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来自「Freescale 系列单片机常用模块与综合系统设计」· 代码 · 共 369 行 · 第 1/2 页

**         is returned and the value of variable pointed by the Rcv
**         parameter is set to the number of received characters.
**     Parameters  :
**         NAME            - DESCRIPTION
**       * Ptr             - Pointer to the block of received data
**         Size            - Size of the block
**       * Rcv             - Pointer to real number of the received
**                           data
**     Returns     :
**         ---             - Error code, possible codes:
**                           ERR_OK - OK
**                           ERR_SPEED - This device does not work in
**                           the active speed mode
**                           ERR_RXEMPTY - The receive buffer didn't
**                           contain the requested number of data.
**                           Only available data has been returned.
**                           ERR_COMMON - common error occurred (the
**                           GetError method can be used for error
**                           specification)
** ===================================================================
*/

byte Uart_SendBlock(Uart_TComData * Ptr,word Size,word *Snd);
/*
** ===================================================================
**     Method      :  Uart_SendBlock (bean AsynchroSerial)
**
**     Description :
**         Sends a block of characters to the channel.
**         This method is available only if non-zero length of the
**         output buffer is defined and the transmitter property is
**         enabled.
**     Parameters  :
**         NAME            - DESCRIPTION
**       * Ptr             - Pointer to the block of data to send
**         Size            - Size of the block
**       * Snd             - Pointer to number of data that are sent
**                           (moved to buffer)
**     Returns     :
**         ---             - Error code, possible codes:
**                           ERR_OK - OK
**                           ERR_SPEED - This device does not work in
**                           the active speed mode
**                           ERR_TXFULL - It was not possible to send
**                           requested number of bytes
** ===================================================================
*/

byte Uart_ClearRxBuf(void);
/*
** ===================================================================
**     Method      :  Uart_ClearRxBuf (bean AsynchroSerial)
**
**     Description :
**         Clears the receive buffer.
**         This method is available only if non-zero length of the
**         input buffer is defined and the receiver property is
**         enabled.
**     Parameters  : None
**     Returns     :
**         ---             - Error code, possible codes:
**                           ERR_OK - OK
**                           ERR_SPEED - This device does not work in
**                           the active speed mode
** ===================================================================
*/

byte Uart_ClearTxBuf(void);
/*
** ===================================================================
**     Method      :  Uart_ClearTxBuf (bean AsynchroSerial)
**
**     Description :
**         Clears the transmit buffer.
**         This method is available only if non-zero length of the
**         output buffer is defined and the receiver property is
**         enabled.
**     Parameters  : None
**     Returns     :
**         ---             - Error code, possible codes:
**                           ERR_OK - OK
**                           ERR_SPEED - This device does not work in
**                           the active speed mode
** ===================================================================
*/

#define Uart_GetCharsInRxBuf() \
((word) Uart_InpLen)                   /* Return number of chars in receive buffer */
/*
** ===================================================================
**     Method      :  Uart_GetCharsInRxBuf (bean AsynchroSerial)
**
**     Description :
**         Returns the number of characters in the input buffer.
**         This method is available only if the receiver property is
**         enabled.
**     Parameters  : None
**     Returns     :
**         ---             - The number of characters in the input
**                           buffer.
** ===================================================================
*/

#define Uart_GetCharsInTxBuf() \
((word) Uart_OutLen)                   /* Return number of chars in the transmitter buffer */
/*
** ===================================================================
**     Method      :  Uart_GetCharsInTxBuf (bean AsynchroSerial)
**
**     Description :
**         Returns the number of characters in the output buffer.
**         This method is available only if the transmitter property
**         is enabled.
**     Parameters  : None
**     Returns     :
**         ---             - The number of characters in the output
**                           buffer.
** ===================================================================
*/

__interrupt void Uart_InterruptRx(void);
/*
** ===================================================================
**     Method      :  Uart_InterruptRx (bean AsynchroSerial)
**
**     Description :
**         The method services the receive interrupt of the selected 
**         peripheral(s) and eventually invokes the bean's event(s).
**         This method is internal. It is used by Processor Expert only.
** ===================================================================
*/

__interrupt void Uart_InterruptTx(void);
/*
** ===================================================================
**     Method      :  Uart_InterruptTx (bean AsynchroSerial)
**
**     Description :
**         The method services the receive interrupt of the selected 
**         peripheral(s) and eventually invokes the bean's event(s).
**         This method is internal. It is used by Processor Expert only.
** ===================================================================
*/

__interrupt void Uart_InterruptError(void);
/*
** ===================================================================
**     Method      :  Uart_InterruptError (bean AsynchroSerial)
**
**     Description :
**         The method services the error interrupt of the selected 
**         peripheral(s) and eventually invokes the bean's event(s).
**         This method is internal. It is used by Processor Expert only.
** ===================================================================
*/


void Uart_Init(void);
/*
** ===================================================================
**     Method      :  Uart_Init (bean AsynchroSerial)
**
**     Description :
**         Initializes the associated peripheral(s) and the bean internal 
**         variables. The method is called automatically as a part of the 
**         application initialization code.
**         This method is internal. It is used by Processor Expert only.
** ===================================================================
*/


/* END Uart. */

/*
** ###################################################################
**
**     This file was created by UNIS Processor Expert 3.03 [04.07]
**     for the Freescale HCS08 series of microcontrollers.
**
** ###################################################################
*/

#endif /* ifndef __Uart */