feat: 使用校准的颜色来显示空闲灯光。

main/light.c

@@ -62,6 +62,22 @@ void led_strip_set_brightness(uint8_t level) {
 
   xTaskCreate(led_strip_fade_in_light_level, "LED_STRIP_FADE_IN_LIGHT_LEVEL",
               4096, NULL, 1, NULL);
+
+  nvs_handle_t nvs_handle;
+  esp_err_t err = nvs_open("storage", NVS_READWRITE, &nvs_handle);
+  err = nvs_set_u8(nvs_handle, "brightness", level);
+  if (err != ESP_OK) {
+    ESP_LOGW(LIGHT_TAG, "Error (%s) saving light level!\n",
+             esp_err_to_name(err));
+    nvs_close(nvs_handle);
+    return;
+  }
+  err = nvs_commit(nvs_handle);
+  if (err != ESP_OK) {
+    ESP_LOGW(LIGHT_TAG, "Error (%s) saving light level!\n",
+             esp_err_to_name(err));
+  }
+  nvs_close(nvs_handle);
 }
 
 void led_strip_set_color_calibration(float red, float green, float blue) {
@@ -210,22 +226,6 @@ void light_for_init() {
   ESP_LOGI(LIGHT_TAG, "light_for_init");
   ESP_ERROR_CHECK(light_led_strip->clear(light_led_strip, 100));
 
-  uint32_t red = 0, green = 0, blue = 0;
-  int8_t i = 0;
-
-  do {
-    for (; i < 50; i++) {
-      for (int j = 0; j < STRIP_LED_NUMBER; j++) {
-        led_strip_hsv2rgb(0, 0, i, &red, &green, &blue);
-        ESP_ERROR_CHECK(
-            light_led_strip->set_pixel(light_led_strip, j, red, green, blue));
-      }
-      ESP_ERROR_CHECK(light_led_strip->refresh(light_led_strip, 100));
-      vTaskDelay(pdMS_TO_TICKS(20));
-    }
-    vTaskDelay(pdMS_TO_TICKS(100));
-  } while (light_mode == light_mode_init);
-
   nvs_handle local_nvs_handle;
   esp_err_t err = nvs_open("storage", NVS_READWRITE, &local_nvs_handle);
   if (err != ESP_OK) {
@@ -233,6 +233,7 @@ void light_for_init() {
   }
 
   uint8_t r = 255, g = 255, b = 255;
+  uint8_t brightness = 200;
   err = nvs_get_u8(local_nvs_handle, "calibration_r", &r);
   if (err != ESP_OK) {
     ESP_LOGW(LIGHT_TAG, "Error (%s) reading calibration_r!",
@@ -248,9 +249,39 @@ void light_for_init() {
     ESP_LOGW(LIGHT_TAG, "Error (%s) reading calibration_b!",
              esp_err_to_name(err));
   }
+  err = nvs_get_u8(local_nvs_handle, "brightness", &brightness);
+  if (err != ESP_OK) {
+    ESP_LOGW(LIGHT_TAG, "Error (%s) reading brightness!", esp_err_to_name(err));
+  }
 
   nvs_close(local_nvs_handle);
 
+  // set brightness
+  led_strip_set_brightness(brightness);
+
+  // play init light
+  float r_f = (float)r / 255.0;
+  float g_f = (float)g / 255.0;
+  float b_f = (float)b / 255.0;
+
+  uint8_t init_r, init_g, init_b;
+
+  do {
+    for (uint8_t i = 0; i < 50; i++) {
+      init_r = (uint8_t)(r_f * (float)i);
+      init_g = (uint8_t)(g_f * (float)i);
+      init_b = (uint8_t)(b_f * (float)i);
+
+      for (int j = 0; j < STRIP_LED_NUMBER; j++) {
+        ESP_ERROR_CHECK(light_led_strip->set_pixel(light_led_strip, j, init_r,
+                                                   init_g, init_b));
+      }
+      ESP_ERROR_CHECK(light_led_strip->refresh(light_led_strip, 100));
+      vTaskDelay(pdMS_TO_TICKS(20));
+    }
+    vTaskDelay(pdMS_TO_TICKS(100));
+  } while (light_mode == light_mode_init);
+
   led_strip_set_color_calibration((float)r / 255.0, (float)g / 255.0,
                                   (float)b / 255.0);
 }
@@ -287,9 +318,11 @@ void light_for_idle() {
       // Build RGB values
       led_strip_hsv2rgb(hue, 50, 30, &red, &green, &blue);
 
-      red = red * display_ambient_light_brightness;
+      red = red * display_ambient_light_brightness * led_strip_red_calibration;
-      green = green * display_ambient_light_brightness;
+      green = green * display_ambient_light_brightness *
-      blue = blue * display_ambient_light_brightness;
+              led_strip_green_calibration;
+      blue =
+          blue * display_ambient_light_brightness * led_strip_blue_calibration;
       // Write RGB values to strip driver
       ESP_ERROR_CHECK(
           light_led_strip->set_pixel(light_led_strip, j, red, green, blue));
@@ -354,6 +387,8 @@ void light_init_strip() {
 void light_play_colors(uint16_t len, uint8_t *buffer) {
   light_mode = light_mode_desktop_sending_colors;
 
+  uint16_t black_count = 0;  // count of black pixels. r/g/b <= 10
+
   for (uint16_t led_index = 0, buffer_cursor = 0;
        led_index < STRIP_LED_NUMBER && buffer_cursor < len;
        led_index++, buffer_cursor += 3) {
@@ -366,9 +401,26 @@ void light_play_colors(uint16_t len, uint8_t *buffer) {
             b = (uint8_t)((float)buffer[buffer_cursor + 2] *
                           display_ambient_light_brightness *
                           led_strip_blue_calibration);
+    if (r <= 10 && g <= 10 && b <= 10) {
+      black_count++;
+    }
     ESP_ERROR_CHECK(
         light_led_strip->set_pixel(light_led_strip, led_index, r, g, b));
   }
+
+  if (black_count > STRIP_LED_NUMBER / 4 * 3) {
+    ESP_ERROR_CHECK(light_led_strip->clear(light_led_strip, 100));
+    uint8_t r = (uint8_t)((float)100 * display_ambient_light_brightness *
+                          led_strip_red_calibration),
+            g = (uint8_t)((float)100 * display_ambient_light_brightness *
+                          led_strip_green_calibration),
+            b = (uint8_t)((float)100 * display_ambient_light_brightness *
+                          led_strip_blue_calibration);
+    for (uint16_t led_index = 0; led_index < STRIP_LED_NUMBER; led_index++) {
+      ESP_ERROR_CHECK(
+          light_led_strip->set_pixel(light_led_strip, led_index, r, g, b));
+    }
+  }
   ESP_ERROR_CHECK(light_led_strip->refresh(light_led_strip, 100));
   vTaskDelay(pdMS_TO_TICKS(10));
 }

main/main.c

@@ -25,8 +25,8 @@ void app_main(void) {
   display_print8_str(0, 0, "Ambient Light");
   ci_03t_init();
   apes_9960_init();
-  apes_9960_auto_fetch();
+  // apes_9960_auto_fetch();
-  auto_fetch_temperature();
+  // auto_fetch_temperature();
   pca9555_init();
   ui_input_init();
   xTaskCreate(mqtt_publish_ui_input, "mqtt_publish_ui_input", 2048, NULL, 10,