revert file

Removed redundant line continuation in preprocessor directives.

.github/workflows/pr_enforce_labels.yml

@@ -17,7 +17,7 @@ jobs:
         with:
           script: |
             const labels = context.payload.pull_request.labels.map(label => label.name);
-            const requiredLabels = ['bugfix', 'enhancement', 'hardware-support', 'dependencies', 'submodules', 'github_actions', 'trunk'];
+            const requiredLabels = ['bugfix', 'enhancement', 'hardware-support', 'dependencies', 'submodules', 'github_actions', 'trunk', 'cleanup'];
             const hasRequiredLabel = labels.some(label => requiredLabels.includes(label));
             if (!hasRequiredLabel) {
               core.setFailed(`PR must have at least one of the following labels before it can be merged: ${requiredLabels.join(', ')}.`);

.github/workflows/stale_bot.yml

@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Stale PR+Issues
-        uses: actions/stale@v10.1.0
+        uses: actions/stale@v10.1.1
         with:
           days-before-stale: 45
           stale-issue-message: This issue has not had any comment or update in the last month. If it is still relevant, please post update comments. If no comments are made, this issue will be closed automagically in 7 days.

.github/workflows/test_native.yml

@@ -143,7 +143,7 @@ jobs:
           merge-multiple: true
 
       - name: Test Report
-        uses: dorny/test-reporter@v2.2.0
+        uses: dorny/test-reporter@v2.3.0
         with:
           name: PlatformIO Tests
           path: testreport.xml

.trunk/trunk.yaml

@@ -4,31 +4,31 @@ cli:
 plugins:
   sources:
     - id: trunk
-      ref: v1.7.3
+      ref: v1.7.4
       uri: https://github.com/trunk-io/plugins
 lint:
   enabled:
-    - checkov@3.2.492
-    - renovate@42.5.4
-    - prettier@3.6.2
-    - trufflehog@3.90.13
+    - checkov@3.2.495
+    - renovate@42.30.4
+    - prettier@3.7.4
+    - trufflehog@3.91.2
     - yamllint@1.37.1
-    - bandit@1.8.6
+    - bandit@1.9.2
     - trivy@0.67.2
     - taplo@0.10.0
-    - ruff@0.14.4
+    - ruff@0.14.7
     - isort@7.0.0
-    - markdownlint@0.45.0
+    - markdownlint@0.46.0
     - oxipng@9.1.5
     - svgo@4.0.0
-    - actionlint@1.7.8
+    - actionlint@1.7.9
     - flake8@7.3.0
     - hadolint@2.14.0
     - shfmt@3.6.0
     - shellcheck@0.11.0
     - black@25.11.0
     - git-diff-check
-    - gitleaks@8.29.0
+    - gitleaks@8.30.0
     - clang-format@16.0.3
   ignore:
     - linters: [ALL]

alpine.Dockerfile

@@ -28,7 +28,7 @@ RUN bash ./bin/build-native.sh "$PIO_ENV" && \
 
 # ##### PRODUCTION BUILD #############
 
-FROM alpine:3.22
+FROM alpine:3.23
 LABEL org.opencontainers.image.title="Meshtastic" \
       org.opencontainers.image.description="Alpine Meshtastic daemon" \
       org.opencontainers.image.url="https://meshtastic.org" \

arch/esp32/esp32.ini

@@ -57,7 +57,7 @@ lib_deps =
   # renovate: datasource=git-refs depName=libpax packageName=https://github.com/dbinfrago/libpax gitBranch=master
   https://github.com/dbinfrago/libpax/archive/3cdc0371c375676a97967547f4065607d4c53fd1.zip
   # renovate: datasource=github-tags depName=XPowersLib packageName=lewisxhe/XPowersLib
-  https://github.com/lewisxhe/XPowersLib/archive/v0.3.1.zip
+  https://github.com/lewisxhe/XPowersLib/archive/v0.3.2.zip
   # renovate: datasource=git-refs depName=meshtastic-ESP32_Codec2 packageName=https://github.com/meshtastic/ESP32_Codec2 gitBranch=master
   https://github.com/meshtastic/ESP32_Codec2/archive/633326c78ac251c059ab3a8c430fcdf25b41672f.zip
   # renovate: datasource=custom.pio depName=rweather/Crypto packageName=rweather/library/Crypto

