File content as of revision 0:a30b2f6d5489:

/**********************************************************************
* Copyright (C) 2017 Maxim Integrated Products, Inc., All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
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* The above copyright notice and this permission notice shall be included
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* OTHER DEALINGS IN THE SOFTWARE.
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#include "mbed.h"


PinName STATUS_RED   = P1_2;
PinName STATUS_GREEN = P1_3;
PinName STATUS_BLUE  = P1_4;
PinName BOOST_EN     = P2_2;


int main()
{
    //Enable 5V rail first, active high
    DigitalOut boostEN(BOOST_EN, 1);
    
    //Instantiate led objects, active high via bjt pulldown
    DigitalOut rLED(STATUS_RED, 0);
    DigitalOut gLED(STATUS_GREEN, 0);
    DigitalOut bLED(STATUS_BLUE, 0);
    
    //Simple array to rotate through
    DigitalOut leds[] = {rLED, gLED, bLED};
    
    I2C i2c_bus(I2C1_SDA, I2C1_SCL);
    
    uint32_t count = 0;
    
    while(1)
    {
        leds[count % 3] = 1;
        wait(0.25);
        leds[count % 3] = 0;
        wait(0.25);
        
        count++;
        
        printf("Count = %d\r\n", count);
    }
}