refactor debug key

firmware/src/debug.cpp

@@ -40,3 +40,10 @@ void fatal() {
     digitalWrite(LED_BUILTIN, LOW);
   }
 }
+
+char getDebugKey() {
+  if (Serial.available() > 0) {
+    return Serial.read();
+  }
+  return 0;
+}

firmware/src/debug.h

@@ -3,3 +3,17 @@
 void setupDebug();
 void debugScanI2C();
 void fatal();
+
+/**
+ * Via serial:
+ *
+ * Keyboard:
+ *  01232456789
+ *  abcd (ABCD)
+ *  * / .
+ *  # / Backspace
+ *
+ * Encoder: [ / ]
+ * Encoder switch: Space
+*/
+char getDebugKey();

firmware/src/keyboard.cpp

@@ -133,39 +133,46 @@ uint8_t getPressedDigit(Key key) {
 Key handleDebugKeyboard(char key) {
   if (!key) {
     return KEY_NONE;
-  } else if (key == '1') {
+  }
+
+  // keyboard: 123A 456B 789C *0#D
+  // debug keys: 1234567890, abcd, ABCD, *, #
+  // . -> *
+  // Backspace -> #
+
+  if (key == '1') {
     return 0;
   } else if (key == '2') {
     return 1;
   } else if (key == '3') {
     return 2;
-  } else if (key == '4') {
+  } else if (key == 'a' || key == 'A') {
     return 3;
-  } else if (key == 'q') {
+  } else if (key == '4') {
     return 4;
-  } else if (key == 'w') {
+  } else if (key == '5') {
     return 5;
-  } else if (key == 'e') {
+  } else if (key == '6') {
     return 6;
-  } else if (key == 'r') {
+  } else if (key == 'b' || key == 'B') {
     return 7;
-  } else if (key == 'a') {
+  } else if (key == '7') {
     return 8;
-  } else if (key == 's') {
+  } else if (key == '8') {
     return 9;
-  } else if (key == 'd') {
+  } else if (key == '9') {
     return 10;
-  } else if (key == 'f') {
+  } else if (key == 'c' || key == 'C') {
     return 11;
-  } else if (key == 'z') {
+  } else if (key == '*' || key == '.') {
     return 12;
-  } else if (key == 'x') {
+  } else if (key == '0') {
     return 13;
-  } else if (key == 'c') {
+  } else if (key == '#' || (int) key == 8 /* Backspace */) {
     return 14;
-  } else if (key == 'v') {
+  } else if (key == 'd' || key == 'D') {
     return 15;
-  } else {
-    return KEY_NONE;
   }
+
+  return KEY_NONE;
 }

firmware/src/keyboard.h

@@ -31,13 +31,4 @@ Key handleKeyboard();
  */
 uint8_t getPressedDigit(Key key);
 
-
-/*
-
-1234
-QWER
-ASDF
-ZXCV
-
-*/
 Key handleDebugKeyboard(char key);

firmware/src/main.cpp

@@ -35,7 +35,8 @@ unsigned long lastStepperDemoMillis = 0;
 void loop() {
   debugScanI2C();
 
-  char debugKey = Serial.available() > 0 ? Serial.read() : 0;
+  char debugKey = getDebugKey();
+
   if (debugKey == '1') {
     setStepperEnabled(true);
   } else if (debugKey == '2') {