21 files changed, 46 insertions, 104 deletions

diff --git a/tmk_core/protocol/adb.h b/tmk_core/protocol/adb.h
index 7d37485fc..34cbcf769 100644
--- a/tmk_core/protocol/adb.h
+++ b/tmk_core/protocol/adb.h
@@ -35,8 +35,7 @@ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 POSSIBILITY OF SUCH DAMAGE.
 */
 
-#ifndef ADB_H
-#define ADB_H
+#pragma once
 
 #include <stdint.h>
 #include <stdbool.h>
@@ -57,5 +56,3 @@ void     adb_host_listen(uint8_t cmd, uint8_t data_h, uint8_t data_l);
 void     adb_host_kbd_led(uint8_t led);
 void     adb_mouse_task(void);
 void     adb_mouse_init(void);
-
-#endif
diff --git a/tmk_core/protocol/chibios/usb_driver.h b/tmk_core/protocol/chibios/usb_driver.h
index 6d71bcec4..f94387deb 100644
--- a/tmk_core/protocol/chibios/usb_driver.h
+++ b/tmk_core/protocol/chibios/usb_driver.h
@@ -22,10 +22,9 @@
  * @{
  */
 
-#ifndef USB_DRIVER_H
-#    define USB_DRIVER_H
+#pragma once
 
-#    include <hal_usb_cdc.h>
+#include <hal_usb_cdc.h>
 
 /*===========================================================================*/
 /* Driver constants.                                                         */
@@ -35,9 +34,9 @@
 /* Derived constants and error checks.                                       */
 /*===========================================================================*/
 
-#    if HAL_USE_USB == FALSE
-#        error "The USB Driver requires HAL_USE_USB"
-#    endif
+#if HAL_USE_USB == FALSE
+#    error "The USB Driver requires HAL_USE_USB"
+#endif
 
 /*===========================================================================*/
 /* Driver data structures and types.                                         */
@@ -112,21 +111,21 @@ typedef struct {
 /**
  * @brief   @p SerialDriver specific data.
  */
-#    define _qmk_usb_driver_data                           \
-        _base_asynchronous_channel_data /* Driver state.*/ \
-            qmkusbstate_t state;                           \
-        /* Input buffers queue.*/                          \
-        input_buffers_queue_t ibqueue;                     \
-        /* Output queue.*/                                 \
-        output_buffers_queue_t obqueue;                    \
-        /* End of the mandatory fields.*/                  \
-        /* Current configuration data.*/                   \
-        const QMKUSBConfig *config;
+#define _qmk_usb_driver_data                           \
+    _base_asynchronous_channel_data /* Driver state.*/ \
+        qmkusbstate_t state;                           \
+    /* Input buffers queue.*/                          \
+    input_buffers_queue_t ibqueue;                     \
+    /* Output queue.*/                                 \
+    output_buffers_queue_t obqueue;                    \
+    /* End of the mandatory fields.*/                  \
+    /* Current configuration data.*/                   \
+    const QMKUSBConfig *config;
 
 /**
  * @brief   @p SerialUSBDriver specific methods.
  */
-#    define _qmk_usb_driver_methods _base_asynchronous_channel_methods
+#define _qmk_usb_driver_methods _base_asynchronous_channel_methods
 
 /**
  * @extends BaseAsynchronousChannelVMT
@@ -158,9 +157,9 @@ struct QMKUSBDriver {
 /* External declarations.                                                    */
 /*===========================================================================*/
 
-#    ifdef __cplusplus
+#ifdef __cplusplus
 extern "C" {
-#    endif
+#endif
 void qmkusbInit(void);
 void qmkusbObjectInit(QMKUSBDriver *qmkusbp, const QMKUSBConfig *config);
 void qmkusbStart(QMKUSBDriver *qmkusbp, const QMKUSBConfig *config);
@@ -173,10 +172,8 @@ void qmkusbSOFHookI(QMKUSBDriver *qmkusbp);
 void qmkusbDataTransmitted(USBDriver *usbp, usbep_t ep);
 void qmkusbDataReceived(USBDriver *usbp, usbep_t ep);
 void qmkusbInterruptTransmitted(USBDriver *usbp, usbep_t ep);
-#    ifdef __cplusplus
+#ifdef __cplusplus
 }
-#    endif
-
-#endif /* USB_DRIVER_H */
+#endif
 
 /** @} */
diff --git a/tmk_core/protocol/chibios/usb_main.h b/tmk_core/protocol/chibios/usb_main.h
index 1381d0765..eaa08d8f7 100644
--- a/tmk_core/protocol/chibios/usb_main.h
+++ b/tmk_core/protocol/chibios/usb_main.h
@@ -15,8 +15,7 @@
  * GPL v2 or later.
  */
 
