File content as of revision 7:d8ecabe16c9e:

#include "mbed.h"
#include "rtos.h"
#include "MODSERIAL.h"

Serial pc(USBTX, USBRX);

float test_lat =  39.943039;
float test_long = -104.978226;

// Connect the TX of the GPS module to p10 RX input
MODSERIAL gps(NC, p14);

DigitalOut irq_led(LED1);

bool newline_detected = false;

// Called everytime a new character goes into
// the RX buffer. Test that character for \n
// Note, rxGetLastChar() gets the last char that
// we received but it does NOT remove it from
// the RX buffer.
void rxCallback(MODSERIAL_IRQ_INFO *q)
{
    newline_detected = true;
    irq_led = !irq_led;
}

void gps_thread(void const *args)
{
    char buffer[512];

    gps.baud(4800);
    pc.baud(9600);
    gps.autoDetectChar('\n');
    gps.attach(&rxCallback, MODSERIAL::RxAutoDetect);

    while(true) {
        // Wait here until we detect the \n going into the buffer.
        while (! newline_detected ) ;

        // When we get here the RX buffer now contains a NMEA sentence.
        // ...
        memset(buffer, 0, 512);
        gps.move(buffer, 512);
        pc.puts(buffer);
    }

}


int main()
{
    Thread thread(gps_thread);
    
    while(true);
}