157 lines
3.6 KiB
C
157 lines
3.6 KiB
C
/**
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**************************************************************************
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* @file at32f435_437_wdt.c
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* @version v2.0.9
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* @date 2022-06-28
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* @brief contains all the functions for the wdt firmware library
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**************************************************************************
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* Copyright notice & Disclaimer
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*
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* The software Board Support Package (BSP) that is made available to
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* download from Artery official website is the copyrighted work of Artery.
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* Artery authorizes customers to use, copy, and distribute the BSP
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* software and its related documentation for the purpose of design and
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* development in conjunction with Artery microcontrollers. Use of the
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* software is governed by this copyright notice and the following disclaimer.
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*
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* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
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* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
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* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
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* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
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* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
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*
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**************************************************************************
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*/
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#include "at32f435_437_conf.h"
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/** @addtogroup AT32F435_437_periph_driver
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* @{
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*/
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/** @defgroup WDT
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* @brief WDT driver modules
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* @{
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*/
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#ifdef WDT_MODULE_ENABLED
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/** @defgroup WDT_private_functions
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* @{
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*/
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/**
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* @brief wdt enable ,the reload value will be sent to the counter
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* @param none
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* @retval none
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*/
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void wdt_enable(void)
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{
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WDT->cmd = WDT_CMD_ENABLE;
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}
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/**
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* @brief reload wdt counter
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* @param none
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* @retval none
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*/
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void wdt_counter_reload(void)
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{
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WDT->cmd = WDT_CMD_RELOAD;
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}
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/**
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* @brief set wdt counter reload value
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* @param reload_value (0x0000~0x0FFF)
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* @retval none
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*/
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void wdt_reload_value_set(uint16_t reload_value)
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{
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WDT->rld = reload_value;
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}
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/**
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* @brief set wdt division divider
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* @param division
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* this parameter can be one of the following values:
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* - WDT_CLK_DIV_4
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* - WDT_CLK_DIV_8
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* - WDT_CLK_DIV_16
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* - WDT_CLK_DIV_32
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* - WDT_CLK_DIV_64
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* - WDT_CLK_DIV_128
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* - WDT_CLK_DIV_256
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* @retval none
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*/
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void wdt_divider_set(wdt_division_type division)
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{
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WDT->div_bit.div = division;
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}
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/**
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* @brief enable or disable wdt cmd register write
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* @param new_state (TRUE or FALSE)
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* @retval none
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*/
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void wdt_register_write_enable( confirm_state new_state)
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{
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if(new_state == FALSE)
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{
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WDT->cmd = WDT_CMD_LOCK;
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}
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else
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{
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WDT->cmd = WDT_CMD_UNLOCK;
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}
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}
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/**
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* @brief get wdt flag
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* @param wdt_flag
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* this parameter can be one of the following values:
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* - WDT_DIVF_UPDATE_FLAG: division value update complete flag.
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* - WDT_RLDF_UPDATE_FLAG: reload value update complete flag.
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* - WDT_WINF_UPDATE_FLAG: window value update complete flag.
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* @retval state of wdt flag
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*/
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flag_status wdt_flag_get(uint16_t wdt_flag)
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{
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flag_status status = RESET;
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if ((WDT->sts & wdt_flag) != (uint16_t)RESET)
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{
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status = SET;
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}
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else
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{
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status = RESET;
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}
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return status;
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}
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/**
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* @brief wdt window counter value set
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* @param window_cnt (0x0000~0x0FFF)
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* @retval none
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*/
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void wdt_window_counter_set(uint16_t window_cnt)
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{
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WDT->win_bit.win = window_cnt;
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}
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/**
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* @}
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*/
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#endif
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/**
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* @}
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*/
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/**
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* @}
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*/
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