From b6bd0678637f5d2fc0bf15a741c58d77658cc472 Mon Sep 17 00:00:00 2001
From: BigDaddyD <dr247086@muhlenberg.edu>
Date: Wed, 22 Apr 2015 23:00:54 -0400
Subject: [PATCH] boards: removed leading underscores from macros

* also added a trailing underscore to header guards for consistency

Commit for PR 2623, repairing header file include guards.
This PR is intended to fix the include guards in files under RIOT/boards

SQUASH ME: fix underscore removal overdos

SQUASH ME: consistent macro naming

SQUASH ME: missed that one

SQUASH ME: fixed overdo

SQUASH ME: consistency
---
 boards/airfy-beacon/include/board.h           |  6 ++---
 boards/airfy-beacon/include/periph_conf.h     |  6 ++---
 boards/arduino-due/include/board.h            |  6 ++---
 boards/arduino-due/include/periph_conf.h      |  6 ++---
 boards/arduino-mega2560/include/board.h       |  6 ++---
 boards/arduino-mega2560/include/periph_conf.h |  6 ++---
 boards/avsextrem/include/periph_conf.h        |  6 ++---
 boards/avsextrem/include/ssp0-board.h         |  6 ++---
 boards/cc2538dk/include/board.h               |  6 ++---
 boards/cc2538dk/include/periph_conf.h         |  6 ++---
 boards/chronos/drivers/include/battery.h      |  4 ++--
 boards/chronos/drivers/include/buzzer.h       |  4 ++--
 boards/chronos/drivers/include/display.h      |  6 ++---
 .../chronos/drivers/include/display_putchar.h |  6 ++---
 boards/chronos/include/board.h                |  6 ++---
 boards/chronos/include/buttons.h              |  4 ++--
 boards/chronos/include/periph_conf.h          |  6 ++---
 boards/f4vi1/include/board.h                  |  6 ++---
 boards/f4vi1/include/periph_conf.h            |  6 ++---
 boards/fox/include/periph_conf.h              |  6 ++---
 .../iot-lab_M3/include/ng_at86rf2xx_params.h  |  4 ++--
 boards/iot-lab_M3/include/periph_conf.h       |  6 ++---
 boards/mbed_lpc1768/include/board.h           |  6 ++---
 boards/mbed_lpc1768/include/periph_conf.h     |  6 ++---
 boards/mbed_lpc1768/system.c                  | 22 +++++++++----------
 boards/msb-430-common/include/board-conf.h    |  4 ++--
 boards/msb-430/include/board.h                |  6 ++---
 boards/msb-430/include/periph_conf.h          |  6 ++---
 boards/msb-430h/include/board.h               |  6 ++---
 boards/msb-430h/include/periph_conf.h         |  5 +++--
 boards/msba2-common/drivers/include/uart0.h   |  6 ++---
 boards/msba2-common/include/msba2_common.h    |  6 ++---
 boards/msba2-common/tools/src/control_2xxx.h  |  6 ++---
 boards/msba2-common/tools/src/serial.h        |  6 ++---
 boards/msba2/include/board.h                  |  6 ++---
 boards/msba2/include/periph_conf.h            |  6 ++---
 boards/msbiot/include/board.h                 |  6 ++---
 boards/msbiot/include/periph_conf.h           |  6 ++---
 boards/mulle/include/periph_conf.h            |  6 ++---
 boards/native/include/board.h                 |  6 ++---
 boards/native/include/board_internal.h        |  4 ++--
 boards/nucleo-f091/include/periph_conf.h      |  6 ++---
 boards/nucleo-f334/include/periph_conf.h      |  6 ++---
 boards/nucleo-l1/include/periph_conf.h        |  6 ++---
 boards/openmote/include/board.h               |  6 ++---
 boards/openmote/include/periph_conf.h         |  6 ++---
 boards/pba-d-01-kw2x/include/board.h          |  4 ++--
 boards/pba-d-01-kw2x/include/kw2xrf_params.h  |  4 ++--
 boards/pba-d-01-kw2x/include/periph_conf.h    |  4 ++--
 boards/pca10000/include/board.h               |  6 ++---
 boards/pca10000/include/periph_conf.h         |  6 ++---
 boards/pca10005/include/board.h               |  6 ++---
 boards/pca10005/include/periph_conf.h         |  6 ++---
 boards/pttu/include/board.h                   |  6 ++---
 boards/pttu/include/periph_conf.h             |  6 ++---
 boards/qemu-i386/include/board.h              |  4 ++--
 boards/qemu-i386/include/cpu_conf.h           |  4 ++--
 boards/redbee-econotag/drivers/include/nvm.h  |  6 ++---
 boards/redbee-econotag/drivers/include/uart.h |  4 ++--
 boards/redbee-econotag/include/board.h        |  4 ++--
 boards/redbee-econotag/include/periph_conf.h  |  6 ++---
 boards/samr21-xpro/include/board.h            |  6 ++---
 .../samr21-xpro/include/ng_at86rf2xx_params.h |  4 ++--
 boards/samr21-xpro/include/periph_conf.h      |  6 ++---
 boards/spark-core/include/periph_conf.h       |  6 ++---
 boards/stm32f0discovery/include/board.h       |  6 ++---
 boards/stm32f0discovery/include/periph_conf.h |  6 ++---
 boards/stm32f3discovery/include/board.h       |  6 ++---
 boards/stm32f3discovery/include/periph_conf.h |  6 ++---
 boards/stm32f4discovery/include/board.h       |  6 ++---
 boards/stm32f4discovery/include/periph_conf.h |  6 ++---
 boards/telosb/include/board-conf.h            |  4 ++--
 boards/telosb/include/board.h                 |  6 ++---
 boards/telosb/include/periph_conf.h           |  6 ++---
 boards/udoo/include/board.h                   |  6 ++---
 boards/udoo/include/periph_conf.h             |  6 ++---
 boards/wsn430-common/include/board-conf.h     |  4 ++--
 boards/wsn430-common/include/periph_conf.h    |  6 ++---
 boards/wsn430-v1_3b/include/board.h           |  6 ++---
 boards/wsn430-v1_4/include/board.h            |  6 ++---
 .../x86-multiboot-common/include/multiboot.h  |  4 ++--
 boards/yunjia-nrf51822/include/board.h        |  6 ++---
 boards/yunjia-nrf51822/include/periph_conf.h  |  6 ++---
 boards/z1/include/board-conf.h                |  4 ++--
 boards/z1/include/board.h                     |  6 ++---
 boards/z1/include/periph_conf.h               |  6 ++---
 86 files changed, 248 insertions(+), 247 deletions(-)

diff --git a/boards/airfy-beacon/include/board.h b/boards/airfy-beacon/include/board.h
index 5c011262f9..f5cb41a1ad 100644
--- a/boards/airfy-beacon/include/board.h
+++ b/boards/airfy-beacon/include/board.h
@@ -18,8 +18,8 @@
  * @author      Christian Mehlis <mehlis@inf.fu-berlin.de>
  */
 
-#ifndef __BOARD_H
-#define __BOARD_H
+#ifndef BOARD_H_
+#define BOARD_H_
 
 #include "cpu.h"
 
@@ -67,5 +67,5 @@ void board_init(void);
 } /* end extern "C" */
 #endif
 
-#endif /** __BOARD_H */
+#endif /** BOARD_H_ */
 /** @} */
diff --git a/boards/airfy-beacon/include/periph_conf.h b/boards/airfy-beacon/include/periph_conf.h
index 8ae3cfaa47..ebef807fe3 100644
--- a/boards/airfy-beacon/include/periph_conf.h
+++ b/boards/airfy-beacon/include/periph_conf.h
@@ -17,8 +17,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -180,4 +180,4 @@
 } /* end extern "C" */
 #endif
 
