use press to cycle between screens

src/MeshService.cpp

@@ -74,7 +74,7 @@ void MeshService::loop()
             DEBUG_MSG("Received broadcast Owner from 0x%x, replying with our owner\n", mp->from);
             sendOurOwner(mp->from);
 
-            String lcd = String("Joined: ") + mp->payload.variant.user.long_name;
+            String lcd = String("Joined: ") + mp->payload.variant.user.long_name + "\n";
             screen_print(lcd.c_str());
         }
 

src/main.ino

@@ -352,7 +352,7 @@ void setup()
   // Init GPS
   gps.setup();
 
-  screen_print("Started...");
+  screen_print("Started...\n");
 
   service.init();
 
@@ -401,6 +401,7 @@ void loop()
       DEBUG_MSG("pressing\n");
       wasPressed = true;
       minPressMs = millis() + 3000;
+      screen_press();
     }
   }
   else if (wasPressed)
@@ -427,5 +428,8 @@ void loop()
   // No GPS lock yet, let the OS put the main CPU in low power mode for 100ms (or until another interrupt comes in)
   // i.e. don't just keep spinning in loop as fast as we can.
   //DEBUG_MSG("msecs %d\n", msecstosleep);
+
+  // FIXME - until button press handling is done by interrupt (see polling above) we can't sleep very long at all or buttons feel slow
+  msecstosleep = 10;
   delay(msecstosleep);
 }

src/screen.cpp

@@ -359,9 +359,17 @@ uint32_t screen_loop()
     if (showingBootScreen && ui.getUiState()->currentFrame == 1)
     {
         showingBootScreen = false;
-        ui.setFrames(nonBootFrames, frameCount - 1);
+        ui.setFrames(nonBootFrames, frameCount - 1); 
     }
 
     // If we are scrolling do 30fps, otherwise just 1 fps (to save CPU)
     return (ui.getUiState()->frameState == IN_TRANSITION ? 10 : 500);
 }
+
+
+/// handle press of the button
+void screen_press() {
+    // Once the user presses a button, stop auto scrolling between screens
+    ui.disableAutoTransition();  // we now require presses
+    ui.nextFrame();
+}

src/screen.h

@@ -5,4 +5,4 @@ void screen_print(const char * text);
 /// @return how many msecs can we sleep before we want service again
 uint32_t screen_loop();
 
-void screen_setup(), screen_on(), screen_off(), screen_show_logo();
+void screen_setup(), screen_on(), screen_off(), screen_press();