arch/esp32/esp32c6.ini

@@ -28,7 +28,7 @@ lib_deps =
   ${environmental_extra.lib_deps}
   ${radiolib_base.lib_deps}
   # renovate: datasource=custom.pio depName=XPowersLib packageName=lewisxhe/library/XPowersLib
-  lewisxhe/XPowersLib@0.3.1
+  lewisxhe/XPowersLib@0.3.2
   # renovate: datasource=git-refs depName=meshtastic-ESP32_Codec2 packageName=https://github.com/meshtastic/ESP32_Codec2 gitBranch=master
   https://github.com/meshtastic/ESP32_Codec2/archive/633326c78ac251c059ab3a8c430fcdf25b41672f.zip
   # renovate: datasource=custom.pio depName=rweather/Crypto packageName=rweather/library/Crypto

arch/stm32/stm32.ini

@@ -2,7 +2,7 @@
 extends = arduino_base
 platform =
   # renovate: datasource=custom.pio depName=platformio/ststm32 packageName=platformio/platform/ststm32
-  platformio/ststm32@19.3.0
+  platformio/ststm32@19.4.0
 platform_packages =
   # TODO renovate
   platformio/framework-arduinoststm32@https://github.com/stm32duino/Arduino_Core_STM32/archive/2.10.1.zip

