*
* \brief Watchdog interface for ARM architecture.
*
- * \version $Id$
*
* \author Luca Ottaviano <lottaviano@develer.com>
*
#define DRV_WDT_ARM_H
#include <cfg/compiler.h> // INLINE
+#include <cfg/macros.h> // BV
-#warning TODO: This module is not implemented for at91 CPUs
+#if CPU_ARM_AT91
+ #include <io/arm.h>
-INLINE void wdt_start(uint32_t _timeout) { (void) _timeout; /* implement me */ }
-INLINE void wdt_stop(void) { /*implement me */ }
-INLINE void wdt_reset(void) { /* implement me */ }
+ INLINE void wdt_start(uint32_t _timeout) { (void) _timeout; /* implement me */ }
+ INLINE void wdt_stop(void) { WDT_MR = BV(WDT_WDDIS); }
+ INLINE void wdt_reset(void)
+ {
+ WDT_CR = WDT_KEY | BV(WDT_WDRSTT);
+ }
+#else
+ #error "Missing watchdog support for yout CPU"
+#endif
-#endif //DRV_WDT_ARM_H
+#endif /* DRV_WDT_ARM_H */