Backlight brightness tuned down for backlight menu entries #275

egzumer · Dec 15, 2023 · 1151cf8 · 1151cf8
1 parent af6b542
commit 1151cf8
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Showing 3 changed files with 13 additions and 3 deletions.
diff --git a/driver/backlight.c b/driver/backlight.c
@@ -103,8 +103,16 @@ bool BACKLIGHT_IsOn()
 	return backlightOn;
 }
 
+static uint8_t currentBrightness;
+
 void BACKLIGHT_SetBrightness(uint8_t brigtness)
 {
+	currentBrightness = brigtness;
 	PWM_PLUS0_CH0_COMP = (1 << brigtness) - 1;
 	//PWM_PLUS0_SWLOAD = 1;
 }
+
+uint8_t BACKLIGHT_GetBrightness(void)
+{
+	return currentBrightness;
+}
diff --git a/driver/backlight.h b/driver/backlight.h
@@ -36,5 +36,6 @@ void BACKLIGHT_TurnOn();
 void BACKLIGHT_TurnOff();
 bool BACKLIGHT_IsOn();
 void BACKLIGHT_SetBrightness(uint8_t brigtness);
+uint8_t BACKLIGHT_GetBrightness(void);
 
 #endif
diff --git a/ui/menu.c b/ui/menu.c
@@ -590,16 +590,17 @@ void UI_DisplayMenu(void)
 
 		case MENU_ABR:
 			strcpy(String, gSubMenu_BACKLIGHT[gSubMenuSelection]);
-			BACKLIGHT_SetBrightness(-1);
+			if(BACKLIGHT_GetBrightness() < 4)
+				BACKLIGHT_SetBrightness(4);
 			break;
 
 		case MENU_ABR_MIN:
 		case MENU_ABR_MAX:
 			sprintf(String, "%d", gSubMenuSelection);
 			if(gIsInSubMenu)
 				BACKLIGHT_SetBrightness(gSubMenuSelection);
-			else
-				BACKLIGHT_SetBrightness(-1);
+			else if(BACKLIGHT_GetBrightness() < 4)
+				BACKLIGHT_SetBrightness(4);
 			break;	
 
 		case MENU_AM: