传真(Fax)编程

开发平台：
C/C++

Uart.c：源码内容
							//UART
#include "includeH.h"
void InitUART(void)                    //初始化UART
{      
       unsigned int ucGeneralCnt;
       //WDTCTL=WDTPW+WDTHOLD;              //close watch dog
       //DCOCTL &= ~DCO2;
       BCSCTL1|=XTS;     //MCLK时钟源  Select LFXTCLK high frequency
       BCSCTL2|=SELM_3;     //MCLK时钟源  Select LFXTCLK   //+DIVM_3 
       
       do                                  //等待时钟稳定    
       {   IFG1 &= ~OFIFG;
           for(ucGeneralCnt=0;ucGeneralCnt<0xff;ucGeneralCnt++);    
       }while ((IFG1 & OFIFG)==OFIFG);
       
       UCTL0=0X00;
       UCTL0|=SWRST;                       //disable soft reset  
       UCTL0|=CHAR;                         //8 bits
       //UCTL0|=LISTEN;                       //OPEN LISTEN    
       UTCTL0=SSEL0;                  //BaudRate generate select ACLK    
       UBR10=0X03;//0x1a;//0X03;//0X02;  0x03;//0X00; //BaudRate==9600
       UBR00=0X41;//0x0a;//0X41;//0X2b;  0x41;//0X49;    
       UMCTL0=0X00;    
       UCTL0&=~SWRST;                      //enable soft reset USART    
       ME1|=URXE0+UTXE0;                   //enable TXD and RXD    
       IE1|=URXIE0;                        //enable RX interrupt
       IE1|=UTXIE0;                        //enable TX interrupt    
       IFG1=0X00;                          //clear IFG1    
       P3SEL|=0x30;//0x00;//0X30;                       //P3.4 P3.5 for USART    
       P3DIR|=BIT4;                         //P3.4 tx OUTPUT 
       
       delay800ms();
       for(ucGeneralCnt=0;ucGeneralCnt<255;ucGeneralCnt++)
       { 
            aucUartRxBuf[ucGeneralCnt]=0;    //clear RX buffer
       }                      
       _EINT();                             //enable interrupt
       
}//InitUART()
    
    
    
void UartStart(void)                   //启动发送
{    
       //ATcmdDelay();
       //ATcmdDelay();  
       IE1 |= UTXIE0;
       gpucTxBufPnt = 0;
       gwTxNum = 4;
       while((UTCTL0&BIT0) != BIT0);        //TXEPT: 1 empty 0 full 
       TXBUF0 = aucUartTxBuf[0];    
       gucTxBufCnt = 1;
           
       //IFG1 |=  UTXIFG0;                //Entry TX interrupt
           
}
           
           
       
void UartReceive(void)                 //receive
{   
       gucTimeOverflowCount=0;//clear Rx Fax time flowover
       gwTimeOverflowCount=0; //clear Rx Fax time flowover  
       aucUartRxBuf[gucUartRxCnt]=RXBUF0;
       gucUartRxCnt+=1;
       gdwRxQueueRearCnt++;    //Queue length inc
       gpucQueueRear++;       //entry Queue Rear Point inc
             
}//UartReceive
               
               
void UartSend(void)                    //transmit
{   
       gpucTxBufPnt+=1;		//TxBufCnt point to the second data.The second data will be sent now
       if(gpucTxBufPnt<gwTxNum)//check whether send next data      
       {   
          TXBUF0=aucUartTxBuf[gucTxBufCnt];          
          gucTxBufCnt++;
          //if(gucTxBufCnt>22){gucTxBufCnt=0;}               
       }    
       else     
          {     
             gpucTxBufPnt=0;                        
             gucTxBufCnt=0;                                      
          }
}
            
//**************************************************************/            
            
#pragma vector=USART0TX_VECTOR            
__interrupt void intUartTx(void)//发送中断响应
{
       UartSend();
}
#pragma vector=USART0RX_VECTOR
__interrupt  void intUartRx(void)//接收中断响应
{
    gucGeneralStatus |= bitModemActive;
    UartReceive();   
} 

						