93 lines
3.8 KiB
C
93 lines
3.8 KiB
C
#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
|
||
|
||
|
||
/* 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);
|
||
|
||
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__
|