A porting of a GPS decoding and presenting program within the mbos RTOS. It is not a definitive application but a study program to test NMEA full decoding library and a first approach to an RTOS. Many thanks to Andrew Levido for his support and his patience on teaching me the RTOS principles from the other side of the Earth. It uses NMEA library by Tim (xtimor@gmail.com) ported by Ken Todotani (http://mbed.org/users/todotani/) on public mbed library (http://mbed.org/users/todotani/programs/GPS_nmeaLib/5yo4h) also available, as original universal C library, on http://nmea.sourceforge.net

Dependencies:   mbos Watchdog TextLCD mbed ConfigFile

Task6Pc.cpp

Committer:
guiott
Date:
2012-01-31
Revision:
2:8917036cbf69

File content as of revision 2:8917036cbf69:

#include "Task6Pc.h"

void ShowPcTask(void) 
{/**
 *\brief TASK 6, if a PC is connected, debug information can be sent to the console
 */
 static int it = 0;
 int i;
 DegMinSec DecCoord;
    
 os.SetTimer(SHOW_PC_TMR, 1000, 1000);
 while(1)
 {
    os.WaitEvent(SHOW_PC_EVT); 

    if(pc.readable())
    {// wait for an input
        PcMonitor = (pc.getc()-48); // digit a number to en/dis-able debug
     }
     
    if( PcMonitor==1 || PcMonitor>5)
    {// Display Info parameters 
        pc.printf(
        "%03d, Lat: %f, Lon: %f, Sig:%d, Fix:%d, Inuse:%d\r\n",
        it++, latitude, longitude, info.sig, info.fix, info.satinfo.inuse );
        for (i = 0; i < NMEA_MAXSAT; i++) 
            {
            if (info.satinfo.sat[i].sig > 0)
            pc.printf("  sat_id:%02d, sig:%02d, Inuse:%d\r\n",
                      info.satinfo.sat[i].id , info.satinfo.sat[i].sig, 
                      info.satinfo.sat[i].in_use);
            }
        pc.printf("\r\n");
    }
    
    if( PcMonitor==2 || PcMonitor>5)
    {// Display Distance parameters 
        Deg2DegMinSec(nmea_radian2degree(Pos[0].lat), &DecCoord);
        pc.printf("Lat1:%d %d\'%.3f\"  ", DecCoord.Deg, DecCoord.Min, DecCoord.Sec);
        Deg2DegMinSec(nmea_radian2degree(Pos[0].lon), &DecCoord);
        pc.printf("Lon1:%d %d\'%.3f\"  ", DecCoord.Deg, DecCoord.Min, DecCoord.Sec);
        Deg2DegMinSec(nmea_radian2degree(Pos[1].lat), &DecCoord);
        pc.printf("Lat2:%d %d\'%.3f\"  ", DecCoord.Deg, DecCoord.Min, DecCoord.Sec);
        Deg2DegMinSec(nmea_radian2degree(Pos[1].lon), &DecCoord);
        pc.printf("Lon2:%d %d\'%.3f\"  \n", DecCoord.Deg, DecCoord.Min, DecCoord.Sec);
        pc.printf("Dist:%f  Azimuth Start:%f  Azimuth Final:%f \n\n",
                  Path.Dist, Path.Azimuth[0], Path.Azimuth[1]); 
    }
  }   
}