main.c

arm控制gprs模块

#include "config.h" 
#include     <stdio.h>      /* stand input and output... */
#include     <fcntl.h>      /* file controle */
#include     <termios.h>    /*PPSIX terminal controle */
#include     <errno.h>      /* error */

int main()
{
   int num_count;
   int fd1,fd2;
   uint8 key;
   char number[20];
   //打开串口1
   fd1 = open("/dev/ttyS1",O_RDWR);
   if (-1==fd1)
   {
     printf("can't open ttyS1");
     exit(0);
   }
   //打开zlg7290
   fd2 = open("/dev/zlg7290",O_RDWR);
   if (-1==fd2)
   {
     printf("can't open zlg7290");
     exit(0);
   }
   
   Uart_Init(fd1);
   I2C_Init(fd2);
   //GPRS_Init(fd1);

   while (1)
   {
     if (KeyTest(fd2))
     {
       key=GetKey(fd2);
       switch (key)
       {
         case 13: num_count=InputNumber(fd2,number);
                 if (num_count) 
                  {
                    printf("%d\n",num_count);
                    printf("%c",number[0]);
                    GPRS_Call(fd1,number,num_count);//拨打
                    break;
                  }  
                  else break;
         case 14: 
                 GPRS_Hold(fd1); //挂断
                 break;
         case 15: GPRS_Net(fd1);break;   
         case 16: break;
         default:  break;   
       } 
     }   
   } 
   return 0;
}