Merge remote-tracking branch 'upstream/master'

17 files changed, 260 insertions, 107 deletions

diff --git a/tmk_core/common.mk b/tmk_core/common.mk
index 3c1373c081..a86dccc616 100644
--- a/tmk_core/common.mk
+++ b/tmk_core/common.mk
@@ -80,6 +80,14 @@ ifeq ($(strip $(SLEEP_LED_ENABLE)), yes)
     TMK_COMMON_DEFS += -DNO_SUSPEND_POWER_DOWN
 endif
 
+ifeq ($(strip $(NO_UART)), yes)
+    TMK_COMMON_DEFS += -DNO_UART
+endif
+
+ifeq ($(strip $(NO_SUSPEND_POWER_DOWN)), yes)
+    TMK_COMMON_DEFS += -DNO_SUSPEND_POWER_DOWN
+endif
+
 ifeq ($(strip $(BACKLIGHT_ENABLE)), yes)
     TMK_COMMON_SRC += $(COMMON_DIR)/backlight.c
     TMK_COMMON_DEFS += -DBACKLIGHT_ENABLE
diff --git a/tmk_core/common/action.c b/tmk_core/common/action.c
index d485b46c77..f03670a7f7 100644
--- a/tmk_core/common/action.c
+++ b/tmk_core/common/action.c
@@ -49,6 +49,13 @@ void action_exec(keyevent_t event)
 
     keyrecord_t record = { .event = event };
 
+#if (defined(ONESHOT_TIMEOUT) && (ONESHOT_TIMEOUT > 0))
+    if (has_oneshot_layer_timed_out()) {
+        dprintf("Oneshot layer: timeout\n");
+        clear_oneshot_layer_state(ONESHOT_OTHER_KEY_PRESSED);
+    }
+#endif
+
 #ifndef NO_ACTION_TAPPING
     action_tapping_process(record);
 #else
@@ -100,7 +107,7 @@ bool process_record_quantum(keyrecord_t *record) {
     return true;
 }
 
-void process_record(keyrecord_t *record) 
+void process_record(keyrecord_t *record)
 {
     if (IS_NOEVENT(record->event)) { return; }
 
@@ -126,13 +133,6 @@ void process_action(keyrecord_t *record, action_t action)
     uint8_t tap_count = record->tap.count;
 #endif
 
-#if (defined(ONESHOT_TIMEOUT) && (ONESHOT_TIMEOUT > 0))
-    if (has_oneshot_layer_timed_out()) {
-        dprintf("Oneshot layer: timeout\n");
-        clear_oneshot_layer_state(ONESHOT_OTHER_KEY_PRESSED);
-    }
-#endif
-
     if (event.pressed) {
         // clear the potential weak mods left by previously pressed keys
         clear_weak_mods();
diff --git a/tmk_core/common/action_code.h b/tmk_core/common/action_code.h
index 33da35f35f..b15aaa0eb3 100644
--- a/tmk_core/common/action_code.h
+++ b/tmk_core/common/action_code.h
@@ -47,10 +47,15 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
  * 0100|10| usage(10)     (reserved)
  * 0100|11| usage(10)     (reserved)
  *
- * ACT_MOUSEKEY(0110): TODO: Not needed?
+ *
+ * ACT_MOUSEKEY(0101): TODO: Merge these two actions to conserve space?
  * 0101|xxxx| keycode     Mouse key
  *
- * 011x|xxxx xxxx xxxx    (reseved)
+ * ACT_SWAP_HANDS(0110):
+ * 0110|xxxx| keycode     Swap hands (keycode on tap, or options)
+ *
+ *
+ * 0111|xxxx xxxx xxxx    (reserved)
  *
  *
  * Layer Actions(10xx)
@@ -67,7 +72,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
  *   ee:    on event(01:press, 10:release, 11:both)
  *
  * 1001|xxxx|xxxx xxxx   (reserved)
- * 1001|oopp|BBBB BBBB   8-bit Bitwise Operation???
  *
  * ACT_LAYER_TAP(101x):
  * 101E|LLLL| keycode    On/Off with tap key    (0x00-DF)[TAP]
diff --git a/tmk_core/common/action_macro.h b/tmk_core/common/action_macro.h
index aedc32ec6b..f373f5068e 100644
--- a/tmk_core/common/action_macro.h
+++ b/tmk_core/common/action_macro.h
@@ -20,11 +20,33 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "progmem.h"
 
