/*!
 * @file        apm32f0xx_wwdt.c
 *
 * @brief       This file contains all the functions for the WWDG peripheral
 *
 * @version     V1.0.1
 *
 * @date        2021-07-01
 *
 */

#include "apm32f0xx_wwdt.h"
#include "apm32f0xx_rcm.h"

/** @addtogroup Peripherals_Library Standard Peripheral Library
  @{
*/

/** @addtogroup WWDT_Driver  WWDT Driver
  @{
*/

/** @addtogroup  WWDT_Fuctions Fuctions
  @{
*/

/*!
 * @brief       Set the WWDT peripheral registers to their default reset values
 *
 * @param       None

 * @retval       None
 */
void WWDT_Reset(void)
{
    RCM_EnableAPB1PeriphReset(RCM_APB1_PERIPH_WWDT);
    RCM_DisableAPB1PeriphReset(RCM_APB1_PERIPH_WWDT);
}

/*!
 * @brief       Set the WWDT Timebase
 *
 * @param       timebase:   WWDT Prescaler
 *                          The parameter can be one of following values:
 *                          @arg WWDT_DIV_1:  WWDT counter clock = (PCLK1/4096)/1
 *                          @arg WWDT_DIV_2:  WWDT counter clock = (PCLK1/4096)/2
 *                          @arg WWDT_DIV_4:  WWDT counter clock = (PCLK1/4096)/4
 *                          @arg WWDT_DIV_8:  WWDT counter clock = (PCLK1/4096)/8
 *
 * @retval      None
 */
void WWDT_SetTimebase(uint32_t div)
{
    WWDT->CFG_B.TBPSC = 0;
    WWDT->CFG_B.TBPSC = div;
}

/*!
 * @brief       Set the Window data
 *
 * @param       data:   Specifies the window data to be set
 *
 * @retval      None
 */
void WWDT_ConfigWindowValue(uint16_t windowValue)
{
    uint32_t reg;

    reg = (windowValue | BIT6) & 0x7f;

    WWDT->CFG_B.WIN = reg;
}

/*!
 * @brief       Enable the WWDT Early Wakeup interrupt
 *
 * @param       None
 *
 * @retval      None
 */
void WWDT_EnableEWI(void)
{
    WWDT->CFG_B.EWIEN = SET;
}

/*!
 * @brief       Set counter
 *
 * @param       couter: Specifies the counter to be set
 *
 * @retval      None
 */
void WWDT_ConfigCounter(uint8_t couter)
{
    WWDT->CTRL = (uint32_t)(couter & 0x7f);
}

/*!
 * @brief       Enable WWDT and set the counter value
 *
 * @param       count: the window watchdog counter value
 *
 * @retval      None
 */
void WWDT_Enable(uint8_t count)
{
    WWDT->CTRL_B.CNT = count;
    WWDT->CTRL_B.WWDTEN = SET;
}

/*!
 * @brief       Read the Early Wakeup interrupt flag
 *
 * @param       None
 *
 * @retval      the state of the Early Wakeup interrupt flag
 */
uint8_t WWDT_ReadStatusFlag(void)
{
    return (uint8_t) (WWDT->STS);
}

/*!
 * @brief       Clear the Early Wakeup interrupt flag
 *
 * @param       None
 *
 * @retval      None
 */
void WWDT_ClearStatusFlag(void)
{
    WWDT->STS_B.EWIFLG = RESET;
}

/**@} end of group WWDT_Fuctions*/
/**@} end of group WWDT_Driver */
/**@} end of group Peripherals_Library*/