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/**
******************************************************************************
* @file lib_uart.h
* @author Application Team
* @version V1.1.0
* @date 2019-10-28
* @brief UART library.
******************************************************************************
* @attention
*
******************************************************************************
*/
#ifndef __LIB_UART_H
#define __LIB_UART_H
#ifdef __cplusplus
extern "C" {
#endif
#include "target.h"
//UART Init struct
typedef struct
{
uint32_t Mode;
uint32_t Parity;
uint32_t FirstBit;
uint32_t Baudrate;
} UART_InitType;
//Mode
#define UART_MODE_RX (0x1U << UART_CTRL_RXEN_Pos)
#define UART_MODE_TX (0x1U << UART_CTRL_TXEN_Pos)
#define UART_MODE_OFF 0
#define UART_MODE_Msk (UART_MODE_RX | UART_MODE_TX)
//Parity
#define UART_PARITY_EVEN (0x1U << UART_CTRL2_PMODE_Pos)
#define UART_PARITY_ODD (0x3U << UART_CTRL2_PMODE_Pos)
#define UART_PARITY_0 (0x5U << UART_CTRL2_PMODE_Pos)
#define UART_PARITY_1 (0x7U << UART_CTRL2_PMODE_Pos)
#define UART_PARITY_NONE (0x0U << UART_CTRL2_PMODE_Pos)
//FirstBit
#define UART_FIRSTBIT_LSB 0
#define UART_FIRSTBIT_MSB (0x1U << UART_CTRL2_MSB_Pos)
//UART Configration Information struct
typedef struct
{
uint32_t Mode_Transmit :1; //1: TX Enable; 0: TX Disable
uint32_t Mode_Receive :1; //1: RX Enable; 0: RX Disable
uint32_t Baudrate; //The value of current budrate
uint8_t Parity; //0:1+8+1 mode; 1: Even parity; 3:Odd parity; 5: parity bit=0; 7: parity bit=1;
uint8_t FirstBit; //0: LSB transmit first; 1: MSB transmit first
} UART_ConfigINFOType;
//status
#define UART_FLAG_DMATXDONE (0x1U << UART_STATE_DMATXDONE_Pos)
#define UART_FLAG_RXPARITY (0x1U << UART_STATE_RXPSTS_Pos)
#define UART_FLAG_TXDONE (0x1U << UART_STATE_TXDONE_Pos)
#define UART_FLAG_RXPE (0x1U << UART_STATE_RXPE_Pos)
#define UART_FLAG_RXOV (0x1U << UART_STATE_RXOV_Pos)
#define UART_FLAG_TXOV (0x1U << UART_STATE_TXOV_Pos)
#define UART_FLAG_RXFULL (0x1U << UART_STATE_RXFULL_Pos)
#define UART_FLAG_RCMsk (UART_FLAG_DMATXDONE \
|UART_FLAG_TXDONE \
|UART_FLAG_RXPE \
|UART_FLAG_RXOV \
|UART_FLAG_RXFULL \
|UART_FLAG_TXOV)
//interrupt
#define UART_INT_TXDONE (0x1U << UART_CTRL_TXDONEIE_Pos)
#define UART_INT_RXPE (0x1U << UART_CTRL_RXPEIE_Pos)
#define UART_INT_RXOV (0x1U << UART_CTRL_RXOVIE_Pos)
#define UART_INT_TXOV (0x1U << UART_CTRL_TXOVIE_Pos)
#define UART_INT_RX (0x1U << UART_CTRL_RXIE_Pos)
#define UART_INT_Msk (UART_INT_TXDONE \
|UART_INT_RXPE \
|UART_INT_RXOV \
|UART_INT_TXOV \
|UART_INT_RX)
//INTStatus
#define UART_INTSTS_TXDONE (0x1U << UART_INTSTS_TXDONEIF_Pos)
#define UART_INTSTS_RXPE (0x1U << UART_INTSTS_RXPEIF_Pos)
#define UART_INTSTS_RXOV (0x1U << UART_INTSTS_RXOVIF_Pos)
#define UART_INTSTS_TXOV (0x1U << UART_INTSTS_TXOVIF_Pos)
#define UART_INTSTS_RX (0x1U << UART_INTSTS_RXIF_Pos)
#define UART_INTSTS_Msk (UART_INTSTS_TXDONE \
|UART_INTSTS_RXPE \
|UART_INTSTS_RXOV \
|UART_INTSTS_TXOV \
|UART_INTSTS_RX)
/* Private macros ------------------------------------------------------------*/