 
-#define MACRO_NONE      0
+
+typedef uint8_t macro_t;
+
+#define MACRO_NONE      (macro_t*)0
 #define MACRO(...)      ({ static const macro_t __m[] PROGMEM = { __VA_ARGS__ }; &__m[0]; })
 #define MACRO_GET(p)    pgm_read_byte(p)
 
-typedef uint8_t macro_t;
+// Sends press when the macro key is pressed, release when release, or tap_macro when the key has been tapped
+#define MACRO_TAP_HOLD(record, press, release, tap_macro) ( ((record)->event.pressed) ? \
+     ( ((record)->tap.count <= 0 || (record)->tap.interrupted) ? (press) : MACRO_NONE ) : \
+     ( ((record)->tap.count > 0 && !((record)->tap.interrupted)) ? (tap_macro) : (release) ) )
+
+// Holds down the modifier mod when the macro key is held, or sends macro instead when tapped
+#define MACRO_TAP_HOLD_MOD(record, macro, mod) MACRO_TAP_HOLD(record, (MACRO(D(mod), END)), MACRO(U(mod), END), macro)
+
+// Holds down the modifier mod when the macro key is held, or pressed a shifted key when tapped (eg: shift+3 for #)
+#define MACRO_TAP_SHFT_KEY_HOLD_MOD(record, key, mod) MACRO_TAP_HOLD_MOD(record, (MACRO(I(10), D(LSFT), T(key), U(LSFT), END)), mod)
+
+
+// Momentary switch layer when held, sends macro if tapped
+#define MACRO_TAP_HOLD_LAYER(record, macro, layer) ( ((record)->event.pressed) ? \
+     ( ((record)->tap.count <= 0 || (record)->tap.interrupted) ? ({layer_on((layer)); MACRO_NONE; }) : MACRO_NONE ) : \
+     ( ((record)->tap.count > 0 && !((record)->tap.interrupted)) ? (macro) : ({layer_off((layer)); MACRO_NONE; }) ) )
+
+// Momentary switch layer when held, presses a shifted key when tapped (eg: shift+3 for #)
+#define MACRO_TAP_SHFT_KEY_HOLD_LAYER(record, key, layer) MACRO_TAP_HOLD_LAYER(record, MACRO(I(10), D(LSFT), T(key), U(LSFT), END), layer)
+     
 
 
 #ifndef NO_ACTION_MACRO
diff --git a/tmk_core/common/avr/bootloader.c b/tmk_core/common/avr/bootloader.c
index ad547b9853..34db8d0b0a 100644
--- a/tmk_core/common/avr/bootloader.c
+++ b/tmk_core/common/avr/bootloader.c
@@ -1,6 +1,7 @@
 #include <stdint.h>
 #include <stdbool.h>
 #include <avr/io.h>
+#include <avr/eeprom.h>
 #include <avr/interrupt.h>
 #include <avr/wdt.h>
 #include <util/delay.h>
@@ -89,6 +90,12 @@ void bootloader_jump(void) {
             _delay_ms(5);
         #endif
 
+        #ifdef BOOTLOADHID_BOOTLOADER
+            // force bootloadHID to stay in bootloader mode, so that it waits
+            // for a new firmware to be flashed
+            eeprom_write_byte((uint8_t *)1, 0x00);
+        #endif
+
         // watchdog reset
         reset_key = BOOTLOADER_RESET_KEY;
         wdt_enable(WDTO_250MS);
@@ -114,6 +121,11 @@ void bootloader_jump(void) {
     #endif
 }
 
