harmonize LED implementation

fix https://github.com/RIOT-OS/RIOT/issues/145

native/board_init.c

@@ -26,7 +26,7 @@ void board_init()
 #ifdef MODULE_UART0
     _native_init_uart0();
 #endif
-    LED_GREEN_OFF();
-    LED_RED_ON();
+    LED_GREEN_OFF;
+    LED_RED_ON;
     puts("RIOT native board initialized.");
 }

native/drivers/native-led.c

@@ -19,32 +19,32 @@
 
 #include "board.h"
 
-void LED_GREEN_OFF(void)
+void _native_LED_GREEN_OFF(void)
 {
     printf("LED_GREEN_OFF\n");
 }
 
-void LED_GREEN_ON(void)
+void _native_LED_GREEN_ON(void)
 {
     printf("LED_GREEN_ON\n");
 }
 
-void LED_GREEN_TOGGLE(void)
+void _native_LED_GREEN_TOGGLE(void)
 {
     printf("LED_GREEN_TOGGLE\n");
 }
 
-void LED_RED_OFF(void)
+void _native_LED_RED_OFF(void)
 {
     printf("LED_RED_OFF\n");
 }
 
-void LED_RED_ON(void)
+void _native_LED_RED_ON(void)
 {
     printf("LED_RED_ON\n");
 }
 
-void LED_RED_TOGGLE(void)
+void _native_LED_RED_TOGGLE(void)
 {
     printf("LED_RED_TOGGLE\n");
 }

native/include/board.h

@@ -15,9 +15,15 @@
  * @}
  */
 
-void LED_GREEN_OFF(void);
-void LED_GREEN_ON(void);
-void LED_GREEN_TOGGLE(void);
-void LED_RED_OFF(void);
-void LED_RED_ON(void);
-void LED_RED_TOGGLE(void);
+void _native_LED_GREEN_OFF(void);
+#define LED_GREEN_OFF (_native_LED_GREEN_OFF())
+void _native_LED_GREEN_ON(void);
+#define LED_GREEN_ON (_native_LED_GREEN_ON())
+void _native_LED_GREEN_TOGGLE(void);
+#define LED_GREEN_TOGGLE (_native_LED_GREEN_TOGGLE())
+void _native_LED_RED_OFF(void);
+#define LED_RED_OFF (_native_LED_RED_OFF())
+void _native_LED_RED_ON(void);
+#define LED_RED_ON (_native_LED_RED_ON())
+void _native_LED_RED_TOGGLE(void);
+#define LED_RED_TOGGLE (_native_LED_RED_TOGGLE())