X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fcpu%2Farm%2Fdrv%2Fwdt_arm.h;h=cf6b480acf34092e2e01a1b4e2ae972c39de52e0;hb=4d8a6a97c6c0e15296b51d5f02674079bede1aa0;hp=2e631bd6472e837e73d7eab488dce61b436fb52e;hpb=b46f64914c62fbb0297728280478681659469654;p=bertos.git

diff --git a/bertos/cpu/arm/drv/wdt_arm.h b/bertos/cpu/arm/drv/wdt_arm.h
index 2e631bd6..cf6b480a 100644
--- a/bertos/cpu/arm/drv/wdt_arm.h
+++ b/bertos/cpu/arm/drv/wdt_arm.h
@@ -40,11 +40,19 @@
 #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 */