Moved remotely

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+/* ---------------------------------------------------------------------------
+ * watchdog.c - v0.1                                    (c) 2007 Micro-key bv
+ * ---------------------------------------------------------------------------
+ * Micro-key bv
+ * Industrieweg 28, 9804 TG Noordhorn
+ * Postbus 92, 9800 AB Zuidhorn
+ * The Netherlands
+ * Tel: +31 594 503020
+ * Fax: +31 594 505825
+ * Email: support@microkey.nl  
+ * Web: www.microkey.nl
+ * ---------------------------------------------------------------------------
+ * Description: Watchdog funcitonality
+ * ---------------------------------------------------------------------------
+ * Version(s):  0.1, 28-11-2007, fvds.
+ *                   Creation.
+ * ---------------------------------------------------------------------------
+ */
+
+/* ---------------------------------------------------------------------------
+ * System include files
+ * ---------------------------------------------------------------------------
+ */
+
+/* ---------------------------------------------------------------------------
+ * Application include files
+ * ---------------------------------------------------------------------------
+ */
+#include "LPC23xx.h"
+#include "types.h"
+#include "watchdog.h"
+
+/* FreeRTOS includes */
+#include "FreeRTOS.h"
+
+/* ---------------------------------------------------------------------------
+ * Local constant and macro definitions
+ * ---------------------------------------------------------------------------
+ */
+#define WD_CLKSRC_APB       (0x01)
+#define WD_CLKSRC_IRC_OSC   (0x00)
+#define WD_EN               (0x01)
+#define WD_RESET            (0x02)
+#define WD_WTOF             (0x04)
+
+/* ---------------------------------------------------------------------------
+ * Global variable definitions
+ * ---------------------------------------------------------------------------
+ */
+
+/* ---------------------------------------------------------------------------
+ * Local variable definitions
+ * ---------------------------------------------------------------------------
+ */
+static INT16 WtofStatus = -1;
+
+/* ---------------------------------------------------------------------------
+ * Local function definitions
+ * ---------------------------------------------------------------------------
+ */
+
+/** \brief Enable the watchdog */
+void watchdogEnable( 
+        UINT16 resetTime   /**< Time in ms till watchdog will reset target when not fed in meantime */
+        )
+{
+    UINT32 prescaleFeedValue;
+    
+    // Make sure the WD_WTOF is stored
+    watchdogCausedReset();
+    
+    // Internal RC oscilator runs on 4 Mhz, the prescale is calculated by:
+    //       1                                  resetTime 
+    // ------------ * 4 * prescaleFeedValue = (-----------) (seconden)
+    //  4.000.000                                 1000
+    //
+    // 
+    prescaleFeedValue = resetTime * 1000;
+    WDTC = prescaleFeedValue;  /* once WDEN is set, the WDT will start after feeding */
+    WDMOD = WD_EN | WD_RESET;
+
+    WDFEED = 0xAA;    /* Feeding sequence */
+    WDFEED = 0x55;
+}
+
+
+/** \brief Feed the watchdog in order to prevent a reset */
+void watchdogFeed()
+{
+    WDFEED = 0xAA;    /* Feeding sequence */
+    WDFEED = 0x55;
+}
+
+BOOLEAN watchdogCausedReset()
+{
+	if ( WtofStatus < 0)
+	{
+		WtofStatus = ((WDMOD & WD_WTOF) == WD_WTOF ? 1 : 0);
+
+		// Clear bit 
+		WDMOD &=  ~WD_WTOF;
+	}
+	
+	return (WtofStatus == 1 ? TRUE : FALSE);
+}