main.cpp

00001 #include "mbed.h"
00002 #include "C027.h"
00003 
00004 DigitalOut mdm_activity(LED);
00005 
00006 int main() 
00007 {
00008     int led_toggle_count = 5;
00009 
00010     C027 c027;
00011     
00012     // enable, and use the uart
00013     c027.mdmPower(true,true);
00014     
00015     // enable the GPS.
00016     c027.gpsPower(true, false); 
00017     
00018 #if 0
00019     while(1) {
00020         mdm_activity = !mdm_activity;
00021         wait(0.2);
00022     }
00023 #else
00024     while( led_toggle_count-- > 0 )
00025     {
00026         mdm_activity = !mdm_activity;
00027         wait(0.2);
00028     }
00029 #endif
00030 
00031     // open the mdm serial port
00032     Serial mdm(MDMTXD, MDMRXD);
00033     mdm.baud(MDMBAUD);
00034     // tell the modem that we can always receive data
00035     DigitalOut mdmRts(MDMRTS);
00036     mdmRts = 0; // (not using flow control)
00037     
00038     // open the PC serial port and (use the same baudrate)
00039     Serial pc(USBTX, USBRX);
00040     pc.baud(MDMBAUD);
00041     
00042     pc.printf( "M3->UART connection ready\r\n");
00043     
00044     while (1)
00045     {
00046         // transfer data from pc to modem
00047         if (pc.readable() && mdm.writeable())
00048             mdm.putc(pc.getc());
00049         // transfer data from modem to pc
00050         if (mdm.readable() && pc.writeable()) 
00051             pc.putc(mdm.getc());
00052     }
00053 }