AP_HAL_VRBRAIN: replace header guard with pragma once

libraries/AP_HAL_VRBRAIN/AP_HAL_VRBRAIN.h

@@ -1,6 +1,4 @@
-
-#ifndef __AP_HAL_VRBRAIN_H__
-#define __AP_HAL_VRBRAIN_H__
+#pragma once
 
 #include <AP_HAL/AP_HAL.h>
 
@@ -8,5 +6,3 @@
 #include "HAL_VRBRAIN_Class.h"
 
 #endif // CONFIG_HAL_BOARD
-#endif // __AP_HAL_VRBRAIN_H__
-

libraries/AP_HAL_VRBRAIN/AP_HAL_VRBRAIN_Namespace.h

@@ -1,6 +1,4 @@
-
-#ifndef __AP_HAL_VRBRAIN_NAMESPACE_H__
-#define __AP_HAL_VRBRAIN_NAMESPACE_H__
+#pragma once
 
 namespace VRBRAIN {
 	class VRBRAINScheduler;
@@ -14,6 +12,3 @@ namespace VRBRAIN {
         class VRBRAINGPIO;
         class VRBRAINDigitalSource;
 }
-
-#endif //__AP_HAL_VRBRAIN_NAMESPACE_H__
-

libraries/AP_HAL_VRBRAIN/AnalogIn.h

@@ -1,7 +1,5 @@
 /// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
-
-#ifndef __AP_HAL_VRBRAIN_ANALOGIN_H__
-#define __AP_HAL_VRBRAIN_ANALOGIN_H__
+#pragma once
 
 #include "AP_HAL_VRBRAIN.h"
 #include <pthread.h>
@@ -83,4 +81,3 @@ private:
 
     void next_stop_pin(void);
 };
-#endif // __AP_HAL_VRBRAIN_ANALOGIN_H__

libraries/AP_HAL_VRBRAIN/GPIO.h

@@ -1,7 +1,5 @@
 /// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
-
-#ifndef __AP_HAL_VRBRAIN_GPIO_H__
-#define __AP_HAL_VRBRAIN_GPIO_H__
+#pragma once
 
 #include "AP_HAL_VRBRAIN.h"
 
@@ -52,5 +50,3 @@ public:
 private:
     uint8_t _v;
 };
-
-#endif // __AP_HAL_VRBRAIN_GPIO_H__

libraries/AP_HAL_VRBRAIN/RCInput.h

@@ -1,6 +1,4 @@
-
-#ifndef __AP_HAL_VRBRAIN_RCINPUT_H__
-#define __AP_HAL_VRBRAIN_RCINPUT_H__
+#pragma once
 
 #include "AP_HAL_VRBRAIN.h"
 #include <drivers/drv_rc_input.h>
@@ -31,5 +29,3 @@ private:
     perf_counter_t _perf_rcin;
     pthread_mutex_t rcin_mutex;
 };
-
-#endif // __AP_HAL_VRBRAIN_RCINPUT_H__

libraries/AP_HAL_VRBRAIN/RCOutput.h

@@ -1,6 +1,4 @@
-
-#ifndef __AP_HAL_VRBRAIN_RCOUTPUT_H__
-#define __AP_HAL_VRBRAIN_RCOUTPUT_H__
+#pragma once
 
 #include "AP_HAL_VRBRAIN.h"
 #include <systemlib/perf_counter.h>
@@ -41,5 +39,3 @@ private:
 
     void _init_alt_channels(void);
 };
-
-#endif // __AP_HAL_VRBRAIN_RCOUTPUT_H__

libraries/AP_HAL_VRBRAIN/Scheduler.h

@@ -1,6 +1,4 @@
-
-#ifndef __AP_HAL_VRBRAIN_SCHEDULER_H__
-#define __AP_HAL_VRBRAIN_SCHEDULER_H__
+#pragma once
 
 #include <AP_HAL/AP_HAL.h>
 #if CONFIG_HAL_BOARD == HAL_BOARD_VRBRAIN
@@ -78,6 +76,3 @@ private:
     perf_counter_t  _perf_delay;
 };
 #endif
-#endif // __AP_HAL_VRBRAIN_SCHEDULER_H__
-
-

libraries/AP_HAL_VRBRAIN/Storage.h

@@ -1,7 +1,4 @@
-
-
-#ifndef __AP_HAL_VRBRAIN_STORAGE_H__
-#define __AP_HAL_VRBRAIN_STORAGE_H__
+#pragma once
 
 #include <AP_HAL/AP_HAL.h>
 #include "AP_HAL_VRBRAIN_Namespace.h"
@@ -38,5 +35,3 @@ private:
     uint32_t _mtd_signature(void);
     void _mtd_write_signature(void);
 };
-
-#endif // __AP_HAL_VRBRAIN_STORAGE_H__

libraries/AP_HAL_VRBRAIN/UARTDriver.h

@@ -1,6 +1,4 @@
-
-#ifndef __AP_HAL_VRBRAIN_UARTDRIVER_H__
-#define __AP_HAL_VRBRAIN_UARTDRIVER_H__
+#pragma once
 
 #include "AP_HAL_VRBRAIN.h"
 #include <systemlib/perf_counter.h>
@@ -77,5 +75,3 @@ private:
     uint32_t _total_written;
     enum flow_control _flow_control;
 };
-
-#endif // __AP_HAL_VRBRAIN_UARTDRIVER_H__

libraries/AP_HAL_VRBRAIN/Util.h

@@ -1,6 +1,4 @@
-
-#ifndef __AP_HAL_VRBRAIN_UTIL_H__
-#define __AP_HAL_VRBRAIN_UTIL_H__
+#pragma once
 
 #include <AP_HAL/AP_HAL.h>
 #include "AP_HAL_VRBRAIN_Namespace.h"
@@ -27,5 +25,3 @@ public:
 private:
     int _safety_handle;
 };
-
-#endif // __AP_HAL_VRBRAIN_UTIL_H__