First Commit

libraries/ssd1306/examples/direct_draw/menu_demo/buttons.cpp

@@ -0,0 +1,47 @@
+/*
+    MIT License
+
+    Copyright (c) 2017-2018, Alexey Dynda
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in all
+    copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+    SOFTWARE.
+*/
+
+#include "buttons.h"
+#include "ssd1306.h"
+
+uint8_t getPressedButton(uint8_t analogPin)
+{
+  int buttonValue = analogRead(analogPin);
+  if (buttonValue < 100) {
+    return BUTTON_RIGHT;
+  }
+  else if (buttonValue < 200) {
+    return BUTTON_UP;
+  }
+  else if (buttonValue < 400){
+    return BUTTON_DOWN;
+  }
+  else if (buttonValue < 600){
+    return BUTTON_LEFT;
+  }
+  else if (buttonValue < 800){
+    return BUTTON_SELECT;
+  }
+  return BUTTON_NONE;
+}