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94 lines
2.5 KiB
C
94 lines
2.5 KiB
C
/* mbed Microcontroller Library
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*******************************************************************************
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* Copyright (c) 2014, Realtek
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* All rights reserved.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*******************************************************************************
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*/
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#include "cmsis.h"
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#include "wdt_api.h"
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extern VOID WDGInitial(u32 Period);
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extern VOID WDGStart(VOID);
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extern VOID WDGStop(VOID);
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extern VOID WDGRefresh(VOID);
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extern VOID WDGIrqInitial(VOID);
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extern VOID WDGIrqCallBackReg(VOID *CallBack, u32 Id);
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/**
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* @brief Initial the watch dog time setting
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*
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* @param timeout_ms: the watch-dog timer timeout value, in ms.
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* default action of timeout is to reset the whole system.
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* @return None
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*
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*/
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void watchdog_init(uint32_t timeout_ms)
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{
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WDGInitial(timeout_ms);
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}
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/**
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* @brief Start the watchdog counting
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*
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* @param None
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* @return None
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*
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*/
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void watchdog_start(void)
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{
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WDGStart();
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}
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/**
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* @brief Stop the watchdog counting
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*
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* @param None
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* @return None
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*
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*/
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void watchdog_stop(void)
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{
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WDGStop();
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}
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/**
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* @brief Refresh the watchdog counting to prevent WDT timeout
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*
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* @param None
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* @return None
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*
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*/
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void watchdog_refresh(void)
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{
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WDGRefresh();
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}
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/**
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* @brief Switch the watchdog timer to interrupt mode and
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* register a watchdog timer timeout interrupt handler.
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* The interrupt handler will be called when the watch-dog
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* timer is timeout.
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*
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* @param handler: the callback function for WDT timeout interrupt.
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* id: the parameter for the callback function
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* @return None
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*
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*/
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void watchdog_irq_init(wdt_irq_handler handler, uint32_t id)
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{
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WDGIrqCallBackReg((VOID*)handler, (u32)id);
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WDGIrqInitial();
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}
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