init

main/CMakeLists.txt

@@ -0,0 +1,3 @@
+idf_component_register(SRCS "hello_world_main.c"
+                       PRIV_REQUIRES spi_flash esp_driver_gpio
+                       INCLUDE_DIRS "")

main/hello_world_main.c

@@ -0,0 +1,34 @@
+
+#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"
+
+#define LED_GPIO 15
+
+void app_main(void)
+{
+
+    gpio_config_t io_conf = {
+        .pin_bit_mask = LED_GPIO,
+        .mode = GPIO_MODE_OUTPUT,
+        .pull_up_en = GPIO_PULLUP_DISABLE,
+        .pull_down_en = GPIO_PULLDOWN_DISABLE,
+        .intr_type = GPIO_INTR_DISABLE, // No interrupt for now
+    };
+
+    esp_err_t ret = gpio_config(&io_conf);
+
+    while(1) {
+        printf("hello");
+        vTaskDelay(1000 / portTICK_PERIOD_MS);
+        gpio_set_level(LED_GPIO, 1);
+        vTaskDelay(1000 / portTICK_PERIOD_MS);
+        gpio_set_level(LED_GPIO, 0);
+    }
+}