232 lines
8.7 KiB
C
Executable File
232 lines
8.7 KiB
C
Executable File
/******************************************************************************
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* Copyright (C) 2017, Huada Semiconductor Co.,Ltd All rights reserved.
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*
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* This software is owned and published by:
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* Huada Semiconductor Co.,Ltd ("HDSC").
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*
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* BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND
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* BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT.
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*
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* This software contains source code for use with HDSC
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* components. This software is licensed by HDSC to be adapted only
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* for use in systems utilizing HDSC components. HDSC shall not be
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* responsible for misuse or illegal use of this software for devices not
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* supported herein. HDSC is providing this software "AS IS" and will
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* not be responsible for issues arising from incorrect user implementation
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* of the software.
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*
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* Disclaimer:
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* HDSC MAKES NO WARRANTY, EXPRESS OR IMPLIED, ARISING BY LAW OR OTHERWISE,
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* REGARDING THE SOFTWARE (INCLUDING ANY ACOOMPANYING WRITTEN MATERIALS),
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* ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING,
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* WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, THE IMPLIED
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* WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE, AND THE IMPLIED
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* WARRANTY OF NONINFRINGEMENT.
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* HDSC SHALL HAVE NO LIABILITY (WHETHER IN CONTRACT, WARRANTY, TORT,
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* NEGLIGENCE OR OTHERWISE) FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT
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* LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION,
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* LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) ARISING FROM USE OR
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* INABILITY TO USE THE SOFTWARE, INCLUDING, WITHOUT LIMITATION, ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS OF DATA,
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* SAVINGS OR PROFITS,
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* EVEN IF Disclaimer HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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* YOU ASSUME ALL RESPONSIBILITIES FOR SELECTION OF THE SOFTWARE TO ACHIEVE YOUR
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* INTENDED RESULTS, AND FOR THE INSTALLATION OF, USE OF, AND RESULTS OBTAINED
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* FROM, THE SOFTWARE.
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*
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* This software may be replicated in part or whole for the licensed use,
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* with the restriction that this Disclaimer and Copyright notice must be
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* included with each copy of this software, whether used in part or whole,
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* at all times.
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*/
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/******************************************************************************/
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/** \file lvd.h
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**
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** Headerfile for Low Voltage Detector functions
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**
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** - 2017-06-28 Alex First Version
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**
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******************************************************************************/
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#ifndef __LVD_H__
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#define __LVD_H__
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/******************************************************************************
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* Include files
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******************************************************************************/
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#include "ddl.h"
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/* C binding of definitions if building with C++ compiler */
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/**
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******************************************************************************
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** \defgroup LvdGroup Low Voltage Detector (LVD)
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**
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******************************************************************************/
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//@{
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/******************************************************************************
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* Global type definitions
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******************************************************************************/
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/**
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******************************************************************************
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** \brief LVD监测电压源选择
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**
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** \note
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******************************************************************************/
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typedef enum en_lvd_input_src
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{
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LvdInputSrcMskVCC = 0u<<2, ///< Vcc
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LvdInputSrcMskPC13 = 1u<<2, ///< PC13
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LvdInputSrcMskPB08 = 2u<<2, ///< PB08
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LvdInputSrcMskPB07 = 3u<<2, ///< PB07
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}en_lvd_input_src_t;
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/**
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******************************************************************************
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** \brief LVD阈值电压选择
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**
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** \note
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******************************************************************************/
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typedef enum en_lvd_threshold
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{
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LvdMskTH1_8V = 0u<<4, ///< 1.8V
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LvdMskTH1_9V = 1u<<4, ///< 1.9V
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LvdMskTH2_0V = 2u<<4, ///< 2.0V
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LvdMskTH2_1V = 3u<<4, ///< 2.1V
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LvdMskTH2_2V = 4u<<4, ///< 2.2V
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LvdMskTH2_3V = 5u<<4, ///< 2.3V
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LvdMskTH2_4V = 6u<<4, ///< 2.4V
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LvdMskTH2_5V = 7u<<4, ///< 2.5V
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LvdMskTH2_6V = 8u<<4, ///< 2.6V
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LvdMskTH2_7V = 9u<<4, ///< 2.7V
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LvdMskTH2_8V = 10u<<4, ///< 2.8V
