mirror of
https://github.com/Threnklyn/esphome-dev.git
synced 2026-06-01 18:48:28 +02:00
kahrendt
71 lines
2.0 KiB
C++
71 lines
2.0 KiB
C++
/*
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* Adds support for Qwiic PIR motion sensors that communicate over an I2C bus.
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* These sensors use Sharp PIR motion sensors to detect motion. A firmware running on an ATTiny84 translates the digital
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* output to I2C communications.
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* ATTiny84 firmware: https://github.com/sparkfun/Qwiic_PIR (acccessed July 2023)
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* SparkFun's Arduino library: https://github.com/sparkfun/SparkFun_Qwiic_PIR_Arduino_Library (accessed July 2023)
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*/
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#pragma once
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#include "esphome/core/component.h"
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#include "esphome/components/binary_sensor/binary_sensor.h"
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#include "esphome/components/i2c/i2c.h"
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namespace esphome {
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namespace qwiic_pir {
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// Qwiic PIR I2C Register Addresses
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enum {
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QWIIC_PIR_CHIP_ID = 0x00,
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QWIIC_PIR_EVENT_STATUS = 0x03,
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QWIIC_PIR_DEBOUNCE_TIME = 0x05, // uint16_t debounce time in milliseconds
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};
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enum DebounceMode {
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RAW_DEBOUNCE_MODE,
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NATIVE_DEBOUNCE_MODE,
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HYBRID_DEBOUNCE_MODE,
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};
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static const uint8_t QWIIC_PIR_DEVICE_ID = 0x72;
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class QwiicPIRComponent : public Component, public i2c::I2CDevice, public binary_sensor::BinarySensor {
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public:
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void setup() override;
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void loop() 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 set_debounce_time(uint16_t debounce_time) { this->debounce_time_ = debounce_time; }
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void set_debounce_mode(DebounceMode mode) { this->debounce_mode_ = mode; }
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protected:
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uint16_t debounce_time_{};
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DebounceMode debounce_mode_{};
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enum ErrorCode {
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NONE = 0,
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ERROR_COMMUNICATION_FAILED,
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ERROR_WRONG_CHIP_ID,
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} error_code_{NONE};
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union {
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struct {
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bool raw_reading : 1; // raw state of PIR sensor
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bool event_available : 1; // a debounced object has been detected or removed
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bool object_removed : 1; // a debounced object is no longer detected
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bool object_detected : 1; // a debounced object has been detected
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bool : 4;
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};
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uint8_t reg;
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} event_register_ = {.reg = 0};
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void clear_events_();
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};
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} // namespace qwiic_pir
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} // namespace esphome
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