-#endif /* __PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
diff --git a/boards/arduino-due/include/board.h b/boards/arduino-due/include/board.h
index 94aaa58592..29029e72ba 100644
--- a/boards/arduino-due/include/board.h
+++ b/boards/arduino-due/include/board.h
@@ -18,8 +18,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __BOARD_H
-#define __BOARD_H
+#ifndef BOARD_H_
+#define BOARD_H_
 
 #include "cpu.h"
 
@@ -80,5 +80,5 @@ void board_init(void);
 }
 #endif
 
-#endif /** __BOARD_H */
+#endif /** BOARD_H_ */
 /** @} */
diff --git a/boards/arduino-due/include/periph_conf.h b/boards/arduino-due/include/periph_conf.h
index bf80529e77..6d29726aa0 100644
--- a/boards/arduino-due/include/periph_conf.h
+++ b/boards/arduino-due/include/periph_conf.h
@@ -17,8 +17,8 @@
  * @author      Peter Kietzmann <peter.kietzmann@haw-hamburg.de>
  */
 
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -346,5 +346,5 @@ extern "C" {
 }
 #endif
 
-#endif /* __PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
 /** @} */
diff --git a/boards/arduino-mega2560/include/board.h b/boards/arduino-mega2560/include/board.h
index 2d1969a5a0..1fe89231bf 100644
--- a/boards/arduino-mega2560/include/board.h
+++ b/boards/arduino-mega2560/include/board.h
@@ -18,8 +18,8 @@
  * @author      Hinnerk van Bruinehsen <h.v.bruinehsen@fu-berlin.de>
  */
 
-#ifndef __BOARD_H
-#define __BOARD_H
+#ifndef BOARD_H_
+#define BOARD_H_
 
 #include "cpu.h"
 
@@ -83,5 +83,5 @@ void board_init(void);
 }
 #endif
 
-#endif /** __BOARD_H */
+#endif /** BOARD_H_ */
 /** @} */
diff --git a/boards/arduino-mega2560/include/periph_conf.h b/boards/arduino-mega2560/include/periph_conf.h
index 351e59f602..8d9f9dce5b 100644
--- a/boards/arduino-mega2560/include/periph_conf.h
+++ b/boards/arduino-mega2560/include/periph_conf.h
@@ -16,8 +16,8 @@
  * @author      Hinnerk van Bruinehsen <h.v.bruinehsen@fu-berlin.de>
  */
 
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -286,4 +286,4 @@ extern "C" {
 }
 #endif
 
-#endif /* __PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
diff --git a/boards/avsextrem/include/periph_conf.h b/boards/avsextrem/include/periph_conf.h
index 5a721fd413..7b8c486f8d 100644
--- a/boards/avsextrem/include/periph_conf.h
+++ b/boards/avsextrem/include/periph_conf.h
@@ -16,8 +16,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #include "lpc2387.h"
 
@@ -54,5 +54,5 @@ extern "C" {
 }
 #endif
 
-#endif /* __PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
 /** @} */
diff --git a/boards/avsextrem/include/ssp0-board.h b/boards/avsextrem/include/ssp0-board.h
index 723803fbdd..3a5212ce10 100644
--- a/boards/avsextrem/include/ssp0-board.h
+++ b/boards/avsextrem/include/ssp0-board.h
@@ -19,8 +19,8 @@
  *
  * @note        $Id:  avsextrem-ssp0.c  3854 2010-01-18 15:27:01Z zkasmi $
  */
-#ifndef __SSP_H__
-#define __SSP_H__
+#ifndef SSP_H__
+#define SSP_H__
 
 #include "stdint.h"
 
@@ -122,4 +122,4 @@ void SSP0Handler(void);
 }
 #endif
 
-#endif  /* __SSP_H__ */
+#endif  /* SSP_H__ */
diff --git a/boards/cc2538dk/include/board.h b/boards/cc2538dk/include/board.h
index 8f7e19ef6f..b82526e96f 100644
--- a/boards/cc2538dk/include/board.h
+++ b/boards/cc2538dk/include/board.h
@@ -17,8 +17,8 @@
  * @author      Ian Martin <ian@locicontrols.com>
  */
 
-#ifndef __BOARD_H
-#define __BOARD_H
+#ifndef BOARD_H_
+#define BOARD_H_
 
 #include "cpu.h"
 #include "periph/gpio.h"
@@ -100,5 +100,5 @@ void board_init(void);
 } /* end extern "C" */
 #endif
 
-#endif /** __BOARD_H */
+#endif /** BOARD_H_ */
 /** @} */
diff --git a/boards/cc2538dk/include/periph_conf.h b/boards/cc2538dk/include/periph_conf.h
index e6d341b516..8d5245183f 100644
--- a/boards/cc2538dk/include/periph_conf.h
+++ b/boards/cc2538dk/include/periph_conf.h
@@ -16,8 +16,8 @@
  * @author      Ian Martin <ian@locicontrols.com>
  */
 
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #include "gptimer.h"
 
@@ -192,5 +192,5 @@ extern "C" {
 } /* end extern "C" */
 #endif
 
-#endif /* __PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
 /** @} */
diff --git a/boards/chronos/drivers/include/battery.h b/boards/chronos/drivers/include/battery.h
index 5bf58dd9c4..34bb37b0b3 100644
--- a/boards/chronos/drivers/include/battery.h
+++ b/boards/chronos/drivers/include/battery.h
@@ -6,8 +6,8 @@
  * directory for more details.
  */
 
-#ifndef BATTERY_H
-#define BATTERY_H
+#ifndef BATTERY_H_
+#define BATTERY_H_
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/boards/chronos/drivers/include/buzzer.h b/boards/chronos/drivers/include/buzzer.h
index 22fe35da0b..f964b5a3e3 100644
--- a/boards/chronos/drivers/include/buzzer.h
+++ b/boards/chronos/drivers/include/buzzer.h
@@ -6,8 +6,8 @@
  * directory for more details.
  */
 
-#ifndef BUZZER_H
-#define BUZZER_H
+#ifndef BUZZER_H_
+#define BUZZER_H_
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/boards/chronos/drivers/include/display.h b/boards/chronos/drivers/include/display.h
index 7bccf5e061..bd726f63e8 100644
--- a/boards/chronos/drivers/include/display.h
+++ b/boards/chronos/drivers/include/display.h
@@ -35,8 +35,8 @@
  * Basic display functions.
  * ************************************************************************************************/
 
-#ifndef __DISPLAY_H
-#define __DISPLAY_H
+#ifndef DISPLAY_H_
+#define DISPLAY_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -463,4 +463,4 @@ void display_all_off(void);
 }
 #endif
 
-#endif /* __DISPLAY_ */
+#endif /* DISPLAY_ */
diff --git a/boards/chronos/drivers/include/display_putchar.h b/boards/chronos/drivers/include/display_putchar.h
index 0dcdaae018..b5194d0ab9 100644
--- a/boards/chronos/drivers/include/display_putchar.h
+++ b/boards/chronos/drivers/include/display_putchar.h
@@ -6,8 +6,8 @@
  * directory for more details.
  */
 
-#ifndef __DISPLAY_PUTCHAR_H
-#define __DISPLAY_PUTCHAR_H
+#ifndef DISPLAY_PUTCHAR_H_
+#define DISPLAY_PUTCHAR_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -19,4 +19,4 @@ void init_display_putchar(void);
 }
 #endif
 
-#endif /* __DISPLAY_PUTCHAR_H */
+#endif /* DISPLAY_PUTCHAR_H_ */
diff --git a/boards/chronos/include/board.h b/boards/chronos/include/board.h
index ed3659d1d0..73ce773562 100644
--- a/boards/chronos/include/board.h
+++ b/boards/chronos/include/board.h
@@ -18,8 +18,8 @@
  * @author      unknwon
  */
 
