kirill9617 / Luna - Files

led.c
/*
 * LED control abstraciton code.
 * This file is part of LUNA.
 */


#include <stdint.h>
#include <stdbool.h>
#include <string.h>

#include <tusb.h>
#include <bsp/board.h>
#include <apollo_board.h>


#include "led.h"


/** Store the current LED blink pattern. */
static blink_pattern_t blink_pattern = BLINK_IDLE;


/**
 * Sets the active LED blink pattern.
 */
void led_set_blink_pattern(blink_pattern_t pattern)
{
	blink_pattern = pattern;
	leds_off();
}


/**
 * Sets up each of the LEDs for use.
 */
void led_init(void)
{
	gpio_set_pin_direction(LED_STATUS, GPIO_DIRECTION_OUT);
	gpio_set_pin_level(LED_STATUS, true);
}


/**
 * Turns the provided LED on.
 */
void led_on(led_t led)
{
	gpio_set_pin_level(led, false);
}


/**
 * Turns the provided LED off.
 */
void led_off(led_t led)
{
	gpio_set_pin_level(led, true);
}


/**
 * Toggles the provided LED.
 */
void led_toggle(led_t led)
{
	gpio_toggle_pin_level(led);
}


/**
 * Sets whether a given led is on.
 */
void led_set(led_t led, bool on)
{
	gpio_set_pin_level(led, !on);
}


/**
 * Turns off all of the device's LEDs.
 */
void leds_off(void)
{
	led_off(LED_STATUS);
}



/**
 * Task that handles blinking the heartbeat LED.
 */
void heartbeat_task(void)
{
	static uint32_t start_ms = 0;

	// Blink every interval ms
	if ( board_millis() - start_ms < blink_pattern) {
		return; // not enough time
	}

	start_ms += blink_pattern;
	led_toggle(LED_STATUS);

}