232 lines
8.7 KiB
C
232 lines
8.7 KiB
C
|
/******************************************************************************
|
||
|
|
* 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"
|
||
|
|
|
||
|
|
|
||
|
|
/* 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监测电压源选择
|
||
|
|
**
|
||
|
|
** \note
|
||
|
|
******************************************************************************/
|
||
|
|
typedef enum en_lvd_input_src
|
||
|
|
{
|
||
|
|
LvdInputSrcMskVCC = 0u<<2, ///< Vcc
|
||
|
|
LvdInputSrcMskPC13 = 1u<<2, ///< PC13
|
||
|
|
LvdInputSrcMskPB08 = 2u<<2, ///< PB08
|
||
|
|
LvdInputSrcMskPB07 = 3u<<2, ///< PB07
|
||
|
|
}en_lvd_input_src_t;
|
||
|
|
|
||
|
|
/**
|
||
|
|
******************************************************************************
|
||
|
|
** \brief LVD阈值电压选择
|
||
|
|
**
|
||
|
|
** \note
|
||
|
|
******************************************************************************/
|
||
|
|
typedef enum en_lvd_threshold
|
||
|
|
{
|
||
|
|
LvdMskTH1_8V = 0u<<4, ///< 1.8V
|
||
|
|
LvdMskTH1_9V = 1u<<4, ///< 1.9V
|
||
|
|
LvdMskTH2_0V = 2u<<4, ///< 2.0V
|
||
|
|
LvdMskTH2_1V = 3u<<4, ///< 2.1V
|
||
|
|
LvdMskTH2_2V = 4u<<4, ///< 2.2V
|
||
|
|
LvdMskTH2_3V = 5u<<4, ///< 2.3V
|
||
|
|
LvdMskTH2_4V = 6u<<4, ///< 2.4V
|
||
|
|
LvdMskTH2_5V = 7u<<4, ///< 2.5V
|
||
|
|
LvdMskTH2_6V = 8u<<4, ///< 2.6V
|
||
|
|
LvdMskTH2_7V = 9u<<4, ///< 2.7V
|
||
|
|
LvdMskTH2_8V = 10u<<4, ///< 2.8V
|
||
|
|
LvdMskTH2_9V = 11u<<4, ///< 2.9V
|
||
|
|
LvdMskTH3_0V = 12u<<4, ///< 3.0V
|
||
|
|
LvdMskTH3_1V = 13u<<4, ///< 3.1V
|
||
|
|
LvdMskTH3_2V = 14u<<4, ///< 3.2V
|
||
|
|
LvdMskTH3_3V = 15u<<4, ///< 3.3V
|
||
|
|
}en_lvd_threshold_t;
|
||
|
|
|
||
|
|
/**
|
||
|
|
******************************************************************************
|
||
|
|
** \brief LVD输出滤波时间
|
||
|
|
**
|
||
|
|
** \note
|
||
|
|
******************************************************************************/
|
||
|
|
typedef enum en_lvd_filter_time
|
||
|
|
{
|
||
|
|
LvdFilterMsk7us = 0u<<9, ///< 7us
|
||
|
|
LvdFilterMsk14us = 1u<<9, ///< 14us
|
||
|
|
LvdFilterMsk28us = 2u<<9, ///< 28us
|
||
|
|
LvdFilterMsk112us = 3u<<9, ///< 112us
|
||
|
|
LvdFilterMsk450us = 4u<<9, ///< 450us
|
||
|
|
LvdFilterMsk1_8ms = 5u<<9, ///< 1.8ms
|
||
|
|
LvdFilterMsk7_2ms = 6u<<9, ///< 7.3ms
|
||
|
|
LvdFilterMsk28_8ms = 7u<<9, ///< 28.8ms
|
||
|
|
}en_lvd_filter_time_t;
|
||
|
|
|
||
|
|
/**
|
||
|
|
******************************************************************************
|
||
|
|
** \brief LVD中断触发方式
|
||
|
|
**
|
||
|
|
** \note
|
||
|
|
******************************************************************************/
|
||
|
|
typedef enum en_lvd_irq_type
|
||
|
|
{
|
||
|
|
LvdIrqMskRiseFall = 3u<<12, ///< 上升/下降沿触发
|
||
|
|
LvdIrqMskHigh = 1u<<14, ///< 高电平触发
|
||
|
|
LvdIrqMskRise = 1u<<13, ///< 上升沿触发
|
||
|
|
LvdIrqMskFall = 1u<<12, ///< 下降沿触发
|
||
|
|
}en_lvd_irq_type_t;
|
||
|
|
|
||
|
|
/**
|
||
|
|
******************************************************************************
|
||
|
|
** \brief LVD触发动作选择
|
||
|
|
**
|
||
|
|
** \note
|
||
|
|
******************************************************************************/
|
||
|
|
typedef enum en_lvd_act
|
||
|
|
{
|
||
|
|
LvdActMskReset = 1u<<1, ///< 系统复位
|
||
|
|
LvdActMskInt = 0u, ///< NVIC中断
|
||
|
|
}en_lvd_act_t;
|
||
|
|
|
||
|
|
/**
|
||
|
|
******************************************************************************
|
||
|
|
** \brief LVD数字滤波使能配置
|
||
|
|
**
|
||
|
|
** \note
|
||
|
|
******************************************************************************/
|
||
|
|
typedef enum en_lvd_filter
|
||
|
|
{
|
||
|
|
LvdFilterMskEnable = 1u<<8, ///< 数字滤波使能
|
||
|
|
LvdFilterMskDisable = 0u, ///< 数字滤波禁止
|
||
|
|
}en_lvd_filter_t;
|
||
|
|
|
||
|
|
/**
|
||
|
|
******************************************************************************
|
||
|
|
** \brief LVD配置
|
||
|
|
** \note
|
||
|
|
******************************************************************************/
|
||
|
|
typedef struct stc_lvd_cfg
|
||
|
|
{
|
||
|
|
en_lvd_act_t enAct; ///< LVD触发动作
|
||
|
|
en_lvd_input_src_t enInputSrc; ///< LVD输入电压源
|
||
|
|
en_lvd_threshold_t enThreshold; ///< LVD监测电压
|
||
|
|
en_lvd_filter_t enFilter; ///< 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
|
||
|
|
}stc_lvd_cfg_t;
|
||
|
|
|
||
|
|
|
||
|
|
/******************************************************************************
|
||
|
|
* Global definitions
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
/******************************************************************************
|
||
|
|
* Local type definitions ('typedef')
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
/******************************************************************************
|
||
|
|
* Global variable definitions ('extern')
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
/******************************************************************************
|
||
|
|
* Global function prototypes (definition in C source)
|
||
|
|
******************************************************************************/
|
||
|
|
//irq enable/disable
|
||
|
|
void Lvd_EnableIrq(void);
|
||
|
|
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_cfg_t *pstcCfg);
|
||
|
|
|
||
|
|
//LVD function enable/disable
|
||
|
|
void Lvd_Enable(void);
|
||
|
|
void Lvd_Disable(void);
|
||
|
|
|
||
|
|
//@} // LvdGroup
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* __LVD_H__ */
|
||
|
|
/******************************************************************************
|
||
|
|
* EOF (not truncated)
|
||
|
|
******************************************************************************/
|