bin/analyze_map.py

@@ -0,0 +1,165 @@
+#!/usr/bin/env python3
+"""Summarise linker map output to highlight heavy object files and libraries.
+
+Usage:
+    python bin/analyze_map.py --map .pio/build/rak4631/output.map --top 20
+
+The script parses GNU ld map files and aggregates section sizes per object file
+and per archive/library, then prints sortable tables that make it easy to spot
+modules worth trimming or hiding behind feature flags.
+"""
+from __future__ import annotations
+
+import argparse
+import collections
+import os
+import re
+import sys
+from typing import DefaultDict, Dict, Tuple
+
+
+SECTION_LINE_RE = re.compile(r"^\s+(?P<section>\S+)\s+0x[0-9A-Fa-f]+\s+0x(?P<size>[0-9A-Fa-f]+)\s+(?P<object>.+)$")
+ARCHIVE_MEMBER_RE = re.compile(r"^(?P<archive>.+)\((?P<object>[^)]+)\)$")
+
+
+def human_size(num_bytes: int) -> str:
+    """Return a friendly size string with one decimal place."""
+    if num_bytes < 1024:
+        return f"{num_bytes:,} B"
+    num = float(num_bytes)
+    for unit in ("KB", "MB", "GB"):
+        num /= 1024.0
+        if num < 1024.0:
+            return f"{num:.1f} {unit}"
+    return f"{num:.1f} TB"
+
+
+def shorten_path(path: str, root: str) -> str:
+    """Prefer repository-relative paths for readability."""
+    path = path.strip()
+    if not path:
+        return path
+
+    # Normalise Windows archives (backslashes) to POSIX style for consistency.
+    path = path.replace("\\", "/")
+
+    # Attempt to strip the root when an absolute path lives inside the repo.
+    if os.path.isabs(path):
+        try:
+            rel = os.path.relpath(path, root)
+            if not rel.startswith(".."):
+                return rel
+        except ValueError:
+            # relpath can fail on mixed drives on Windows; fall back to basename.
+            pass
+    return path
+
+
+def describe_object(raw_object: str, root: str) -> Tuple[str, str]:
+    """Return a human friendly object label and the library it belongs to."""
+    raw_object = raw_object.strip()
+    lib_label = "[app]"
+    match = ARCHIVE_MEMBER_RE.match(raw_object)
+    if match:
+        archive = shorten_path(match.group("archive"), root)
+        obj = match.group("object")
+        lib_label = os.path.basename(archive) or archive
+        label = f"{archive}:{obj}"
+    else:
+        label = shorten_path(raw_object, root)
+        # If the object lives under libs, hint at the containing directory.
+        parent = os.path.basename(os.path.dirname(label))
+        if parent:
+            lib_label = parent
+    return label, lib_label
+
+
+def parse_map(map_path: str, repo_root: str) -> Tuple[Dict[str, int], Dict[str, int], Dict[str, Dict[str, int]]]:
+    per_object: DefaultDict[str, int] = collections.defaultdict(int)
+    per_library: DefaultDict[str, int] = collections.defaultdict(int)
+    per_object_sections: DefaultDict[str, DefaultDict[str, int]] = collections.defaultdict(lambda: collections.defaultdict(int))
+
+    try:
+        with open(map_path, "r", encoding="utf-8", errors="ignore") as handle:
+            for line in handle:
+                match = SECTION_LINE_RE.match(line)
+                if not match:
+                    continue
+
+                section = match.group("section")
+                if section.startswith("*") or section in {"LOAD", "ORIGIN"}:
+                    continue
+
+                size = int(match.group("size"), 16)
+                if size == 0:
+                    continue
+
+                obj_token = match.group("object").strip()
+                if not obj_token or obj_token.startswith("*") or "load address" in obj_token:
+                    continue
+
+                label, lib_label = describe_object(obj_token, repo_root)
+                per_object[label] += size
+                per_library[lib_label] += size
+                per_object_sections[label][section] += size
+    except FileNotFoundError:
+        raise SystemExit(f"error: map file '{map_path}' not found. Run a build first.")
+
+    return per_object, per_library, per_object_sections
+
+
+def format_section_breakdown(section_sizes: Dict[str, int], total: int, limit: int = 3) -> str:
+    items = sorted(section_sizes.items(), key=lambda kv: kv[1], reverse=True)
+    parts = []
+    for section, size in items[:limit]:
+        pct = (size / total) * 100 if total else 0
+        parts.append(f"{section} {pct:.1f}%")
+    if len(items) > limit:
+        remainder = total - sum(size for _, size in items[:limit])
+        pct = (remainder / total) * 100 if total else 0
+        parts.append(f"other {pct:.1f}%")
+    return ", ".join(parts)
+
+
+def print_report(map_path: str, top_n: int, per_object: Dict[str, int], per_library: Dict[str, int], per_object_sections: Dict[str, Dict[str, int]]):
+    total_bytes = sum(per_object.values())
+    if total_bytes == 0:
+        print("No section data found in map file.")
+        return
+
+    print(f"Map file: {map_path}")
+    print(f"Accounted size: {human_size(total_bytes)} across {len(per_object)} object files\n")
+
+    sorted_objects = sorted(per_object.items(), key=lambda kv: kv[1], reverse=True)
+    print(f"Top {min(top_n, len(sorted_objects))} object files by linked size:")
+    for idx, (obj, size) in enumerate(sorted_objects[:top_n], 1):
+        pct = (size / total_bytes) * 100
+        breakdown = format_section_breakdown(per_object_sections[obj], size)
+        print(f"{idx:2}. {human_size(size):>9}  ({size:,} B, {pct:5.2f}% of linked size)")
+        print(f"    {obj}")
+        if breakdown:
+            print(f"    sections: {breakdown}")
+    print()
+
+    sorted_libs = sorted(per_library.items(), key=lambda kv: kv[1], reverse=True)
+    print(f"Top {min(top_n, len(sorted_libs))} libraries or source roots:")
+    for idx, (lib, size) in enumerate(sorted_libs[:top_n], 1):
+        pct = (size / total_bytes) * 100
+        print(f"{idx:2}. {human_size(size):>9}  ({size:,} B, {pct:5.2f}% of linked size)  {lib}")
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(description="Highlight heavy object files from a GNU ld map file.")
+    parser.add_argument("--map", default=".pio/build/rak4631/output.map", help="Path to the map file (default: %(default)s)")
+    parser.add_argument("--top", type=int, default=20, help="Number of entries to display per table (default: %(default)s)")
+    args = parser.parse_args()
+
+    map_path = os.path.abspath(args.map)
+    repo_root = os.path.abspath(os.getcwd())
+
+    per_object, per_library, per_object_sections = parse_map(map_path, repo_root)
+    print_report(os.path.relpath(map_path, repo_root), args.top, per_object, per_library, per_object_sections)
+
+
+if __name__ == "__main__":
+    main()

