59 lines
2.9 KiB
C
59 lines
2.9 KiB
C
#ifndef _MPR121_CONFIG_H
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#define _MPR121_CONFIG_H
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#include "mpr121-helper.h"
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// Thresholds
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#define MPR121CONF_TTH 6///< 触发阈值
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#define MPR121CONF_RTH 3///< 释放阈值
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// De-bounce
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#define MPR121CONF_DR 3 ///< 松开样本采集数
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#define MPR121CONF_DT 2 ///< 按下样本采集数
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// AFE Configurations
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#define MPR121CONF_FFI MPR121_FFI_6 ///< 一层过滤采样数
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#define MPR121CONF_CDC 16 ///< 充放电电流
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#define MPR121CONF_CDT MPR121_CDT_500NS ///< 充放电时间
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#define MPR121CONF_SFI MPR121_SFI_4 ///< 二层过滤
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#define MPR121CONF_ESI MPR121_ESI_1MS ///< 二层过滤采样间隔时间
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// ECR Configurations
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#define MPR121CONF_CL MPR121_CL_INIT1 ///< 启用基线动态校准
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#define MPR121CONF_ELEPROX MPR121_ELEPROX_0 ///< 接近检测电极，禁用
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#define MPR121CONF_ELE 12 ///< touch detection electrodes
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// 基线动态校准
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#define MPR121CONF_MHDR 1 ///< 上升最大变化值
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#define MPR121CONF_NHDR 8 ///< 上升幅度
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#define MPR121CONF_NCLR 1 ///< 上升修正样本个数
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#define MPR121CONF_FDLR 0 ///< 修正前等待样本个数
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#define MPR121CONF_MHDF 1 ///< 下降最大变化值
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#define MPR121CONF_NHDF 1 ///< 下降幅度
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#define MPR121CONF_NCLF 16 ///< 下降修正样本个数
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#define MPR121CONF_FDLF 2 ///< 修正前等待样本个数
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#define MPR121CONF_NHDT 0 ///< Touched Noise Half Delta
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#define MPR121CONF_NCLT 0 ///< Touched Noise Count Limit
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#define MPR121CONF_FDLT 0 ///< Touched Filter Delay Count Limit
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// 自动初始化
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// #define MPR121CONF_USL 200 ///< 上限，MPR121_UPLIMIT，((Vdd - 0.7)/Vdd) * 256，200
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// #define MPR121CONF_LSL 130 ///< 下限，MPR121_LOWLIMIT，UPLIMIT * 0.65，130
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// #define MPR121CONF_TL 180 ///< 目标，MPR121_TARGETLIMIT，UPLIMIT * 0.9，180
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#define MPR121CONF_USL 156 ///< 上限，MPR121_UPLIMIT，((Vdd - 0.7)/Vdd) * 256
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#define MPR121CONF_LSL 101 ///< 下限，MPR121_LOWLIMIT，UPLIMIT * 0.65
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#define MPR121CONF_TL 140 ///< 目标，MPR121_TARGETLIMIT，UPLIMIT * 0.9
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// #define MPR121CONF_USL 166 ///< 上限，MPR121_UPLIMIT，((Vdd - 0.7)/Vdd) * 256，200
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// #define MPR121CONF_LSL 108 ///< 下限，MPR121_LOWLIMIT，UPLIMIT * 0.65，130
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// #define MPR121CONF_TL 149 ///< 目标，MPR121_TARGETLIMIT，UPLIMIT * 0.9，180
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#define MPR121CONF_AFES MPR121CONF_FFI ///< 必须设置为FFI
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#define MPR121CONF_RETRY MPR121_RETRY_0 ///< 重试次数
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#define MPR121CONF_BVA MPR121CONF_CL ///< 必须设置为CL
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#define MPR121CONF_ARE 1 ///< 开启自动重配置
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#define MPR121CONF_ACE 1 ///< 开启自动配置
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#define MPR121CONF_SCTS 1 ///< 跳过充电时间
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//中断用，全部关闭
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#define MPR121CONF_ACFIE 0 ///< Auto-configuration fail interrupt enable
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#define MPR121CONF_ARFIE 0 ///< Auto-reconfiguration fail interrupt enable
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#define MPR121CONF_OORIE 0 ///< Out-of-range interrupt enable
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#endif
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