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9b2fff2f70
Introduces TEchoBacklight class to manage the backlight on the T-Echo device (BaseUI only)
44 lines
1.0 KiB
C++
44 lines
1.0 KiB
C++
#pragma once
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#include "configuration.h"
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#if defined(TTGO_T_ECHO) && !defined(MESHTASTIC_INCLUDE_NICHE_GRAPHICS)
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#include "concurrency/OSThread.h"
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class TEchoBacklight : public concurrency::OSThread
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{
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public:
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TEchoBacklight();
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int32_t runOnce() override;
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void setPin(uint8_t pin);
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void start();
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void peek();
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void latch();
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void off();
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private:
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static constexpr uint32_t LATCH_TIME_MS = 5000;
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static constexpr uint32_t POLL_INTERVAL_MS = 10;
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static constexpr uint32_t DEBOUNCE_MS = 50;
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static constexpr uint32_t BLINK_DELAY_MS = 25;
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static constexpr uint8_t BLINK_STEPS = 3;
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enum State { REST, IRQ, POLLING_UNFIRED, POLLING_FIRED, BLINKING };
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bool backlightLatched = false;
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uint32_t irqAtMillis = 0;
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State state = REST;
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uint32_t blinkStartTime = 0;
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uint8_t blinkStep = 0;
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void setBacklight(bool on);
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bool isTouchPressed();
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static void touchISR();
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void startThread();
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void stopThread();
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};
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extern TEchoBacklight *tEchoBacklight;
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#endif
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