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polyfractal 2016-12-30 18:23:32 -05:00
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component/common/mbed/targets/hal/rtl8195a/wdt_api.c Normal file
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/* mbed Microcontroller Library
*******************************************************************************
* Copyright (c) 2014, Realtek
* All rights reserved.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS 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.
*******************************************************************************
*/
#include "wdt_api.h"
#include "cmsis.h"
extern VOID WDGInitial(u32 Period);
extern VOID WDGStart(VOID);
extern VOID WDGStop(VOID);
extern VOID WDGRefresh(VOID);
extern VOID WDGIrqInitial(VOID);
extern VOID WDGIrqCallBackReg(VOID *CallBack, u32 Id);
/**
* @brief Initial the watch dog time setting
*
* @param timeout_ms: the watch-dog timer timeout value, in ms.
* default action of timeout is to reset the whole system.
* @return None
*
*/
void watchdog_init(uint32_t timeout_ms)
{
WDGInitial(timeout_ms);
}
/**
* @brief Start the watchdog counting
*
* @param None
* @return None
*
*/
void watchdog_start(void)
{
WDGStart();
}
/**
* @brief Stop the watchdog counting
*
* @param None
* @return None
*
*/
void watchdog_stop(void)
{
WDGStop();
}
/**
* @brief Refresh the watchdog counting to prevent WDT timeout
*
* @param None
* @return None
*
*/
void watchdog_refresh(void)
{
WDGRefresh();
}
/**
* @brief Switch the watchdog timer to interrupt mode and
* register a watchdog timer timeout interrupt handler.
* The interrupt handler will be called when the watch-dog
* timer is timeout.
*
* @param handler: the callback function for WDT timeout interrupt.
* id: the parameter for the callback function
* @return None
*
*/
void watchdog_irq_init(wdt_irq_handler handler, uint32_t id)
{
WDGIrqCallBackReg((VOID*)handler, (u32)id);
WDGIrqInitial();
}