uart.h

STC51系列的源码

/********************************************************************************/
/* filename : UART.h                                                            */
/* created  : xillinx                                                           */
/* descript : 处理与串口相关的事情                                              */
/********************************************************************************/
#ifndef __UART_H__
#define __UART_H__

#define UART_EACH_MSG_MAX   CFG_EACH_MSG_MAX
#define UART_RECV_BUF_MAX   CFG_RECV_BUF_MAX
#define UART_RECV_BUF_MSK   CFG_RECV_BUF_MSK
#define UART_SEND_BUF_MAX   CFG_SEND_BUF_MAX
#define UART_SEND_BUF_MSK   CFG_SEND_BUF_MSK

extern unsigned char UART_send_buffer[UART_SEND_BUF_MAX];
extern unsigned int  uart_xmit_wr;
extern unsigned int  uart_xmit_rd;
extern unsigned char data uart_xmit_start;

extern unsigned char UART_recv_buffer[UART_RECV_BUF_MAX];
extern unsigned char data uart_recv_wr;
extern unsigned char data uart_recv_rd;
extern unsigned char data uart_recv_start;

extern unsigned char code ascii_table[];

void UART_buffer_initilize(void);
void UART_printf(char * string,...);
void UART_putchar(char ch);
void UART_xmit_isr_process(void);
void UART_recv_isr_process(void);
void UART_put_int(unsigned int number);
void UART_put_double_char(unsigned char status, unsigned char hi,unsigned char lo);
void UART_print_ascii(unsigned char * buffer, unsigned char len);

#endif