main.cpp

00001 #include "mbed.h"
00002  
00003 DigitalOut LED_0 (PB_6);
00004 
00005 //Virtual serial port over USB
00006 Serial pc(USBTX, USBRX);
00007 Serial modem(PA_9, PA_10);
00008 
00009 bool once = true;
00010 
00011 int main() {
00012     pc.baud(9600);
00013     modem.baud(9600);
00014     char c;
00015     
00016     LED_0 = 1;
00017     
00018     char responsebuffer[3];
00019     
00020     while(1) {   
00021         if(modem.readable()) {
00022             pc.putc(modem.getc());
00023         }
00024         
00025         if(pc.readable()) {
00026             c = pc.getc();
00027             responsebuffer[0] = responsebuffer[1];
00028             responsebuffer[1] = responsebuffer[2];
00029             responsebuffer[2] = c;
00030                 if( once && responsebuffer[0] == 'A' && responsebuffer[1] == 'T' && responsebuffer[2] == 'Z' )
00031                 {
00032                     LED_0 = 0;
00033                     wait(3);
00034                     modem.printf("ATZ\n\rATZ\n\r");
00035                     wait(0.1);
00036                     modem.baud(115200);
00037                     pc.baud(115200);
00038                     wait(0.1); 
00039                     once = false;
00040                 }      
00041             modem.putc(c);
00042         }
00043     }
00044 }