uart.h
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微处理器开发
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C/C++
- /******************** (C) COPYRIGHT 2003 STMicroelectronics ********************
- * File Name : uart.h
- * Author : MCD Application Team
- * Date First Issued : 16/05/2003
- * Description : This file contains all the functions prototypes for the
- * UART software library.
- ********************************************************************************
- * History:
- * 01/01/2004 : V1.2
- * 14/07/2004 : V1.3
- *******************************************************************************/
- #ifndef _UART_H
- #define _UART_H
- #include "71x_lib.h"
- #ifndef _RCCU
- #error _RCCU must be defined
- #endif
- #ifdef DEBUG
- #ifndef _PCU
- #error _PCU must be defined
- #endif
- #endif /* DEBUG */
- typedef enum
- {
- UART_RxFIFO,
- UART_TxFIFO
- } UARTFIFO_TypeDef;
- typedef enum
- {
- UART_EVEN_PARITY = 0x0000,
- UART_ODD_PARITY = 0x0020,
- UART_NO_PARITY
- } UARTParity_TypeDef;
- typedef enum
- {
- UART_0_5_StopBits = 0x00,
- UART_1_StopBits = 0x08,
- UART_1_5_StopBits = 0x10,
- UART_2_StopBits = 0x18
- } UARTStopBits_TypeDef;
- typedef enum
- {
- UARTM_8D = 0x01,
- UARTM_7D_P = 0x03,
- UARTM_9D = 0x04,
- UARTM_8D_W = 0x05,
- UARTM_8D_P = 0x07
- } UARTMode_TypeDef;
- #define DUMMY 0
- // UART flags definition
- #define UART_TxFull 0x0200
- #define UART_RxHalfFull 0x0100
- #define UART_TimeOutIdle 0x0080
- #define UART_TimeOutNotEmpty 0x0040
- #define UART_OverrunError 0x0020
- #define UART_FrameError 0x0010
- #define UART_ParityError 0x0008
- #define UART_TxHalfEmpty 0x0004
- #define UART_TxEmpty 0x0002
- #define UART_RxBufFull 0x0001
- // CR regiter bit definition
- #define UART_FIFOEnableBit 10
- #define UART_RxEnableBit 8
- #define UART_RunBit 7
- #define UART_LoopBackBit 6
- #define UART_ParityOddBit 5
- #define UART_StopBits 3
- // Stop bits definition
- #define UART_05StopBits 0x00
- #define UART_1StopBit (0x01<<3)
- #define UART_15StopBits (0x02<<3)
- #define UART_2StopBits (0x03<<3)
- // Modes definition
- #define UART_8BitsData 0x01
- #define UART_7BitsData 0x03
- #define UART_9BitsData 0x04
- #define UART_8BitsDataWakeUp 0x05
- #define UART_8BitsDataParity 0x07
- /*******************************************************************************
- * Function Name : UART_Init
- * Description : This function initializes the selected UART.
- * Input 1 : UARTx (x can be 0,1, 2 or 3) the desired UART
- * Output : None
- * Return : None
- *******************************************************************************/
- void UART_Init(UART_TypeDef *UARTx);
- /*******************************************************************************
- * Function Name : UART_ModeConfig
- * Description : This function configures the mode of the selected UART.
- * Input 1 : UARTx (x can be 0,1, 2 or 3) the desired UART
- * Input 2 : The UART mode
- * Output : None
- * Return : None
- *******************************************************************************/
- inline void UART_ModeConfig(UART_TypeDef *UARTx, UARTMode_TypeDef UART_Mode)
- {
- UARTx->CR = (UARTx->CR&0xFFF8)|(u16)UART_Mode;
- }
- /*******************************************************************************
- * Function Name : UART_BaudRateConfig
- * Description : This function configures the baud rate of the selected UART.
- * Input 1 : UARTx (x can be 0,1, 2 or 3) the desired UART
- * Input 2 : The baudrate value
- * Output : None
- * Return : None
- *******************************************************************************/
- void UART_BaudRateConfig(UART_TypeDef *UARTx, u32 BaudRate);
- /*******************************************************************************
- * Function Name : UART_ParityConfig
- * Description : This function configures the data parity of the selected UART.
- * Input 1 : UARTx (x can be 0,1, 2 or 3) the desired UART
- * Input 2 : The parity type
- * Output : None
- * Return : None
- *******************************************************************************/
- inline void UART_ParityConfig(UART_TypeDef *UARTx, UARTParity_TypeDef Parity)
- {
- UARTx->CR = (UARTx->CR&0xFFDF)|(u16)Parity;
- }
- /*******************************************************************************
- * Function Name : UART_StopBitsConfig
- * Description : This function configures the number of stop bits of the
- * selected UART.
- * Input 1 : UARTx (x can be 0,1, 2 or 3) the desired UART
- * Input 2 : The number of stop bits
- * Output : None
- * Return : None
- *******************************************************************************/
- inline void UART_StopBitsConfig(UART_TypeDef *UARTx, UARTStopBits_TypeDef StopBits)
- {
- UARTx->CR = (UARTx->CR&0xFFE7)|(u16)StopBits;
- }
- /*******************************************************************************
- * Function Name : UART_Config
- * Description : This function configures the baudrate, the mode, the data
- * parity and the number of stop bits of the selected UART.
