mirror of
https://github.com/crosspoint-reader/crosspoint-reader.git
synced 2026-04-29 10:26:52 -07:00
Justin Mitchell
cd4303a8fb
Centralize display initialization and power button verification for X3 devices
91 lines
2.8 KiB
C++
91 lines
2.8 KiB
C++
#pragma once
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#include <Arduino.h>
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#include <BatteryMonitor.h>
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#include <InputManager.h>
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// Display SPI pins (custom pins for XteinkX4, not hardware SPI defaults)
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#define EPD_SCLK 8 // SPI Clock
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#define EPD_MOSI 10 // SPI MOSI (Master Out Slave In)
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#define EPD_CS 21 // Chip Select
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#define EPD_DC 4 // Data/Command
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#define EPD_RST 5 // Reset
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#define EPD_BUSY 6 // Busy
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#define SPI_MISO 7 // SPI MISO, shared between SD card and display (Master In Slave Out)
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#define BAT_GPIO0 0 // Battery voltage
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#define UART0_RXD 20 // Used for USB connection detection
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class HalGPIO {
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#if CROSSPOINT_EMULATED == 0
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InputManager inputMgr;
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#endif
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public:
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enum class DeviceType : uint8_t { X4, X3 };
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private:
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DeviceType _deviceType = DeviceType::X4;
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int _detectAdcValue = 0;
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int _batteryPin = BAT_GPIO0;
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// I2C fuel gauge configuration for X3 battery monitoring
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bool _batteryUseI2C = false; // Whether to use I2C fuel gauge (X3) vs ADC (X4)
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uint8_t _batteryI2cAddr = 0; // I2C address of fuel gauge chip
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uint8_t _batterySocRegister = 0; // Register address for state-of-charge
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public:
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HalGPIO() = default;
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// Inline device type helpers for cleaner downstream checks
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inline bool deviceIsX3() const { return _deviceType == DeviceType::X3; }
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inline bool deviceIsX4() const { return _deviceType == DeviceType::X4; }
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// Start button GPIO and setup SPI for screen and SD card
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void begin();
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// Button input methods
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void update();
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bool isPressed(uint8_t buttonIndex) const;
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bool wasPressed(uint8_t buttonIndex) const;
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bool wasAnyPressed() const;
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bool wasReleased(uint8_t buttonIndex) const;
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bool wasAnyReleased() const;
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unsigned long getHeldTime() const;
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// Setup wake up GPIO and enter deep sleep
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void startDeepSleep();
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// Verify power button was held long enough after wakeup.
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// If verification fails, enters deep sleep and does not return.
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// Should only be called when wakeup reason is PowerButton.
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void verifyPowerButtonWakeup(uint16_t requiredDurationMs, bool shortPressAllowed);
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// Get battery percentage (range 0-100)
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int getBatteryPercentage() const;
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// Check if USB is connected
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bool isUsbConnected() const;
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// Device detection helpers
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DeviceType getDeviceType() const { return _deviceType; }
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int getDetectAdcValue() const { return _detectAdcValue; }
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int getBatteryPin() const { return _batteryPin; }
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enum class WakeupReason { PowerButton, AfterFlash, AfterUSBPower, Other };
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WakeupReason getWakeupReason() const;
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// Button indices
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static constexpr uint8_t BTN_BACK = 0;
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static constexpr uint8_t BTN_CONFIRM = 1;
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static constexpr uint8_t BTN_LEFT = 2;
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static constexpr uint8_t BTN_RIGHT = 3;
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static constexpr uint8_t BTN_UP = 4;
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static constexpr uint8_t BTN_DOWN = 5;
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static constexpr uint8_t BTN_POWER = 6;
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};
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extern HalGPIO gpio;
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