Add color and brightness for Backlight LEDs

lib/obp60task/OBP60Extensions.cpp

@@ -77,16 +77,41 @@ void togglePortPin(uint pin){
     digitalWrite(pin, !digitalRead(pin));
 }
 
-void toggleBacklightLED(){
+CRGB colorMapping(String colorString){
+    CRGB color = CRGB::Red;
+    if(colorString == "Red"){color = CRGB::Red;}
+    if(colorString == "Orange"){color = CRGB::Orange;}
+    if(colorString == "Yellow"){color = CRGB::Yellow;}
+    if(colorString == "Green"){color = CRGB::Green;}
+    if(colorString == "Blue"){color = CRGB::Blue;}
+    if(colorString == "Aqua"){color = CRGB::Aqua;}
+    if(colorString == "Violet"){color = CRGB::Violet;}
+    if(colorString == "White"){color = CRGB::White;}
+    return color;
+}
+
+// All defined colors see pixeltypes.h in FastLED lib
+void setBacklightLED(uint brightness, CRGB color){
+    FastLED.setBrightness(brightness); // Brightness for flash LED
+    backlight[0] = color; // Backlight LEDs on with color
+    backlight[1] = color;
+    backlight[2] = color;
+    backlight[3] = color;
+    backlight[4] = color;
+    backlight[5] = color;
+    FastLED.show(); 
+}
+
+void toggleBacklightLED(uint brightness, CRGB color){
     statusBacklightLED = !statusBacklightLED;
-    FastLED.setBrightness(255); // Brightness for flash LED
+    FastLED.setBrightness(brightness); // Brightness for flash LED
     if(statusBacklightLED == true){
-        backlight[0] = CRGB::White; // Backlight LEDs on
+        backlight[0] = color; // Backlight LEDs on
-        backlight[1] = CRGB::White;
+        backlight[1] = color;
-        backlight[2] = CRGB::White;
+        backlight[2] = color;
-        backlight[3] = CRGB::White;
+        backlight[3] = color;
-        backlight[4] = CRGB::White;
+        backlight[4] = color;
-        backlight[5] = CRGB::White;
+        backlight[5] = color;
     }
     else{
         backlight[0] = CRGB::Black; // Backlight LEDs off

lib/obp60task/OBP60Extensions.h

@@ -31,7 +31,9 @@ void setPortPin(uint pin, bool value);          // Set port pin for extension po
 
 void togglePortPin(uint pin);                   // Toggle extension port pin
 
-void toggleBacklightLED();                      // Toggle backlight LEDs
+CRGB colorMapping(String colorString);          // Color mapping string to CRGB colors
+void setBacklightLED(uint brightness, CRGB color);// Set backlight LEDs
+void toggleBacklightLED(uint brightness, CRGB color);// Toggle backlight LEDs
 
 void setFlashLED(bool status);                  // Set flash LED
 void blinkingFlashLED();                        // Blinking function for flash LED

lib/obp60task/config.json

@@ -648,6 +648,41 @@
             "obp60":"true"
         }
     },
+    {
+        "name": "blColor",
+        "label": "Backlight Color",
+        "type": "list",
+        "default": "Red",
+        "description": "Backlight color",
+        "list": [
+            "Red",
+            "Orange",
+            "Yellow",
+            "Green",
+            "Blue",
+            "Aqua",
+            "Violet",
+            "White"
+        ],
+        "category": "OBP60 Display",
+        "capabilities": {
+            "obp60":"true"
+        }
+    },
+    {
+        "name": "blBrightness",
+        "label": "Brightness [%]",
+        "type": "number",
+        "default": "50",
+        "check": "checkMinMax",
+        "min": 0,
+        "max": 100,
+        "description": "Backlight brightness [0...100%]",
+        "category": "OBP60 Display",
+        "capabilities": {
+            "obp60":"true"
+        }
+    },
     {
         "name": "flashLED",
         "label": "Flash LED Mode",

lib/obp60task/obp60task.cpp

@@ -49,14 +49,16 @@ void OBP60Init(GwApi *api){
     // Settings for backlight
     String backlightMode = api->getConfig()->getConfigItem(api->getConfig()->backlight,true)->asString();
     api->getLogger()->logDebug(GwLog::DEBUG,"Backlight Mode is: %s", backlightMode);
+    String backlightColor = api->getConfig()->getConfigItem(api->getConfig()->blColor,true)->asString();
+    uint brightness = uint(api->getConfig()->getConfigItem(api->getConfig()->blBrightness,true)->asInt());
     if(String(backlightMode) == "On"){
-//           setPortPin(OBP_BACKLIGHT_LED, true);
+           setBacklightLED(brightness, CRGB::Red);
     }
     if(String(backlightMode) == "Off"){
-//           setPortPin(OBP_BACKLIGHT_LED, false);
+           setBacklightLED(0, CRGB::Black);
     }
     if(String(backlightMode) == "Control by Key"){
-//           setPortPin(OBP_BACKLIGHT_LED, false);
+           setBacklightLED(0, CRGB::Black);
     }
 
     // Settings flash LED mode
@@ -351,6 +353,9 @@ void OBP60Task(GwApi *api){
     String backlight = api->getConfig()->getConfigItem(api->getConfig()->backlight,true)->asString();
     String gpsOn=api->getConfig()->getConfigItem(api->getConfig()->useGPS,true)->asString();
     String tz = api->getConfig()->getConfigItem(api->getConfig()->timeZone,true)->asString();
+    String backlightColor = api->getConfig()->getConfigItem(api->getConfig()->blColor,true)->asString();
+    CRGB color = colorMapping(backlightColor);
+    uint brightness = 2.55 * uint(api->getConfig()->getConfigItem(api->getConfig()->blBrightness,true)->asInt());
 
     // refreshmode defined in init section
     // displaycolor defined in init section
@@ -417,7 +422,7 @@ void OBP60Task(GwApi *api){
                     if(String(backlight) == "Control by Key"){
                         if(keyboardMessage == 6){
                             LOG_DEBUG(GwLog::LOG,"Toggle Backlight LED");
-                            toggleBacklightLED();
+                            toggleBacklightLED(brightness, color);
                         }
                     }
                     // #9 Swipe right