- * Input 1 : UARTx (x can be 0,1, 2 or 3) the desired UART
- * Input 2 : The baudrate value
- * Input 3 : The parity type
- * Input 4 : The number of stop bits
- * Input 5 : The UART mode
- * Output : None
- * Return : None
- *******************************************************************************/
- void UART_Config(UART_TypeDef *UARTx, u32 BaudRate, UARTParity_TypeDef Parity,
- UARTStopBits_TypeDef StopBits, UARTMode_TypeDef Mode);
- /*******************************************************************************
- * Function Name : UART_ItConfig
- * Description : This function enables or disables the interrupts of the
- * selected UART.
- * Input 1 : UARTx (x can be 0,1, 2 or 3) the desired UART
- * Input 2 : The new interrupt flag
- * Input 3 : ENABLE or DISABLE
- * Output : None
- * Return : None
- *******************************************************************************/
- void UART_ItConfig(UART_TypeDef *UARTx, u16 UART_Flag, FunctionalState NewState);
- /*******************************************************************************
- * Function Name : UART_FifoConfig
- * Description : This function enables or disables the Rx and Tx FIFOs of
- * the selected UART.
- * Input 1 : UARTx (x can be 0,1, 2 or 3) the desired UART
- * Input 2 : ENABLE or DISABLE
- * Output : None
- * Return : None
- *******************************************************************************/
- void UART_FifoConfig(UART_TypeDef *UARTx, FunctionalState NewState);
- /*******************************************************************************
- * Function Name : UART_FifoReset
- * Description : This function resets the Rx and the Tx FIFOs of the
- * selected UART.
- * Input 1 : UARTx (x can be 0,1, 2 or 3) the desired UART
- * Input 2 : RxFIFO or TxFIFO
- * Output : None
- * Return : None
- *******************************************************************************/
- void UART_FifoReset(UART_TypeDef *UARTx, UARTFIFO_TypeDef FIFO);
- /*******************************************************************************
- * Function Name : UART_LoopBackConfig
- * Description : This function enables or disables the loop back mode of
- * the selected UART.
- * Input 1 : UARTx (x can be 0,1, 2 or 3) the desired UART
- * Input 2 : ENABLE or DISABLE
- * Output : None
- * Return : None
- *******************************************************************************/
- void UART_LoopBackConfig(UART_TypeDef *UARTx, FunctionalState NewState);
- /*******************************************************************************
- * Function Name : UART_TimeOutPeriodConfig
- * Description : This function configure the Time Out Period.
- * Input 1 : UARTx (x can be 0,1, 2 or 3) the desired UART
- * Input 2 : The time-out period value
- * Output : None
- * Return : None
- *******************************************************************************/
- inline void UART_TimeOutPeriodConfig(UART_TypeDef *UARTx, u16 TimeOutPeriod)
- {
- UARTx->TOR = TimeOutPeriod;
- }
- /*******************************************************************************
- * Function Name : UART_GuardTimeConfig
- * Description : This function configure the Guard Time.
- * Input 1 : UARTx (x can be 0,1, 2 or 3) the desired UART
- * Input 2 : The guard time value
- * Output : None
- * Return : None
- *******************************************************************************/
- inline void UART_GuardTimeConfig(UART_TypeDef *UARTx, u16 GuardTime)
- {
- UARTx->GTR = GuardTime;
- }
- /*******************************************************************************
- * Function Name : UART_RxConfig
- * Description : This function enable and disable the UART data reception.
- * Input 1 : UARTx (x can be 0,1, 2 or 3) the desired UART
- * Input 2 : ENABLE or DISABLE
- * Output : None
- * Return : None
- *******************************************************************************/
- void UART_RxConfig(UART_TypeDef *UARTx, FunctionalState NewState);
- /*******************************************************************************
- * Function Name : UART_OnOffConfig
- * Description : This function sets On/Off the selected UART.
- * Input 1 : UARTx (x can be 0,1, 2 or 3) the desired UART
- * Input 2 : ENABLE or DISABLE
- * Output : None
- * Return : None
- *******************************************************************************/
- void UART_OnOffConfig(UART_TypeDef *UARTx, FunctionalState NewState);
- /*******************************************************************************
- * Function Name : UART_ByteSend
- * Description : This function sends a data byte to the selected UART.
- * Input 1 : UARTx (x can be 0,1, 2 or 3) the desired UART
- * Input 2 : A pointer to the data byte to send
- * Output : None
- * Return : None
- *******************************************************************************/
- void UART_ByteSend(UART_TypeDef *UARTx, u8 *Data);
- /*******************************************************************************
- * Function Name : UART_9BitByteSend
- * Description : This function sends a 9 bits data byte to the selected UART.