boards/t5-epaper-s3.json

@@ -0,0 +1,38 @@
+{
+  "build": {
+    "arduino": {
+      "ldscript": "esp32s3_out.ld",
+      "memory_type": "qio_opi",
+      "partitions": "default_16MB.csv"
+    },
+    "core": "esp32",
+    "extra_flags": [
+      "-DBOARD_HAS_PSRAM",
+      "-DARDUINO_RUNNING_CORE=1",
+      "-DARDUINO_EVENT_RUNNING_CORE=0",
+      "-DARDUINO_USB_CDC_ON_BOOT=1",
+      "-DARDUINO_USB_MODE=1"
+    ],
+    "f_cpu": "240000000L",
+    "f_flash": "80000000L",
+    "flash_mode": "qio",
+    "hwids": [["0x303A", "0x1001"]],
+    "mcu": "esp32s3",
+    "variant": "esp32s3"
+  },
+  "connectivity": ["wifi", "bluetooth", "lora"],
+  "debug": {
+    "openocd_target": "esp32s3.cfg"
+  },
+  "frameworks": ["arduino", "espidf"],
+  "name": "LilyGo T5-ePaper-S3",
+  "upload": {
+    "flash_size": "16MB",
+    "maximum_ram_size": 327680,
+    "maximum_size": 16777216,
+    "require_upload_port": true,
+    "speed": 921600
+  },
+  "url": "https://lilygo.cc/products/t5-e-paper-s3-pro",
+  "vendor": "LILYGO"
+}

meshtasticd.spec.rpkg

@@ -33,7 +33,6 @@ BuildRequires: python3dist(grpcio[protobuf])
 BuildRequires: python3dist(grpcio-tools)
 BuildRequires: git-core
 BuildRequires: gcc-c++
-BuildRequires: (glibc-devel >= 2.38) or pkgconfig(libbsd-overlay)
 BuildRequires: pkgconfig(yaml-cpp)
 BuildRequires: pkgconfig(libgpiod)
 BuildRequires: pkgconfig(bluez)

platformio.ini

@@ -90,7 +90,7 @@ framework = arduino
 lib_deps =
 	${env.lib_deps}
 	# renovate: datasource=custom.pio depName=NonBlockingRTTTL packageName=end2endzone/library/NonBlockingRTTTL
-	end2endzone/NonBlockingRTTTL@1.3.0
+	end2endzone/NonBlockingRTTTL@1.4.0
 build_flags = ${env.build_flags} -Os
 build_src_filter = ${env.build_src_filter} -<platform/portduino/> -<graphics/niche/>
 
@@ -121,7 +121,7 @@ lib_deps =
 [device-ui_base]
 lib_deps =
 	# renovate: datasource=git-refs depName=meshtastic/device-ui packageName=https://github.com/meshtastic/device-ui gitBranch=master
-	https://github.com/meshtastic/device-ui/archive/28167c67dfd13015a0b5eef1828f95fe8e3ab7c3.zip
+	https://github.com/meshtastic/device-ui/archive/4fb5f24787caa841b58dbf623a52c4c5861d6722.zip
 
