Files
esp-hello-world/main/hello_world_main.c
2025-01-28 20:37:48 +01:00

107 lines
3.3 KiB
C

/*
* SPDX-FileCopyrightText: 2010-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: CC0-1.0
*/
#include <stdio.h>
#include <inttypes.h>
#include "sdkconfig.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_chip_info.h"
#include "esp_flash.h"
#include "esp_system.h"
#include "driver/gpio.h"
#include "iot_button.h"
#include "button_gpio.h"
#include "led_gpio.h"
#include "led_indicator.h"
#include "led_indicator_blink_default.h"
#define IO_PIN GPIO_NUM_2
static const char* TAG = "Btn";
static led_indicator_handle_t led_handle = NULL;
static button_handle_t button_handle = NULL;
void init_led() {
led_indicator_gpio_config_t led_indicator_gpio_config = {
.is_active_level_high = 1,
.gpio_num = IO_PIN,
};
led_indicator_config_t led_indicator_config = {
.mode = LED_GPIO_MODE,
.led_indicator_gpio_config = &led_indicator_gpio_config,
.blink_lists = (void*)NULL,
.blink_list_num = 0,
};
led_handle = led_indicator_create(&led_indicator_config);
if (led_handle == NULL) {
printf("Could not init LED indicator");
abort();
}
led_indicator_start(led_handle, BLINK_CONNECTING);
}
static void button_single_click_cb(void* arg, void* usr_data) {
printf("Button clicked from %p %p", arg, usr_data);
led_indicator_start(led_handle, BLINK_CONNECTED);
}
void setup_buttons() {
button_gpio_config_t gpio_config = {
.gpio_num = 0,
.active_level = 0,
};
button_config_t button_0_cfg = {
.long_press_time = CONFIG_BUTTON_LONG_PRESS_TIME_MS,
.short_press_time = CONFIG_BUTTON_SHORT_PRESS_TIME_MS,
};
ESP_ERROR_CHECK(iot_button_new_gpio_device(&button_0_cfg, &gpio_config, &button_handle));
ESP_ERROR_CHECK(iot_button_register_cb(button_handle, BUTTON_SINGLE_CLICK, NULL, button_single_click_cb, NULL));
}
void app_main(void)
{
printf("Hello world!\n");
setup_buttons();
init_led();
/* Print chip information */
esp_chip_info_t chip_info;
uint32_t flash_size;
esp_chip_info(&chip_info);
printf("This is %s chip with %d CPU core(s), %s%s%s%s, ",
CONFIG_IDF_TARGET,
chip_info.cores,
(chip_info.features & CHIP_FEATURE_WIFI_BGN) ? "WiFi/" : "",
(chip_info.features & CHIP_FEATURE_BT) ? "BT" : "",
(chip_info.features & CHIP_FEATURE_BLE) ? "BLE" : "",
(chip_info.features & CHIP_FEATURE_IEEE802154) ? ", 802.15.4 (Zigbee/Thread)" : "");
unsigned major_rev = chip_info.revision / 100;
unsigned minor_rev = chip_info.revision % 100;
printf("silicon revision v%d.%d, ", major_rev, minor_rev);
if(esp_flash_get_size(NULL, &flash_size) != ESP_OK) {
printf("Get flash size failed");
return;
}
printf("%" PRIu32 "MB %s flash\n", flash_size / (uint32_t)(1024 * 1024),
(chip_info.features & CHIP_FEATURE_EMB_FLASH) ? "embedded" : "external");
printf("Minimum free heap size: %" PRIu32 " bytes\n", esp_get_minimum_free_heap_size());
for (int i = 10; i >= 0; i--) {
printf("Restarting in %d seconds...\n", i);
vTaskDelay(1000 / portTICK_PERIOD_MS);
}
printf("Restarting now.\n");
fflush(stdout);
esp_restart();
}