bugfix compile error

cpu/avr/dev/arduino/Arduino.h

@@ -70,6 +70,7 @@ extern "C"{
 #define bitClear(value, bit) ((value) &= ~(1UL << (bit)))
 #define bitWrite(value, bit, bitvalue) (bitvalue ? bitSet(value, bit) : bitClear(value, bit))
 
+#define clockCyclesPerMicrosecond()  ( F_CPU / 1000000L )
 #define microsecondsToClockCycles(a) ( (a) * (F_CPU / 1000000L) )
 
 typedef unsigned int word;

examples/osd/arduino-servo/Servo.cpp

@@ -17,15 +17,12 @@
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#if defined(ARDUINO_ARCH_AVR)
-
 #include <avr/interrupt.h>
-extern "C" {
-  #include "Arduino.h"
-}
-
+#include "Arduino.h"
 #include "Servo.h"
 
+#if defined(ARDUINO_ARCH_AVR)
+
 #define usToTicks(_us)    (( clockCyclesPerMicrosecond()* _us) / 8)     // converts microseconds to tick (assumes prescale of 8)  // 12 Aug 2009
 #define ticksToUs(_ticks) (( (unsigned)_ticks * 8)/ clockCyclesPerMicrosecond() ) // converts from ticks back to microseconds
 

examples/osd/arduino-servo/Servo.h

@@ -50,6 +50,7 @@
 
 #include <inttypes.h>
 #define ARDUINO_ARCH_AVR
+
 /* 
  * Defines for 16 bit timers used with  Servo library 
  *

examples/osd/arduino-servo/project-conf.h

@@ -37,7 +37,7 @@
 #define PLATFORM_HAS_BATTERY 1
 
 
-#define LOOP_INTERVAL		(30 * CLOCK_SECOND)
+#define LOOP_INTERVAL		(CLOCK_SECOND/10)
 
 /* Save energy */
 //#define RDC_CONF_PT_YIELD_OFF

examples/osd/arduino-servo/sketch.pde

@@ -9,27 +9,23 @@
  * Note that for a normal arduino sketch you won't have to include any
  * of the contiki-specific files here, the sketch should just work.
  */
+#include "Servo.h"
 
 extern "C" {
-
 #include "arduino-process.h"
 #include "rest-engine.h"
 #include "net/netstack.h"
-#include "Servo.h"
 
 extern resource_t res_led, res_battery, res_cputemp;
+}
 
 uint8_t led_pin=4;
 uint8_t led_status;
 
-
 int potpin = A5;  // analog pin used to connect the potentiometer
 int val;    // variable to read the value from the analog pin
 
-Servo servo();  // create servo object to control a servo
-
-}
-
+Servo servo;  // create servo object to control a servo
 
 void setup (void)
 {
@@ -48,7 +44,7 @@ void setup (void)
     #pragma GCC diagnostic pop
     
  //   NETSTACK_MAC.off(1);
-    mcu_sleep_set(128);
+ //   mcu_sleep_set(128);
 }
 
 void loop (void)