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/**
**************************************************************************
* @file at32f413_wdt.c
* @version v2.0.5
* @date 2022-05-20
* @brief contains all the functions for the wdt 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 WDT
* @brief WDT driver modules
* @{
*/
#ifdef WDT_MODULE_ENABLED
/** @defgroup WDT_private_functions
* @{
*/
/**
* @brief wdt enable ,the reload value will be sent to the counter
* @param none
* @retval none
*/
void wdt_enable(void)
{
WDT->cmd = WDT_CMD_ENABLE;
}
/**
* @brief reload wdt counter
* @param none
* @retval none
*/
void wdt_counter_reload(void)
{
WDT->cmd = WDT_CMD_RELOAD;
}
/**
* @brief set wdt counter reload value
* @param reload_value (0x0000~0x0FFF)
* @retval none
*/
void wdt_reload_value_set(uint16_t reload_value)
{
WDT->rld = reload_value;
}
/**
* @brief set wdt division divider
* @param division
* this parameter can be one of the following values:
* - WDT_CLK_DIV_4
* - WDT_CLK_DIV_8
* - WDT_CLK_DIV_16
* - WDT_CLK_DIV_32
* - WDT_CLK_DIV_64
* - WDT_CLK_DIV_128
* - WDT_CLK_DIV_256
* @retval none
*/
void wdt_divider_set(wdt_division_type division)
{
WDT->div_bit.div = division;
}
/**
* @brief enable or disable wdt cmd register write
* @param new_state (TRUE or FALSE)
* @retval none
*/
void wdt_register_write_enable( confirm_state new_state)
{
if(new_state == FALSE)
{
WDT->cmd = WDT_CMD_LOCK;
}
else
{
WDT->cmd = WDT_CMD_UNLOCK;
}
}
/**
* @brief get wdt flag
* @param wdt_flag
* this parameter can be one of the following values:
* - WDT_DIVF_UPDATE_FLAG: division value update complete flag.
* - WDT_RLDF_UPDATE_FLAG: reload value update complete flag.
* @retval state of wdt flag
*/
flag_status wdt_flag_get(uint16_t wdt_flag)
{
flag_status status = RESET;
if ((WDT->sts & wdt_flag) != (uint16_t)RESET)
{
status = SET;
}
else
{
status = RESET;
}
return status;
}
/**
* @}
*/
#endif
/**
* @}
*/
/**
* @}
*/
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