/**
 * @file xmc_wdt.c
 * @date 2015-06-20
 *
 * @cond
 *****************************************************************************
 * XMClib v2.2.0 - XMC Peripheral Driver Library
 *
 * Copyright (c) 2015-2020, Infineon Technologies AG
 * All rights reserved.
 *
 * Boost Software License - Version 1.0 - August 17th, 2003
 *
 * Permission is hereby granted, free of charge, to any person or organization
 * obtaining a copy of the software and accompanying documentation covered by
 * this license (the "Software") to use, reproduce, display, distribute,
 * execute, and transmit the Software, and to prepare derivative works of the
 * Software, and to permit third-parties to whom the Software is furnished to
 * do so, all subject to the following:
 *
 * The copyright notices in the Software and this entire statement, including
 * the above license grant, this restriction and the following disclaimer,
 * must be included in all copies of the Software, in whole or in part, and
 * all derivative works of the Software, unless such copies or derivative
 * works are solely in the form of machine-executable object code generated by
 * a source language processor.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
 * SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
 * FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
 * To improve the quality of the software, users are encouraged to share
 * modifications, enhancements or bug fixes with Infineon Technologies AG
 * at XMCSupport@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;
}