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digistump-sam/system/libsam/include/wdt.h

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+/* ----------------------------------------------------------------------------
+ *         SAM Software Package License
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2011-2012, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following condition is met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ----------------------------------------------------------------------------
+ */
+
+/**
+ * \file
+ *
+ * \section Purpose
+ * Interface for Watchdog Timer (WDT) controller.
+ *
+ * \section Usage
+ * -# Enable watchdog with given mode using \ref WDT_Enable().
+ * -# Disable watchdog using \ref WDT_Disable()
+ * -# Restart the watchdog using \ref WDT_Restart().
+ * -# Get watchdog status using \ref  WDT_GetStatus().
+ * -# Caculate watchdog period value using \ref WDT_GetPeriod().
+ */
+
+#ifndef _WDT_
+#define _WDT_
+
+#include "../chip.h"
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/*----------------------------------------------------------------------------
+ *        Exported functions
+ *----------------------------------------------------------------------------*/
+
+extern void WDT_Enable( Wdt* pWDT, uint32_t dwMode ) ;
+
+extern void WDT_Disable( Wdt* pWDT ) ;
+
+extern void WDT_Restart( Wdt* pWDT ) ;
+
+extern uint32_t WDT_GetStatus( Wdt* pWDT ) ;
+
+extern uint32_t WDT_GetPeriod( uint32_t dwMs ) ;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* #ifndef _WDT_ */
+