-#ifndef _CHRONOS_BOARD_H
-#define _CHRONOS_BOARD_H
+#ifndef CHRONOS_BOARD_H_
+#define CHRONOS_BOARD_H_
 
 #include <stdint.h>
 
@@ -44,5 +44,5 @@ typedef uint8_t radio_packet_length_t;
 }
 #endif
 
-#endif /* _CHRONOS_BOARD_H */
+#endif /* _CHRONOS_BOARD_H_ */
 /** @} */
diff --git a/boards/chronos/include/buttons.h b/boards/chronos/include/buttons.h
index 592f2ad0bc..9bd68173bd 100644
--- a/boards/chronos/include/buttons.h
+++ b/boards/chronos/include/buttons.h
@@ -6,8 +6,8 @@
  * directory for more details.
  */
 
-#ifndef BUTTONS_H
-#define BUTTONS_H
+#ifndef BUTTONS_H_
+#define BUTTONS_H_
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/boards/chronos/include/periph_conf.h b/boards/chronos/include/periph_conf.h
index 7f825ab6fc..d76d953f6a 100644
--- a/boards/chronos/include/periph_conf.h
+++ b/boards/chronos/include/periph_conf.h
@@ -16,8 +16,8 @@
  * @author      Oliver Hahm <oliver.hahm@inria.fr>
  */
 
-#ifndef PERIPH_CONF_H
-#define PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -32,4 +32,4 @@ extern "C" {
 }
 #endif
 
-#endif /* PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
diff --git a/boards/f4vi1/include/board.h b/boards/f4vi1/include/board.h
index 283ebb10e2..f7f7fbb786 100644
--- a/boards/f4vi1/include/board.h
+++ b/boards/f4vi1/include/board.h
@@ -19,8 +19,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __BOARD_H
-#define __BOARD_H
+#ifndef BOARD_H_
+#define BOARD_H_
 
 #include "cpu.h"
 #include "periph_conf.h"
@@ -94,5 +94,5 @@ void board_init(void);
 }
 #endif
 
-#endif /** __BOARD_H */
+#endif /** BOARD_H_ */
 /** @} */
diff --git a/boards/f4vi1/include/periph_conf.h b/boards/f4vi1/include/periph_conf.h
index 7f7826406d..5a00d270ef 100644
--- a/boards/f4vi1/include/periph_conf.h
+++ b/boards/f4vi1/include/periph_conf.h
@@ -18,8 +18,8 @@
  * @author      Peter Kietzmann <peter.kietzmann@haw-hamburg.de>
  */
 
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -99,5 +99,5 @@ extern "C" {
 }
 #endif
 
-#endif /* __PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
 /** @} */
diff --git a/boards/fox/include/periph_conf.h b/boards/fox/include/periph_conf.h
index b20edddd46..98d399adbf 100644
--- a/boards/fox/include/periph_conf.h
+++ b/boards/fox/include/periph_conf.h
@@ -16,8 +16,8 @@
  * @author      Thomas Eichinger <thomas.eichinger@fu-berlin.de>
  */
 
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -304,5 +304,5 @@ extern "C" {
 }
 #endif
 
-#endif /* __PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
 /** @} */
diff --git a/boards/iot-lab_M3/include/ng_at86rf2xx_params.h b/boards/iot-lab_M3/include/ng_at86rf2xx_params.h
index 08d721527e..b9f01637ec 100644
--- a/boards/iot-lab_M3/include/ng_at86rf2xx_params.h
+++ b/boards/iot-lab_M3/include/ng_at86rf2xx_params.h
@@ -16,8 +16,8 @@
  * @author    Kaspar Schleiser <kaspar@schleiser.de>
  */
 
-#ifndef NG_AT86RF2XX_PARAMS_H
-#define NG_AT86RF2XX_PARAMS_H
+#ifndef NG_AT86RF2XX_PARAMS_H_
+#define NG_AT86RF2XX_PARAMS_H_
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/boards/iot-lab_M3/include/periph_conf.h b/boards/iot-lab_M3/include/periph_conf.h
index 8bb4912c1c..e9d5d87743 100644
--- a/boards/iot-lab_M3/include/periph_conf.h
+++ b/boards/iot-lab_M3/include/periph_conf.h
@@ -17,8 +17,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -319,5 +319,5 @@ extern "C" {
 }
 #endif
 
-#endif /* __PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
 /** @} */
diff --git a/boards/mbed_lpc1768/include/board.h b/boards/mbed_lpc1768/include/board.h
index cb7006243a..daf7e8907b 100644
--- a/boards/mbed_lpc1768/include/board.h
+++ b/boards/mbed_lpc1768/include/board.h
@@ -20,8 +20,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __BOARD_H
-#define __BOARD_H
+#ifndef BOARD_H_
+#define BOARD_H_
 
 #include <stdint.h>
 
@@ -102,5 +102,5 @@ void board_init(void);
 }
 #endif
 
-#endif /* __BOARD_H */
+#endif /* BOARD_H_ */
 /** @} */
diff --git a/boards/mbed_lpc1768/include/periph_conf.h b/boards/mbed_lpc1768/include/periph_conf.h
index d05cee233c..33de1b9bf5 100644
--- a/boards/mbed_lpc1768/include/periph_conf.h
+++ b/boards/mbed_lpc1768/include/periph_conf.h
@@ -16,8 +16,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -89,5 +89,5 @@ extern "C" {
 }
 #endif
 
-#endif /* __PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
 /** @} */
diff --git a/boards/mbed_lpc1768/system.c b/boards/mbed_lpc1768/system.c
index c2dbc0ae1b..1866d97bf7 100644
--- a/boards/mbed_lpc1768/system.c
+++ b/boards/mbed_lpc1768/system.c
@@ -382,34 +382,34 @@
 
 
 /* F_cco0 = (2 * M * F_in) / N  */
-#define __M               (((PLL0CFG_Val      ) & 0x7FFF) + 1)
-#define __N               (((PLL0CFG_Val >> 16) & 0x00FF) + 1)
-#define __FCCO(__F_IN)    ((2ULL * __M * __F_IN) / __N)
-#define __CCLK_DIV        (((CCLKCFG_Val      ) & 0x00FF) + 1)
+#define M               (((PLL0CFG_Val      ) & 0x7FFF) + 1)
+#define N               (((PLL0CFG_Val >> 16) & 0x00FF) + 1)
+#define FCCO(F_IN)      ((2ULL * M * F_IN) / N)
+#define CCLK_DIV        (((CCLKCFG_Val      ) & 0x00FF) + 1)
 
 /* Determine core clock frequency according to settings */
 #if (PLL0_SETUP)
 #if   ((CLKSRCSEL_Val & 0x03) == 1)
-#define __CORE_CLK (__FCCO(OSC_CLK) / __CCLK_DIV)
+#define CORE_CLK (FCCO(OSC_CLK) / CCLK_DIV)
 #elif ((CLKSRCSEL_Val & 0x03) == 2)
-#define __CORE_CLK (__FCCO(RTC_CLK) / __CCLK_DIV)
+#define CORE_CLK (FCCO(RTC_CLK) / CCLK_DIV)
 #else
-#define __CORE_CLK (__FCCO(IRC_OSC) / __CCLK_DIV)
+#define CORE_CLK (FCCO(IRC_OSC) / CCLK_DIV)
 #endif
 #else
 #if   ((CLKSRCSEL_Val & 0x03) == 1)
-#define __CORE_CLK (OSC_CLK         / __CCLK_DIV)
+#define CORE_CLK (OSC_CLK         / CCLK_DIV)
 #elif ((CLKSRCSEL_Val & 0x03) == 2)
-#define __CORE_CLK (RTC_CLK         / __CCLK_DIV)
+#define CORE_CLK (RTC_CLK         / CCLK_DIV)
 #else
-#define __CORE_CLK (IRC_OSC         / __CCLK_DIV)
+#define CORE_CLK (IRC_OSC         / CCLK_DIV)
 #endif
 #endif
 