-#ifndef _USB_MAIN_H_
-#define _USB_MAIN_H_
+#pragma once
 
 // TESTING
 // extern uint8_t blinkLed;
@@ -89,5 +88,3 @@ int8_t sendchar(uint8_t c);
 void console_flush_output(void);
 
 #endif /* CONSOLE_ENABLE */
-
-#endif /* _USB_MAIN_H_ */
diff --git a/tmk_core/protocol/ibm4704.h b/tmk_core/protocol/ibm4704.h
index cc2418ee6..4f88d148b 100644
--- a/tmk_core/protocol/ibm4704.h
+++ b/tmk_core/protocol/ibm4704.h
@@ -1,8 +1,8 @@
 /*
 Copyright 2014 Jun WAKO <wakojun@gmail.com>
 */
-#ifndef IBM4704_H
-#define IBM4704_H
+
+#pragma once
 
 #define IBM4704_ERR_NONE 0
 #define IBM4704_ERR_PARITY 0x70
@@ -101,5 +101,3 @@ static inline void inhibit(void) {
     clock_hi();
     data_lo();
 }
-
-#endif
diff --git a/tmk_core/protocol/lufa/lufa.h b/tmk_core/protocol/lufa/lufa.h
index 71fd7aad8..348a84c03 100644
--- a/tmk_core/protocol/lufa/lufa.h
+++ b/tmk_core/protocol/lufa/lufa.h
@@ -36,8 +36,7 @@
   this software.
 */
 
-#ifndef _LUFA_H_
-#define _LUFA_H_
+#pragma once
 
 #include <avr/io.h>
 #include <avr/wdt.h>
@@ -68,5 +67,3 @@ extern host_driver_t lufa_driver;
 // The header and terminator are not stored to save a few bytes of precious ram
 #    define MIDI_SYSEX_BUFFER (API_SYSEX_MAX_SIZE + API_SYSEX_MAX_SIZE / 7 + (API_SYSEX_MAX_SIZE % 7 ? 1 : 0))
 #endif
-
-#endif
diff --git a/tmk_core/protocol/m0110.h b/tmk_core/protocol/m0110.h
index 3f9686b0d..63ff3e90e 100644
--- a/tmk_core/protocol/m0110.h
+++ b/tmk_core/protocol/m0110.h
@@ -35,8 +35,7 @@ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 POSSIBILITY OF SUCH DAMAGE.
 */
 
-#ifndef M0110_H
-#define M0110_H
+#pragma once
 
 /* port settings for clock and data line */
 #if !(defined(M0110_CLOCK_PORT) && defined(M0110_CLOCK_PIN) && defined(M0110_CLOCK_DDR) && defined(M0110_CLOCK_BIT))
@@ -80,5 +79,3 @@ uint8_t m0110_recv(void);
 uint8_t m0110_recv_key(void);
 uint8_t m0110_inquiry(void);
 uint8_t m0110_instant(void);
-
-#endif
diff --git a/tmk_core/protocol/midi/Config/LUFAConfig.h b/tmk_core/protocol/midi/Config/LUFAConfig.h
index b346c05bd..dead96de7 100644
--- a/tmk_core/protocol/midi/Config/LUFAConfig.h
+++ b/tmk_core/protocol/midi/Config/LUFAConfig.h
@@ -39,8 +39,7 @@
  *  manual section "Summary of Compile Tokens".
  */
 
-#ifndef _LUFA_CONFIG_H_
-#define _LUFA_CONFIG_H_
+#pragma once
 
 #if (ARCH == ARCH_AVR8)
 
@@ -90,4 +89,3 @@
 #    error Unsupported architecture for this LUFA configuration file.
 
 #endif
-#endif
diff --git a/tmk_core/protocol/midi/bytequeue/bytequeue.h b/tmk_core/protocol/midi/bytequeue/bytequeue.h
index 33fb63a8c..29d15abbd 100644
--- a/tmk_core/protocol/midi/bytequeue/bytequeue.h
+++ b/tmk_core/protocol/midi/bytequeue/bytequeue.h
@@ -17,8 +17,7 @@
 // You should have received a copy of the GNU General Public License
 // along with avr-bytequeue.  If not, see <http://www.gnu.org/licenses/>.
 