+#ifdef __AVR_ATmega32A__
+// MCUSR is actually called MCUCSR in ATmega32A
+#define MCUSR MCUCSR
+#endif
+
 /* this runs before main() */
 void bootloader_jump_after_watchdog_reset(void) __attribute__ ((used, naked, section (".init3")));
 void bootloader_jump_after_watchdog_reset(void)
diff --git a/tmk_core/common/avr/timer.c b/tmk_core/common/avr/timer.c
index 84af444885..369015200d 100644
--- a/tmk_core/common/avr/timer.c
+++ b/tmk_core/common/avr/timer.c
@@ -29,25 +29,35 @@ volatile uint32_t timer_count;
 
 void timer_init(void)
 {
-    // Timer0 CTC mode
-    TCCR0A = 0x02;
-
 #if TIMER_PRESCALER == 1
-    TCCR0B = 0x01;
+    uint8_t prescaler = 0x01;
 #elif TIMER_PRESCALER == 8
-    TCCR0B = 0x02;
+    uint8_t prescaler = 0x02;
 #elif TIMER_PRESCALER == 64
-    TCCR0B = 0x03;
+    uint8_t prescaler = 0x03;
 #elif TIMER_PRESCALER == 256
-    TCCR0B = 0x04;
+    uint8_t prescaler = 0x04;
 #elif TIMER_PRESCALER == 1024
-    TCCR0B = 0x05;
+    uint8_t prescaler = 0x05;
 #else
 #   error "Timer prescaler value is NOT vaild."
 #endif
 
+#ifndef __AVR_ATmega32A__
+    // Timer0 CTC mode
+    TCCR0A = 0x02;
+
+    TCCR0B = prescaler;
+
     OCR0A = TIMER_RAW_TOP;
     TIMSK0 = (1<<OCIE0A);
+#else
+    // Timer0 CTC mode
+    TCCR0 = (1 << WGM01) | prescaler;
+
+    OCR0 = TIMER_RAW_TOP;
+    TIMSK = (1 << OCIE0);
+#endif
 }
 
 inline
@@ -107,7 +117,12 @@ uint32_t timer_elapsed32(uint32_t last)
 }
 
 // excecuted once per 1ms.(excess for just timer count?)
-ISR(TIMER0_COMPA_vect)
+#ifndef __AVR_ATmega32A__
+#define TIMER_INTERRUPT_VECTOR TIMER0_COMPA_vect
+#else
+#define TIMER_INTERRUPT_VECTOR TIMER0_COMP_vect
+#endif
+ISR(TIMER_INTERRUPT_VECTOR, ISR_NOBLOCK)
 {
     timer_count++;
 }
diff --git a/tmk_core/common/command.c b/tmk_core/common/command.c
index 5f29bc0b4e..f79d5a257b 100644
--- a/tmk_core/common/command.c
+++ b/tmk_core/common/command.c
@@ -235,8 +235,11 @@ static void print_status(void)
     print("\n\t- Status -\n");
 
     print_val_hex8(host_keyboard_leds());
+#ifndef PROTOCOL_VUSB
+    // these aren't set on the V-USB protocol, so we just ignore them for now
     print_val_hex8(keyboard_protocol);
     print_val_hex8(keyboard_idle);
+#endif
 #ifdef NKRO_ENABLE
     print_val_hex8(keymap_config.nkro);
 #endif
diff --git a/tmk_core/common/keyboard.c b/tmk_core/common/keyboard.c
index 371d93f3e5..3aa82231b0 100644
--- a/tmk_core/common/keyboard.c
+++ b/tmk_core/common/keyboard.c
@@ -14,6 +14,7 @@ GNU General Public License for more details.
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
+
 #include <stdint.h>
 #include "keyboard.h"
 #include "matrix.h"
@@ -188,7 +189,7 @@ MATRIX_LOOP_END:
 #endif
 
 #ifdef VISUALIZER_ENABLE
-    visualizer_update(default_layer_state, layer_state, host_keyboard_leds());
+    visualizer_update(default_layer_state, layer_state, visualizer_get_mods(), host_keyboard_leds());
 #endif
 
