35 lines
1 KiB
C++
35 lines
1 KiB
C++
#pragma once
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#include "esphome/components/i2c/i2c.h"
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#include "esphome/components/touchscreen/touchscreen.h"
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#include "esphome/core/component.h"
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#include "esphome/core/hal.h"
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namespace esphome {
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namespace gt911 {
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class GT911ButtonListener {
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public:
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virtual void update_button(uint8_t index, bool state) = 0;
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};
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class GT911Touchscreen : public touchscreen::Touchscreen, public i2c::I2CDevice {
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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_interrupt_pin(InternalGPIOPin *pin) { this->interrupt_pin_ = pin; }
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void set_reset_pin(GPIOPin *pin) { this->reset_pin_ = pin; }
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void register_button_listener(GT911ButtonListener *listener) { this->button_listeners_.push_back(listener); }
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protected:
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void update_touches() override;
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InternalGPIOPin *interrupt_pin_{};
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GPIOPin *reset_pin_{};
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std::vector<GT911ButtonListener *> button_listeners_;
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uint8_t button_state_{0xFF}; // last button state. Initial FF guarantees first update.
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};
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} // namespace gt911
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} // namespace esphome
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