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/**
**************************************************************************
* @file at32f413_wwdt.c
* @version v2.0.5
* @date 2022-05-20
* @brief contains all the functions for the wwdt firmware library
**************************************************************************
* Copyright notice & Disclaimer
*
* The software Board Support Package (BSP) that is made available to
* download from Artery official website is the copyrighted work of Artery.
* Artery authorizes customers to use, copy, and distribute the BSP
* software and its related documentation for the purpose of design and
* development in conjunction with Artery microcontrollers. Use of the
* software is governed by this copyright notice and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
*
**************************************************************************
*/
#include "at32f413_conf.h"
/** @addtogroup AT32F413_periph_driver
* @{
*/
/** @defgroup WWDT
* @brief WWDT driver modules
* @{
*/
#ifdef WWDT_MODULE_ENABLED
/** @defgroup WWDT_private_functions
* @{
*/
/**
* @brief wwdt reset by crm reset register
* @retval none
*/
void wwdt_reset(void)
{
crm_periph_reset(CRM_WWDT_PERIPH_RESET, TRUE);
crm_periph_reset(CRM_WWDT_PERIPH_RESET, FALSE);
}
/**
* @brief wwdt division set
* @param division
* this parameter can be one of the following values:
* - WWDT_PCLK1_DIV_4096 (wwdt counter clock = (pclk1/4096)/1)
* - WWDT_PCLK1_DIV_8192 (wwdt counter clock = (pclk1/4096)/2)
* - WWDT_PCLK1_DIV_16384 (wwdt counter clock = (pclk1/4096)/4)
* - WWDT_PCLK1_DIV_32768 (wwdt counter clock = (pclk1/4096)/8)
* @retval none
*/
void wwdt_divider_set(wwdt_division_type division)
{
WWDT->cfg_bit.div = division;
}
/**
* @brief wwdt reload counter interrupt flag clear
* @param none
* @retval none
*/
void wwdt_flag_clear(void)
{
WWDT->sts = 0;
}
/**
* @brief wwdt enable and the counter value load
* @param wwdt_cnt (0x40~0x7f)
* @retval none
*/
void wwdt_enable(uint8_t wwdt_cnt)
{
WWDT->ctrl = wwdt_cnt | WWDT_EN_BIT;
}
/**
* @brief wwdt reload counter interrupt enable
* @param none
* @retval none
*/
void wwdt_interrupt_enable(void)
{
WWDT->cfg_bit.rldien = TRUE;
}
/**
* @brief wwdt reload counter interrupt flag get
* @param none
* @retval state of reload counter interrupt flag
*/
flag_status wwdt_flag_get(void)
{
return (flag_status)WWDT->sts_bit.rldf;
}
/**
* @brief wwdt counter value set
* @param wwdt_cnt (0x40~0x7f)
* @retval none
*/
void wwdt_counter_set(uint8_t wwdt_cnt)
{
WWDT->ctrl_bit.cnt = wwdt_cnt;
}
/**
* @brief wwdt window counter value set
* @param window_cnt (0x40~0x7f)
* @retval none
*/
void wwdt_window_counter_set(uint8_t window_cnt)
{
WWDT->cfg_bit.win = window_cnt;
}
/**
* @}
*/
#endif
/**
* @}
*/
/**
* @}
*/
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