 ; Common libs for environmental measurements in telemetry module
 [environmental_base]
@@ -169,7 +169,7 @@ lib_deps =
 	# renovate: datasource=git-refs depName=DFRobot_RainfallSensor packageName=https://github.com/DFRobot/DFRobot_RainfallSensor gitBranch=master
 	https://github.com/DFRobot/DFRobot_RainfallSensor/archive/38fea5e02b40a5430be6dab39a99a6f6347d667e.zip
 	# renovate: datasource=custom.pio depName=INA226 packageName=robtillaart/library/INA226
-	robtillaart/INA226@0.6.4
+	robtillaart/INA226@0.6.5
 	# renovate: datasource=custom.pio depName=SparkFun MAX3010x packageName=sparkfun/library/SparkFun MAX3010x Pulse and Proximity Sensor Library
 	sparkfun/SparkFun MAX3010x Pulse and Proximity Sensor Library@1.1.2
 	# renovate: datasource=custom.pio depName=SparkFun 9DoF IMU Breakout ICM 20948 packageName=sparkfun/library/SparkFun 9DoF IMU Breakout - ICM 20948 - Arduino Library
@@ -213,6 +213,6 @@ lib_deps =
 	# renovate: datasource=git-refs depName=meshtastic-DFRobot_LarkWeatherStation packageName=https://github.com/meshtastic/DFRobot_LarkWeatherStation gitBranch=master
 	https://github.com/meshtastic/DFRobot_LarkWeatherStation/archive/4de3a9cadef0f6a5220a8a906cf9775b02b0040d.zip
 	# renovate: datasource=custom.pio depName=Sensirion Core packageName=sensirion/library/Sensirion Core
-	sensirion/Sensirion Core@0.7.1
+	sensirion/Sensirion Core@0.7.2
 	# renovate: datasource=custom.pio depName=Sensirion I2C SCD4x packageName=sensirion/library/Sensirion I2C SCD4x
 	sensirion/Sensirion I2C SCD4x@1.1.0

src/Power.cpp

@@ -707,7 +707,6 @@ bool Power::setup()
         []() {
             power->setIntervalFromNow(0);
             runASAP = true;
-            BaseType_t higherWake = 0;
         },
         CHANGE);
 #endif
@@ -717,7 +716,6 @@ bool Power::setup()
         []() {
             power->setIntervalFromNow(0);
             runASAP = true;
-            BaseType_t higherWake = 0;
         },
         CHANGE);
 #endif
@@ -777,7 +775,7 @@ void Power::shutdown()
     if (screen) {
 #ifdef T_DECK_PRO
         screen->showSimpleBanner("Device is powered off.\nConnect USB to start!", 0); // T-Deck Pro has no power button
-#elif USE_EINK
+#elif defined(USE_EINK)
         screen->showSimpleBanner("Shutting Down...", 2250); // dismiss after 3 seconds to avoid the banner on the sleep screen
 #else
         screen->showSimpleBanner("Shutting Down...", 0); // stays on screen

src/configuration.h

@@ -250,8 +250,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // Touchscreen
 // -----------------------------------------------------------------------------
 #define FT6336U_ADDR 0x48
-#define CST328_ADDR 0x1A
+#define CST328_ADDR 0x1A // same address as CST226SE
 #define CHSC6X_ADDR 0x2E
+#define CST226SE_ADDR_ALT 0x5A
 
 // -----------------------------------------------------------------------------
 // RAK12035VB Soil Monitor (using RAK12023 up to 3 RAK12035 monitors can be connected)

src/detect/ScanI2C.h

@@ -85,7 +85,8 @@ class ScanI2C
         DRV2605,
         BH1750,
         DA217,
-        CHSC6X
+        CHSC6X,
+        CST226SE
     } DeviceType;
 
     // typedef uint8_t DeviceAddress;

src/detect/ScanI2CTwoWire.cpp

@@ -499,7 +499,18 @@ void ScanI2CTwoWire::scanPort(I2CPort port, uint8_t *address, uint8_t asize)
                 SCAN_SIMPLE_CASE(DFROBOT_RAIN_ADDR, DFROBOT_RAIN, "DFRobot Rain Gauge", (uint8_t)addr.address);
                 SCAN_SIMPLE_CASE(LTR390UV_ADDR, LTR390UV, "LTR390UV", (uint8_t)addr.address);
                 SCAN_SIMPLE_CASE(PCT2075_ADDR, PCT2075, "PCT2075", (uint8_t)addr.address);
-                SCAN_SIMPLE_CASE(CST328_ADDR, CST328, "CST328", (uint8_t)addr.address);
+            case CST328_ADDR:
+                // Do we have the CST328 or the CST226SE
+                registerValue = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0xAB), 1);
+                if (registerValue == 0xA9) {
+                    type = CST226SE;
+                    logFoundDevice("CST226SE", (uint8_t)addr.address);
+                } else {
+                    type = CST328;
+                    logFoundDevice("CST328", (uint8_t)addr.address);
+                }
+                break;
+
                 SCAN_SIMPLE_CASE(CHSC6X_ADDR, CHSC6X, "CHSC6X", (uint8_t)addr.address);
             case LTR553ALS_ADDR:
                 registerValue = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0x86), 1); // Part ID register
@@ -528,8 +539,12 @@ void ScanI2CTwoWire::scanPort(I2CPort port, uint8_t *address, uint8_t asize)
 #endif
 
