arrow-firmware/main/board.c

/*
 * board.c
 *
 *  Created on: Jun 15, 2019
 *      Author: curiousmuch
 */
#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/gpio.h"
#include "driver/adc.h"
#include "board.h"

void enable_red_led(void)
{
	gpio_set_level(RED_LED, 1);
}

void enable_green_led(void)
{
	gpio_set_level(GREEN_LED, 1);
}

void disable_red_led(void)
{
	gpio_set_level(RED_LED, 0);
}

void disable_green_led(void)
{
	gpio_set_level(GREEN_LED, 0);
}

int32_t battery_measure(void)
{
	   adc1_config_width(ADC_WIDTH_BIT_12);
	   adc1_config_channel_atten(ADC1_CHANNEL_0,ADC_ATTEN_DB_0);
	   int val = adc1_get_raw(BATTERY_ADC_CHANNEL);
	   return val;
}

void board_init(void)
{
	// setup LED IO
	gpio_config_t led_pin_config =
	{
			.pin_bit_mask = (uint64_t) (BIT64(RED_LED)|BIT64(GREEN_LED)),
			.mode = GPIO_MODE_OUTPUT,
			.pull_up_en = GPIO_PULLUP_DISABLE,
			.pull_down_en = GPIO_PULLDOWN_DISABLE,
			.intr_type = GPIO_INTR_DISABLE
	};
	gpio_config(&led_pin_config);
}