Migrate startup code from cpu_start into the application

main/main.c

@@ -0,0 +1,45 @@
+#include "freertos/FreeRTOS.h"
+#include "esp_wifi.h"
+#include "esp_system.h"
+#include "esp_event.h"
+#include "esp_event_loop.h"
+#include "nvs_flash.h"
+#include "driver/gpio.h"
+
+esp_err_t event_handler(void *ctx, system_event_t *event)
+{
+ return ESP_OK;
+}
+
+int app_main(void)
+{
+ nvs_flash_init(6, 3);
+ system_init();
+ tcpip_adapter_init();
+ ESP_ERROR_CHECK( esp_event_loop_init(event_handler, NULL) );
+ wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT(esp_event_loop_get_queue() );
+ 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 = "access_point_name",
+ .password = "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);
+ }
+
+ return 0;
+}
+