 /*----------------------------------------------------------------------------
   Clock Variable definitions
  *----------------------------------------------------------------------------*/
-uint32_t system_clock = __CORE_CLK;/*!< System Clock Frequency (Core Clock)*/
+uint32_t system_clock = CORE_CLK;/*!< System Clock Frequency (Core Clock)*/
 
 
 /*----------------------------------------------------------------------------
diff --git a/boards/msb-430-common/include/board-conf.h b/boards/msb-430-common/include/board-conf.h
index c22e6b99e8..9a63298949 100644
--- a/boards/msb-430-common/include/board-conf.h
+++ b/boards/msb-430-common/include/board-conf.h
@@ -18,8 +18,8 @@
  * @author      unknown
  */
 
-#ifndef BOARD_CONF_H
-#define BOARD_CONF_H
+#ifndef BOARD_CONF_H_
+#define BOARD_CONF_H_
 
 #include <stdint.h>
 
diff --git a/boards/msb-430/include/board.h b/boards/msb-430/include/board.h
index 2706c914fa..2bad4640e9 100644
--- a/boards/msb-430/include/board.h
+++ b/boards/msb-430/include/board.h
@@ -23,8 +23,8 @@
  * @author      Freie Universität Berlin, Computer Systems & Telematics, FeuerWhere project
  */
 
-#ifndef _MSB_BOARD_H
-#define _MSB_BOARD_H
+#ifndef MSB_BOARD_H_
+#define MSB_BOARD_H_
 
 #include "board-conf.h"
 
@@ -64,4 +64,4 @@ extern "C" {
 typedef uint8_t radio_packet_length_t;
 
 /** @} */
-#endif // _MSB_BOARD_H
+#endif // MSB_BOARD_H_
diff --git a/boards/msb-430/include/periph_conf.h b/boards/msb-430/include/periph_conf.h
index cf7bb61559..2bdcff4f1c 100644
--- a/boards/msb-430/include/periph_conf.h
+++ b/boards/msb-430/include/periph_conf.h
@@ -16,9 +16,9 @@
  * @author      Oliver Hahm <oliver.hahm@inria.fr>
  */
 
-#ifndef PERIPH_CONF_H
-#define PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 /* make Travis happy: #ifdef __cplusplus extern "C" { #endif */
 
-#endif /* PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
diff --git a/boards/msb-430h/include/board.h b/boards/msb-430h/include/board.h
index 7f8366980e..b2780a68c2 100644
--- a/boards/msb-430h/include/board.h
+++ b/boards/msb-430h/include/board.h
@@ -18,8 +18,8 @@
  * @author      Freie Universität Berlin, Computer Systems & Telematics, FeuerWhere project
  */
 
-#ifndef _MSB_BOARD_H
-#define _MSB_BOARD_H
+#ifndef MSB_BOARD_H_
+#define MSB_BOARD_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -57,4 +57,4 @@ extern "C" {
 typedef uint8_t radio_packet_length_t;
 
 /** @} */
-#endif // _MSB_BOARD_H
+#endif // MSB_BOARD_H_
diff --git a/boards/msb-430h/include/periph_conf.h b/boards/msb-430h/include/periph_conf.h
index 8f5b8b8fc4..b742d02f1b 100644
--- a/boards/msb-430h/include/periph_conf.h
+++ b/boards/msb-430h/include/periph_conf.h
@@ -16,9 +16,10 @@
  * @author      Oliver Hahm <oliver.hahm@inria.fr>
  */
 
-#ifndef PERIPH_CONF_H
-#define PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 /* make Travis happy: #ifdef __cplusplus extern "C" { #endif */
 
+#endif /* PERIPH_CONF_H_ */
 #endif /* PERIPH_CONF_H */
diff --git a/boards/msba2-common/drivers/include/uart0.h b/boards/msba2-common/drivers/include/uart0.h
index c78c8f9f07..24a22b99c7 100644
--- a/boards/msba2-common/drivers/include/uart0.h
+++ b/boards/msba2-common/drivers/include/uart0.h
@@ -6,8 +6,8 @@
  * directory for more details.
  */
 
-#ifndef __UART0_H
-#define __UART0_H
+#ifndef UART0_H_
+#define UART0_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -19,4 +19,4 @@ extern kernel_pid_t uart0_handler_pid;
 }
 #endif
 
-#endif /* __UART0_H */
+#endif /* UART0_H */
diff --git a/boards/msba2-common/include/msba2_common.h b/boards/msba2-common/include/msba2_common.h
index 6d9a763fcf..0a0fd71714 100644
--- a/boards/msba2-common/include/msba2_common.h
+++ b/boards/msba2-common/include/msba2_common.h
@@ -17,8 +17,8 @@
  *
  * @author      Kaspar Schleiser <kaspar@schleiser.de>
  */
-#ifndef __MSBA2_COMMON_H
-#define __MSBA2_COMMON_H
+#ifndef MSBA2_COMMON_H_
+#define MSBA2_COMMON_H_
 
 
 #include <stdint.h>
@@ -41,4 +41,4 @@ static inline void pllfeed(void)
 #endif
 
 /** @} */
-#endif // __MSBA2_COMMON_H
+#endif // MSBA2_COMMON_H_
diff --git a/boards/msba2-common/tools/src/control_2xxx.h b/boards/msba2-common/tools/src/control_2xxx.h
index d43dd60cba..9b0598a6fd 100644
--- a/boards/msba2-common/tools/src/control_2xxx.h
+++ b/boards/msba2-common/tools/src/control_2xxx.h
@@ -16,10 +16,10 @@
  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  */
 
-#ifndef CONTROL_2XXXX_H
-#define CONTROL_2XXXX_H
+#ifndef CONTROL_2XXXX_H_
+#define CONTROL_2XXXX_H_
 
 void hard_reset_to_bootloader(void);
 void hard_reset_to_user_code(void);
 
-#endif // ..._H
+#endif // ..._H_
diff --git a/boards/msba2-common/tools/src/serial.h b/boards/msba2-common/tools/src/serial.h
index 9607361086..27f0ac3b9b 100644
--- a/boards/msba2-common/tools/src/serial.h
+++ b/boards/msba2-common/tools/src/serial.h
@@ -16,8 +16,8 @@
  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  */
 
-#ifndef SERIAL_H
-#define SERIAL_H
+#ifndef SERIAL_H_
+#define SERIAL_H_
 
 extern char *baud_rate;
 
@@ -34,4 +34,4 @@ void set_rts(int val);
 void set_dtr(int val);
 void change_baud(const char *baud_name);
 
-#endif // SERIAL_H
+#endif // SERIAL_H_
diff --git a/boards/msba2/include/board.h b/boards/msba2/include/board.h
index bbc8789895..599e2ab411 100644
--- a/boards/msba2/include/board.h
+++ b/boards/msba2/include/board.h
@@ -18,8 +18,8 @@
  * @author      unknown
  */
 
-#ifndef __BOARD_H
-#define __BOARD_H
+#ifndef BOARD_H_
+#define BOARD_H_
 
 #include "msba2_common.h"
 #include "bitarithm.h"
@@ -47,5 +47,5 @@ typedef uint8_t radio_packet_length_t;
 }
 #endif
 