-#ifndef BYTEQUEUE_H
-#define BYTEQUEUE_H
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -54,5 +53,3 @@ void bytequeue_remove(byteQueue_t* queue, byteQueueIndex_t numToRemove);
 #ifdef __cplusplus
 }
 #endif
-
-#endif
diff --git a/tmk_core/protocol/midi/bytequeue/interrupt_setting.h b/tmk_core/protocol/midi/bytequeue/interrupt_setting.h
index 788f75d79..78294f076 100644
--- a/tmk_core/protocol/midi/bytequeue/interrupt_setting.h
+++ b/tmk_core/protocol/midi/bytequeue/interrupt_setting.h
@@ -16,8 +16,7 @@
 // You should have received a copy of the GNU General Public License
 // along with avr-bytequeue.  If not, see <http://www.gnu.org/licenses/>.
 
-#ifndef INTERRUPT_SETTING_H
-#define INTERRUPT_SETTING_H
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -34,5 +33,3 @@ void                restore_interrupt_setting(interrupt_setting_t setting);
 #ifdef __cplusplus
 }
 #endif
-
-#endif
diff --git a/tmk_core/protocol/midi/midi.h b/tmk_core/protocol/midi/midi.h
index 07d8cebc1..75f3b13b0 100644
--- a/tmk_core/protocol/midi/midi.h
+++ b/tmk_core/protocol/midi/midi.h
@@ -25,8 +25,7 @@
  *
  */
 
-#ifndef XNOR_MIDI_H
-#define XNOR_MIDI_H
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -486,5 +485,3 @@ midi_packet_length_t midi_packet_length(uint8_t status);
 #ifdef __cplusplus
 }
 #endif
-
-#endif
diff --git a/tmk_core/protocol/midi/midi_device.h b/tmk_core/protocol/midi/midi_device.h
index 693d81a8e..79e8f7a93 100644
--- a/tmk_core/protocol/midi/midi_device.h
+++ b/tmk_core/protocol/midi/midi_device.h
@@ -21,8 +21,7 @@
  * @brief Device implementation functions
  */
 
-#ifndef MIDI_DEVICE_H
-#define MIDI_DEVICE_H
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -147,5 +146,3 @@ void midi_device_set_pre_input_process_func(MidiDevice* device, midi_no_byte_fun
 #ifdef __cplusplus
 }
 #endif
-
-#endif
diff --git a/tmk_core/protocol/midi/midi_function_types.h b/tmk_core/protocol/midi/midi_function_types.h
index 761e88117..6f98a7298 100644
--- a/tmk_core/protocol/midi/midi_function_types.h
+++ b/tmk_core/protocol/midi/midi_function_types.h
@@ -21,8 +21,7 @@
  * @brief Function signature definitions
  */
 
-#ifndef MIDI_FUNCTION_TYPES_H
-#define MIDI_FUNCTION_TYPES_H
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -46,5 +45,3 @@ typedef void (*midi_sysex_func_t)(MidiDevice *device, uint16_t start_byte, uint8
 #ifdef __cplusplus
 }
 #endif
-
-#endif
diff --git a/tmk_core/protocol/midi/sysex_tools.h b/tmk_core/protocol/midi/sysex_tools.h
index 454a92ea5..7d7f10d24 100644
--- a/tmk_core/protocol/midi/sysex_tools.h
+++ b/tmk_core/protocol/midi/sysex_tools.h
@@ -16,8 +16,7 @@
 // You should have received a copy of the GNU General Public License
 // along with avr-midi.  If not, see <http://www.gnu.org/licenses/>.
 
-#ifndef SYSEX_TOOLS_H
-#define SYSEX_TOOLS_H
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -91,5 +90,3 @@ uint16_t sysex_decode(uint8_t *decoded, const uint8_t *source, uint16_t length);
 #ifdef __cplusplus
 }
 #endif
-
-#endif
diff --git a/tmk_core/protocol/news.h b/tmk_core/protocol/news.h
index d0c4bc6a4..327a13856 100644
--- a/tmk_core/protocol/news.h
+++ b/tmk_core/protocol/news.h
@@ -35,8 +35,8 @@ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 POSSIBILITY OF SUCH DAMAGE.
 */
 
-#ifndef NEWS_H
-#define NEWS_H
+#pragma once
+
 /*
  * Primitive PS/2 Library for AVR
  */
@@ -46,5 +46,3 @@ void    news_init(void);
 uint8_t news_recv(void);
 
 /* device role */
-
-#endif
diff --git a/tmk_core/protocol/next_kbd.h b/tmk_core/protocol/next_kbd.h
index bff7a474d..1249ebf39 100644
--- a/tmk_core/protocol/next_kbd.h
+++ b/tmk_core/protocol/next_kbd.h
@@ -45,13 +45,12 @@ POSSIBILITY OF SUCH DAMAGE.
 
