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/******************************************************************************
* Copyright (C) 2017, Huada Semiconductor Co.,Ltd All rights reserved.
*
* This software is owned and published by:
* Huada Semiconductor Co.,Ltd ("HDSC").
*
* BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND
* BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT.
*
* This software contains source code for use with HDSC
* components. This software is licensed by HDSC to be adapted only
* for use in systems utilizing HDSC components. HDSC shall not be
* responsible for misuse or illegal use of this software for devices not
* supported herein. HDSC is providing this software "AS IS" and will
* not be responsible for issues arising from incorrect user implementation
* of the software.
*
* Disclaimer:
* HDSC MAKES NO WARRANTY, EXPRESS OR IMPLIED, ARISING BY LAW OR OTHERWISE,
* REGARDING THE SOFTWARE (INCLUDING ANY ACOOMPANYING WRITTEN MATERIALS),
* ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING,
* WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, THE IMPLIED
* WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE, AND THE IMPLIED
* WARRANTY OF NONINFRINGEMENT.
* HDSC SHALL HAVE NO LIABILITY (WHETHER IN CONTRACT, WARRANTY, TORT,
* NEGLIGENCE OR OTHERWISE) FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT
* LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION,
* LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) ARISING FROM USE OR
* INABILITY TO USE THE SOFTWARE, INCLUDING, WITHOUT LIMITATION, ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS OF DATA,
* SAVINGS OR PROFITS,
* EVEN IF Disclaimer HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
* YOU ASSUME ALL RESPONSIBILITIES FOR SELECTION OF THE SOFTWARE TO ACHIEVE YOUR
* INTENDED RESULTS, AND FOR THE INSTALLATION OF, USE OF, AND RESULTS OBTAINED
* FROM, THE SOFTWARE.
*
* This software may be replicated in part or whole for the licensed use,
* with the restriction that this Disclaimer and Copyright notice must be
* included with each copy of this software, whether used in part or whole,
* at all times.
*/
/******************************************************************************/
/** \file lvd.h
**
** Headerfile for Low Voltage Detector functions
**
** - 2017-06-28 Alex First Version
**
******************************************************************************/
#ifndef __LVD_H__
#define __LVD_H__
/******************************************************************************
* Include files
******************************************************************************/
#include "ddl.h"
#include "interrupts_hc32l136.h"
/* C binding of definitions if building with C++ compiler */
#ifdef __cplusplus
extern "C"
{
#endif
/**
******************************************************************************
** \defgroup LvdGroup Low Voltage Detector (LVD)
**
******************************************************************************/
//@{
/******************************************************************************
* Global type definitions
******************************************************************************/
/**
******************************************************************************
** \brief LVD输入电压源
**
** \note
******************************************************************************/
typedef enum en_lvd_input
{
LvdInputVCC = 0u, ///< Vcc
LvdInputPC13 = 1u, ///< PC13
LvdInputPB08 = 2u, ///< PB08
LvdInputPB07 = 3u, ///< PB07
}en_lvd_input_t;
/**
******************************************************************************
** \brief LVD监测电压选择
**
** \note
******************************************************************************/
typedef enum en_lvd_threshold
{
LvdTH1p8V = 0u, ///< 1.8V
LvdTH1p9V = 1u, ///< 1.9V
LvdTH2p0V = 2u, ///< 2.0V
LvdTH2p1V = 3u, ///< 2.1V
LvdTH2p2V = 4u, ///< 2.2V
LvdTH2p3V = 5u, ///< 2.3V
LvdTH2p4V = 6u, ///< 2.4V
LvdTH2p5V = 7u, ///< 2.5V
LvdTH2p6V = 8u, ///< 2.6V 默认电压
LvdTH2p7V = 9u, ///< 2.7V
LvdTH2p8V = 10u, ///< 2.8V
LvdTH2p9V = 11u, ///< 2.9V
LvdTH3p0V = 12u, ///< 3.0V
LvdTH3p1V = 13u, ///< 3.1V
LvdTH3p2V = 14u, ///< 3.2V
LvdTH3p3V = 15u, ///< 3.3V
}en_lvd_threshold_t;
/**
******************************************************************************
** \brief LVD输出滤波时间
**
** \note
******************************************************************************/
typedef enum en_lvd_filter_time
{
LvdFilter30us = 0u, ///< 30us
LvdFilter40us = 1u, ///< 40us
LvdFilter50us = 2u, ///< 50us
LvdFilter130us = 3u, ///< 130us
LvdFilter480us = 4u, ///< 480us
LvdFilter1800us = 5u, ///< 1.8ms
LvdFilter7d3ms = 6u, ///< 7.3ms
LvdFilter29ms = 7u, ///< 29ms
}en_lvd_filter_time_t;
/**
******************************************************************************
** \brief LVD中断触发方式
**
** \note
******************************************************************************/
typedef enum en_lvd_irq_type
{
LvdIrqHigh = 0u, ///< 高电平触发
LvdIrqRise = 1u, ///< 上升沿触发
LvdIrqFall = 2u, ///< 下降沿触发
}en_lvd_irq_type_t;
/**
******************************************************************************
** \brief LVD配置
** \note
******************************************************************************/
typedef struct stc_lvd_config
{
boolean_t bLvdReset; ///< TRUE-重启,FALSE-中断
en_lvd_input_t enInput; ///< LVD输入电压源
en_lvd_threshold_t enThreshold; ///< LVD监测电压
boolean_t bFilter; ///< 是否使用输出滤波
en_lvd_filter_time_t enFilterTime; ///< 输出滤波时间
en_lvd_irq_type_t enIrqType; ///< 中断触发方式
func_ptr_t pfnIrqCbk; ///< 中断回调函数
}stc_lvd_config_t;
/******************************************************************************
* Global definitions
******************************************************************************/
/******************************************************************************
* Local type definitions ('typedef')
******************************************************************************/
/******************************************************************************
* Global variable definitions ('extern')
******************************************************************************/
/******************************************************************************
* Global function prototypes (definition in C source)
******************************************************************************/
//irq enable/disable
en_result_t Lvd_EnableIrq(en_lvd_irq_type_t enType);
void Lvd_DisableIrq(void);
// irq function
void Lvd_ClearIrq(void);
boolean_t Lvd_GetIrqStat(void);
// fliter function
boolean_t Lvd_GetFilterResult(void);
//init/deinit function
void Lvd_Init(stc_lvd_config_t *pstcConfig);
void Lvd_DeInit(void);
//LVD function enable/disable
void Lvd_Enable(void);
void Lvd_Disable(void);
//@} // LvdGroup
#ifdef __cplusplus
}
#endif
#endif /* __LVD_H__ */
/******************************************************************************
* EOF (not truncated)
******************************************************************************/
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