-#endif /* __BOARD_H */
+#endif /* BOARD_H_ */
 /** @} */
diff --git a/boards/msba2/include/periph_conf.h b/boards/msba2/include/periph_conf.h
index a9a7bdf3be..7ae12d6b54 100644
--- a/boards/msba2/include/periph_conf.h
+++ b/boards/msba2/include/periph_conf.h
@@ -16,8 +16,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #include "lpc2387.h"
 
@@ -55,5 +55,5 @@ extern "C" {
 }
 #endif
 
-#endif /* __PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
 /** @} */
diff --git a/boards/msbiot/include/board.h b/boards/msbiot/include/board.h
index 843aa75164..4ca982d43c 100644
--- a/boards/msbiot/include/board.h
+++ b/boards/msbiot/include/board.h
@@ -18,8 +18,8 @@
  * @author      Fabian Nack <nack@inf.fu-berlin.de>
  */
 
-#ifndef __BOARD_H
-#define __BOARD_H
+#ifndef BOARD_H_
+#define BOARD_H_
 
 #include "cpu.h"
 #include "periph_conf.h"
@@ -105,5 +105,5 @@ void board_init(void);
 }
 #endif
 
-#endif /** __BOARD_H */
+#endif /** BOARD_H_ */
 /** @} */
diff --git a/boards/msbiot/include/periph_conf.h b/boards/msbiot/include/periph_conf.h
index 6135a7f3b8..b1d86dc92f 100644
--- a/boards/msbiot/include/periph_conf.h
+++ b/boards/msbiot/include/periph_conf.h
@@ -16,8 +16,8 @@
  * @author      Fabian Nack <nack@inf.fu-berlin.de>
  */
 
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -395,5 +395,5 @@ extern "C" {
 }
 #endif
 
-#endif /* __PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
 /** @} */
diff --git a/boards/mulle/include/periph_conf.h b/boards/mulle/include/periph_conf.h
index 8b54f45882..d467d6e69d 100644
--- a/boards/mulle/include/periph_conf.h
+++ b/boards/mulle/include/periph_conf.h
@@ -17,8 +17,8 @@
  * @author      Joakim Gebart <joakim.gebart@eistec.se>
  */
 
-#ifndef MULLE_PERIPH_CONF_H
-#define MULLE_PERIPH_CONF_H
+#ifndef MULLE_PERIPH_CONF_H_
+#define MULLE_PERIPH_CONF_H_
 
 #ifdef __cplusplus
 extern "C"
@@ -812,5 +812,5 @@ extern "C"
 }
 #endif
 
-#endif /* MULLE_PERIPH_CONF_H */
+#endif /* MULLE_PERIPH_CONF_H_ */
 /** @} */
diff --git a/boards/native/include/board.h b/boards/native/include/board.h
index c3a20664f2..a3354034f1 100644
--- a/boards/native/include/board.h
+++ b/boards/native/include/board.h
@@ -21,8 +21,8 @@
  * @author      Ludwig Ortmann <ludwig.ortmann@fu-berlin.de>
  */
 
-#ifndef BOARD_H
-#define BOARD_H
+#ifndef BOARD_H_
+#define BOARD_H_
 
 #include <stdint.h>
 
@@ -52,4 +52,4 @@ typedef uint16_t radio_packet_length_t;
 #endif
 
 /** @} */
-#endif /* BOARD_H */
+#endif /* BOARD_H_ */
diff --git a/boards/native/include/board_internal.h b/boards/native/include/board_internal.h
index d8af212015..9556d4118a 100644
--- a/boards/native/include/board_internal.h
+++ b/boards/native/include/board_internal.h
@@ -6,8 +6,8 @@
  * directory for more details.
  */
 
-#ifndef BOARD_INTERNAL_H
-#define BOARD_INTERNAL_H
+#ifndef BOARD_INTERNAL_H_
+#define BOARD_INTERNAL_H_
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/boards/nucleo-f091/include/periph_conf.h b/boards/nucleo-f091/include/periph_conf.h
index f059424907..30fc77cf52 100644
--- a/boards/nucleo-f091/include/periph_conf.h
+++ b/boards/nucleo-f091/include/periph_conf.h
@@ -16,8 +16,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -161,5 +161,5 @@ extern "C" {
 }
 #endif
 
-#endif /* __PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
 /** @} */
diff --git a/boards/nucleo-f334/include/periph_conf.h b/boards/nucleo-f334/include/periph_conf.h
index 9168aaf099..827906a9f2 100644
--- a/boards/nucleo-f334/include/periph_conf.h
+++ b/boards/nucleo-f334/include/periph_conf.h
@@ -17,8 +17,8 @@
  * @author      Kaspar Schleiser <kaspar.schleiser@fu-berlin.de>
  */
 
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -166,5 +166,5 @@ extern "C" {
 }
 #endif
 
-#endif /* __PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
 /** @} */
diff --git a/boards/nucleo-l1/include/periph_conf.h b/boards/nucleo-l1/include/periph_conf.h
index 3b25c8f8d5..e6cef65b5b 100644
--- a/boards/nucleo-l1/include/periph_conf.h
+++ b/boards/nucleo-l1/include/periph_conf.h
@@ -16,8 +16,8 @@
  * @author      Thomas Eichinger <thomas.eichinger@fu-berlin.de>
  */
 
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -288,5 +288,5 @@ extern "C" {
 }
 #endif
 
-#endif /* __PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
 /** @} */
diff --git a/boards/openmote/include/board.h b/boards/openmote/include/board.h
index d4c37b0a6e..e1db0aaa2a 100644
--- a/boards/openmote/include/board.h
+++ b/boards/openmote/include/board.h
@@ -18,8 +18,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __BOARD_H
-#define __BOARD_H
+#ifndef BOARD_H_
+#define BOARD_H_
 
 #include "cpu.h"
 #include "periph/gpio.h"
@@ -88,5 +88,5 @@ void board_init(void);
 } /* end extern "C" */
 #endif
 
-#endif /** __BOARD_H */
+#endif /** BOARD_H_ */
 /** @} */
diff --git a/boards/openmote/include/periph_conf.h b/boards/openmote/include/periph_conf.h
index 6dc5ab8344..c530705d6a 100644
--- a/boards/openmote/include/periph_conf.h
+++ b/boards/openmote/include/periph_conf.h
@@ -16,8 +16,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -175,5 +175,5 @@
 } /* end extern "C" */
 #endif
 
-#endif /* __PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
 /** @} */
diff --git a/boards/pba-d-01-kw2x/include/board.h b/boards/pba-d-01-kw2x/include/board.h
index 2ac7a07cc1..9cf3d50231 100644
--- a/boards/pba-d-01-kw2x/include/board.h
+++ b/boards/pba-d-01-kw2x/include/board.h
@@ -19,8 +19,8 @@
  * @author      Johann Fischer <j.fischer@phytec.de>
  */
 
-#ifndef __BOARD_H
-#define __BOARD_H
+#ifndef BOARD_H_
+#define BOARD_H_
 
 #include "cpu.h"
 #include "periph_conf.h"
diff --git a/boards/pba-d-01-kw2x/include/kw2xrf_params.h b/boards/pba-d-01-kw2x/include/kw2xrf_params.h
index d0b9bd8813..ca9c318519 100644
--- a/boards/pba-d-01-kw2x/include/kw2xrf_params.h
+++ b/boards/pba-d-01-kw2x/include/kw2xrf_params.h
@@ -22,8 +22,8 @@
 extern "C" {
 #endif
 
-#ifndef KW2XRF_PARAMS_H
-#define KW2XRF_PARAMS_H
+#ifndef KW2XRF_PARAMS_H_
+#define KW2XRF_PARAMS_H_
 
