feat: 记住颜色校准的值。

main/CMakeLists.txt

@@ -1,2 +1,2 @@
-idf_component_register(SRCS "apds_9960.c" "pca9555.c" "i2c.c" "asr_pro.c" "ci_03t.c" "ui_input.c" "ambient_light.c" "temperature.c" "embedded_display.c" "mqtt.c" "main.c" "wifi.c" "light.c" "mqtt.c"
+idf_component_register(SRCS "app_nvs.c" "apds_9960.c" "pca9555.c" "i2c.c" "asr_pro.c" "ci_03t.c" "ui_input.c" "ambient_light.c" "temperature.c" "embedded_display.c" "mqtt.c" "main.c" "wifi.c" "light.c" "mqtt.c"
                     INCLUDE_DIRS ".")

main/app_nvs.c

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <stdio.h>
+
+#include "esp_system.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "nvs.h"
+#include "nvs_flash.h"
+
+void app_nvs_init() {
+  esp_err_t err = nvs_flash_init();
+  if (err == ESP_ERR_NVS_NO_FREE_PAGES ||
+      err == ESP_ERR_NVS_NEW_VERSION_FOUND) {
+    ESP_ERROR_CHECK(nvs_flash_erase());
+    err = nvs_flash_init();
+  }
+  ESP_ERROR_CHECK(err);
+}

main/light.c

@@ -9,9 +9,12 @@
 #pragma once
 #include "driver/rmt.h"
 #include "esp_log.h"
+#include "esp_system.h"
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
 #include "led_strip.h"
+#include "nvs.h"
+#include "nvs_flash.h"
 #include "sdkconfig.h"
 
 static const char *LIGHT_TAG = "DisplayAmbientLight_Light";
@@ -65,6 +68,46 @@ void led_strip_set_color_calibration(float red, float green, float blue) {
   led_strip_red_calibration = red;
   led_strip_green_calibration = green;
   led_strip_blue_calibration = blue;
+
+  nvs_handle_t local_nvs_handle;
+
+  esp_err_t err = nvs_open("storage", NVS_READWRITE, &local_nvs_handle);
+
+  if (err != ESP_OK) {
+    ESP_LOGW(LIGHT_TAG, "Error (%s) opening NVS handle!\n",
+             esp_err_to_name(err));
+    return;
+  }
+
+  err = nvs_set_u8(local_nvs_handle, "calibration_r", (uint32_t)(red * 255));
+  if (err != ESP_OK) {
+    nvs_close(local_nvs_handle);
+    ESP_LOGW(LIGHT_TAG, "Error (%s) write calibration_r failed!",
+             esp_err_to_name(err));
+    return;
+  }
+  err = nvs_set_u8(local_nvs_handle, "calibration_g", (uint8_t)(green * 255));
+  if (err != ESP_OK) {
+    nvs_close(local_nvs_handle);
+    ESP_LOGW(LIGHT_TAG, "Error (%s) calibration_g failed!",
+             esp_err_to_name(err));
+    return;
+  }
+  err = nvs_set_u8(local_nvs_handle, "calibration_b", (uint8_t)(blue * 255));
+  if (err != ESP_OK) {
+    nvs_close(local_nvs_handle);
+    ESP_LOGW(LIGHT_TAG, "Error (%s) calibration_b failed!",
+             esp_err_to_name(err));
+    return;
+  }
+
+  err = nvs_commit(local_nvs_handle);
+  if (err != ESP_OK) {
+    ESP_LOGW(LIGHT_TAG, "Error (%s) save led_strip_red_calibration failed!",
+             esp_err_to_name(err));
+  }
+
+  nvs_close(local_nvs_handle);
 }
 
 /**
@@ -171,17 +214,45 @@ void light_for_init() {
   int8_t i = 0;
 
   do {
-    for (; i < 100; i++) {
+    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(10));
+      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) {
+    ESP_LOGW(LIGHT_TAG, "Error (%s) opening NVS handle!", esp_err_to_name(err));
+  }
+
+  uint8_t r = 255, g = 255, b = 255;
+  err = nvs_get_u8(local_nvs_handle, "calibration_r", &r);
+  if (err != ESP_OK) {
+    ESP_LOGW(LIGHT_TAG, "Error (%s) reading calibration_r!",
+             esp_err_to_name(err));
+  }
+  err = nvs_get_u8(local_nvs_handle, "calibration_g", &g);
+  if (err != ESP_OK) {
+    ESP_LOGW(LIGHT_TAG, "Error (%s) reading calibration_g!",
+             esp_err_to_name(err));
+  }
+  err = nvs_get_u8(local_nvs_handle, "calibration_b", &b);
+  if (err != ESP_OK) {
+    ESP_LOGW(LIGHT_TAG, "Error (%s) reading calibration_b!",
+             esp_err_to_name(err));
+  }
+
+  nvs_close(local_nvs_handle);
+
+  led_strip_set_color_calibration((float)r / 255.0, (float)g / 255.0,
+                                  (float)b / 255.0);
 }
 
 void light_for_connecting_wifi() {

main/main.c

@@ -1,4 +1,5 @@
 #include "apds_9960.c"
+#include "app_nvs.c"
 #include "ci_03t.c"
 #include "embedded_display.c"
 #include "esp_log.h"
@@ -16,6 +17,7 @@
 static const char *TAG = "DisplayAmbientLight";
 
 void app_main(void) {
+  app_nvs_init();
   light_init_strip();
   init_i2c();
   i2c_check_slaves();