Switch to using a bit vector for keypress state. This gets us debouncing and

may be interesting for mouse acceleration

ArduinoKeyboard.ino

@@ -62,53 +62,45 @@ static const Key keymaps[LAYERS][ROWS][COLS] = {
 };
 
 
-void reset_matrix() {
-  for (int col = 0; col < COLS; col++) {
-    for (int row = 0; row < ROWS; row++) {
-      matrixState[row][col] <<= 1;
-    }
+boolean key_was_pressed (byte keyState) {
+    if ( byte((keyState >> 4)) ^ B00001111 ) {
+        return false;
     }
+    else {
+        return true;
     }
 
-void send_key_event() {
-  //for every newly pressed button, figure out what logical key it is and send a key down event
-  // for every newly released button, figure out what logical key it is and send a key up event
-
-    // TODO:switch to sending raw HID packets
-  for (int row = 0; row < ROWS; row++) {
-
-    for (int col = 0; col < COLS; col++) {
-      if (key_toggled_on (matrixState[row][col])) {
-        Keyboard.press(keymaps[current_keymap][row][col].rawKey);
-      }
-      else if (key_toggled_off (matrixState[row][col])) {
-        Keyboard.release(keymaps[current_keymap][row][col].rawKey);
 }
+
+boolean key_was_not_pressed (byte keyState) {
+    if ( byte((keyState >> 4)) ^ B00000000 ) {
+        return false;
     }
+    else {
+        return true;
     }
+
 }
 
-boolean key_was_pressed (byte keyState) {
-  if ( byte((keyState >> 4)) ^ B00001111 ){
+boolean key_is_pressed (byte keyState) {
+
+    if ( byte((keyState << 4)) ^ B11110000 ) {
         return false;
     }
     else {
         return true;
     }
-
 }
+boolean key_is_not_pressed (byte keyState) {
 
-boolean key_was_not_pressed (byte keyState) {
-  if ( byte((keyState >> 4)) ^ B00000000 ){
+    if ( byte((keyState << 4)) ^ B00000000 ) {
         return false;
     }
     else {
         return true;
     }
-
 }
 
-
 boolean key_toggled_on(byte keyState) {
     if (key_is_pressed(keyState) && ( key_was_not_pressed(keyState))) {
         return true;
@@ -129,25 +121,56 @@ boolean key_toggled_off(byte keyState) {
 }
 
 
-boolean key_is_pressed (byte keyState) {
+void reset_matrix() {
+    for (int col = 0; col < COLS; col++) {
+        for (int row = 0; row < ROWS; row++) {
+            matrixState[row][col] <<= 1;
+        }
+    }
+}
 
-  if ( byte((keyState << 4)) ^ B11110000 ){
-    return false; 
+void send_key_event() {
+    //for every newly pressed button, figure out what logical key it is and send a key down event
+    // for every newly released button, figure out what logical key it is and send a key up event
+
+    // TODO:switch to sending raw HID packets
+    for (int row = 0; row < ROWS; row++) {
+
+        for (int col = 0; col < COLS; col++) {
+            int x = 0;
+            int y = 0;
+            if (keymaps[current_keymap][row][col].flags & MOUSE_KEY ) {
+                if (keymaps[current_keymap][row][col].rawKey & MOUSE_UP) {
+                    y--;
                 }
-  else {
-    return true;
+                if (keymaps[current_keymap][row][col].rawKey & MOUSE_DN) {
+                    y++;
                 }
+                if (keymaps[current_keymap][row][col].rawKey & MOUSE_L) {
+                    x--;
                 }
-boolean key_is_not_pressed (byte keyState) {
 
-  if ( byte((keyState << 4)) ^ B00000000 ){
-    return false; 
+                if (keymaps[current_keymap][row][col].rawKey & MOUSE_R) {
+                    x++;
+                }
+                Mouse.move(x, y, 0);
+
+
+
+
+            }
+
+            if (key_toggled_on (matrixState[row][col])) {
+                Keyboard.press(keymaps[current_keymap][row][col].rawKey);
+            }
+            else if (key_toggled_off (matrixState[row][col])) {
+                Keyboard.release(keymaps[current_keymap][row][col].rawKey);
+            }
         }
-  else {
-    return true;
     }
 }
 
+
 void setup_matrix() {
     //set up the row pins as outputs
     for (int row = 0; row < ROWS; row++) {
@@ -171,7 +194,7 @@ void setup_matrix() {
 }
 
 void scan_matrix() {
-  //scan the keyboard matrix looking for connections
+    //scan the Keyboard matrix looking for connections
     for (int row = 0; row < ROWS; row++) {
         digitalWrite(rowPins[row], LOW);
         for (int col = 0; col < COLS; col++) {
@@ -184,9 +207,9 @@ void scan_matrix() {
                 matrixState[row][col] |= 1; // noop. just here for clarity
             }
             // while we're inspecting the electrical matrix, we look
-      // to see if the key being held is a firmware level 
+            // to see if the Key being held is a firmware level
             // metakey, so we can act on it, lest we only discover
-      // that we should be looking at a seconary keymap halfway through the matrix scan
+            // that we should be looking at a seconary Keymap halfway through the matrix scan
 
 
 
@@ -240,7 +263,7 @@ void report(int row, int col, boolean value) {
 
 void setup() {
     Keyboard.begin();
-
+    Mouse.begin();
     Serial.begin(115200);
     setup_matrix();
 }