crosspoint-reader/lib/hal/HalDisplay.h

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C
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#pragma once
#include <Arduino.h>
#include <EInkDisplay.h>
class HalDisplay {
public:
// Constructor with pin configuration
HalDisplay();
// Destructor
~HalDisplay();
// Refresh modes
enum RefreshMode {
FULL_REFRESH, // Full refresh with complete waveform
HALF_REFRESH, // Half refresh (1720ms) - balanced quality and speed
FAST_REFRESH // Fast refresh using custom LUT
};
// Initialize the display hardware and driver
void begin();
// Display dimensions
static constexpr uint16_t DISPLAY_WIDTH = EInkDisplay::DISPLAY_WIDTH;
static constexpr uint16_t DISPLAY_HEIGHT = EInkDisplay::DISPLAY_HEIGHT;
static constexpr uint16_t DISPLAY_WIDTH_BYTES = DISPLAY_WIDTH / 8;
static constexpr uint32_t BUFFER_SIZE = DISPLAY_WIDTH_BYTES * DISPLAY_HEIGHT;
// Frame buffer operations
void clearScreen(uint8_t color = 0xFF) const;
void drawImage(const uint8_t* imageData, uint16_t x, uint16_t y, uint16_t w, uint16_t h,
bool fromProgmem = false) const;
void displayBuffer(RefreshMode mode = RefreshMode::FAST_REFRESH);
void refreshDisplay(RefreshMode mode = RefreshMode::FAST_REFRESH, bool turnOffScreen = false);
// Power management
void deepSleep();
// Access to frame buffer
uint8_t* getFrameBuffer() const;
void copyGrayscaleBuffers(const uint8_t* lsbBuffer, const uint8_t* msbBuffer);
void copyGrayscaleLsbBuffers(const uint8_t* lsbBuffer);
void copyGrayscaleMsbBuffers(const uint8_t* msbBuffer);
void cleanupGrayscaleBuffers(const uint8_t* bwBuffer);
void displayGrayBuffer();
private:
EInkDisplay einkDisplay;
};