port to platformio

src/inputs/Buttons.cpp

@@ -0,0 +1,37 @@
+#include "./Buttons.h"
+
+void
+Buttons::onStart()
+{
+    for(int i = 0; i < 3; i++) {
+        //Log.info("Bound pin %d to button %d", 2 + i, i);
+        m_buttons[i].attach(2 + i, INPUT_PULLDOWN);
+        m_buttons[i].interval(15);
+    }
+}
+
+InputEvent
+Buttons::read()
+{
+    for(int i = 0; i < 3; i++) {
+        m_buttons[i].update();
+        if (m_buttons[i].rose()) {
+            //Log.info("Read press on %d", i);
+            int buttonID = m_buttonMap[i];
+            for(int j = 0; j < 3; j++ ) {
+                if (j != i && m_buttons[j].held()) {
+                    buttonID |= m_buttonMap[j];
+                    //Log.info("Chord with %d", j);
+                    m_wasChord[j] = true;
+                }
+            }
+            if (m_wasChord[i]) {
+                //Log.info("Not emitting release from previous chord");
+                m_wasChord[i] = false;
+            } else {
+                return InputEvent{InputEvent::UserInput, buttonID};
+            }
+        }
+    }
+    return InputEvent{};
+}