 /**
  * @name KW2XRF configuration
diff --git a/boards/pba-d-01-kw2x/include/periph_conf.h b/boards/pba-d-01-kw2x/include/periph_conf.h
index 11ca5db40f..9dc75d80e0 100644
--- a/boards/pba-d-01-kw2x/include/periph_conf.h
+++ b/boards/pba-d-01-kw2x/include/periph_conf.h
@@ -19,8 +19,8 @@
  * @author      Jonas Remmert <j.remmert@phytec.de>
  */
 
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #include "cpu_conf.h"
 
diff --git a/boards/pca10000/include/board.h b/boards/pca10000/include/board.h
index 701eb31a2f..2ce721e230 100644
--- a/boards/pca10000/include/board.h
+++ b/boards/pca10000/include/board.h
@@ -19,8 +19,8 @@
  * @author      Timo Ziegler <timo.ziegler@fu-berlin.de>
  */
 
-#ifndef __BOARD_H
-#define __BOARD_H
+#ifndef BOARD_H_
+#define BOARD_H_
 
 #include "cpu.h"
 
@@ -82,5 +82,5 @@ void board_init(void);
 }
 #endif
 
-#endif /** __BOARD_H */
+#endif /** BOARD_H_ */
 /** @} */
diff --git a/boards/pca10000/include/periph_conf.h b/boards/pca10000/include/periph_conf.h
index 9b1fee932d..b3fdb0fbec 100644
--- a/boards/pca10000/include/periph_conf.h
+++ b/boards/pca10000/include/periph_conf.h
@@ -18,8 +18,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -167,4 +167,4 @@ extern "C" {
 }
 #endif
 
-#endif /* __PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
diff --git a/boards/pca10005/include/board.h b/boards/pca10005/include/board.h
index 9ce840b3c0..1a358c7dae 100644
--- a/boards/pca10005/include/board.h
+++ b/boards/pca10005/include/board.h
@@ -19,8 +19,8 @@
  * @author      Timo Ziegler <timo.ziegler@fu-berlin.de>
  */
 
-#ifndef __BOARD_H
-#define __BOARD_H
+#ifndef BOARD_H_
+#define BOARD_H_
 
 #include "cpu.h"
 
@@ -73,5 +73,5 @@ void board_init(void);
 }
 #endif
 
-#endif /** __BOARD_H */
+#endif /** BOARD_H_ */
 /** @} */
diff --git a/boards/pca10005/include/periph_conf.h b/boards/pca10005/include/periph_conf.h
index d935a6069c..8b70ece07b 100644
--- a/boards/pca10005/include/periph_conf.h
+++ b/boards/pca10005/include/periph_conf.h
@@ -18,8 +18,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -186,4 +186,4 @@ extern "C" {
 }
 #endif
 
-#endif /* __PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
diff --git a/boards/pttu/include/board.h b/boards/pttu/include/board.h
index 16a071c15a..95fedb449f 100644
--- a/boards/pttu/include/board.h
+++ b/boards/pttu/include/board.h
@@ -18,8 +18,8 @@
  * @author      Kaspar Schleiser <kaspar@schleiser.de>
  */
 
-#ifndef __BOARD_H
-#define __BOARD_H
+#ifndef BOARD_H_
+#define BOARD_H_
 
 #include <stdint.h>
 
@@ -59,5 +59,5 @@ typedef uint8_t radio_packet_length_t;
 }
 #endif
 
-#endif /* __BOARD_H */
 /** @} */
+#endif /* BOARD_H_ */
diff --git a/boards/pttu/include/periph_conf.h b/boards/pttu/include/periph_conf.h
index ed13a5c78e..f644040aca 100644
--- a/boards/pttu/include/periph_conf.h
+++ b/boards/pttu/include/periph_conf.h
@@ -16,8 +16,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #include "lpc2387.h"
 
@@ -54,5 +54,5 @@ extern "C" {
 }
 #endif
 
-#endif /* __PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
 /** @} */
diff --git a/boards/qemu-i386/include/board.h b/boards/qemu-i386/include/board.h
index e06cd8ed32..bee456c9d1 100644
--- a/boards/qemu-i386/include/board.h
+++ b/boards/qemu-i386/include/board.h
@@ -18,8 +18,8 @@
  * @author      René Kijewski <rene.kijewski@fu-berlin.de>
  */
 
-#ifndef __RIOT__BOARDS__QEMU_I386__BOARD__H
-#define __RIOT__BOARDS__QEMU_I386__BOARD__H
+#ifndef RIOT__BOARDS__QEMU_I386__BOARD__H_
+#define RIOT__BOARDS__QEMU_I386__BOARD__H_
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/boards/qemu-i386/include/cpu_conf.h b/boards/qemu-i386/include/cpu_conf.h
index a273115f11..3dbe9a4653 100644
--- a/boards/qemu-i386/include/cpu_conf.h
+++ b/boards/qemu-i386/include/cpu_conf.h
@@ -16,8 +16,8 @@
  * @author      René Kijewski <rene.kijewski@fu-berlin.de>
  */
 
-#ifndef __RIOT__BOARDS__QEMU_I386__CPU_CONF__H
-#define __RIOT__BOARDS__QEMU_I386__CPU_CONF__H
+#ifndef RIOT__BOARDS__QEMU_I386__CPU_CONF__H_
+#define RIOT__BOARDS__QEMU_I386__CPU_CONF__H_
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/boards/redbee-econotag/drivers/include/nvm.h b/boards/redbee-econotag/drivers/include/nvm.h
index f0887beee1..f08c9fb93c 100644
--- a/boards/redbee-econotag/drivers/include/nvm.h
+++ b/boards/redbee-econotag/drivers/include/nvm.h
@@ -7,8 +7,8 @@
  * directory for more details.
  */
 
-#ifndef NVM_H
-#define NVM_H
+#ifndef NVM_H_
+#define NVM_H_
 
 #include <stdint.h>
 
@@ -62,4 +62,4 @@ extern void(*nvm_setsvar)(uint32_t zero_for_awesome);
 }
 #endif
 
-#endif //NVM_H
+#endif //NVM_H_
diff --git a/boards/redbee-econotag/drivers/include/uart.h b/boards/redbee-econotag/drivers/include/uart.h
index 546c3fe7e5..7cc4ab620b 100644
--- a/boards/redbee-econotag/drivers/include/uart.h
+++ b/boards/redbee-econotag/drivers/include/uart.h
@@ -7,8 +7,8 @@
  * directory for more details.
  */
 
-#ifndef UART_H
-#define UART_H
+#ifndef UART_H_
+#define UART_H_
 
 #include <stdint.h>
 
diff --git a/boards/redbee-econotag/include/board.h b/boards/redbee-econotag/include/board.h
index 5dcd027b61..cd02b15013 100644
--- a/boards/redbee-econotag/include/board.h
+++ b/boards/redbee-econotag/include/board.h
@@ -18,8 +18,8 @@
  * @author      Thomas Eichinger <thomas.eichinger@fu-berlin.de>
  */
 
-#ifndef REDBEE_ECONOTAG_BOARD_H
-#define REDBEE_ECONOTAG_BOARD_H
+#ifndef REDBEE_ECONOTAG_BOARD_H_
+#define REDBEE_ECONOTAG_BOARD_H_
 
 #include <stdint.h>
 
diff --git a/boards/redbee-econotag/include/periph_conf.h b/boards/redbee-econotag/include/periph_conf.h
index 1fa2059b55..ee839d71de 100644
--- a/boards/redbee-econotag/include/periph_conf.h
+++ b/boards/redbee-econotag/include/periph_conf.h
@@ -16,9 +16,9 @@
  * @author      Oliver Hahm <oliver.hahm@inria.fr>
  */
 
