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- /******************************************************************************
- * Copyright (C) 2021, Xiaohua Semiconductor Co., Ltd. All rights reserved.
- *
- * This software component is licensed by XHSC under BSD 3-Clause license
- * (the "License"); You may not use this file except in compliance with the
- * License. You may obtain a copy of the License at:
- * opensource.org/licenses/BSD-3-Clause
- *
- ******************************************************************************/
- /******************************************************************************
- * @file lvd.h
- *
- * @brief Header file for Low Voltage Detector functions
- *
- * @author MADS Team
- *
- ******************************************************************************/
- #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)
- ******************************************************************************/
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