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77 lines
2.3 KiB
77 lines
2.3 KiB
#pragma once
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#include "common.h"
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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/ledc/ledc_output.h"
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namespace esphome {
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namespace yeelight {
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namespace bs2 {
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struct TriggerPinStore {
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volatile int queue_length = 0;
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static void isr(TriggerPinStore *store);
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};
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/**
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* This ISR is used to handle IRQ triggers from the front panel.
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*
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* The front panel pulls the trigger pin low when a new event
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* is available. All we do here to handle the interrupt, is
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* increment a simple queue length counter. Reading the event
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* from the I2C bus will be handled in the main loop, based
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* on this counter.
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*/
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void ICACHE_RAM_ATTR HOT TriggerPinStore::isr(TriggerPinStore *store) {
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store->queue_length++;
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}
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class YeelightBS2Hub : public Component {
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public:
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// Pins that are used for the RGBWW light.
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ledc::LEDCOutput *red;
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ledc::LEDCOutput *green;
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ledc::LEDCOutput *blue;
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ledc::LEDCOutput *white;
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void set_trigger_pin(GPIOPin *pin) { i2c_trigger_pin_ = pin; }
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void set_red_pin(ledc::LEDCOutput *pin) { red = pin; }
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void set_green_pin(ledc::LEDCOutput *pin) { green = pin; }
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void set_blue_pin(ledc::LEDCOutput *pin) { blue = pin; }
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void set_white_pin(ledc::LEDCOutput *pin) { white = pin; }
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void setup() {
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ESP_LOGCONFIG(TAG, "Setting up I2C trigger pin interrupt...");
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this->i2c_trigger_pin_->setup();
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this->i2c_trigger_pin_->attach_interrupt(
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TriggerPinStore::isr, &this->trigger_pin_store_, FALLING);
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}
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void dump_config() {
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ESP_LOGCONFIG(TAG, "I2C");
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LOG_PIN(" Interrupt pin: ", this->i2c_trigger_pin_);
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}
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void loop() {
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if (this->trigger_pin_store_.queue_length > 0) {
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this->counter_++;
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ESP_LOGD(TAG, "Front Panel interrupt queue=%d, counter=%d",
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this->trigger_pin_store_.queue_length, this->counter_);
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this->trigger_pin_store_.queue_length--;
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}
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}
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protected:
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// Pin that is used by the front panel to notify the ESP that
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// a touch/release event can be read using I2C.
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GPIOPin *i2c_trigger_pin_;
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// Fields that are used for trigger pin interrupt handling.
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int counter_ = 0;
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TriggerPinStore trigger_pin_store_{};
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};
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} // namespace bs2
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} // namespace yeelight
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} // namespace esphome
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