modem.c

由单片机控制串口modem

#include<msp430x14x.h>
#include"type.h"
#include"my_uart.h"

int i;
char tt[9] = {0};

main()
{
    char str[14] = {'A','T','D','T','8','8','1','6','6','3','7','7',0x0d,0x0a};
    char infor[5] = {'h','e','l','l','0'};
    char i,j = 0;
    WDTCTL = WDTPW+WDTHOLD;                   // Stop watchdog timer
    UARTInit();
    
    while(j == 0)
    {
      for(i = 0;i < 14;i++)
      {
          TXBUF0 = str[i];
          while(!(IFG1 & UTXIFG0));
      }
      while(!(IFG1 & URXIFG0));
      j = RXBUF0;
    }
    
    for(i = 0;i < 255;i++);
    
    for(i = 0;i < 5;i++)
    {
      TXBUF0 = infor[i];
      while(!(IFG1 & UTXIFG0));   
    }
}