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36 lines
1022 B
C++
36 lines
1022 B
C++
#pragma once
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#include "esphome/core/component.h"
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#include "esphome/components/sensor/sensor.h"
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#include "esphome/components/i2c/i2c.h"
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// ref:
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// https://github.com/DFRobot/DFRobot_OzoneSensor
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namespace esphome {
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namespace sen0321_sensor {
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// Sensor Mode
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// While passive is supposedly supported, it does not appear to work reliably.
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static const uint8_t SENSOR_MODE_REGISTER = 0x03;
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static const uint8_t SENSOR_MODE_AUTO = 0x00;
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static const uint8_t SENSOR_MODE_PASSIVE = 0x01;
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static const uint8_t SET_REGISTER = 0x04;
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// Each register is 2 wide, so 0x07-0x08 for passive, or 0x09-0x0A for auto
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// First register is high bits, next low.
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static const uint8_t SENSOR_PASS_READ_REG = 0x07;
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static const uint8_t SENSOR_AUTO_READ_REG = 0x09;
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class Sen0321Sensor : public sensor::Sensor, public PollingComponent, public i2c::I2CDevice {
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public:
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void update() override;
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void dump_config() override;
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void setup() override;
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protected:
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void read_data_();
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};
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} // namespace sen0321_sensor
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} // namespace esphome
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