-#ifndef PERIPH_CONF_H
-#define PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 /* make Travis happy: #ifdef __cplusplus extern "C" { #endif */
 
-#endif /* PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
diff --git a/boards/samr21-xpro/include/board.h b/boards/samr21-xpro/include/board.h
index 7143c6452a..1c7beceac9 100644
--- a/boards/samr21-xpro/include/board.h
+++ b/boards/samr21-xpro/include/board.h
@@ -18,8 +18,8 @@
  * @author      Thomas Eichinger <thomas.eichinger@fu-berlin.de>
  */
 
-#ifndef __BOARD_H
-#define __BOARD_H
+#ifndef BOARD_H_
+#define BOARD_H_
 
 #include "cpu.h"
 
@@ -113,5 +113,5 @@ void board_init(void);
 }
 #endif
 
-#endif /** __BOARD_H */
+#endif /** BOARD_H_ */
 /** @} */
diff --git a/boards/samr21-xpro/include/ng_at86rf2xx_params.h b/boards/samr21-xpro/include/ng_at86rf2xx_params.h
index 9a75c29ac2..b4ae732e18 100644
--- a/boards/samr21-xpro/include/ng_at86rf2xx_params.h
+++ b/boards/samr21-xpro/include/ng_at86rf2xx_params.h
@@ -16,8 +16,8 @@
  * @author    Kaspar Schleiser <kaspar@schleiser.de>
  */
 
-#ifndef NG_AT86RF2XX_PARAMS_H
-#define NG_AT86RF2XX_PARAMS_H
+#ifndef NG_AT86RF2XX_PARAMS_H_
+#define NG_AT86RF2XX_PARAMS_H_
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/boards/samr21-xpro/include/periph_conf.h b/boards/samr21-xpro/include/periph_conf.h
index 1830c68ab3..23a24f441a 100644
--- a/boards/samr21-xpro/include/periph_conf.h
+++ b/boards/samr21-xpro/include/periph_conf.h
@@ -16,8 +16,8 @@
  * @author      Thomas Eichinger <thomas.eichinger@fu-berlin.de>
  */
 
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -264,5 +264,5 @@ extern "C" {
 }
 #endif
 
-#endif /* __PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
 /** @} */
diff --git a/boards/spark-core/include/periph_conf.h b/boards/spark-core/include/periph_conf.h
index a77a1abe80..bbc0f611a0 100644
--- a/boards/spark-core/include/periph_conf.h
+++ b/boards/spark-core/include/periph_conf.h
@@ -15,8 +15,8 @@
  *
  * @author      Christian Mehlis <mehlis@inf.fu-berlin.de>
  */
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -253,5 +253,5 @@
 } /* end extern "C" */
 #endif
 
-#endif /* __PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
 /** @} */
diff --git a/boards/stm32f0discovery/include/board.h b/boards/stm32f0discovery/include/board.h
index 69be3abf7d..fc1dac3054 100644
--- a/boards/stm32f0discovery/include/board.h
+++ b/boards/stm32f0discovery/include/board.h
@@ -18,8 +18,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __BOARD_H
-#define __BOARD_H
+#ifndef BOARD_H_
+#define BOARD_H_
 
 #include "cpu.h"
 
@@ -82,5 +82,5 @@ void board_init(void);
 }
 #endif
 
-#endif /** __BOARD_H */
+#endif /** BOARD_H_ */
 /** @} */
diff --git a/boards/stm32f0discovery/include/periph_conf.h b/boards/stm32f0discovery/include/periph_conf.h
index b9fdc988ec..b8e76c52fb 100644
--- a/boards/stm32f0discovery/include/periph_conf.h
+++ b/boards/stm32f0discovery/include/periph_conf.h
@@ -16,8 +16,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -276,4 +276,4 @@ extern "C" {
 }
 #endif
 
-#endif /* __PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
diff --git a/boards/stm32f3discovery/include/board.h b/boards/stm32f3discovery/include/board.h
index 999ad53212..5c5d047534 100644
--- a/boards/stm32f3discovery/include/board.h
+++ b/boards/stm32f3discovery/include/board.h
@@ -18,8 +18,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __BOARD_H
-#define __BOARD_H
+#ifndef BOARD_H_
+#define BOARD_H_
 
 #include "cpu.h"
 
@@ -107,5 +107,5 @@ void board_init(void);
 }
 #endif
 
-#endif /** __BOARD_H */
+#endif /** BOARD_H_ */
 /** @} */
diff --git a/boards/stm32f3discovery/include/periph_conf.h b/boards/stm32f3discovery/include/periph_conf.h
index 8120902dfa..3e9f4d2f5d 100644
--- a/boards/stm32f3discovery/include/periph_conf.h
+++ b/boards/stm32f3discovery/include/periph_conf.h
@@ -16,8 +16,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -372,4 +372,4 @@ extern "C" {
 }
 #endif
 
-#endif /* __PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
diff --git a/boards/stm32f4discovery/include/board.h b/boards/stm32f4discovery/include/board.h
index f29617a960..b33960044e 100644
--- a/boards/stm32f4discovery/include/board.h
+++ b/boards/stm32f4discovery/include/board.h
@@ -18,8 +18,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __BOARD_H
-#define __BOARD_H
+#ifndef BOARD_H_
+#define BOARD_H_
 
 #include "cpu.h"
 #include "periph_conf.h"
@@ -93,5 +93,5 @@ void board_init(void);
 }
 #endif
 
-#endif /** __BOARD_H */
+#endif /** BOARD_H_ */
 /** @} */
diff --git a/boards/stm32f4discovery/include/periph_conf.h b/boards/stm32f4discovery/include/periph_conf.h
index 7e29a06864..515d0a8dcb 100644
--- a/boards/stm32f4discovery/include/periph_conf.h
+++ b/boards/stm32f4discovery/include/periph_conf.h
@@ -17,8 +17,8 @@
  * @author      Peter Kietzmann <peter.kietzmann@haw-hamburg.de>
  */
 
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -409,5 +409,5 @@ extern "C" {
 }
 #endif
 
-#endif /* __PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
 /** @} */
diff --git a/boards/telosb/include/board-conf.h b/boards/telosb/include/board-conf.h
index bdf1dc6198..aa24dffec7 100644
--- a/boards/telosb/include/board-conf.h
+++ b/boards/telosb/include/board-conf.h
@@ -6,8 +6,8 @@
  * directory for more details.
  */
 
-#ifndef BOARD_CONF_H
-#define BOARD_CONF_H
+#ifndef BOARD_CONF_H_
+#define BOARD_CONF_H_
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/boards/telosb/include/board.h b/boards/telosb/include/board.h
index c5ff8ac940..37f148ce37 100644
--- a/boards/telosb/include/board.h
+++ b/boards/telosb/include/board.h
@@ -23,8 +23,8 @@
  * @author      Oliver Hahm <oliver.hahm@inria.fr>
  */
 
-#ifndef _TELOSB_BOARD_H
-#define _TELOSB_BOARD_H
+#ifndef TELOSB_BOARD_H_
+#define TELOSB_BOARD_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -70,4 +70,4 @@ extern "C" {
 typedef uint8_t radio_packet_length_t;
 
 /** @} */
-#endif // _TELOSB_BOARD_H
+#endif // TELOSB_BOARD_H_
diff --git a/boards/telosb/include/periph_conf.h b/boards/telosb/include/periph_conf.h
index ff1db5a34f..e5626ec493 100644
--- a/boards/telosb/include/periph_conf.h
+++ b/boards/telosb/include/periph_conf.h
@@ -16,9 +16,9 @@
  * @author      Oliver Hahm <oliver.hahm@inria.fr>
  */
 
-#ifndef PERIPH_CONF_H
-#define PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 /* make Travis happy: #ifdef __cplusplus extern "C" { #endif */
 