#define IS_UART_MODE(__MODE__) (((((__MODE__) & UART_MODE_Msk) != 0U) && (((__MODE__) & ~UART_MODE_Msk) == 0U)))
#define IS_UART_PARITY(__PARITY__) (((__PARITY__) == UART_PARITY_EVEN) ||\
((__PARITY__) == UART_PARITY_ODD) ||\
((__PARITY__) == UART_PARITY_0) ||\
((__PARITY__) == UART_PARITY_1) ||\
((__PARITY__) == UART_PARITY_NONE))
#define IS_UART_FIRSTBIT(__FIRSTBIT__) (((__FIRSTBIT__) == UART_FIRSTBIT_LSB) ||\
((__FIRSTBIT__) == UART_FIRSTBIT_MSB))
#define IS_UART_BAUDRATE(__BAUDRATE__) ((300UL <= (__BAUDRATE__)) &&\
((__BAUDRATE__) <= 819200UL))
#define IS_UART_FLAGR(__FLAGR__) (((__FLAGR__) == UART_FLAG_DMATXDONE) ||\
((__FLAGR__) == UART_FLAG_RXPARITY) ||\
((__FLAGR__) == UART_FLAG_TXDONE) ||\
((__FLAGR__) == UART_FLAG_RXPE) ||\
((__FLAGR__) == UART_FLAG_RXOV) ||\
((__FLAGR__) == UART_FLAG_TXOV) ||\
((__FLAGR__) == UART_FLAG_RXFULL))
#define IS_UART_FLAGC(__FLAGC__) ((((__FLAGC__) & UART_FLAG_RCMsk) != 0U) &&\
(((__FLAGC__) & ~UART_FLAG_RCMsk) == 0U))
#define IS_UART_INT(__INT__) ((((__INT__) & UART_INT_Msk) != 0U) &&\
(((__INT__) & ~UART_INT_Msk) == 0U))
#define IS_UART_INTFLAGR(__INTFLAGR__) (((__INTFLAGR__) == UART_INTSTS_TXDONE) ||\
((__INTFLAGR__) == UART_INTSTS_RXPE) ||\
((__INTFLAGR__) == UART_INTSTS_RXOV) ||\
((__INTFLAGR__) == UART_INTSTS_TXOV) ||\
((__INTFLAGR__) == UART_INTSTS_RX))
#define IS_UART_INTFLAGC(__INTFLAGC__) ((((__INTFLAGC__) & UART_INTSTS_Msk) != 0U) &&\
(((__INTFLAGC__) & ~UART_INTSTS_Msk) == 0U))
/****************************** UART Instances ********************************/
#define IS_UART_ALL_INSTANCE(INSTANCE) (((INSTANCE) == UART0) || \
((INSTANCE) == UART1) || \
((INSTANCE) == UART2) || \
((INSTANCE) == UART3) || \
((INSTANCE) == UART4) || \
((INSTANCE) == UART5))
/* Exported Functions ------------------------------------------------------- */
/* UART Exported Functions Group1:
Initialization and functions --------------*/
void UART_DeInit(UART_Type *UARTx);
void UART_Init(UART_Type *UARTx, UART_InitType *InitStruct);
void UART_StructInit(UART_InitType *InitStruct);
/* UART Exported Functions Group2:
(Interrupt) Flag --------------------------*/
uint8_t UART_GetFlag(UART_Type *UARTx, uint32_t FlagMask);
void UART_ClearFlag(UART_Type *UARTx, uint32_t FlagMask);
void UART_INTConfig(UART_Type *UARTx, uint32_t INTMask, uint8_t NewState);
uint8_t UART_GetINTStatus(UART_Type *UARTx, uint32_t INTMask);
void UART_ClearINTStatus(UART_Type *UARTx, uint32_t INTMask);
/* UART Exported Functions Group3:
Transfer datas ----------------------------*/
void UART_SendData(UART_Type *UARTx, uint8_t ch);
uint8_t UART_ReceiveData(UART_Type *UARTx);
/* UART Exported Functions Group4:
MISC Configuration ------------------------*/
void UART_BaudrateConfig(UART_Type *UARTx, uint32_t BaudRate);
void UART_Cmd(UART_Type *UARTx, uint32_t Mode, uint32_t NewState);
void UART_GetConfigINFO(UART_Type *UARTx, UART_ConfigINFOType *ConfigInfo);
#ifdef __cplusplus
}
#endif
#endif /* __LIB_UART_H */
/*********************************** END OF FILE ******************************/
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