143 lines
5.5 KiB
C++
143 lines
5.5 KiB
C++
#include <HalDisplay.h>
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#include <HalGPIO.h>
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// Global HalDisplay instance
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HalDisplay display;
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#define SD_SPI_MISO 7
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HalDisplay::HalDisplay() : einkDisplay(EPD_SCLK, EPD_MOSI, EPD_CS, EPD_DC, EPD_RST, EPD_BUSY) {}
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HalDisplay::~HalDisplay() {}
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void HalDisplay::begin(bool seamless) {
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// Set X3-specific panel mode before initializing.
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if (gpio.deviceIsX3()) {
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einkDisplay.setDisplayX3();
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}
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einkDisplay.begin();
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if (seamless) {
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// Defuse the SDK's X3 _x3InitialFullSyncsRemaining counter (no-op on X4)
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// so the first paint isn't promoted to FULL (~770ms). Skips the wakeup-
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// gated requestResync() below for the same reason.
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einkDisplay.skipInitialResync();
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return;
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}
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// Request resync after specific wakeup events to ensure clean display state.
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const auto wakeupReason = gpio.getWakeupReason();
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if (wakeupReason == HalGPIO::WakeupReason::PowerButton || wakeupReason == HalGPIO::WakeupReason::AfterFlash ||
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wakeupReason == HalGPIO::WakeupReason::Other) {
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einkDisplay.requestResync();
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}
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}
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void HalDisplay::clearScreen(uint8_t color) const { einkDisplay.clearScreen(color); }
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void HalDisplay::drawImage(const uint8_t* imageData, uint16_t x, uint16_t y, uint16_t w, uint16_t h,
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bool fromProgmem) const {
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einkDisplay.drawImage(imageData, x, y, w, h, fromProgmem);
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}
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void HalDisplay::drawImageTransparent(const uint8_t* imageData, uint16_t x, uint16_t y, uint16_t w, uint16_t h,
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bool fromProgmem) const {
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einkDisplay.drawImageTransparent(imageData, x, y, w, h, fromProgmem);
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}
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EInkDisplay::RefreshMode convertRefreshMode(HalDisplay::RefreshMode mode) {
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switch (mode) {
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case HalDisplay::FULL_REFRESH:
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return EInkDisplay::FULL_REFRESH;
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case HalDisplay::HALF_REFRESH:
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return EInkDisplay::HALF_REFRESH;
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case HalDisplay::FAST_REFRESH:
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default:
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return EInkDisplay::FAST_REFRESH;
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}
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}
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void HalDisplay::displayBuffer(HalDisplay::RefreshMode mode, bool turnOffScreen) {
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if (gpio.deviceIsX3() && mode == RefreshMode::HALF_REFRESH) {
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einkDisplay.requestResync(1);
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}
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einkDisplay.displayBuffer(convertRefreshMode(mode), turnOffScreen);
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}
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void HalDisplay::displayBufferAsync(HalDisplay::RefreshMode mode) {
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if (gpio.deviceIsX3() && mode == RefreshMode::HALF_REFRESH) {
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einkDisplay.requestResync(1);
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}
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einkDisplay.displayBufferAsyncNoShadow(convertRefreshMode(mode));
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}
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void HalDisplay::waitRefreshComplete() { einkDisplay.waitRefreshComplete(); }
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bool HalDisplay::supportsAsyncRefresh() const { return einkDisplay.supportsAsyncRefresh(); }
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void HalDisplay::refreshDisplay(HalDisplay::RefreshMode mode, bool turnOffScreen) {
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if (gpio.deviceIsX3() && mode == RefreshMode::HALF_REFRESH) {
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einkDisplay.requestResync(1);
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}
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einkDisplay.refreshDisplay(convertRefreshMode(mode), turnOffScreen);
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}
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void HalDisplay::deepSleep() { einkDisplay.deepSleep(); }
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uint8_t* HalDisplay::getFrameBuffer() const { return einkDisplay.getFrameBuffer(); }
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uint8_t* HalDisplay::lendFrameBufferStorage(uint32_t* sizeOut) { return einkDisplay.lendBuildStorage(sizeOut); }
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void HalDisplay::returnFrameBufferStorage() { einkDisplay.returnBuildStorage(); }
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void HalDisplay::copyGrayscaleBuffers(const uint8_t* lsbBuffer, const uint8_t* msbBuffer) {
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einkDisplay.copyGrayscaleBuffers(lsbBuffer, msbBuffer);
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}
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void HalDisplay::displayGrayscaleBase(RefreshMode fallback, bool turnOffScreen) {
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// X3: a HALF fallback means the caller wants a clean base (e.g. the sleep
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// cover, a full-screen swap from arbitrary prior content). Without this, the
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// X3 grayscale base takes its gentle differential happy path and the prior
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// home/reader frame ghosts through the soft aa_pre_bw_mid waveform. Forcing a
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// resync makes displayGrayscaleBase clear first, matching displayBuffer(HALF).
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// The reader's FAST path is deliberately left on the differential path so
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// per-page grayscale stays cheap.
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if (gpio.deviceIsX3() && fallback == RefreshMode::HALF_REFRESH) {
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einkDisplay.requestResync(1);
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}
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einkDisplay.displayGrayscaleBase(convertRefreshMode(fallback), turnOffScreen);
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}
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void HalDisplay::preconditionGrayscale() { einkDisplay.preconditionGrayscale(); }
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void HalDisplay::preconditionGrayscale(uint16_t x, uint16_t y, uint16_t w, uint16_t h) {
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einkDisplay.preconditionGrayscale(x, y, w, h);
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}
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void HalDisplay::copyGrayscaleLsbBuffers(const uint8_t* lsbBuffer) { einkDisplay.copyGrayscaleLsbBuffers(lsbBuffer); }
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void HalDisplay::copyGrayscaleMsbBuffers(const uint8_t* msbBuffer) { einkDisplay.copyGrayscaleMsbBuffers(msbBuffer); }
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void HalDisplay::cleanupGrayscaleBuffers(const uint8_t* bwBuffer) { einkDisplay.cleanupGrayscaleBuffers(bwBuffer); }
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void HalDisplay::displayGrayBuffer(bool turnOffScreen) { einkDisplay.displayGrayBuffer(turnOffScreen); }
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void HalDisplay::writeGrayscalePlaneStrip(bool lsbPlane, const uint8_t* rows, uint16_t yStart, uint16_t numRows) {
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einkDisplay.writeGrayscalePlaneStrip(lsbPlane ? EInkDisplay::GRAY_PLANE_LSB : EInkDisplay::GRAY_PLANE_MSB, rows,
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yStart, numRows);
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}
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bool HalDisplay::supportsStripGrayscale() const { return einkDisplay.supportsStripGrayscale(); }
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uint16_t HalDisplay::getDisplayWidth() const { return einkDisplay.getDisplayWidth(); }
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uint16_t HalDisplay::getDisplayHeight() const { return einkDisplay.getDisplayHeight(); }
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uint16_t HalDisplay::getDisplayWidthBytes() const { return einkDisplay.getDisplayWidthBytes(); }
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uint32_t HalDisplay::getBufferSize() const { return einkDisplay.getBufferSize(); }
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