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/**
******************************************************************************
* @file lib_uart.h
* @author Application Team
* @version V4.4.0
* @date 2018-09-27
* @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 WordLen;
uint32_t FirstBit;
uint32_t Baudrate;
} UART_InitType;
//Mode
#define UART_MODE_RX UART_CTRL_RXEN
#define UART_MODE_TX UART_CTRL_TXEN
#define UART_MODE_OFF 0
#define UART_MODE_Msk (UART_CTRL_RXEN | UART_CTRL_TXEN)
//Parity
#define UART_PARITY_EVEN UART_CTRL2_PMODE_EVEN
#define UART_PARITY_ODD UART_CTRL2_PMODE_ODD
#define UART_PARITY_0 UART_CTRL2_PMODE_0
#define UART_PARITY_1 UART_CTRL2_PMODE_1
#define UART_PARITY_NONE 0
//WordLen
#define UART_WORDLEN_8B 0
#define UART_WORDLEN_9B UART_CTRL2_MODE
//FirstBit
#define UART_FIRSTBIT_LSB 0
#define UART_FIRSTBIT_MSB UART_CTRL2_MSB
//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: parity bit=0; 1: parity bit=1; 2: Even parity; 3:Odd parity
uint8_t WordLen; //8: data bits=8; 9: data bits=9
uint8_t FirstBit; //0: LSB transmit first; 1: MSB transmit first
} UART_ConfigINFOType;
//status
#define UART_FLAG_RXPARITY UART_STATE_RXPSTS
#define UART_FLAG_TXDONE UART_STATE_TXDONE
#define UART_FLAG_RXPE UART_STATE_RXPE
#define UART_FLAG_RXOV UART_STATE_RXOV
#define UART_FLAG_TXOV UART_STATE_TXOV
#define UART_FLAG_RXFULL UART_STATE_RXFULL
#define UART_FLAG_RCMsk (UART_FLAG_TXDONE \
|UART_FLAG_RXPE \
|UART_FLAG_RXOV \
|UART_STATE_RXFULL\
|UART_FLAG_TXOV)
//interrupt
#define UART_INT_TXDONE UART_CTRL_TXDONEIE
#define UART_INT_RXPE UART_CTRL_RXPEIE
#define UART_INT_RXOV UART_CTRL_RXOVIE
#define UART_INT_TXOV UART_CTRL_TXOVIE
#define UART_INT_RX UART_CTRL_RXIE
#define UART_INT_Msk (UART_INT_TXDONE \
|UART_INT_RXPE \
|UART_INT_RXOV \
|UART_INT_TXOV \
|UART_INT_RX)
//INTStatus
#define UART_INTSTS_TXDONE UART_INTSTS_TXDONEIF
#define UART_INTSTS_RXPE UART_INTSTS_RXPEIF
#define UART_INTSTS_RXOV UART_INTSTS_RXOVIF
#define UART_INTSTS_TXOV UART_INTSTS_TXOVIF
#define UART_INTSTS_RX UART_INTSTS_RXIF
#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)) ||\
((__MODE__) == UART_MODE_OFF))
#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_WORDLEN(__WORDLEN__) (((__WORDLEN__) == UART_WORDLEN_8B) ||\
((__WORDLEN__) == UART_WORDLEN_9B))
#define IS_UART_FIRSTBIT(__FIRSTBIT__) (((__FIRSTBIT__) == UART_FIRSTBIT_LSB) ||\
((__FIRSTBIT__) == UART_FIRSTBIT_MSB))
#define IS_UART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) < 0x100000UL)
#define IS_UART_FLAGR(__FLAGR__) (((__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))
/* Exported Functions ------------------------------------------------------- */
/* UART Exported Functions Group1:
Initialization and functions --------------*/
void UART_DeInit(UART_TypeDef *UARTx);
void UART_Init(UART_TypeDef *UARTx, UART_InitType *InitStruct);
void UART_StructInit(UART_InitType *InitStruct);
/* UART Exported Functions Group2:
(Interrupt) Flag --------------------------*/
uint8_t UART_GetFlag(UART_TypeDef *UARTx, uint32_t FlagMask);
void UART_ClearFlag(UART_TypeDef *UARTx, uint32_t FlagMask);
void UART_INTConfig(UART_TypeDef *UARTx, uint32_t INTMask, uint8_t NewState);
uint8_t UART_GetINTStatus(UART_TypeDef *UARTx, uint32_t INTMask);
void UART_ClearINTStatus(UART_TypeDef *UARTx, uint32_t INTMask);
/* UART Exported Functions Group3:
Transfer datas ----------------------------*/
void UART_SendData(UART_TypeDef *UARTx, uint8_t ch);
uint8_t UART_ReceiveData(UART_TypeDef *UARTx);
/* UART Exported Functions Group4:
MISC Configuration ------------------------*/
void UART_BaudrateConfig(UART_TypeDef *UARTx, uint32_t BaudRate);
void UART_Cmd(UART_TypeDef *UARTx, uint32_t Mode, uint32_t NewState);
void UART_GetConfigINFO(UART_TypeDef *UARTx, UART_ConfigINFOType *ConfigInfo);
#ifdef __cplusplus
}
#endif
#endif /* __LIB_UART_H */
/*********************************** END OF FILE ******************************/
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