✨ feat:增加背光自动调节功能

Firmware/Source/Application/BackLight.c

@@ -63,8 +63,6 @@ void Data_Light_Res_service(Light_uint8_t deltaTime)//获取光感阻值，并
     uint8_t i, j;
     uint32_t temp32;
     static uint16_t timeCount = 0;
-    if(GET_Backlight() == Backlight_ATUO)
-    {
     if (timeCount >= LIGHT_DATA_TIME)
     {
         timeCount = 0;
@@ -72,7 +70,6 @@ void Data_Light_Res_service(Light_uint8_t deltaTime)//获取光感阻值，并
         {
             /*获取光敏电阻*/
             LightRes = ADC_Read_Signal(ADC_CH_LIGHT_SENSITIVE); // ADC_Read_Signal(ADC_CH_FUEL1);
-
             /*四舍五入*/
             if (LightRes < 32000)
             {
@@ -114,6 +111,8 @@ void Data_Light_Res_service(Light_uint8_t deltaTime)//获取光感阻值，并
         }
     }
     timeCount += deltaTime;
+    if(GET_Backlight() == Backlight_ATUO)
+    {
         if(LightADCompleteFlg)
         {
             if(LightR <= 800)
@@ -145,6 +144,29 @@ void Data_Light_Res_service(Light_uint8_t deltaTime)//获取光感阻值，并
         }
 
     }
+    else if(Menu_Item_Select_Get(MENU_ITEM_SELECT_AUTO))
+    {
+        if(Backlight_SetPwmLevel() == 1U)
+        {
+            TimerM_PWM_set_duty(TIMERM_COUNTER1, TIMERM_CHB, 100);
+        }
+        else if(Backlight_SetPwmLevel() == 2U)
+        {
+            TimerM_PWM_set_duty(TIMERM_COUNTER1, TIMERM_CHB, 200);
+        }
+        else if(Backlight_SetPwmLevel() == 3U)
+        {
+            TimerM_PWM_set_duty(TIMERM_COUNTER1, TIMERM_CHB, 400);
+        }
+        else if(Backlight_SetPwmLevel() == 4U)
+        {
+            TimerM_PWM_set_duty(TIMERM_COUNTER1, TIMERM_CHB, 600);
+        }
+        else if(Backlight_SetPwmLevel() == 5U)
+        {
+            TimerM_PWM_set_duty(TIMERM_COUNTER1, TIMERM_CHB, 800);
+        }
+    }
     else
     {
         BackLight_Process();
@@ -209,8 +231,29 @@ Light_uint8_t Backlight_SetPwmEn(void)
 /* 背光等级回调函数 */
 Light_uint8_t Backlight_SetPwmLevel(void)
 {
+    Light_uint8_t Backlight_PwmLevel;
 
-    return 1;
+    if(LightR > 0 && LightR <= 400)
+    {
+        Backlight_PwmLevel = 1U;
+    }
+    else if(LightR > 400 && LightR <= 800)
+    {
+        Backlight_PwmLevel = 2U;
+    }
+    else if(LightR > 800 && LightR <= 1400)
+    {
+        Backlight_PwmLevel = 3U;
+    }
+    else if(LightR > 1400 && LightR <= 2000)
+    {
+        Backlight_PwmLevel = 4U;
+    }
+    else if(LightR > 2000 && LightR <= 2600)
+    {
+        Backlight_PwmLevel = 5U;
+    }
+    return Backlight_PwmLevel;
 }
 
 /* 获取电阻值回调函数 */

Firmware/Source/Application/BackLight.h

@@ -23,6 +23,7 @@
 
 void Backlight_KL30_Wakeup_Init(void);
 void BackLight_Process(void);
+Light_uint8_t Backlight_SetPwmLevel(void);