 */
 
-#include <stdbool.h>
+#pragma once
 
-#ifndef NEXT_KBD_H
-#    define NEXT_KBD_H
+#include <stdbool.h>
 
-#    define NEXT_KBD_KMBUS_IDLE 0x300600
-#    define NEXT_KBD_TIMING 50
+#define NEXT_KBD_KMBUS_IDLE 0x300600
+#define NEXT_KBD_TIMING 50
 
 extern uint8_t next_kbd_error;
 
@@ -59,5 +58,3 @@ extern uint8_t next_kbd_error;
 void     next_kbd_init(void);
 void     next_kbd_set_leds(bool left, bool right);
 uint32_t next_kbd_recv(void);
-
-#endif
diff --git a/tmk_core/protocol/ps2.h b/tmk_core/protocol/ps2.h
index e32cc9603..f12319285 100644
--- a/tmk_core/protocol/ps2.h
+++ b/tmk_core/protocol/ps2.h
@@ -35,8 +35,7 @@ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 POSSIBILITY OF SUCH DAMAGE.
 */
 
-#ifndef PS2_H
-#define PS2_H
+#pragma once
 
 #include <stdbool.h>
 #include "wait.h"
@@ -138,5 +137,3 @@ static inline void inhibit(void) {
     clock_lo();
     data_hi();
 }
-
-#endif
diff --git a/tmk_core/protocol/ps2_io.h b/tmk_core/protocol/ps2_io.h
index 35e26561d..de93cb7a3 100644
--- a/tmk_core/protocol/ps2_io.h
+++ b/tmk_core/protocol/ps2_io.h
@@ -1,5 +1,4 @@
-#ifndef PS2_IO_H
-#define PS2_IO_H
+#pragma once
 
 void clock_init(void);
 void clock_lo(void);
@@ -10,5 +9,3 @@ void data_init(void);
 void data_lo(void);
 void data_hi(void);
 bool data_in(void);
-
-#endif
diff --git a/tmk_core/protocol/ps2_mouse.h b/tmk_core/protocol/ps2_mouse.h
index d743fb3d8..c97c6c893 100644
--- a/tmk_core/protocol/ps2_mouse.h
+++ b/tmk_core/protocol/ps2_mouse.h
@@ -15,8 +15,7 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef PS2_MOUSE_H
-#define PS2_MOUSE_H
+#pragma once
 
 #include <stdbool.h>
 #include "debug.h"
@@ -176,5 +175,3 @@ void ps2_mouse_set_resolution(ps2_mouse_resolution_t resolution);
 void ps2_mouse_set_sample_rate(ps2_mouse_sample_rate_t sample_rate);
 
 void ps2_mouse_moved_user(report_mouse_t *mouse_report);
-
-#endif
diff --git a/tmk_core/protocol/serial_mouse.h b/tmk_core/protocol/serial_mouse.h
index b10315f36..cb83cf4f6 100644
--- a/tmk_core/protocol/serial_mouse.h
+++ b/tmk_core/protocol/serial_mouse.h
@@ -15,8 +15,7 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef SERIAL_MOUSE_H
-#define SERIAL_MOUSE_H
+#pragma once
 
 #include <stdint.h>
 
@@ -28,5 +27,3 @@ static inline uint8_t serial_mouse_init(void) {
 }
 
 void serial_mouse_task(void);
-
-#endif
diff --git a/tmk_core/protocol/usb_descriptor.h b/tmk_core/protocol/usb_descriptor.h
index 3a7c0bdba..4c6728ebb 100644
--- a/tmk_core/protocol/usb_descriptor.h
+++ b/tmk_core/protocol/usb_descriptor.h
@@ -40,8 +40,8 @@
  *
  *  Header file for Descriptors.c.
  */
-#ifndef _DESCRIPTORS_H_
-#define _DESCRIPTORS_H_
+
+#pragma once
 
 #include <LUFA/Drivers/USB/USB.h>
 
@@ -286,4 +286,3 @@ enum usb_endpoints {
 #define JOYSTICK_EPSIZE 8
 
 uint16_t get_usb_descriptor(const uint16_t wValue, const uint16_t wIndex, const void** const DescriptorAddress);
-#endif
diff --git a/tmk_core/protocol/xt.h b/tmk_core/protocol/xt.h
index e7e1a13f4..6dc5f19d0 100644
--- a/tmk_core/protocol/xt.h
+++ b/tmk_core/protocol/xt.h
@@ -36,8 +36,7 @@ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 POSSIBILITY OF SUCH DAMAGE.
 */
 
-#ifndef XT_H
-#define XT_H
+#pragma once
 
 #define XT_DATA_IN()                        \
     do {                                    \
@@ -69,5 +68,3 @@ POSSIBILITY OF SUCH DAMAGE.
 
 void    xt_host_init(void);
 uint8_t xt_host_recv(void);
-
-#endif