mirror of https://github.com/esphome/esphome.git
63 lines
1.6 KiB
C++
63 lines
1.6 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/core/automation.h"
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#include "esphome/components/output/float_output.h"
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#ifdef USE_ESP32
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namespace esphome {
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namespace ledc {
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// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
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extern uint8_t next_ledc_channel;
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class LEDCOutput : public output::FloatOutput, public Component {
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public:
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explicit LEDCOutput(InternalGPIOPin *pin) : pin_(pin) { this->channel_ = next_ledc_channel++; }
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void set_channel(uint8_t channel) { this->channel_ = channel; }
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void set_frequency(float frequency) { this->frequency_ = frequency; }
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void set_phase_angle(float angle) { this->phase_angle_ = angle; }
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/// Dynamically change frequency at runtime
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void update_frequency(float frequency) override;
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/// Setup LEDC.
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void setup() override;
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void dump_config() override;
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/// HARDWARE setup priority
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float get_setup_priority() const override { return setup_priority::HARDWARE; }
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/// Override FloatOutput's write_state.
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void write_state(float state) override;
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protected:
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InternalGPIOPin *pin_;
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uint8_t channel_{};
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uint8_t bit_depth_{};
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float phase_angle_{0.0f};
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float frequency_{};
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float duty_{0.0f};
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bool initialized_ = false;
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};
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template<typename... Ts> class SetFrequencyAction : public Action<Ts...> {
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public:
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SetFrequencyAction(LEDCOutput *parent) : parent_(parent) {}
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TEMPLATABLE_VALUE(float, frequency);
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void play(Ts... x) {
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float freq = this->frequency_.value(x...);
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this->parent_->update_frequency(freq);
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}
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protected:
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LEDCOutput *parent_;
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};
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} // namespace ledc
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} // namespace esphome
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#endif
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