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67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
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#pragma once
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#include "esphome/core/component.h"
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#include "esphome/core/esphal.h"
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#include "esphome/components/output/float_output.h"
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namespace esphome {
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namespace ac_dimmer {
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enum DimMethod { DIM_METHOD_LEADING_PULSE = 0, DIM_METHOD_LEADING, DIM_METHOD_TRAILING };
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struct AcDimmerDataStore {
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/// Zero-cross pin
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ISRInternalGPIOPin *zero_cross_pin;
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/// Zero-cross pin number - used to share ZC pin across multiple dimmers
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uint8_t zero_cross_pin_number;
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/// Output pin to write to
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ISRInternalGPIOPin *gate_pin;
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/// Value of the dimmer - 0 to 65535.
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uint16_t value;
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/// Minimum power for activation
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uint16_t min_power;
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/// Time between the last two ZC pulses
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uint32_t cycle_time_us;
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/// Time (in micros()) of last ZC signal
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uint32_t crossed_zero_at;
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/// Time since last ZC pulse to enable gate pin. 0 means not set.
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uint32_t enable_time_us;
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/// Time since last ZC pulse to disable gate pin. 0 means no disable.
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uint32_t disable_time_us;
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/// Set to send the first half ac cycle complete
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bool init_cycle;
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/// Dimmer method
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DimMethod method;
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uint32_t timer_intr(uint32_t now);
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void gpio_intr();
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static void s_gpio_intr(AcDimmerDataStore *store);
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#ifdef ARDUINO_ARCH_ESP32
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static void s_timer_intr();
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#endif
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};
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class AcDimmer : public output::FloatOutput, public Component {
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public:
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void setup() override;
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void dump_config() override;
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void set_gate_pin(GPIOPin *gate_pin) { gate_pin_ = gate_pin; }
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void set_zero_cross_pin(GPIOPin *zero_cross_pin) { zero_cross_pin_ = zero_cross_pin; }
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void set_init_with_half_cycle(bool init_with_half_cycle) { init_with_half_cycle_ = init_with_half_cycle; }
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void set_method(DimMethod method) { method_ = method; }
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protected:
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void write_state(float state) override;
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GPIOPin *gate_pin_;
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GPIOPin *zero_cross_pin_;
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AcDimmerDataStore store_;
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bool init_with_half_cycle_;
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DimMethod method_;
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};
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} // namespace ac_dimmer
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} // namespace esphome
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