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86 lines
2.3 KiB
C++
86 lines
2.3 KiB
C++
#pragma once
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#include "esphome/core/component.h"
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#include "esphome/core/hal.h"
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#include "esphome/components/sensor/sensor.h"
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namespace esphome {
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namespace zyaura {
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static const uint8_t ZA_MAX_MS = 2;
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static const uint8_t ZA_MSG_LEN = 5;
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static const uint8_t ZA_FRAME_SIZE = 40;
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static const uint8_t ZA_MSG_DELIMETER = 0x0D;
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static const uint8_t ZA_BYTE_TYPE = 0;
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static const uint8_t ZA_BYTE_HIGH = 1;
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static const uint8_t ZA_BYTE_LOW = 2;
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static const uint8_t ZA_BYTE_SUM = 3;
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static const uint8_t ZA_BYTE_END = 4;
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enum ZaDataType {
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HUMIDITY = 0x41,
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TEMPERATURE = 0x42,
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CO2 = 0x50,
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};
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struct ZaMessage {
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ZaDataType type;
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uint16_t value;
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};
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class ZaDataProcessor {
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public:
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bool decode(uint32_t ms, bool data);
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ZaMessage *message = new ZaMessage;
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protected:
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uint8_t buffer_[ZA_MSG_LEN];
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int num_bits_ = 0;
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uint32_t prev_ms_;
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};
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class ZaSensorStore {
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public:
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uint16_t co2 = -1;
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uint16_t temperature = -1;
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uint16_t humidity = -1;
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void setup(InternalGPIOPin *pin_clock, InternalGPIOPin *pin_data);
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static void interrupt(ZaSensorStore *arg);
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protected:
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ISRInternalGPIOPin pin_clock_;
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ISRInternalGPIOPin pin_data_;
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ZaDataProcessor processor_;
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void set_data_(ZaMessage *message);
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};
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/// Component for reading temperature/co2/humidity measurements from ZyAura sensors.
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class ZyAuraSensor : public PollingComponent {
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public:
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void set_pin_clock(InternalGPIOPin *pin) { pin_clock_ = pin; }
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void set_pin_data(InternalGPIOPin *pin) { pin_data_ = pin; }
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void set_co2_sensor(sensor::Sensor *co2_sensor) { co2_sensor_ = co2_sensor; }
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void set_temperature_sensor(sensor::Sensor *temperature_sensor) { temperature_sensor_ = temperature_sensor; }
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void set_humidity_sensor(sensor::Sensor *humidity_sensor) { humidity_sensor_ = humidity_sensor; }
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void setup() override { this->store_.setup(this->pin_clock_, this->pin_data_); }
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void dump_config() override;
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void update() override;
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float get_setup_priority() const override { return setup_priority::DATA; }
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protected:
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ZaSensorStore store_;
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InternalGPIOPin *pin_clock_;
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InternalGPIOPin *pin_data_;
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sensor::Sensor *co2_sensor_{nullptr};
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sensor::Sensor *temperature_sensor_{nullptr};
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sensor::Sensor *humidity_sensor_{nullptr};
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bool publish_state_(ZaDataType data_type, sensor::Sensor *sensor, uint16_t *data_value);
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};
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} // namespace zyaura
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} // namespace esphome
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