142 lines
3.5 KiB
C
142 lines
3.5 KiB
C
/**
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**************************************************************************
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* @file at32f435_437_wwdt.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 wwdt 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 WWDT
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* @brief WWDT driver modules
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* @{
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*/
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#ifdef WWDT_MODULE_ENABLED
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/** @defgroup WWDT_private_functions
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* @{
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*/
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/**
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* @brief wwdt reset by crm reset register
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* @retval none
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*/
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void wwdt_reset(void)
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{
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crm_periph_reset(CRM_WWDT_PERIPH_RESET, TRUE);
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crm_periph_reset(CRM_WWDT_PERIPH_RESET, FALSE);
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}
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/**
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* @brief wwdt division set
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* @param division
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* this parameter can be one of the following values:
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* - WWDT_PCLK1_DIV_4096 (wwdt counter clock = (pclk1/4096)/1)
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* - WWDT_PCLK1_DIV_8192 (wwdt counter clock = (pclk1/4096)/2)
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* - WWDT_PCLK1_DIV_16384 (wwdt counter clock = (pclk1/4096)/4)
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* - WWDT_PCLK1_DIV_32768 (wwdt counter clock = (pclk1/4096)/8)
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* @retval none
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*/
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void wwdt_divider_set(wwdt_division_type division)
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{
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WWDT->cfg_bit.div = division;
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}
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/**
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* @brief wwdt reload counter interrupt flag clear
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* @param none
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* @retval none
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*/
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void wwdt_flag_clear(void)
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{
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WWDT->sts = 0;
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}
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/**
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* @brief wwdt enable and the counter value load
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* @param wwdt_cnt (0x40~0x7f)
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* @retval none
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*/
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void wwdt_enable(uint8_t wwdt_cnt)
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{
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WWDT->ctrl = wwdt_cnt | WWDT_EN_BIT;
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}
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/**
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* @brief wwdt reload counter interrupt enable
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* @param none
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* @retval none
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*/
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void wwdt_interrupt_enable(void)
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{
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WWDT->cfg_bit.rldien = TRUE;
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}
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/**
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* @brief wwdt reload counter interrupt flag get
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* @param none
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* @retval state of reload counter interrupt flag
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*/
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flag_status wwdt_flag_get(void)
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{
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return (flag_status)WWDT->sts_bit.rldf;
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}
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/**
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* @brief wwdt counter value set
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* @param wwdt_cnt (0x40~0x7f)
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* @retval none
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*/
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void wwdt_counter_set(uint8_t wwdt_cnt)
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{
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WWDT->ctrl_bit.cnt = wwdt_cnt;
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}
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/**
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* @brief wwdt window counter value set
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* @param window_cnt (0x40~0x7f)
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* @retval none
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*/
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void wwdt_window_counter_set(uint8_t window_cnt)
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{
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WWDT->cfg_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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