     // update LED
diff --git a/tmk_core/common/matrix.h b/tmk_core/common/matrix.h
index cee3593eee..2543f5abce 100644
--- a/tmk_core/common/matrix.h
+++ b/tmk_core/common/matrix.h
@@ -50,7 +50,7 @@ void matrix_init(void);
 uint8_t matrix_scan(void);
 /* whether modified from previous scan. used after matrix_scan. */
 bool matrix_is_modified(void) __attribute__ ((deprecated));
-/* whether a swtich is on */
+/* whether a switch is on */
 bool matrix_is_on(uint8_t row, uint8_t col);
 /* matrix state on row */
 matrix_row_t matrix_get_row(uint8_t row);
diff --git a/tmk_core/common/report.h b/tmk_core/common/report.h
index 0c799eca39..8fb28b6ce3 100644
--- a/tmk_core/common/report.h
+++ b/tmk_core/common/report.h
@@ -134,13 +134,6 @@ typedef union {
     } nkro;
 #endif
 } __attribute__ ((packed)) report_keyboard_t;
-/*
-typedef struct {
-    uint8_t mods;
-    uint8_t reserved;
-    uint8_t keys[REPORT_KEYS];
-} __attribute__ ((packed)) report_keyboard_t;
-*/
 
 typedef struct {
     uint8_t buttons;
diff --git a/tmk_core/protocol/lufa.mk b/tmk_core/protocol/lufa.mk
index 151d26cbc8..de0cc795f6 100644
--- a/tmk_core/protocol/lufa.mk
+++ b/tmk_core/protocol/lufa.mk
@@ -8,13 +8,14 @@ LUFA_PATH ?= $(LUFA_DIR)/LUFA-git
 ifneq (, $(wildcard $(TMK_PATH)/$(LUFA_PATH)/LUFA/Build/lufa_sources.mk))
     # New build system from 20120730
     LUFA_ROOT_PATH = $(LUFA_PATH)/LUFA
-    include $(TMK_PATH)/$(LUFA_PATH)/LUFA/Build/lufa_sources.mk 
+    include $(TMK_PATH)/$(LUFA_PATH)/LUFA/Build/lufa_sources.mk
 else
     include $(TMK_PATH)/$(LUFA_PATH)/LUFA/makefile
 endif
 
 LUFA_SRC = lufa.c \
 	   descriptor.c \
+	   outputselect.c \
 	   $(LUFA_SRC_USB)
 
 ifeq ($(strip $(MIDI_ENABLE)), yes)
diff --git a/tmk_core/protocol/lufa/lufa.c b/tmk_core/protocol/lufa/lufa.c
index 6dd5959dc4..ba49284c9b 100644
--- a/tmk_core/protocol/lufa/lufa.c
+++ b/tmk_core/protocol/lufa/lufa.c
@@ -53,6 +53,7 @@
 #include "lufa.h"
 #include "quantum.h"
 #include <util/atomic.h>
+#include "outputselect.h"
 
 #ifdef NKRO_ENABLE
   #include "keycode_config.h"
@@ -589,59 +590,33 @@ void EVENT_USB_Device_ControlRequest(void)
 
 /*******************************************************************************
  * Host driver
-p
  ******************************************************************************/
 static uint8_t keyboard_leds(void)
 {
     return keyboard_led_stats;
 }
 
-#define SendToUSB 1
-#define SendToBT  2
-#define SendToBLE 4
-
-static inline uint8_t where_to_send(void) {
-#ifdef ADAFRUIT_BLE_ENABLE
-#if 0
-  if (adafruit_ble_is_connected()) {
-    // For testing, send to BLE as a priority
-    return SendToBLE;
-  }
-#endif
-
-  // This is the real policy
-  if (USB_DeviceState != DEVICE_STATE_Configured) {
-    if (adafruit_ble_is_connected()) {
-      return SendToBLE;
-    }
-  }
-#endif
-  return ((USB_DeviceState == DEVICE_STATE_Configured) ? SendToUSB : 0)
-#ifdef BLUETOOTH_ENABLE
-    || SendToBT
-#endif
-    ;
-}
-
 static void send_keyboard(report_keyboard_t *report)
 {
+    uint8_t timeout = 255;
+    uint8_t where = where_to_send();
+
 #ifdef BLUETOOTH_ENABLE
-    bluefruit_serial_send(0xFD);
-    for (uint8_t i = 0; i < KEYBOARD_EPSIZE; i++) {
-        bluefruit_serial_send(report->raw[i]);
+    if (where == OUTPUT_BLUETOOTH || where == OUTPUT_USB_AND_BT) {
+        bluefruit_serial_send(0xFD);
+        for (uint8_t i = 0; i < KEYBOARD_EPSIZE; i++) {
+            bluefruit_serial_send(report->raw[i]);
+        }
     }
 #endif
 
