esp8266-clock/main/clock_main.c

/*
 * SPDX-FileCopyrightText: 2022 Helmut Pozimski <helmut@pozimski.eu>
 *
 * SPDX-License-Identifier: GPL-2.0-only
 */

#include <stdio.h>

#include "ds3231.h"

#include "freertos/FreeRTOS.h"
#include "freertos/task.h"


#define DS3231_SDA_PIN 4
#define DS3231_SCL_PIN 5

void app_main() {
	ESP_ERROR_CHECK(ds3231_init(DS3231_SDA_PIN, DS3231_SCL_PIN));
	for (int i=0; i<100; i++) {
		date_time date_time = { .seconds = 58,
		.minutes = 15,
		.hours = 23,
		.dow = 3,
		.day = 21,
		.month = 8,
		.year = 22 };
		ds3231_write_date_time(date_time);
		ds3231_read_date_time(&date_time);
		printf("Seconds: %d\n", date_time.seconds);
		printf("Minutes: %d\n", date_time.minutes);
		printf("Hours: %d\n", date_time.hours);
		printf("Day of week: %d\n", date_time.dow);
		printf("Day of month: %d\n", date_time.day);
		printf("Month: %d\n", date_time.month);
		printf("Year: %d\n", date_time.year);
		vTaskDelay(1000 / portTICK_PERIOD_MS);
	}
	printf("Hello World\n");
}