             case MLX90614_ADDR_DEF:
-                registerValue = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0x0e), 1);
-                if (registerValue == 0x5a) {
+                // Do we have the MLX90614 or the MPR121KB or the CST226SE
+                registerValue = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0x06), 1);
+                if (registerValue == 0xAB) {
+                    type = CST226SE;
+                    logFoundDevice("CST226SE", (uint8_t)addr.address);
+                } else if (getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0x0e), 1) == 0x5a) {
                     type = MLX90614;
                     logFoundDevice("MLX90614", (uint8_t)addr.address);
                 } else {

src/graphics/EInkDisplay2.cpp

@@ -1,6 +1,6 @@
 #include "configuration.h"
 
-#ifdef USE_EINK
+#if defined(USE_EINK) && !defined(USE_EINK_PARALLELDISPLAY)
 #include "EInkDisplay2.h"
 #include "SPILock.h"
 #include "main.h"

src/graphics/EInkDisplay2.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#ifdef USE_EINK
+#if defined(USE_EINK) && !defined(USE_EINK_PARALLELDISPLAY)
 
 #include "GxEPD2_BW.h"
 #include <OLEDDisplay.h>

src/graphics/EInkParallelDisplay.cpp

@@ -0,0 +1,424 @@
+#include "EInkParallelDisplay.h"
+
+#ifdef USE_EINK_PARALLELDISPLAY
+
+#include "Wire.h"
+#include "variant.h"
+#include <Arduino.h>
+#include <atomic>
+#include <stdlib.h>
+#include <string.h>
+
+#include "FastEPD.h"
+
+// Thresholds for choosing partial vs full update
+#ifndef EPD_PARTIAL_THRESHOLD_ROWS
+#define EPD_PARTIAL_THRESHOLD_ROWS 128 // if changed region <= this many rows, prefer partial
+#endif
+#ifndef EPD_FULLSLOW_PERIOD
+#define EPD_FULLSLOW_PERIOD 100 // every N full updates do a slow (CLEAR_SLOW) full refresh
+#endif
+#ifndef EPD_RESPONSIVE_MIN_MS
+#define EPD_RESPONSIVE_MIN_MS 1000 // simple rate-limit (ms) for responsive updates
+#endif
+
+EInkParallelDisplay::EInkParallelDisplay(uint16_t width, uint16_t height, EpdRotation rot) : epaper(nullptr), rotation(rot)
+{
+    LOG_INFO("init EInkParallelDisplay");
+    // Set dimensions in OLEDDisplay base class
+    this->geometry = GEOMETRY_RAWMODE;
+    this->displayWidth = width;
+    this->displayHeight = height;
+
+    // Round shortest side up to nearest byte, to prevent truncation causing an undersized buffer
+    uint16_t shortSide = min(width, height);
+    uint16_t longSide = max(width, height);
+    if (shortSide % 8 != 0)
+        shortSide = (shortSide | 7) + 1;
+
+    this->displayBufferSize = longSide * (shortSide / 8);
+
+#ifdef EINK_LIMIT_GHOSTING_PX
+    // allocate dirty pixel buffer same size as epaper buffers (rowBytes * height)
+    size_t rowBytes = (this->displayWidth + 7) / 8;
+    dirtyPixelsSize = rowBytes * this->displayHeight;
+    dirtyPixels = (uint8_t *)calloc(dirtyPixelsSize, 1);
+    ghostPixelCount = 0;
+#endif
+}
+
+EInkParallelDisplay::~EInkParallelDisplay()
+{
+#ifdef EINK_LIMIT_GHOSTING_PX
+    if (dirtyPixels) {
+        free(dirtyPixels);
+        dirtyPixels = nullptr;
+    }
+#endif
+    // If an async full update is running, wait for it to finish
+    if (asyncFullRunning.load()) {
+        // wait a short while for task to finish
+        for (int i = 0; i < 50 && asyncFullRunning.load(); ++i) {
+            delay(50);