-    uint8_t timeout = 255;
-    uint8_t where = where_to_send();
-
 #ifdef ADAFRUIT_BLE_ENABLE
-    if (where & SendToBLE) {
+    if (where == OUTPUT_ADAFRUIT_BLE) {
       adafruit_ble_send_keys(report->mods, report->keys, sizeof(report->keys));
     }
 #endif
 
-    if (!(where & SendToUSB)) {
+    if (where != OUTPUT_USB && where != OUTPUT_USB_AND_BT) {
       return;
     }
 
@@ -681,30 +656,31 @@ static void send_keyboard(report_keyboard_t *report)
 static void send_mouse(report_mouse_t *report)
 {
 #ifdef MOUSE_ENABLE
+    uint8_t timeout = 255;
+    uint8_t where = where_to_send();
 
 #ifdef BLUETOOTH_ENABLE
-    bluefruit_serial_send(0xFD);
-    bluefruit_serial_send(0x00);
-    bluefruit_serial_send(0x03);
-    bluefruit_serial_send(report->buttons);
-    bluefruit_serial_send(report->x);
-    bluefruit_serial_send(report->y);
-    bluefruit_serial_send(report->v); // should try sending the wheel v here
-    bluefruit_serial_send(report->h); // should try sending the wheel h here
-    bluefruit_serial_send(0x00);
+    if (where == OUTPUT_BLUETOOTH || where == OUTPUT_USB_AND_BT) {
+        bluefruit_serial_send(0xFD);
+        bluefruit_serial_send(0x00);
+        bluefruit_serial_send(0x03);
+        bluefruit_serial_send(report->buttons);
+        bluefruit_serial_send(report->x);
+        bluefruit_serial_send(report->y);
+        bluefruit_serial_send(report->v); // should try sending the wheel v here
+        bluefruit_serial_send(report->h); // should try sending the wheel h here
+        bluefruit_serial_send(0x00);
+    }
 #endif
 
-    uint8_t timeout = 255;
-
-    uint8_t where = where_to_send();
-
 #ifdef ADAFRUIT_BLE_ENABLE
-    if (where & SendToBLE) {
+    if (where == OUTPUT_ADAFRUIT_BLE) {
       // FIXME: mouse buttons
       adafruit_ble_send_mouse_move(report->x, report->y, report->v, report->h);
     }
 #endif
-    if (!(where & SendToUSB)) {
+
+    if (where != OUTPUT_USB && where != OUTPUT_USB_AND_BT) {
       return;
     }
 
@@ -746,32 +722,34 @@ static void send_system(uint16_t data)
 
 static void send_consumer(uint16_t data)
 {
+    uint8_t timeout = 255;
+    uint8_t where = where_to_send();
 
 #ifdef BLUETOOTH_ENABLE
-    static uint16_t last_data = 0;
-    if (data == last_data) return;
-    last_data = data;
-    uint16_t bitmap = CONSUMER2BLUEFRUIT(data);
-    bluefruit_serial_send(0xFD);
-    bluefruit_serial_send(0x00);
-    bluefruit_serial_send(0x02);
-    bluefruit_serial_send((bitmap>>8)&0xFF);
-    bluefruit_serial_send(bitmap&0xFF);
-    bluefruit_serial_send(0x00);
-    bluefruit_serial_send(0x00);
-    bluefruit_serial_send(0x00);
-    bluefruit_serial_send(0x00);
+    if (where == OUTPUT_BLUETOOTH || where == OUTPUT_USB_AND_BT) {
+        static uint16_t last_data = 0;
+        if (data == last_data) return;
+        last_data = data;
+        uint16_t bitmap = CONSUMER2BLUEFRUIT(data);
+        bluefruit_serial_send(0xFD);
+        bluefruit_serial_send(0x00);
+        bluefruit_serial_send(0x02);
+        bluefruit_serial_send((bitmap>>8)&0xFF);
+        bluefruit_serial_send(bitmap&0xFF);
+        bluefruit_serial_send(0x00);
+        bluefruit_serial_send(0x00);
+        bluefruit_serial_send(0x00);
+        bluefruit_serial_send(0x00);
+    }
 #endif
 
