File content as of revision 1:919b214c583c:

/*******************************************************************************
* This program demonstrates how to drive the seven segment display             *
*                                                                              *
* Jon Fuge                                                                     *
* V1.0 24/12/2013 First issue of code                                          *
*******************************************************************************/

#include "mbed.h"
#include "SevenSegmentDisplay.h"

uint8_t ui8Tens = 0, ui8Units = 0;

// Options to instantiate SevenSegmentDisplay are...
// FADE: causes the number changes to fade in smoothly
// INSTANT: causes the an instant number change
// + FLASH: causes the display to flash
SevenSegmentDisplay segmentled( FADE );

void attimeout();            //declare prototype for timeout handler.

Ticker timeout;             //Create an instance of class Ticker called timeout.

int main()
{
    //segmentled.FlashRate(100); //Sets the flash rate to every 100ms
    //segmentled.FadeMode(FADE + FLASH); //Changes display mode to fade with flash
    //segmentled.FadeRate(10); // Sets the fade rate to 10ms intervals

    // Set up interrupt to call attimeout() every half a second.
    timeout.attach_us(&attimeout, 500000);

    for(;;) {} // Loop forever (all the program uses interrupts.
}

void attimeout()
{
    ui8Units ^= 0x80;
    if ((ui8Units & 0x80) == 0) {
        ui8Units++;             // "units"
        if (ui8Units > 36) {    // cycle through entire range 0 -> 9, A -> Z
            ui8Units = 0;       // Reset the "units" to 0
            ui8Tens++;          // Increment "tens" digit
            if (ui8Tens > 36) { // cycle through entire range 0 -> 9, A -> Z
                ui8Tens = 0;    // Reset the "tens" to 0
            }
        }
    }
    // Updates display with new values.
    segmentled.SevenSegmentDisplayChange(ui8Tens, ui8Units);
}