uart.h

freemodbus-v1-1-1-0.zip v1.1.1版本的代码 支持多个平台

* 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****/