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LvdMskTH2_9V = 11u<<4, ///< 2.9V
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LvdMskTH3_0V = 12u<<4, ///< 3.0V
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LvdMskTH3_1V = 13u<<4, ///< 3.1V
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LvdMskTH3_2V = 14u<<4, ///< 3.2V
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LvdMskTH3_3V = 15u<<4, ///< 3.3V
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}en_lvd_threshold_t;
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/**
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******************************************************************************
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** \brief LVD输出滤波时间
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**
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** \note
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******************************************************************************/
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typedef enum en_lvd_filter_time
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{
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LvdFilterMsk7us = 0u<<9, ///< 7us
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LvdFilterMsk14us = 1u<<9, ///< 14us
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LvdFilterMsk28us = 2u<<9, ///< 28us
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LvdFilterMsk112us = 3u<<9, ///< 112us
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LvdFilterMsk450us = 4u<<9, ///< 450us
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LvdFilterMsk1_8ms = 5u<<9, ///< 1.8ms
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LvdFilterMsk7_2ms = 6u<<9, ///< 7.3ms
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LvdFilterMsk28_8ms = 7u<<9, ///< 28.8ms
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}en_lvd_filter_time_t;
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/**
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******************************************************************************
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** \brief LVD中断触发方式
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**
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** \note
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******************************************************************************/
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typedef enum en_lvd_irq_type
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{
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LvdIrqMskRiseFall = 3u<<12, ///< 上升/下降沿触发
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LvdIrqMskHigh = 1u<<14, ///< 高电平触发
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LvdIrqMskRise = 1u<<13, ///< 上升沿触发
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LvdIrqMskFall = 1u<<12, ///< 下降沿触发
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}en_lvd_irq_type_t;
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/**
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******************************************************************************
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** \brief LVD触发动作选择
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**
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** \note
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******************************************************************************/
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typedef enum en_lvd_act
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{
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LvdActMskReset = 1u<<1, ///< 系统复位
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LvdActMskInt = 0u, ///< NVIC中断
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}en_lvd_act_t;
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/**
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******************************************************************************
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** \brief LVD数字滤波使能配置
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**
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** \note
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******************************************************************************/
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typedef enum en_lvd_filter
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{
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LvdFilterMskEnable = 1u<<8, ///< 数字滤波使能
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LvdFilterMskDisable = 0u, ///< 数字滤波禁止
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}en_lvd_filter_t;
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/**
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******************************************************************************
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** \brief LVD配置
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** \note
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******************************************************************************/
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typedef struct stc_lvd_cfg
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{
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en_lvd_act_t enAct; ///< LVD触发动作
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en_lvd_input_src_t enInputSrc; ///< LVD输入电压源
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en_lvd_threshold_t enThreshold; ///< LVD监测电压
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en_lvd_filter_t enFilter; ///< 是否使用输出滤波
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en_lvd_filter_time_t enFilterTime; ///< 输出滤波时间
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en_lvd_irq_type_t enIrqType; ///< 中断触发方式
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}stc_lvd_cfg_t;
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/******************************************************************************
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* Global definitions
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******************************************************************************/
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/******************************************************************************
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* Local type definitions ('typedef')
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******************************************************************************/
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/******************************************************************************
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* Global variable definitions ('extern')
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******************************************************************************/
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/******************************************************************************
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* Global function prototypes (definition in C source)
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******************************************************************************/
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//irq enable/disable
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void Lvd_EnableIrq(void);
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void Lvd_DisableIrq(void);
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// irq function
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void Lvd_ClearIrq(void);
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boolean_t Lvd_GetIrqStat(void);
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// fliter function
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boolean_t Lvd_GetFilterResult(void);
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//init/deinit function
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void Lvd_Init(stc_lvd_cfg_t *pstcCfg);
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//LVD function enable/disable
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void Lvd_Enable(void);
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void Lvd_Disable(void);
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//@} // LvdGroup
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#ifdef __cplusplus
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}
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#endif
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#endif /* __LVD_H__ */
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/******************************************************************************
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* EOF (not truncated)
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******************************************************************************/
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