app_led.c

/*
 * File:   lcd.c
 * Author: M91406
 *
 * Created on March 12, 2020, 12:10 PM
 */
 
 
#include "config/apps.h"
#include "config/hal.h"
 
// PRIVATE VARIABLE DELARATIONS
volatile uint16_t tgl_cnt = 0;  // local counter of LED toggle loops
#define TGL_INTERVAL     4999   // LED toggle interval of (4999 + 1) x 100usec = 500ms
#define TGL_INTERVAL_ERR  999   // LED toggle interval of ( 999 + 1) x 100usec = 100ms
 
volatile DEBUGGING_LED_t debug_led;
 
 
volatile uint16_t appLED_Initialize(void) 
{
    volatile uint16_t retval = 1;
    
    if(debug_led.period == 0)
        debug_led.period = TGL_INTERVAL;
    
    DBGLED_Init();
 
    return(retval);
}
 
 
volatile uint16_t appLED_Execute(void) 
{
    volatile uint16_t retval = 1;
 
    // Change LED toggle frequency when power supply is in fault state
    if (buck.status.bits.fault_active)
        debug_led.period = TGL_INTERVAL_ERR;
    else
        debug_led.period = TGL_INTERVAL;
    
    // Toggle LED, refresh LCD and reset toggle counter
    if (tgl_cnt++ > debug_led.period) { // Count n loops until LED toggle interval is exceeded
        DBGLED_Toggle();
        tgl_cnt = 0;
    } 
 
    return(retval);
}
 
 
volatile uint16_t appLED_Dispose(void) 
{
    volatile uint16_t retval = 1;
    
    debug_led.period = 0;
    DBGLED_Dispose();
 
    return(retval);
}
 
// end of file