK_DEFAULT | USBD_EP_BIT_RXSTS);
reg ^= (tmp & USBD_EP_BIT_RXSTS);
USBD->EP[ep].EP = reg;
}
/*!
* @brief Set EP Rx and Txstatus
*
* @param ep: Endpoint number
*
* @param status: status
*
* @retval None
*/
void USBD_SetEPRxTxStatus(USBD_EP_T ep, USBD_EP_STATUS_T txStatus, USBD_EP_STATUS_T rxStatus)
{
__IOM uint32_t reg;
uint32_t tmp;
reg = USBD->EP[ep].EP;
reg &= (uint32_t)(USBD_EP_MASK_DEFAULT | USBD_EP_BIT_RXSTS | USBD_EP_BIT_TXSTS);
tmp = rxStatus << 12;
reg ^= (tmp & USBD_EP_BIT_RXSTS);
tmp = txStatus << 4;
reg ^= (tmp & USBD_EP_BIT_TXSTS);
USBD->EP[ep].EP = reg;
}
/*!
* @brief Set EP Rx Count
*
* @param ep: Endpoint number
*
* @param cnt: Rx count
*
* @retval None
*/
void USBD_SetEPRxCnt(USBD_EP_T ep, uint32_t cnt)
{
__IOM uint32_t *p;
__IOM uint32_t block = 0;
p = USBD_ReadEPRxCntPointer(ep);
if(cnt > 62)
{
block = cnt >> 5;
if(!(cnt & 0x1f))
{
block -= 1;
}
*p = (block << 10) | 0x8000;
}
else
{
block = cnt >> 1;
if(cnt & 0x01)
{
block += 1;
}
*p = (block << 10);
}
}
/*!
* @brief Write a buffer of data to a selected endpoint
*
* @param ep: Endpoint number
*
* @retval wBuf: The pointer to the buffer of data to be written to the endpoint
*
* @param wLen: Number of data to be written (in bytes)
*
* @retval None
*/
void USBD_WriteDataToEP(USBD_EP_T ep, uint8_t *wBuf, uint32_t wLen)
{
uint32_t i;
uint32_t *addrEP;
uint32_t tmp;
wLen = (wLen + 1) >> 1;
addrEP = (uint32_t *)((uint32_t)USBD_ReadEPTxAddr(ep));
addrEP = (uint32_t *)(((uint32_t)addrEP << 1) + USBD_PMA_ADDR);
for(i = 0; i < wLen; i++)
{
tmp = *wBuf++;
tmp = ((*wBuf++) << 8) | tmp;
*addrEP++ = tmp;
}
}
/*!
* @brief Read a buffer of data to a selected endpoint
*
* @param ep: Endpoint number
*
* @retval wBuf: The pointer to the buffer of data to be read to the endpoint
*
* @param wLen: Number of data to be read (in bytes)
*
* @retval None
*/
void USBD_ReadDataFromEP(USBD_EP_T ep, uint8_t *rBuf, uint32_t rLen)
{
uint32_t i;
uint32_t *addrEP;
uint32_t tmp;
rLen = (rLen + 1) >> 1;
addrEP = (uint32_t *)((uint32_t)USBD_ReadEPRxAddr(ep));
addrEP = (uint32_t *)(((uint32_t)addrEP << 1) + USBD_PMA_ADDR);
for(i = 0; i < rLen; i++)
{
tmp = *addrEP++;
*rBuf++ = tmp & 0XFF;
*rBuf++ = (tmp >> 8) & 0xff;
}
}
/**@} end of group USBD_Functions */
/**@} end of group USBD_Driver */
/**@} end of group APM32E10x_StdPeriphDriver */
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