00001 /* ---------------------------------------------------------------------------- */ 00002 /* Atmel Microcontroller Software Support */ 00003 /* SAM Software Package License */ 00004 /* ---------------------------------------------------------------------------- */ 00005 /* Copyright (c) 2015, Atmel Corporation */ 00006 /* */ 00007 /* All rights reserved. */ 00008 /* */ 00009 /* Redistribution and use in source and binary forms, with or without */ 00010 /* modification, are permitted provided that the following condition is met: */ 00011 /* */ 00012 /* - Redistributions of source code must retain the above copyright notice, */ 00013 /* this list of conditions and the disclaimer below. */ 00014 /* */ 00015 /* Atmel's name may not be used to endorse or promote products derived from */ 00016 /* this software without specific prior written permission. */ 00017 /* */ 00018 /* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */ 00019 /* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ 00020 /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */ 00021 /* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */ 00022 /* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ 00023 /* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */ 00024 /* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ 00025 /* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */ 00026 /* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ 00027 /* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ 00028 /* ---------------------------------------------------------------------------- */ 00029 00030 /** 00031 * \file 00032 * 00033 * \section Purpose 00034 * Interface for Watchdog Timer (WDT) controller. 00035 * 00036 * \section Usage 00037 * -# Enable watchdog with given mode using \ref WDT_Enable(). 00038 * -# Disable watchdog using \ref WDT_Disable() 00039 * -# Restart the watchdog using \ref WDT_Restart(). 00040 * -# Get watchdog status using \ref WDT_GetStatus(). 00041 * -# Calculate watchdog period value using \ref WDT_GetPeriod(). 00042 */ 00043 00044 #ifndef _WDT_ 00045 #define _WDT_ 00046 00047 #include "chip.h" 00048 00049 #include <stdint.h> 00050 00051 #ifdef __cplusplus 00052 extern "C" { 00053 #endif 00054 00055 /*---------------------------------------------------------------------------- 00056 * Exported functions 00057 *----------------------------------------------------------------------------*/ 00058 00059 extern void WDT_Enable(Wdt *pWDT, uint32_t dwMode); 00060 00061 extern void WDT_Disable(Wdt *pWDT); 00062 00063 extern void WDT_Restart(Wdt *pWDT); 00064 00065 extern uint32_t WDT_GetStatus(Wdt *pWDT); 00066 00067 extern uint32_t WDT_GetPeriod(uint32_t dwMs); 00068 00069 #ifdef __cplusplus 00070 } 00071 #endif 00072 00073 #endif /* #ifndef _WDT_ */ 00074