uart.h

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/*
 *Module: Uart.h		串口程序
 *Programed by: ZHI-XIONG PENG
 *Programed on: Date: 2004-12-22 18:11
 *Modified  by:
 *Modified  on: Date:
 *Copyright (c) LONGFLY SHAOGUAN Inc. All rights reserved
*/

#ifndef UART_HEADER_FILE
#define UART_HEADER_FILE

#ifdef   UART_GLOBALS
#define  UART_EXT
#else
#define  UART_EXT  extern
#endif

#define  COMM0                  1
#define  COMM1                  2
                                                 /* ERROR CODES                                        */
#define  COMM_NO_ERR            0                /* Function call was successful                       */
#define  COMM_BAD_CH            1                /* Invalid communications port channel                */
#define  COMM_RX_EMPTY          2                /* Rx buffer is empty, no character available         */
#define  COMM_TX_FULL           3                /* Tx buffer is full, could not deposit character     */
#define  COMM_TX_EMPTY          4                /* If the Tx buffer is empty.                         */
#define  COMM_RX_TIMEOUT        5                /* If a timeout occurred while waiting for a character*/
#define  COMM_TX_TIMEOUT        6                /* If a timeout occurred while waiting to send a char.*/

#define  COMM_PARITY_NONE       0                /* Defines for setting parity                         */
#define  COMM_PARITY_ODD        1
#define  COMM_PARITY_EVEN       2

UART_EXT void Usart_init(void);
UART_EXT void Check_Frame(uchar c);

/*$PAGE*/
/*
*********************************************************************************************************
*                                          FUNCTION PROTOTYPES
*********************************************************************************************************
*/

#endif