+        }
+        if (asyncTaskHandle) {
+            // Let it finish or delete it
+            vTaskDelete(asyncTaskHandle);
+            asyncTaskHandle = nullptr;
+        }
+    }
+
+    delete epaper;
+}
+
+/*
+ * Called by the OLEDDisplay::init() path.
+ */
+bool EInkParallelDisplay::connect()
+{
+    LOG_INFO("Do EPD init");
+    if (!epaper) {
+        epaper = new FASTEPD;
+#if defined(T5_S3_EPAPER_PRO_V1)
+        epaper->initPanel(BB_PANEL_LILYGO_T5PRO, 28000000);
+#elif defined(T5_S3_EPAPER_PRO_V2)
+        epaper->initPanel(BB_PANEL_LILYGO_T5PRO_V2, 28000000);
+        epaper->ioPinMode(0, OUTPUT);
+        epaper->ioWrite(0, HIGH);
+#else
+#error "unsupported EPD device!"
+#endif
+    }
+
+    // epaper->setRotation(rotation); // does not work, messes up width/height
+    epaper->setMode(BB_MODE_1BPP);
+    epaper->clearWhite();
+    epaper->fullUpdate(true);
+
+#ifdef EINK_LIMIT_GHOSTING_PX
+    // After a full/clear the dirty tracking should be reset
+    resetGhostPixelTracking();
+#endif
+
+    return true;
+}
+
+/*
+ * sendCommand - simple passthrough (not required for epd_driver-based path)
+ */
+void EInkParallelDisplay::sendCommand(uint8_t com)
+{
+    LOG_DEBUG("EInkParallelDisplay::sendCommand %d", (int)com);
+}
+
+/*
+ * Start a background task that will perform a blocking fullUpdate(). This lets
+ * display() return quickly while the heavy refresh runs in the background.
+ */
+void EInkParallelDisplay::startAsyncFullUpdate(int clearMode)
+{
+    if (asyncFullRunning.load())
+        return; // already running
+
+    asyncFullRunning.store(true);
+    // pass 'this' as parameter
+    BaseType_t rc = xTaskCreatePinnedToCore(EInkParallelDisplay::asyncFullUpdateTask, "epd_full", 4096 / sizeof(StackType_t),
+                                            this, 2, &asyncTaskHandle,
+#if CONFIG_FREERTOS_UNICORE
+                                            0
+#else
+                                            1
+#endif
+    );
+    if (rc != pdPASS) {
+        LOG_WARN("Failed to create async full-update task, falling back to blocking update");
+        epaper->fullUpdate(clearMode, false);
+        epaper->backupPlane();
+        asyncFullRunning.store(false);
+        asyncTaskHandle = nullptr;
+    }
+}
+
+/*
+ * FreeRTOS task entry: runs the full update and then backs up plane.
+ */
+void EInkParallelDisplay::asyncFullUpdateTask(void *pvParameters)
+{
+    EInkParallelDisplay *self = static_cast<EInkParallelDisplay *>(pvParameters);
+    if (!self) {
+        vTaskDelete(nullptr);
+        return;
+    }
+
+    // choose CLEAR_SLOW occasionally
+    int clearMode = CLEAR_FAST;
+    if (self->fastRefreshCount >= EPD_FULLSLOW_PERIOD) {
+        clearMode = CLEAR_SLOW;
+        self->fastRefreshCount = 0;
+    } else {
+        // when running async full, treat it as a full so reset fast count
+        self->fastRefreshCount = 0;
+    }
+
+    self->epaper->fullUpdate(clearMode, false);
+    self->epaper->backupPlane();
+
+#ifdef EINK_LIMIT_GHOSTING_PX
+    // A full refresh clears ghosting state
+    self->resetGhostPixelTracking();
+#endif
+
+    self->asyncFullRunning.store(false);
+    self->asyncTaskHandle = nullptr;
+
+    // delete this task
+    vTaskDelete(nullptr);
+}
+
+/*
