Improved support for the IAR compiler.

io and signal have been moved into contiki include file.

platform/exp5438/rtimer-arch.c

@@ -39,17 +39,11 @@
  */
 
 #include "contiki.h"
-#ifdef __IAR_SYSTEMS_ICC__
-#include <msp430.h>
-#else
-#include <io.h>
-#include <signal.h>
-#endif
-
 #include "sys/energest.h"
 #include "sys/rtimer.h"
 #include "sys/process.h"
 #include "dev/watchdog.h"
+#include "isr_compat.h"
 
 #define DEBUG 0
 #if DEBUG
@@ -60,13 +54,8 @@
 #endif
 
 /*---------------------------------------------------------------------------*/
-#ifdef __IAR_SYSTEMS_ICC__
-#pragma vector=TIMER1_A0_VECTOR
-__interrupt void
-#else
-interrupt(TIMER1_A0_VECTOR)
-#endif
- timera0 (void) {
+ISR(TIMER1_A0, timera0)
+{
   ENERGEST_ON(ENERGEST_TYPE_IRQ);
 
   watchdog_start();