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73 lines
2.2 KiB
C++
73 lines
2.2 KiB
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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#include "esphome/components/voltage_sampler/voltage_sampler.h"
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#include <vector>
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namespace esphome {
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namespace ads1115 {
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enum ADS1115Multiplexer {
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ADS1115_MULTIPLEXER_P0_N1 = 0b000,
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ADS1115_MULTIPLEXER_P0_N3 = 0b001,
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ADS1115_MULTIPLEXER_P1_N3 = 0b010,
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ADS1115_MULTIPLEXER_P2_N3 = 0b011,
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ADS1115_MULTIPLEXER_P0_NG = 0b100,
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ADS1115_MULTIPLEXER_P1_NG = 0b101,
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ADS1115_MULTIPLEXER_P2_NG = 0b110,
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ADS1115_MULTIPLEXER_P3_NG = 0b111,
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};
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enum ADS1115Gain {
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ADS1115_GAIN_6P144 = 0b000,
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ADS1115_GAIN_4P096 = 0b001,
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ADS1115_GAIN_2P048 = 0b010,
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ADS1115_GAIN_1P024 = 0b011,
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ADS1115_GAIN_0P512 = 0b100,
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ADS1115_GAIN_0P256 = 0b101,
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};
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class ADS1115Sensor;
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class ADS1115Component : public Component, public i2c::I2CDevice {
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public:
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void register_sensor(ADS1115Sensor *obj) { this->sensors_.push_back(obj); }
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/// Set up the internal sensor array.
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void setup() override;
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void dump_config() override;
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/// HARDWARE_LATE setup priority
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float get_setup_priority() const override { return setup_priority::DATA; }
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void set_continuous_mode(bool continuous_mode) { continuous_mode_ = continuous_mode; }
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/// Helper method to request a measurement from a sensor.
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float request_measurement(ADS1115Sensor *sensor);
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protected:
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std::vector<ADS1115Sensor *> sensors_;
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uint16_t prev_config_{0};
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bool continuous_mode_;
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};
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/// Internal holder class that is in instance of Sensor so that the hub can create individual sensors.
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class ADS1115Sensor : public sensor::Sensor, public PollingComponent, public voltage_sampler::VoltageSampler {
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public:
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ADS1115Sensor(ADS1115Component *parent) : parent_(parent) {}
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void update() override;
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void set_multiplexer(ADS1115Multiplexer multiplexer) { multiplexer_ = multiplexer; }
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void set_gain(ADS1115Gain gain) { gain_ = gain; }
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float sample() override;
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uint8_t get_multiplexer() const { return multiplexer_; }
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uint8_t get_gain() const { return gain_; }
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protected:
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ADS1115Component *parent_;
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ADS1115Multiplexer multiplexer_;
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ADS1115Gain gain_;
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};
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} // namespace ads1115
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} // namespace esphome
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