void APP_Initialize ( void )
{
    /* Place the App state machine in its initial state. */
    appData.state = APP_STATE_INIT;

    /* TODO: Initialize your application's state machine and other
     * parameters.
     */
    appData.tmrDrvHandle = DRV_HANDLE_INVALID;   // don't use until initialized
    appData.alarmCount = 0;         // # of timer interrupts that have occurred
}