-    uint8_t timeout = 255;
-    uint8_t where = where_to_send();
-
 #ifdef ADAFRUIT_BLE_ENABLE
-    if (where & SendToBLE) {
+    if (where == OUTPUT_ADAFRUIT_BLE) {
       adafruit_ble_send_consumer_key(data, 0);
     }
 #endif
-    if (!(where & SendToUSB)) {
+
+    if (where != OUTPUT_USB && where != OUTPUT_USB_AND_BT) {
       return;
     }
 
diff --git a/tmk_core/protocol/lufa/outputselect.c b/tmk_core/protocol/lufa/outputselect.c
new file mode 100644
index 0000000000..5d2457bfff
--- /dev/null
+++ b/tmk_core/protocol/lufa/outputselect.c
@@ -0,0 +1,56 @@
+/*
+Copyright 2017 Priyadi Iman Nurcahyo
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "lufa.h"
+#include "outputselect.h"
+#ifdef ADAFRUIT_BLE_ENABLE
+    #include "adafruit_ble.h"
+#endif
+
+uint8_t desired_output = OUTPUT_DEFAULT;
+
+void set_output(uint8_t output) {
+    set_output_user(output);
+    desired_output = output;
+}
+
+__attribute__((weak))
+void set_output_user(uint8_t output) {
+}
+
+uint8_t auto_detect_output(void) {
+    if (USB_DeviceState == DEVICE_STATE_Configured) {
+        return OUTPUT_USB;
+    }
+
+#ifdef ADAFRUIT_BLE_ENABLE
+    if (adafruit_ble_is_connected()) {
+        return OUTPUT_ADAFRUIT_BLE;
+    }
+#endif
+
+#ifdef BLUETOOTH_ENABLE
+    return OUTPUT_BLUETOOTH; // should check if BT is connected here
+#endif
+
+    return OUTPUT_NONE;
+}
+
+uint8_t where_to_send(void) {
+    if (desired_output == OUTPUT_AUTO) {
+        return auto_detect_output();
+    }
+    return desired_output;
+}
+
diff --git a/tmk_core/protocol/lufa/outputselect.h b/tmk_core/protocol/lufa/outputselect.h
new file mode 100644
index 0000000000..79b4dd35dd
--- /dev/null
+++ b/tmk_core/protocol/lufa/outputselect.h
@@ -0,0 +1,41 @@
+/*
+Copyright 2017 Priyadi Iman Nurcahyo
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+enum outputs {
+    OUTPUT_AUTO,
+
+    OUTPUT_NONE,
+    OUTPUT_USB,
+    OUTPUT_BLUETOOTH,
+    OUTPUT_ADAFRUIT_BLE,
+
+    // backward compatibility
+    OUTPUT_USB_AND_BT
+};
+
+/**
+ * backward compatibility for BLUETOOTH_ENABLE, send to BT and USB by default
+ */
+#ifndef OUTPUT_DEFAULT
+    #ifdef BLUETOOTH_ENABLE
+        #define OUTPUT_DEFAULT OUTPUT_USB_AND_BT
+    #else
+        #define OUTPUT_DEFAULT OUTPUT_AUTO
+    #endif
+#endif
+
+void set_output(uint8_t output);
+void set_output_user(uint8_t output);
+uint8_t auto_detect_output(void);
+uint8_t where_to_send(void);
\ No newline at end of file
diff --git a/tmk_core/protocol/vusb.mk b/tmk_core/protocol/vusb.mk
index 3cba3f71a3..897b833e1a 100644
--- a/tmk_core/protocol/vusb.mk
+++ b/tmk_core/protocol/vusb.mk
@@ -18,4 +18,5 @@ endif
 
 
 # Search Path
-VPATH += $(TMK_DIR)/protocol/vusb:$(TMK_DIR)/protocol/vusb/usbdrv
+VPATH += $(TMK_PATH)/$(VUSB_DIR)
+VPATH += $(TMK_PATH)/$(VUSB_DIR)/usbdrv
diff --git a/tmk_core/protocol/vusb/main.c b/tmk_core/protocol/vusb/main.c
index 8e4a266e9b..f6a0c7e9a4 100644
--- a/tmk_core/protocol/vusb/main.c
+++ b/tmk_core/protocol/vusb/main.c
@@ -48,8 +48,12 @@ int main(void)
     uint16_t last_timer = timer_read();
 #endif
 
