Settings: disable onboard LED

main/board_led.c

@@ -0,0 +1,57 @@
+#include "board_led.h"
+#include "hw_pins.h"
+#include "driver/gpio.h"
+#include "esp_log.h"
+#include "nvs_flash.h"
+#include "nvs.h"
+
+static const char *TAG = "board_led";
+static bool s_led_enabled = false;
+
+esp_err_t board_led_init(void)
+{
+    /* Configure GPIO */
+    gpio_config_t io_conf = {
+        .pin_bit_mask = (1ULL << HW_STATUS_LED_GPIO),
+        .mode = GPIO_MODE_OUTPUT,
+        .pull_up_en = GPIO_PULLUP_DISABLE,
+        .pull_down_en = GPIO_PULLDOWN_DISABLE,
+        .intr_type = GPIO_INTR_DISABLE,
+    };
+    gpio_config(&io_conf);
+
+    /* Load persisted preference from NVS (default: false / OFF) */
+    nvs_handle_t h;
+    if (nvs_open("mtg_cfg", NVS_READONLY, &h) == ESP_OK) {
+        uint8_t val = 0;
+        if (nvs_get_u8(h, "led_en", &val) == ESP_OK) {
+            s_led_enabled = (val != 0);
+        }
+        nvs_close(h);
+    }
+
+    gpio_set_level(HW_STATUS_LED_GPIO, s_led_enabled ? 1 : 0);
+    ESP_LOGI(TAG, "Onboard status LED initialized on GPIO %d (state: %s)",
+             HW_STATUS_LED_GPIO, s_led_enabled ? "ON" : "OFF");
+    return ESP_OK;
+}
+
+bool board_led_get_enabled(void)
+{
+    return s_led_enabled;
+}
+
+void board_led_set_enabled(bool enabled)
+{
+    s_led_enabled = enabled;
+    gpio_set_level(HW_STATUS_LED_GPIO, s_led_enabled ? 1 : 0);
+
+    /* Persist to NVS */
+    nvs_handle_t h;
+    if (nvs_open("mtg_cfg", NVS_READWRITE, &h) == ESP_OK) {
+        nvs_set_u8(h, "led_en", enabled ? 1 : 0);
+        nvs_commit(h);
+        nvs_close(h);
+    }
+    ESP_LOGI(TAG, "Onboard status LED set to %s", enabled ? "ON" : "OFF");
+}