rt-thread/bsp/synwit/swm341/libraries/SWM341_StdPeriph_Driver/SWM341_uart.h

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#ifndef __SWM341_UART_H__
#define __SWM341_UART_H__
typedef struct {
uint32_t Baudrate;
uint8_t DataBits; //数据位位数可取值UART_DATA_8BIT、UART_DATA_9BIT
uint8_t Parity; //奇偶校验位可取值UART_PARITY_NONE、UART_PARITY_ODD、UART_PARITY_EVEN、UART_PARITY_ONE、UART_PARITY_ZERO
uint8_t StopBits; //停止位位数可取值UART_STOP_1BIT、UART_STOP_2BIT
uint8_t RXThreshold; //取值0--7
uint8_t RXThresholdIEn; //当RX FIFO中数据个数 > RXThreshold时触发中断
uint8_t TXThreshold; //取值0--7
uint8_t TXThresholdIEn; //当TX FIFO中数据个数 <= TXThreshold时触发中断
uint8_t TimeoutTime; //超时时长 = TimeoutTime/(Baudrate/10) 秒
uint8_t TimeoutIEn; //超时中断,超过 TimeoutTime/(Baudrate/10) 秒没有在RX线上接收到数据时触发中断
} UART_InitStructure;
#define UART_DATA_8BIT 0
#define UART_DATA_9BIT 1
#define UART_PARITY_NONE 0
#define UART_PARITY_ODD 1
#define UART_PARITY_EVEN 3
#define UART_PARITY_ONE 5
#define UART_PARITY_ZERO 7
#define UART_STOP_1BIT 0
#define UART_STOP_2BIT 1
#define UART_RTS_1BYTE 0
#define UART_RTS_2BYTE 1
#define UART_RTS_4BYTE 2
#define UART_RTS_6BYTE 3
#define UART_ABR_RES_OK 1
#define UART_ABR_RES_ERR 2
#define UART_ERR_FRAME 1
#define UART_ERR_PARITY 2
#define UART_ERR_NOISE 3
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/* Interrupt Type */
#define UART_IT_RX_THR (1 << UART_CTRL_RXIE_Pos) //RX FIFO Threshold, RX FIFO中数据个数 > RXThreshold
#define UART_IT_RX_TOUT (1 << UART_CTRL_TOIE_Pos) //RX Timeout, 超过 TimeoutTime/(Baudrate/10) 秒没有在RX线上接收到数据
#define UART_IT_TX_THR (1 << UART_CTRL_TXIE_Pos) //TX FIFO Threshold, TX FIFO中数据个数 <= TXThreshold
#define UART_IT_TX_DONE (1 << UART_CTRL_TXDOIE_Pos) //TX Done, 发送FIFO空且发送发送移位寄存器已将最后一位发送出去
void UART_Init(UART_TypeDef * UARTx, UART_InitStructure * initStruct); //UART串口初始化
void UART_Open(UART_TypeDef * UARTx);
void UART_Close(UART_TypeDef * UARTx);
void UART_WriteByte(UART_TypeDef * UARTx, uint8_t data); //发送一个字节数据
uint32_t UART_ReadByte(UART_TypeDef * UARTx, uint32_t * data); //读取一个字节数据并指出数据是否Valid
uint32_t UART_IsTXBusy(UART_TypeDef * UARTx);
uint32_t UART_IsRXFIFOEmpty(UART_TypeDef * UARTx); //接收FIFO是否空如果不空则可以继续UART_ReadByte()
uint32_t UART_IsTXFIFOFull(UART_TypeDef * UARTx); //发送FIFO是否满如果不满则可以继续UART_WriteByte()
void UART_SetBaudrate(UART_TypeDef * UARTx, uint32_t baudrate); //设置波特率
uint32_t UART_GetBaudrate(UART_TypeDef * UARTx); //获取当前使用的波特率
void UART_CTSConfig(UART_TypeDef * UARTx, uint32_t enable, uint32_t polarity);
uint32_t UART_CTSLineState(UART_TypeDef * UARTx);
void UART_RTSConfig(UART_TypeDef * UARTx, uint32_t enable, uint32_t polarity, uint32_t threshold);
uint32_t UART_RTSLineState(UART_TypeDef * UARTx);
void UART_LINConfig(UART_TypeDef * UARTx, uint32_t detectedLen, uint32_t detectedIEn, uint32_t generatedLen, uint32_t generatedIEn);
void UART_LINGenerate(UART_TypeDef * UARTx);
uint32_t UART_LINIsDetected(UART_TypeDef * UARTx);
uint32_t UART_LINIsGenerated(UART_TypeDef * UARTx);
void UART_ABRStart(UART_TypeDef * UARTx, uint32_t detectChar);
uint32_t UART_ABRIsDone(UART_TypeDef * UARTx);
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void UART_INTEn(UART_TypeDef * UARTx, uint32_t it);
void UART_INTDis(UART_TypeDef * UARTx, uint32_t it);
void UART_INTClr(UART_TypeDef * UARTx, uint32_t it);
uint32_t UART_INTStat(UART_TypeDef * UARTx, uint32_t it);
#endif //__SWM341_UART_H__