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/**
*********************************************************************************
*
* @file ald_wdt.c
* @brief WDT module driver.
*
* @version V1.0
* @date 18 Dec 2019
* @author AE Team
* @note
* Change Logs:
* Date Author Notes
* 18 Dec 2019 AE Team The first version
*
* Copyright (C) Shanghai Eastsoft Microelectronics Co. Ltd. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**********************************************************************************
*/
#include "ald_conf.h"
/** @addtogroup ES32FXXX_ALD
* @{
*/
/** @defgroup WDT WDT
* @brief WDT module driver
* @{
*/
#ifdef ALD_WDT
/** @defgroup WWDT_Public_Functions WWDT Public Functions
* @brief Init and configure WWDT function
* @{
*/
/**
* @brief Initializes the WWDT according to the specified parameters.
* @param load: Specifies the free-running downcounter value.
* @param win: specifics the no dog windows,
* the parameter can be one of the following values:
* @arg @ref WWDT_WIN_25 No dog window size: 25%
* @arg @ref WWDT_WIN_50 No dog window size: 50%
* @arg @ref WWDT_WIN_75 No dog window size: 75%
* @arg @ref WWDT_WIN_00 No dog window size: 0%
* @param interrupt: Enable or disable interrupt.
* @retval None
*/
void ald_wwdt_init(uint32_t load, wwdt_win_t win, type_func_t interrupt)
{
assert_param(IS_WWDT_WIN_TYPE(win));
assert_param(IS_FUNC_STATE(interrupt));
WWDT_UNLOCK();
WRITE_REG(WWDT->LOAD, load);
MODIFY_REG(WWDT->CON, WWDT_CON_WWDTWIN_MSK, win << WWDT_CON_WWDTWIN_POSS);
SET_BIT(WWDT->CON, WWDT_CON_CLKS_MSK);
SET_BIT(WWDT->CON, WWDT_CON_RSTEN_MSK);
MODIFY_REG(WWDT->CON, WWDT_CON_IE_MSK, interrupt << WWDT_CON_IE_POS);
WWDT_LOCK();
return;
}
/**
* @brief Start the WWDT
* @retval None
*/
void ald_wwdt_start(void)
{
WWDT_UNLOCK();
SET_BIT(WWDT->CON, WWDT_CON_EN_MSK);
WWDT_LOCK();
return;
}
/**
* @brief Get the free-running downcounter value
* @retval Value
*/
uint32_t ald_wwdt_get_value(void)
{
return WWDT->VALUE;
}
/**
* @brief Get interrupt state
* @retval Value
*/
it_status_t ald_wwdt_get_flag_status(void)
{
if (READ_BIT(WWDT->RIS, WWDT_RIS_WWDTIF_MSK))
return SET;
return RESET;
}
/**
* @brief Clear interrupt state
* @retval None
*/
void ald_wwdt_clear_flag_status(void)
{
WRITE_REG(WWDT->INTCLR, 1);
return;
}
/**
* @brief Refreshes the WWDT
* @retval None
*/
void ald_wwdt_feed_dog(void)
{
uint16_t i = 0;
WWDT_UNLOCK();
WRITE_REG(WWDT->INTCLR, 0x1);
WWDT_LOCK();
for (i = 0; i < 0x2ff; ++i)
__NOP();
return;
}
/**
* @}
*/
/** @defgroup IWDT_Public_Functions IWDT Public Functions
* @brief Init and configure IWDT function
* @{
*/
/**
* @brief Initializes the IWDG according to the specified parameters.
* @param load: Specifies the free-running downcounter value.
* @param interrupt: Enable or disable interrupt.
* @retval None
*/
void ald_iwdt_init(uint32_t load, type_func_t interrupt)
{
assert_param(IS_FUNC_STATE(interrupt));
IWDT_UNLOCK();
WRITE_REG(IWDT->LOAD, load);
SET_BIT(IWDT->CON, IWDT_CON_CLKS_MSK);
SET_BIT(IWDT->CON, IWDT_CON_RSTEN_MSK);
MODIFY_REG(IWDT->CON, IWDT_CON_IE_MSK, interrupt << IWDT_CON_IE_POS);
IWDT_LOCK();
return;
}
/**
* @brief Start the IWDT
* @retval None
*/
void ald_iwdt_start(void)
{
IWDT_UNLOCK();
SET_BIT(IWDT->CON, IWDT_CON_EN_MSK);
IWDT_LOCK();
return;
}
/**
* @brief Get the free-running downcounter value
* @retval Value
*/
uint32_t ald_iwdt_get_value(void)
{
return IWDT->VALUE;
}
/**
* @brief Get interrupt state
* @retval Value
*/
it_status_t ald_iwdt_get_flag_status(void)
{
if (READ_BIT(IWDT->RIS, IWDT_RIS_WDTIF_MSK))
return SET;
return RESET;
}
/**
* @brief Clear interrupt state
* @retval None
*/
void ald_iwdt_clear_flag_status(void)
{
IWDT_UNLOCK();
WRITE_REG(IWDT->INTCLR, 1);
IWDT_LOCK();
return;
}
/**
* @brief Refreshes the WWDT
* @retval None
*/
void ald_iwdt_feed_dog(void)
{
uint16_t i = 0;
IWDT_UNLOCK();
WRITE_REG(IWDT->INTCLR, 1);
IWDT_LOCK();
for (i = 0; i < 0x2ff; ++i)
__NOP();
return;
}
/**
* @}
*/
#endif /* ALD_WDT */
/**
* @}
*/
/**
* @}
*/
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