/*

 * led.h

 *

 *  Created on: Mar 30, 2017

 *      Author: Matthew Reed

 */

#ifndef INC_LED_H_

#define INC_LED_H_

#include "stm32f0xx_hal.h"

#include <stdbool.h>

#include <string.h>

typedef enum {

    LED_STATUS = 0,

    LED_CAN,

    LED_ERROR,

} led_name_t;

void led_init(void);

void led_start(led_name_t led);

void led_start_time(led_name_t led, uint16_t time);

void led_update(led_name_t led);

void led_update_all(void);

void led_set(led_name_t led, bool value);

void led_toggle(led_name_t led);

__weak bool gpio_set_led(led_name_t led, bool value);

__weak bool gpio_toggle_led(led_name_t led);

#endif /* INC_LED_H_ */

/*

 * led.c

 *

 *  Created on: Mar 30, 2017

 *      Author: Matthew Reed

 */

#include "led.h"

#define LED_CYCLE_STATUS 2000

#define LED_CYCLE_CAN 0

#define LED_CYCLE_ERROR 0

uint16_t led_timers[3];

uint16_t led_thresholds[3];

uint16_t led_cycles[3];

void led_init(void)

{

    memset(led_timers, 0, sizeof led_timers);

    memset(led_thresholds, 0, sizeof led_thresholds);

    memset(led_cycles, 0, sizeof led_cycles);

    led_cycles[LED_STATUS] = LED_CYCLE_STATUS;

    led_cycles[LED_CAN] = LED_CYCLE_CAN;

    led_cycles[LED_ERROR] = LED_CYCLE_ERROR;

}

void led_start(led_name_t led)

{

    led_timers[led] = led_cycles[led];

    led_thresholds[led] = led_cycles[led]/2;

}

void led_start_time(led_name_t led, uint16_t time)

{

    if (led_timers[led] == 0)

    {

        led_timers[led] = time;

        led_thresholds[led] = time/2;

    }

}

void led_update(led_name_t led)

{

    if (led_timers[led] > led_thresholds[led])

    {

        led_set(led, 1);

        led_timers[led]--;

    }

    else if (led_timers[led] > 0)

    {

        led_set(led, 0);

        led_timers[led]--;

    }

    else {

        led_set(led, 0);

        led_timers[led] = led_cycles[led];

    }

}

void led_update_all(void)

{

    led_update(LED_STATUS);

    led_update(LED_CAN);

    led_update(LED_ERROR);

}

void led_set(led_name_t led, bool value)

{

    gpio_set_led(led, value);

}

void led_toggle(led_name_t led)

{

    gpio_toggle_led(led);

}

__weak bool gpio_set_led(led_name_t led, bool value)

{

    return false;

}

__weak bool gpio_toggle_led(led_name_t led)

{

    return false;

}