Merge pull request #222 from aHVzY2g/master

Fix #207 adjust OLED Brightness by attachDuringLongPress

src/main.cpp

@@ -136,6 +136,9 @@ Periodic ledPeriodic(ledBlinker);
 void userButtonPressed() {
     powerFSM.trigger(EVENT_PRESS);
 }
+void userButtonPressedLong(){
+    screen.adjustBrightness();
+}
 
 #ifndef NO_ESP32
 void initWifi()
@@ -197,10 +200,12 @@ void setup()
 #ifdef BUTTON_PIN
     userButton = OneButton(BUTTON_PIN, true, true);
     userButton.attachClick(userButtonPressed);
+    userButton.attachDuringLongPress(userButtonPressedLong);
 #endif
 #ifdef BUTTON_PIN_ALT
     userButtonAlt = OneButton(BUTTON_PIN_ALT, true, true);
     userButtonAlt.attachClick(userButtonPressed);
+    userButton.attachDuringLongPress(userButtonPressedLong);
 #endif
 #ifdef LED_PIN
     pinMode(LED_PIN, OUTPUT);

src/screen.cpp

@@ -732,4 +732,19 @@ void DebugInfo::drawFrame(OLEDDisplay *display, OLEDDisplayUiState *state, int16
     display->drawLogBuffer(x, yo);
 }
 
+//adjust Brightness cycle trough 1 to 254 as long as attachDuringLongPress is true
+void Screen::adjustBrightness(){
+    if (brightness == 254)
+    {
+        brightness = 0;
+    } else {
+        brightness++;    
+    }
+    int width = brightness / 1.984375;
+    dispdev.drawRect( 0, 30, 128, 4);
+    dispdev.fillRect(0, 30, width, 4);
+    dispdev.display();
+    dispdev.setBrightness(brightness);
+}
+
 } // namespace meshtastic

src/screen.h

@@ -117,6 +117,10 @@ class Screen : public PeriodicTask
     /// Handles a button press.
     void onPress() { enqueueCmd(CmdItem{.cmd = Cmd::ON_PRESS}); }
 
+    // Implementation to Adjust Brightness
+    void adjustBrightness();
+    int brightness = 150;
+
     /// Starts showing the Bluetooth PIN screen.
     //
     // Switches over to a static frame showing the Bluetooth pairing screen