95 lines
4.4 KiB
C
95 lines
4.4 KiB
C
/**
|
|
* @file xmc_wdt.c
|
|
* @date 2015-06-20
|
|
*
|
|
* @cond
|
|
*********************************************************************************************************************
|
|
* XMClib v2.1.12 - XMC Peripheral Driver Library
|
|
*
|
|
* Copyright (c) 2015-2017, Infineon Technologies AG
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without modification,are permitted provided that the
|
|
* following conditions are met:
|
|
*
|
|
* Redistributions of source code must retain the above copyright notice, this list of conditions and the following
|
|
* disclaimer.
|
|
*
|
|
* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
|
|
* disclaimer in the documentation and/or other materials provided with the distribution.
|
|
*
|
|
* Neither the name of the copyright holders nor the names of its contributors may be used to endorse or promote
|
|
* products derived from this software without specific prior written permission.
|
|
*
|
|
* 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.
|
|
*
|
|
* To improve the quality of the software, users are encouraged to share modifications, enhancements or bug fixes with
|
|
* Infineon Technologies AG dave@infineon.com).
|
|
*********************************************************************************************************************
|
|
*
|
|
* Change History
|
|
* --------------
|
|
*
|
|
* 2015-02-20:
|
|
* - Initial <br>
|
|
*
|
|
* 2015-06-20:
|
|
* - Removed definition of GetDriverVersion API <br>
|
|
*
|
|
* @endcond
|
|
*/
|
|
|
|
/*********************************************************************************************************************
|
|
* HEADER FILES
|
|
********************************************************************************************************************/
|
|
#include "xmc_wdt.h"
|
|
#include "xmc_scu.h"
|
|
|
|
/*********************************************************************************************************************
|
|
* API IMPLEMENTATION
|
|
********************************************************************************************************************/
|
|
|
|
/* Enables watchdog clock and releases watchdog reset. */
|
|
void XMC_WDT_Enable(void)
|
|
{
|
|
#if UC_FAMILY == XMC4
|
|
XMC_SCU_CLOCK_EnableClock(XMC_SCU_CLOCK_WDT);
|
|
#endif
|
|
|
|
#if defined(CLOCK_GATING_SUPPORTED)
|
|
XMC_SCU_CLOCK_UngatePeripheralClock(XMC_SCU_PERIPHERAL_CLOCK_WDT);
|
|
#endif
|
|
#if defined(PERIPHERAL_RESET_SUPPORTED)
|
|
XMC_SCU_RESET_DeassertPeripheralReset(XMC_SCU_PERIPHERAL_RESET_WDT);
|
|
#endif
|
|
}
|
|
|
|
/* Disables watchdog clock and resets watchdog. */
|
|
void XMC_WDT_Disable(void)
|
|
{
|
|
#if defined(PERIPHERAL_RESET_SUPPORTED)
|
|
XMC_SCU_RESET_AssertPeripheralReset(XMC_SCU_PERIPHERAL_RESET_WDT);
|
|
#endif
|
|
#if defined(CLOCK_GATING_SUPPORTED)
|
|
XMC_SCU_CLOCK_GatePeripheralClock(XMC_SCU_PERIPHERAL_CLOCK_WDT);
|
|
#endif
|
|
|
|
#if UC_FAMILY == XMC4
|
|
XMC_SCU_CLOCK_DisableClock(XMC_SCU_CLOCK_WDT);
|
|
#endif
|
|
}
|
|
/* Initializes and configures watchdog with configuration data pointed by \a config. */
|
|
void XMC_WDT_Init(const XMC_WDT_CONFIG_t *const config)
|
|
{
|
|
XMC_WDT_Enable();
|
|
WDT->CTR = config->wdt_ctr;
|
|
WDT->WLB = config->window_lower_bound;
|
|
WDT->WUB = config->window_upper_bound;
|
|
}
|