File content as of revision 84:baec7c1f5618:

#include "nmea.h"
#include "mstimer.h"
#include "gps.h"

#define WATCHDOG_TIMEOUT_MS 5 * 60 * 1000

int  NmeaModuleReadiness = 0;
bool NmeaModuleIsReady() { return NmeaModuleReadiness == NMEA_READINESS_READY; }

static int msTimerMsgWatchdog = 0;

void NmeaMain()
{
    NmeaCmdMain();
    
    //Run the message loop and see if have had a message
    bool hadMessage = NmeaMsgMain();
    
    //Feed the watchdog each time a message is received
    if (hadMessage) msTimerMsgWatchdog = MsTimerCount;
    
    //If had no messages assume the module has done a cold reset (loses baud etc)
    static bool watchdogWasElapsed = false;
    bool watchdogHasElapsed = MsTimerRelative(msTimerMsgWatchdog, WATCHDOG_TIMEOUT_MS);
    if (watchdogHasElapsed)
    {
        if (!watchdogWasElapsed) GpsLog("NMEA messages watchdog timed out - restarting serial link to module\r\n");
        NmeaCmdSetup(); //This won't keep repeating as NmeaCmdSeup will only do something if not already busy
    }
    watchdogWasElapsed = watchdogHasElapsed;

    NmeaTimeMain();
    NmeaFixMain();
}
void NmeaInit()
{
    NmeaFixInit();
    NmeaTimeInit();
    NmeaCmdInit();
    NmeaCmdStartup();
}