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93 lines
2.7 KiB
C++
93 lines
2.7 KiB
C++
#pragma once
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#include "esphome/core/component.h"
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#include "esphome/components/i2c/i2c.h"
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#include "esphome/components/binary_sensor/binary_sensor.h"
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#include <vector>
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namespace esphome {
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namespace mpr121 {
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enum {
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MPR121_TOUCHSTATUS_L = 0x00,
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MPR121_TOUCHSTATUS_H = 0x01,
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MPR121_FILTDATA_0L = 0x04,
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MPR121_FILTDATA_0H = 0x05,
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MPR121_BASELINE_0 = 0x1E,
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MPR121_MHDR = 0x2B,
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MPR121_NHDR = 0x2C,
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MPR121_NCLR = 0x2D,
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MPR121_FDLR = 0x2E,
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MPR121_MHDF = 0x2F,
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MPR121_NHDF = 0x30,
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MPR121_NCLF = 0x31,
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MPR121_FDLF = 0x32,
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MPR121_NHDT = 0x33,
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MPR121_NCLT = 0x34,
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MPR121_FDLT = 0x35,
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MPR121_TOUCHTH_0 = 0x41,
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MPR121_RELEASETH_0 = 0x42,
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MPR121_DEBOUNCE = 0x5B,
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MPR121_CONFIG1 = 0x5C,
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MPR121_CONFIG2 = 0x5D,
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MPR121_CHARGECURR_0 = 0x5F,
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MPR121_CHARGETIME_1 = 0x6C,
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MPR121_ECR = 0x5E,
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MPR121_AUTOCONFIG0 = 0x7B,
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MPR121_AUTOCONFIG1 = 0x7C,
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MPR121_UPLIMIT = 0x7D,
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MPR121_LOWLIMIT = 0x7E,
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MPR121_TARGETLIMIT = 0x7F,
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MPR121_GPIODIR = 0x76,
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MPR121_GPIOEN = 0x77,
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MPR121_GPIOSET = 0x78,
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MPR121_GPIOCLR = 0x79,
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MPR121_GPIOTOGGLE = 0x7A,
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MPR121_SOFTRESET = 0x80,
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};
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class MPR121Channel : public binary_sensor::BinarySensor {
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friend class MPR121Component;
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public:
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void set_channel(uint8_t channel) { channel_ = channel; }
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void process(uint16_t data) { this->publish_state(static_cast<bool>(data & (1 << this->channel_))); }
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void set_touch_threshold(uint8_t touch_threshold) { this->touch_threshold_ = touch_threshold; };
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void set_release_threshold(uint8_t release_threshold) { this->release_threshold_ = release_threshold; };
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protected:
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uint8_t channel_{0};
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optional<uint8_t> touch_threshold_{};
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optional<uint8_t> release_threshold_{};
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};
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class MPR121Component : public Component, public i2c::I2CDevice {
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public:
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void register_channel(MPR121Channel *channel) { this->channels_.push_back(channel); }
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void set_touch_debounce(uint8_t debounce);
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void set_release_debounce(uint8_t debounce);
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void set_touch_threshold(uint8_t touch_threshold) { this->touch_threshold_ = touch_threshold; };
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void set_release_threshold(uint8_t release_threshold) { this->release_threshold_ = release_threshold; };
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uint8_t get_touch_threshold() { return this->touch_threshold_; };
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uint8_t get_release_threshold() { return this->release_threshold_; };
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void setup() override;
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void dump_config() override;
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float get_setup_priority() const override { return setup_priority::DATA; }
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void loop() override;
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protected:
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std::vector<MPR121Channel *> channels_{};
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uint8_t debounce_{0};
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uint8_t touch_threshold_{};
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uint8_t release_threshold_{};
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enum ErrorCode {
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NONE = 0,
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COMMUNICATION_FAILED,
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WRONG_CHIP_STATE,
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} error_code_{NONE};
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};
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} // namespace mpr121
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} // namespace esphome
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