esp-idf-template/main/main.c

82 lines
2.2 KiB
C

#include "freertos/FreeRTOS.h"
#include "esp_wifi.h"
#include "esp_system.h"
#include "esp_event.h"
#if ESP_IDF_VERSION_MAJOR < 4
#include "esp_event_loop.h"
#endif
#include "nvs_flash.h"
#include "driver/gpio.h"
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 1, 0)
//
// From IDF 4.1.0 ESP-NETIF approach is encouraged and all network
// interfaces have to be explicitely created
//
#define TCPIP_INIT() esp_netif_init()
#define CREATE_WIFI_STATION() assert(esp_netif_create_default_wifi_sta())
#else
#define TCPIP_INIT() tcpip_adapter_init()
#define CREATE_WIFI_STATION()
#endif
#if ESP_IDF_VERSION_MAJOR >= 4
static void wifi_event_handler(void* arg, esp_event_base_t event_base,
int32_t event_id, void* event_data)
{
}
static void ip_event_handler(void* arg, esp_event_base_t event_base,
int32_t event_id, void* event_data)
{
}
#else
esp_err_t event_handler(void *ctx, system_event_t *event)
{
return ESP_OK;
}
#endif
void app_main(void)
{
nvs_flash_init();
TCPIP_INIT();
#if ESP_IDF_VERSION_MAJOR >= 4
ESP_ERROR_CHECK(esp_event_loop_create_default());
ESP_ERROR_CHECK(esp_event_handler_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &wifi_event_handler, NULL));
ESP_ERROR_CHECK(esp_event_handler_register(IP_EVENT, ESP_EVENT_ANY_ID, &ip_event_handler, NULL));
#else
ESP_ERROR_CHECK( esp_event_loop_init(event_handler, NULL) );
#endif
CREATE_WIFI_STATION();
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
ESP_ERROR_CHECK( esp_wifi_init(&cfg) );
ESP_ERROR_CHECK( esp_wifi_set_storage(WIFI_STORAGE_RAM) );
ESP_ERROR_CHECK( esp_wifi_set_mode(WIFI_MODE_STA) );
wifi_config_t sta_config = {
.sta = {
.ssid = CONFIG_ESP_WIFI_SSID,
.password = CONFIG_ESP_WIFI_PASSWORD,
.bssid_set = false
}
};
ESP_ERROR_CHECK( esp_wifi_set_config(WIFI_IF_STA, &sta_config) );
ESP_ERROR_CHECK( esp_wifi_start() );
ESP_ERROR_CHECK( esp_wifi_connect() );
gpio_set_direction(GPIO_NUM_4, GPIO_MODE_OUTPUT);
int level = 0;
while (true) {
gpio_set_level(GPIO_NUM_4, level);
level = !level;
vTaskDelay(300 / portTICK_PERIOD_MS);
}
}