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66 lines
2.0 KiB
C++
66 lines
2.0 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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#include "esphome/components/voltage_sampler/voltage_sampler.h"
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namespace esphome {
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namespace cd74hc4067 {
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class CD74HC4067Component : public Component {
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public:
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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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float get_setup_priority() const override;
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/// setting pin active by setting the right combination of the four multiplexer input pins
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void activate_pin(uint8_t pin);
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/// set the pin connected to multiplexer control pin 0
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void set_pin_s0(GPIOPin *pin) { this->pin_s0_ = pin; }
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/// set the pin connected to multiplexer control pin 1
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void set_pin_s1(GPIOPin *pin) { this->pin_s1_ = pin; }
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/// set the pin connected to multiplexer control pin 2
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void set_pin_s2(GPIOPin *pin) { this->pin_s2_ = pin; }
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/// set the pin connected to multiplexer control pin 3
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void set_pin_s3(GPIOPin *pin) { this->pin_s3_ = pin; }
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/// set the delay needed after an input switch
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void set_switch_delay(uint32_t switch_delay) { this->switch_delay_ = switch_delay; }
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private:
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GPIOPin *pin_s0_;
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GPIOPin *pin_s1_;
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GPIOPin *pin_s2_;
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GPIOPin *pin_s3_;
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/// the currently active pin
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uint8_t active_pin_;
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uint32_t switch_delay_;
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};
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class CD74HC4067Sensor : public sensor::Sensor, public PollingComponent, public voltage_sampler::VoltageSampler {
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public:
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CD74HC4067Sensor(CD74HC4067Component *parent);
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void update() 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;
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void set_pin(uint8_t pin) { this->pin_ = pin; }
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void set_source(voltage_sampler::VoltageSampler *source) { this->source_ = source; }
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float sample() override;
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protected:
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CD74HC4067Component *parent_;
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/// The sampling source to read values from.
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voltage_sampler::VoltageSampler *source_;
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uint8_t pin_;
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};
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} // namespace cd74hc4067
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} // namespace esphome
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