想用msp430g2553控制sim900a进行发送短信

只看该作者 · 2015-4-20 08:25

写了好几天的程序了，但是怎么调试都不成功，大神能给解决下吗？？刚自学这款单片机，是不是用串口通信啊？？，，，

//******************************************************************************
#include <msp430.h>
#include <stdio.h>

const char string1[] = "ATD18669665328\r";
//unsigned int i;
int a[8],i;

void Uart0Sends(char *s)
{

      while (!(IFG2&UCA0TXIFG))
      {
  while(*s!='\0')
  {
UCA0TXBUF=*s;

while((IFG2&UCA0TXIFG)==0); //查询发送是否结束
IFG2&=~UCA0TXIFG; //清除发送一标志位
s++;
  }
      }
}

void Init_uart0()
{
  UCA0CTL0&=~UC7BIT;//字符长度为8
  UCA0BR0=0x6D;  //波特率为9600

/////////////------------------------------------------------------------
  UCA0CTL1 |= UCSSEL_1;                   // CLK = ACLK
UCA0BR1 = 0x00;                         //
UCA0MCTL = UCBRS1 + UCBRS0;             // Modulation UCBRSx = 3
UCA0CTL1 &= ~UCSWRST;                   // **Initialize USCI state machine**
IE2 |= UCA0TXIE;                         // Enable USCI_A0 RX interrupt
////////////---------------------------------------------------------------

P1DIR = 0xFF;                            // All P1.x outputs
P1OUT = 0;                                                                // All P1.x reset
                           // All P2.x reset
  P1SEL|=BIT1+BIT2; //将P1.1 P1.2设为第二功能
  P1SEL2|=BIT1+BIT2;
}

void DelayNS(unsigned int dly)
{
  unsigned int i;
  for(;dly>0;dly--)
for(i=0;i<2000;i++);
}

int main(void)
{
      WDTCTL = WDTPW + WDTHOLD;
      BCSCTL1 = CALBC1_1MHZ;
      DCOCTL  = CALDCO_1MHZ;
      Init_uart0();
      _EINT();

}
//#pragma vector=USCIAB0RX_VECTOR
//__interrupt void usart0_rx(void)
//{
//  while((IFG2&UCA0RXIFG )==0);
//  //a=RXBUF0;
//  //i++;
//  i=UCA0RXBUF;
////  UCA0TXBUF=UCA0RXBUF;

#if defined(__TI_COMPILER_VERSION__) || defined(__IAR_SYSTEMS_ICC__)
#pragma vector=USCIAB0TX_VECTOR
__interrupt void USCI0TX_ISR(void)
#elif defined(__GNUC__)
void __attribute__ ((interrupt(USCIAB0TX_VECTOR))) USCI0TX_ISR (void)
#else
#error Compiler not supported!
#endif
{

         {

            Uart0Sends("AT\r");

            DelayNS(50);
            Uart0Sends("AT+CMGF=1\r");
            DelayNS(50);
            Uart0Sends("AT+CMGS=\"18669665328\"\r");
            DelayNS(100);
         Uart0Sends("DATATEST");

         }
IE2 &= ~UCA0TXIE;                      // Disable USCI_A0 TX interrupt

}