209 lines
7.8 KiB
C
209 lines
7.8 KiB
C
/******************************************************************************
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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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#include "interrupts_hc32l136.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输入电压源
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**
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** \note
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******************************************************************************/
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typedef enum en_lvd_input
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{
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LvdInputVCC = 0u, ///< Vcc
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LvdInputPC13 = 1u, ///< PC13
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LvdInputPB08 = 2u, ///< PB08
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LvdInputPB07 = 3u, ///< PB07
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}en_lvd_input_t;
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/**
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******************************************************************************
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** \brief LVD监测电压选择
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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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LvdTH1p8V = 0u, ///< 1.8V
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LvdTH1p9V = 1u, ///< 1.9V
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LvdTH2p0V = 2u, ///< 2.0V
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LvdTH2p1V = 3u, ///< 2.1V
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LvdTH2p2V = 4u, ///< 2.2V
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LvdTH2p3V = 5u, ///< 2.3V
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LvdTH2p4V = 6u, ///< 2.4V
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LvdTH2p5V = 7u, ///< 2.5V
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LvdTH2p6V = 8u, ///< 2.6V 默认电压
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LvdTH2p7V = 9u, ///< 2.7V
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LvdTH2p8V = 10u, ///< 2.8V
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LvdTH2p9V = 11u, ///< 2.9V
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LvdTH3p0V = 12u, ///< 3.0V
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LvdTH3p1V = 13u, ///< 3.1V
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LvdTH3p2V = 14u, ///< 3.2V
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LvdTH3p3V = 15u, ///< 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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LvdFilter30us = 0u, ///< 30us
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LvdFilter40us = 1u, ///< 40us
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LvdFilter50us = 2u, ///< 50us
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LvdFilter130us = 3u, ///< 130us
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LvdFilter480us = 4u, ///< 480us
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LvdFilter1800us = 5u, ///< 1.8ms
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LvdFilter7d3ms = 6u, ///< 7.3ms
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LvdFilter29ms = 7u, ///< 29ms
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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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LvdIrqHigh = 0u, ///< 高电平触发
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LvdIrqRise = 1u, ///< 上升沿触发
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LvdIrqFall = 2u, ///< 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配置
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** \note
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******************************************************************************/
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typedef struct stc_lvd_config
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{
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boolean_t bLvdReset; ///< TRUE-重启,FALSE-中断
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en_lvd_input_t enInput; ///< LVD输入电压源
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en_lvd_threshold_t enThreshold; ///< LVD监测电压
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boolean_t bFilter; ///< 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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func_ptr_t pfnIrqCbk; ///< 中断回调函数
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}stc_lvd_config_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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en_result_t Lvd_EnableIrq(en_lvd_irq_type_t enType);
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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_config_t *pstcConfig);
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void Lvd_DeInit(void);
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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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