-#endif /* PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
diff --git a/boards/udoo/include/board.h b/boards/udoo/include/board.h
index 224c468b43..fff203b064 100644
--- a/boards/udoo/include/board.h
+++ b/boards/udoo/include/board.h
@@ -18,8 +18,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __BOARD_H
-#define __BOARD_H
+#ifndef BOARD_H_
+#define BOARD_H_
 
 #include "cpu.h"
 #include "cpu_conf.h"
@@ -82,5 +82,5 @@ void board_init(void);
 }
 #endif
 
-#endif /** __BOARD_H */
+#endif /** BOARD_H_ */
 /** @} */
diff --git a/boards/udoo/include/periph_conf.h b/boards/udoo/include/periph_conf.h
index 5c49bf3adc..52b31e739f 100644
--- a/boards/udoo/include/periph_conf.h
+++ b/boards/udoo/include/periph_conf.h
@@ -16,8 +16,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -347,5 +347,5 @@ extern "C" {
 }
 #endif
 
-#endif /* __PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
 /** @} */
diff --git a/boards/wsn430-common/include/board-conf.h b/boards/wsn430-common/include/board-conf.h
index c6985226db..cff1c02246 100644
--- a/boards/wsn430-common/include/board-conf.h
+++ b/boards/wsn430-common/include/board-conf.h
@@ -18,8 +18,8 @@
  * @author      unknown
  */
 
-#ifndef BOARD_CONF_H
-#define BOARD_CONF_H
+#ifndef BOARD_CONF_H_
+#define BOARD_CONF_H_
 
 #include <stdint.h>
 
diff --git a/boards/wsn430-common/include/periph_conf.h b/boards/wsn430-common/include/periph_conf.h
index 16a2f385f2..39305bbb3d 100644
--- a/boards/wsn430-common/include/periph_conf.h
+++ b/boards/wsn430-common/include/periph_conf.h
@@ -16,9 +16,9 @@
  * @author      Oliver Hahm <oliver.hahm@inria.fr>
  */
 
-#ifndef PERIPH_CONF_H
-#define PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 /* make Travis happy: #ifdef __cplusplus extern "C" { #endif */
 
-#endif /* PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
diff --git a/boards/wsn430-v1_3b/include/board.h b/boards/wsn430-v1_3b/include/board.h
index 685a0f58d8..d5fe423860 100644
--- a/boards/wsn430-v1_3b/include/board.h
+++ b/boards/wsn430-v1_3b/include/board.h
@@ -23,8 +23,8 @@
  * @author      Milan Babel <babel@inf.fu-berlin.de>
  */
 
-#ifndef _WSN_BOARD_H
-#define _WSN_BOARD_H
+#ifndef WSN_BOARD_H_
+#define WSN_BOARD_H_
 
 #include "board-conf.h"
 
@@ -72,4 +72,4 @@ extern "C" {
 typedef uint8_t radio_packet_length_t;
 
 /** @} */
-#endif // _WSN_BOARD_H
+#endif // WSN_BOARD_H_
diff --git a/boards/wsn430-v1_4/include/board.h b/boards/wsn430-v1_4/include/board.h
index 409d5d3dc4..f72f7bfee2 100644
--- a/boards/wsn430-v1_4/include/board.h
+++ b/boards/wsn430-v1_4/include/board.h
@@ -23,8 +23,8 @@
  * @author      Milan Babel <babel@inf.fu-berlin.de>
  */
 
-#ifndef _WSN_BOARD_H
-#define _WSN_BOARD_H
+#ifndef WSN_BOARD_H_
+#define WSN_BOARD_H_
 
 #include "board-conf.h"
 
@@ -72,4 +72,4 @@ extern "C" {
 typedef uint8_t radio_packet_length_t;
 
 /** @} */
-#endif // _WSN_BOARD_H
+#endif // WSN_BOARD_H_
diff --git a/boards/x86-multiboot-common/include/multiboot.h b/boards/x86-multiboot-common/include/multiboot.h
index c7802af734..44e629d69a 100644
--- a/boards/x86-multiboot-common/include/multiboot.h
+++ b/boards/x86-multiboot-common/include/multiboot.h
@@ -25,8 +25,8 @@
  * @brief       Architecture specific definitions for multiboot enabled kernels
  */
 
-#ifndef MULTIBOOT_H
-#define MULTIBOOT_H
+#ifndef MULTIBOOT_H_
+#define MULTIBOOT_H_
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/boards/yunjia-nrf51822/include/board.h b/boards/yunjia-nrf51822/include/board.h
index 1fd47cbe70..6cbf25ab20 100644
--- a/boards/yunjia-nrf51822/include/board.h
+++ b/boards/yunjia-nrf51822/include/board.h
@@ -18,8 +18,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __BOARD_H
-#define __BOARD_H
+#ifndef BOARD_H_
+#define BOARD_H_
 
 #include "cpu.h"
 
@@ -72,5 +72,5 @@ void board_init(void);
 }
 #endif
 
-#endif /** __BOARD_H */
+#endif /** BOARD_H_ */
 /** @} */
diff --git a/boards/yunjia-nrf51822/include/periph_conf.h b/boards/yunjia-nrf51822/include/periph_conf.h
index d4144a17b8..a69d8cc3fb 100644
--- a/boards/yunjia-nrf51822/include/periph_conf.h
+++ b/boards/yunjia-nrf51822/include/periph_conf.h
@@ -16,8 +16,8 @@
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
  */
 
-#ifndef __PERIPH_CONF_H
-#define __PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 #ifdef __cplusplus
 extern "C" {
@@ -168,4 +168,4 @@ extern "C" {
 }
 #endif
 
-#endif /* __PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
diff --git a/boards/z1/include/board-conf.h b/boards/z1/include/board-conf.h
index 3031846d7a..0a97ea2215 100644
--- a/boards/z1/include/board-conf.h
+++ b/boards/z1/include/board-conf.h
@@ -6,8 +6,8 @@
  * directory for more details.
  */
 
-#ifndef BOARD_CONF_H
-#define BOARD_CONF_H
+#ifndef BOARD_CONF_H_
+#define BOARD_CONF_H_
 
 /**
  * @ingroup     boards_z1
diff --git a/boards/z1/include/board.h b/boards/z1/include/board.h
index 3dcf3d02b0..6f3c320736 100644
--- a/boards/z1/include/board.h
+++ b/boards/z1/include/board.h
@@ -7,8 +7,8 @@
  * directory for more details.
  */
 
-#ifndef _Z1_BOARD_H
-#define _Z1_BOARD_H
+#ifndef Z1_BOARD_H_
+#define Z1_BOARD_H_
 
 /**
  * @defgroup    boards_z1 Zolertia Z1
@@ -83,4 +83,4 @@ typedef uint8_t radio_packet_length_t;
 #endif
 
 /** @} */
-#endif // _Z1_BOARD_H
+#endif // Z1_BOARD_H_
diff --git a/boards/z1/include/periph_conf.h b/boards/z1/include/periph_conf.h
index 3f77da85c1..a7b7994801 100644
--- a/boards/z1/include/periph_conf.h
+++ b/boards/z1/include/periph_conf.h
@@ -16,9 +16,9 @@
  * @author      Oliver Hahm <oliver.hahm@inria.fr>
  */
 
-#ifndef PERIPH_CONF_H
-#define PERIPH_CONF_H
+#ifndef PERIPH_CONF_H_
+#define PERIPH_CONF_H_
 
 /* make Travis happy: #ifdef __cplusplus extern "C" { #endif */
 
-#endif /* PERIPH_CONF_H */
+#endif /* PERIPH_CONF_H_ */
-- 
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