- * Input 1 : UARTx (x can be 0,1, 2 or 3) the desired UART
- * Input 2 : A pointer to the data to send
- * Output : None
- * Return : None
- *******************************************************************************/
- void UART_9BitByteSend(UART_TypeDef *UARTx, u16 *Data);
- /*******************************************************************************
- * Function Name : UART_DataSend
- * Description : This function sends several data bytes to the selected UART.
- * Input 1 : UARTx (x can be 0,1, 2 or 3) the desired UART
- * Input 2 : A pointer to the data to send
- * Input 3 : The data length in bytes
- * Output : None
- * Return : None
- *******************************************************************************/
- void UART_DataSend(UART_TypeDef *UARTx, u8 *Data, u8 DataLength);
- /*******************************************************************************
- * Function Name : UART_9BitDataSend
- * Description : This function sends several 9 bits data bytes to the selected UART.
- * Input 1 : UARTx (x can be 0,1, 2 or 3) the desired UART
- * Input 2 : A pointer to the data to send
- * Input 3 : The data length
- * Output : None
- * Return : None
- *******************************************************************************/
- void UART_9BitDataSend(UART_TypeDef *UARTx, u16 *Data, u8 DataLength);
- /*******************************************************************************
- * Function Name : UART_StringSend
- * Description : This function sends a string to the selected UART.
- * Input 1 : UARTx (x can be 0,1, 2 or 3) the desired UART
- * Input 2 : A pointer to the string to send
- * Output : None
- * Return : None
- *******************************************************************************/
- void UART_StringSend(UART_TypeDef *UARTx, u8 *String);
- /*******************************************************************************
- * Function Name : UART_ByteReceive
- * Description : This function gets a data byte from the selected UART.
- * Input 1 : UARTx (x can be 0,1, 2 or 3) the desired UART
- * Input 2 : A pointer to the buffer where the data will be stored
- * Input 3 : The time-out period
- * Output : The received data
- * Return : The UARTx.SR register contents
- *******************************************************************************/
- u16 UART_ByteReceive(UART_TypeDef *UARTx, u8 *Data, u8 TimeOut);
- /*******************************************************************************
- * Function Name : UART_9BitByteReceive
- * Description : This function gets a 9 bits data byte from the selected UART.
- * Input 1 : UARTx (x can be 0,1, 2 or 3) the desired UART
- * Input 2 : A pointer to the buffer where the data will be stored
- * Input 3 : The time-out period value
- * Output : The received data
- * Return : The UARTx.SR register contents
- *******************************************************************************/
- u16 UART_9BitByteReceive(UART_TypeDef *UARTx, u16 *Data, u8 TimeOut);
- /*******************************************************************************
- * Function Name : UART_DataReceive
- * Description : This function gets 8 bits data bytes from the selected UART.
- * Input 1 : UARTx (x can be 0,1, 2 or 3) the desired UART
- * Input 2 : A pointer to the buffer where the data will be stored
- * Input 3 : The data length
- * Input 4 : The time-out period value
- * Output : The received data
- * Return : The UARTx.SR register contents
- *******************************************************************************/
- u16 UART_DataReceive(UART_TypeDef *UARTx, u8 *Data, u8 DataLength, u8 TimeOut);
- /*******************************************************************************
- * Function Name : UART_9BitDataReceive
- * Description : This function gets 9 bits data bytes from the selected UART.
- * Input 1 : UARTx (x can be 0,1, 2 or 3) the desired UART
- * Input 2 : A pointer to the buffer where the data will be stored
- * Input 3 : The data length
- * Input 4 : The time-out value
- * Output : The received data
- * Return : The UARTx.SR register contents
- *******************************************************************************/
- u16 UART_9BitDataReceive(UART_TypeDef *UARTx, u16 *Data, u8 DataLength, u8 TimeOut);
- /*******************************************************************************
- * Function Name : UART_StringReceive
- * Description : This function gets 8 bits data bytes from the selected UART.
- * Input 1 : UARTx (x can be 0,1, 2 or 3) the desired UART
- * Input 2 : A pointer to the buffer where the string will be stored
- * Output : None
- * Return : None
- *******************************************************************************/
- u16 UART_StringReceive(UART_TypeDef *UARTx, u8 *Data);
- /*******************************************************************************
- * Function Name : UART_FlagStatus
- * Description : This function gets the flags status of the selected UART.
- * Input 1 : UARTx (x can be 0,1, 2 or 3) the desired UART
- * Output : None
- * Return : None
- *******************************************************************************/
- inline u16 UART_FlagStatus(UART_TypeDef *UARTx)
- {
- return UARTx->SR;
- }
- #ifdef USE_SERIAL_PORT
- /*******************************************************************************
- * Function Name : sendchar
- * Description : This function sends a character to the selected UART.
- * Input 1 : A pointer to the character to send.
- * Output : None
- * Return : None
- *******************************************************************************/
- void sendchar( char *ch );
- #endif /* USE_SERIAL_PORT */
- #endif /* _UART_H */
- /******************* (C) COPYRIGHT 2003 STMicroelectronics *****END OF FILE****/