first attempt at macro functionalit

ArduinoKeyboard.ino

@@ -199,7 +199,14 @@ void send_key_events(byte layer)
                                         }
                                 }
                         } else if (mappedKey.flags & SYNTHETIC_KEY) {
-                                if (mappedKey.rawKey == KEY_MOUSE_BTN_L || mappedKey.rawKey == KEY_MOUSE_BTN_M|| mappedKey.rawKey == KEY_MOUSE_BTN_R) {
+				if(mappedKey.flags & IS_MACRO) {
+                                        if (key_toggled_on (switchState)) {
+						if (mappedKey.rawKey == 1) {
+							Keyboard.print("Keyboard.IO keyboard driver v0.00");			
+						}
+					}
+				}
+                                else if (mappedKey.rawKey == KEY_MOUSE_BTN_L || mappedKey.rawKey == KEY_MOUSE_BTN_M|| mappedKey.rawKey == KEY_MOUSE_BTN_R) {
                                         if (key_toggled_on (switchState)) {
                                                 Mouse.press(mappedKey.rawKey);
                                         } else if (key_is_pressed(switchState)) {

key_defs.h

@@ -8,6 +8,9 @@
 #define MOUSE_KEY       B01000000
 #define SYNTHETIC_KEY   B10000000
 
+// we assert that synthetic keys can never have keys held, so we reuse the _HELD bits
+#define IS_MACRO       B00000001
+
 #define MOUSE_UP       B0001
 #define MOUSE_DN     B0010
 #define MOUSE_L     B0100
@@ -26,7 +29,7 @@
 
 #define NoKey (Key){ KEY_FLAGS,0 }
 
-
+#define macroKey1 (Key){ KEY_FLAGS|SYNTHETIC_KEY|IS_MACRO, 1}
 
 
 #define mouseUpL   (Key){ KEY_FLAGS|MOUSE_KEY, MOUSE_UP | MOUSE_L }

keymaps.h

@@ -9,7 +9,7 @@ static const Key keymaps[LAYERS][ROWS][COLS] = {
         },
         {
                 { NoKey,     Key_1,  Key_2, Key_3, Key_4, Key_5,  NoKey,      NoKey,  Key_6,  Key_7, Key_8, Key_9,  Key_0, NoKey  },
-                { Key_Backtick, Key_Q,  mouseBtnL, mouseBtnM, mouseBtnR, Key_T,  NoKey,      NoKey,  Key_LCurlyBracket,  Key_RCurlyBracket, Key_LSquareBracket, Key_RSquareBracket, Key_P, Key_Equals},
+                { Key_Backtick, macroKey1,  mouseBtnL, mouseBtnM, mouseBtnR, Key_T,  NoKey,      NoKey,  Key_LCurlyBracket,  Key_RCurlyBracket, Key_LSquareBracket, Key_RSquareBracket, Key_P, Key_Equals},
                 { Key_PageUp,   mouseL, mouseUp, mouseDn, mouseR, Key_G,  Key_Tab,       Key_Return, Key_LArrow, Key_DnArrow,  Key_UpArrow, Key_RArrow, Key_Semicolon, Key_Quote},
                 { Key_PageDn,   Key_Z,  mouseBtnL, mouseBtnM, mouseBtnR, Key_B,  Key_Esc,       Key_Return, Key_Pipe,  Key_M, Key_Comma, Key_Period, Key_Backslash,  Key_Minus},
                 { Key_LGUI,     Key_Backspace, Key_LShift, Key_LCtrl, NextKeymap, NoKey,    NoKey, NoKey, NoKey,  NextKeymap, Key_RCtrl, Key_RShift, Key_Space,  Key_RAlt }