lq1.c

MSP430串口发送程序

#include <msp430x14x.h>
void Init(void);
char Data[6]="MSP430";//发送
char Data1[20],Buffer[20];
unsigned char i=0,flag=0,j=0;
void main (void)
{
 //unsigned char i;
 WDTCTL=WDTPW+WDTHOLD;
 Init();
 while(1)
 {
  TXBUF1=0xFF;
  while((UTCTL1&0x01)==0);
  for(i=0;i<=6;i++)
  {
   //i=3;
   TXBUF1=Data[i];
   while((UTCTL1&0x01)==0);
   }
  }
 }
 void Init(void)
 {
  UCTL1&=~SWRST;
 UCTL1=0x10;
 UBR01=0x03;
 UBR11=0x00;
 UMCTL1=0x4A;
 UTCTL1=0x10;
 ME2|=0x30;
 P3SEL=0xC0;
 P3DIR=0x40;
 IE2|=URXIE1;
 } 
 interrupt[UART1RX_VECTOR] void UART1RX(void)
 {
    if(flag==0)
  {
     if(RXBUF1==0xff)
    {
       flag=1;
       i=0;
    }
  }
  else
  {
    Data1[i]=RXBUF1;
    if (Data1[i++]==0)
   {
     flag=0;
     for(j=0;j<i;j++) Buffer[j]=Data1[j];
   }
 }
  }