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feat: add Xteink X3 hardware support

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Adds HAL-level support for the Xteink X3 (SSD1677 controller, 792x528
display). Includes device detection, display initialization, button
mapping, power management, and theme adjustments for the X3 form factor.
This commit is contained in:
Justin Mitchell
2026-04-03 04:04:17 -04:00
parent aa085425af
commit 0db9d93f1c
16 changed files with 564 additions and 132 deletions
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lib/JpegToBmpConverter/JpegToBmpConverter.cpp
+6 -4
View File
@@ -1,5 +1,6 @@
#include "JpegToBmpConverter.h"
#include <HalDisplay.h>
#include <HalStorage.h>
#include <Logging.h>
#include <picojpeg.h>
@@ -26,9 +27,7 @@ constexpr bool USE_ATKINSON = true; // Atkinson dithering (cleaner than
constexpr bool USE_FLOYD_STEINBERG = false; // Floyd-Steinberg error diffusion (can cause "worm" artifacts)
constexpr bool USE_NOISE_DITHERING = false; // Hash-based noise dithering (good for downsampling)
// Pre-resize to target display size (CRITICAL: avoids dithering artifacts from post-downsampling)
constexpr bool USE_PRESCALE = true; // true: scale image to target size before dithering
constexpr int TARGET_MAX_WIDTH = 480; // Max width for cover images (portrait display width)
constexpr int TARGET_MAX_HEIGHT = 800; // Max height for cover images (portrait display height)
constexpr bool USE_PRESCALE = true; // true: scale image to target size before dithering
// ============================================================================
inline void write16(Print& out, const uint16_t value) {
@@ -559,7 +558,10 @@ bool JpegToBmpConverter::jpegFileToBmpStreamInternal(FsFile& jpegFile, Print& bm
// Core function: Convert JPEG file to 2-bit BMP (uses default target size)
bool JpegToBmpConverter::jpegFileToBmpStream(FsFile& jpegFile, Print& bmpOut, bool crop) {
return jpegFileToBmpStreamInternal(jpegFile, bmpOut, TARGET_MAX_WIDTH, TARGET_MAX_HEIGHT, false, crop);
// Use runtime display dimensions (swapped for portrait cover sizing)
const int targetWidth = display.getDisplayHeight();
const int targetHeight = display.getDisplayWidth();
return jpegFileToBmpStreamInternal(jpegFile, bmpOut, targetWidth, targetHeight, false, crop);
}
// Convert with custom target size (for thumbnails, 2-bit)