From 40a88c0cbf98fee9f06382ca205db65f647eed04 Mon Sep 17 00:00:00 2001
From: Jesse Vincent <jesse@bestpractical.com>
Date: Fri, 22 Jan 2016 15:14:17 -0800
Subject: [PATCH] Switch from explicitly releasing keys to just assuming a
 fresh key report on every scan

---
 KeyboardioFirmware.h   |  1 -
 KeyboardioFirmware.ino | 15 +--------------
 2 files changed, 1 insertion(+), 15 deletions(-)

diff --git a/KeyboardioFirmware.h b/KeyboardioFirmware.h
index d3f786ec..fdf58005 100644
--- a/KeyboardioFirmware.h
+++ b/KeyboardioFirmware.h
@@ -89,7 +89,6 @@ void handle_mouse_key_press(byte switchState, Key mappedKey, char &x, char &y);
 void send_key_events();
 void send_key_event(byte row, byte col);
 void press_key(Key mappedKey);
-void release_key(Key mappedKey);
 
 int setup_sx1509(sx1509Class sx1509, int colpins[], int rowpins[]);
 
diff --git a/KeyboardioFirmware.ino b/KeyboardioFirmware.ino
index 483ed04d..5ca0821f 100644
--- a/KeyboardioFirmware.ino
+++ b/KeyboardioFirmware.ino
@@ -140,6 +140,7 @@ void scan_matrix() {
     }
     TS("Sending key report");
     Keyboard.sendReport();
+    Keyboard.releaseAll();
     handle_mouse_movement(x, y);
 }
 
@@ -401,11 +402,7 @@ void send_key_event(byte row, byte col) {
         handle_synthetic_key_press(switchState, mappedKey);
     } else {
         if (key_is_pressed(switchState)) {
-            if (key_toggled_on (switchState)) {
                 press_key(mappedKey);
-            }
-        } else if (key_toggled_off (switchState)) {
-            release_key(mappedKey);
         }
 
 
@@ -431,16 +428,6 @@ void press_key(Key mappedKey) {
     }
 }
 
-void release_key(Key mappedKey) {
-    if (mappedKey.flags & SHIFT_HELD) {
-        Keyboard.release(Key_LShift.rawKey);
-    }
-
-    Keyboard.release(mappedKey.rawKey);
-}
-
-
-
 void make_input(sx1509Class sx1509, int pin) {
     sx1509.pinDir(pin, INPUT);  // Set SX1509 pin 1 as an input
     sx1509.writePin(pin, HIGH);  // Activate pull-up