uart.c

监控行业车辆检测器源代码

#include "STC12C5410AD.h"

#include "app.h"
#include <string.h>
#include <stdio.h>
#include <intrins.h>

unsigned char UartBuffer[20];
unsigned char *pUartDebug = UartBuffer;
unsigned char UARTRECSIZE;

unsigned char     uartflag=0;
extern  unsigned char  phone_send;
extern  unsigned char phonecode[12];		   //长度+存电话号码

void Uart_Done(unsigned char size);
void UartPrintOut(unsigned char  *pData,unsigned char size);	 
extern void delay_n_ms( unsigned int n_milisecond)    ;

void UartPrintOutByte(unsigned char byte);

void UART(void) interrupt 4	   // UART
{
   TI = 1;
    if(RI) 
	 {
	   RI =0;
	
       *pUartDebug =SBUF ;

	    pUartDebug++;

	    UARTRECSIZE++;

		 //  重新装载数值；	 设置超时时间为10MS
	  CCAP0L = CL + 0x00;
	  CCAP0H = CH + 0x24;
	  CCAPM0 = 0x49;	 //	定义为16位软件定时器

	  }

	TI=0;
}



void UartPrintOutByte(unsigned char byte)
{
 
   ES=0;TI=0;
   enable_485_tx;
   _nop_();
   _nop_();
   SBUF =byte;while(!TI);// 发送给PC需要的信息

   TI=0; 		  
   ES=1;
   
   enable_485_rx;	

}
void UartPrintOut(unsigned char  *pData,unsigned char size)
{
 unsigned char i;
   ES=0;TI=0;enable_485_tx;
    _nop_(); _nop_(); 

   for(i=0;i<size;i++)
     {
	    SBUF = *pData++;while(!TI);TI=0; // 发送给PC需要的信息
	 }
   TI=0; 		  
   ES=1;
   
   enable_485_rx;	
}