+#ifdef CLKPR
+    // avoid unintentional changes of clock frequency in devices that have a
+    // clock prescaler
     CLKPR = 0x80, CLKPR = 0;
-#ifndef PS2_USE_USART
+#endif
+#ifndef NO_UART
     uart_init(UART_BAUD_RATE);
 #endif
 
diff --git a/tmk_core/protocol/vusb/vusb.c b/tmk_core/protocol/vusb/vusb.c
index eaa1c512d8..022ac6f6bd 100644
--- a/tmk_core/protocol/vusb/vusb.c
+++ b/tmk_core/protocol/vusb/vusb.c
@@ -15,6 +15,8 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#include <avr/eeprom.h>
+#include <avr/wdt.h>
 #include <stdint.h>
 #include "usbdrv.h"
 #include "usbconfig.h"
@@ -24,6 +26,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "debug.h"
 #include "host_driver.h"
 #include "vusb.h"
+#include "bootloader.h"
 
 
 static uint8_t vusb_keyboard_leds = 0;
@@ -163,6 +166,7 @@ static struct {
     uint16_t        len;
     enum {
         NONE,
+        BOOTLOADER,
         SET_LED
     }               kind;
 } last_req;
@@ -193,6 +197,11 @@ usbRequest_t    *rq = (void *)data;
                 debug("SET_LED: ");
                 last_req.kind = SET_LED;
                 last_req.len = rq->wLength.word;
+#ifdef BOOTLOADER_SIZE
+            } else if(rq->wValue.word == 0x0301) {
+                last_req.kind = BOOTLOADER;
+                last_req.len = rq->wLength.word;
+#endif
             }
             return USB_NO_MSG; // to get data in usbFunctionWrite
         } else {
@@ -220,6 +229,11 @@ uchar usbFunctionWrite(uchar *data, uchar len)
             last_req.len = 0;
             return 1;
             break;
+        case BOOTLOADER:
+            usbDeviceDisconnect();
+            bootloader_jump();
+            return 1;
+            break;
         case NONE:
         default:
             return -1;
@@ -266,7 +280,7 @@ const PROGMEM uchar keyboard_hid_report[] = {
     0x95, 0x06,          //   Report Count (6),
     0x75, 0x08,          //   Report Size (8),
     0x15, 0x00,          //   Logical Minimum (0),
-    0x25, 0xFF, 0x00     //   Logical Maximum(255),
+    0x26, 0xFF, 0x00,    //   Logical Maximum(255),
     0x05, 0x07,          //   Usage Page (Key Codes),
     0x19, 0x00,          //   Usage Minimum (0),
     0x29, 0xFF,          //   Usage Maximum (255),
@@ -336,7 +350,7 @@ const PROGMEM uchar mouse_hid_report[] = {
     0xa1, 0x01,                    // COLLECTION (Application)
     0x85, REPORT_ID_SYSTEM,        //   REPORT_ID (2)
     0x15, 0x01,                    //   LOGICAL_MINIMUM (0x1)
-    0x25, 0xb7, 0x00               //   LOGICAL_MAXIMUM (0xb7)
+    0x26, 0xb7, 0x00,              //   LOGICAL_MAXIMUM (0xb7)
     0x19, 0x01,                    //   USAGE_MINIMUM (0x1)
     0x29, 0xb7,                    //   USAGE_MAXIMUM (0xb7)
     0x75, 0x10,                    //   REPORT_SIZE (16)
@@ -481,11 +495,11 @@ USB_PUBLIC usbMsgLen_t usbFunctionDescriptor(struct usbRequest *rq)
             /* interface index */
             switch (rq->wIndex.word) {
                 case 0:
-                    usbMsgPtr = keyboard_hid_report;
+                    usbMsgPtr = (unsigned char *)keyboard_hid_report;
                     len = sizeof(keyboard_hid_report);
                     break;
                 case 1:
-                    usbMsgPtr = mouse_hid_report;
+                    usbMsgPtr = (unsigned char *)mouse_hid_report;
                     len = sizeof(mouse_hid_report);
                     break;
             }