+ * Convert the OLEDDisplay buffer (vertical byte layout) into the 1bpp horizontal-bytes
+ * buffer used by the FASTEPD library. For performance we write directly into FASTEPD's
+ * currentBuffer() while comparing against previousBuffer() to detect changed rows.
+ * After conversion we call FASTEPD::partialUpdate() or FASTEPD::fullUpdate() according
+ * to a heuristic so only the minimal region is refreshed.
+ */
+void EInkParallelDisplay::display(void)
+{
+    const uint16_t w = this->displayWidth;
+    const uint16_t h = this->displayHeight;
+
+    // Simple rate limiting: avoid very-frequent responsive updates
+    uint32_t nowMs = millis();
+    if (lastUpdateMs != 0 && (nowMs - lastUpdateMs) < EPD_RESPONSIVE_MIN_MS) {
+        LOG_DEBUG("rate-limited, skipping update");
+        return;
+    }
+
+    // bytes per row in epd format (one byte = 8 horizontal pixels)
+    const uint32_t rowBytes = (w + 7) / 8;
+
+    // Get pointers to internal buffers
+    uint8_t *cur = epaper->currentBuffer();
+    uint8_t *prev = epaper->previousBuffer(); // may be NULL on first init
+
+    // Track changed row range while converting
+    int newTop = h;     // min changed row (initialized to out-of-range)
+    int newBottom = -1; // max changed row
+
+#ifdef FAST_EPD_PARTIAL_UPDATE_BUG
+    // Track changed byte column range (for clipped fullUpdate fallback)
+    int newLeftByte = (int)rowBytes;
+    int newRightByte = -1;
+#endif
+
+    // Compute a quick hash of the incoming OLED buffer (so we can skip identical frames)
+    uint32_t imageHash = 0;
+    uint32_t bufBytes = (w / 8) * h; // vertical-byte layout size
+    for (uint32_t bi = 0; bi < bufBytes; ++bi) {
+        imageHash ^= ((uint32_t)buffer[bi]) << (bi & 31);
+    }
+    if (imageHash == previousImageHash) {
+        // LOG_DEBUG("image identical to previous, skipping update");
+        return;
+    }
+
+#ifdef EINK_LIMIT_GHOSTING_PX
+    // reset ghost count for this conversion pass; we'll mark bits that change
+    ghostPixelCount = 0;
+#endif
+
+    // Convert: OLED buffer layout -> FASTEPD 1bpp horizontal-bytes layout into cur,
+    // comparing against prev when available to detect changes.
+    for (uint32_t y = 0; y < h; ++y) {
+        const uint32_t base = (y >> 3) * w;               // (y/8) * width
+        const uint8_t bitMask = (uint8_t)(1u << (y & 7)); // mask for this row in vertical-byte layout
+        const uint32_t rowBase = y * rowBytes;
+
+        // process full 8-pixel bytes
+        for (uint32_t xb = 0; xb < rowBytes; ++xb) {
+            uint32_t x0 = xb * 8;
+            // read up to 8 source bytes (vertical-byte per column)
+            uint8_t b0 = (x0 + 0 < w) ? buffer[base + x0 + 0] : 0;
+            uint8_t b1 = (x0 + 1 < w) ? buffer[base + x0 + 1] : 0;
+            uint8_t b2 = (x0 + 2 < w) ? buffer[base + x0 + 2] : 0;
+            uint8_t b3 = (x0 + 3 < w) ? buffer[base + x0 + 3] : 0;
+            uint8_t b4 = (x0 + 4 < w) ? buffer[base + x0 + 4] : 0;
+            uint8_t b5 = (x0 + 5 < w) ? buffer[base + x0 + 5] : 0;
+            uint8_t b6 = (x0 + 6 < w) ? buffer[base + x0 + 6] : 0;
+            uint8_t b7 = (x0 + 7 < w) ? buffer[base + x0 + 7] : 0;
+
+            // build output byte: MSB = leftmost pixel
+            uint8_t out = 0;
+            out |= (uint8_t)((b0 & bitMask) ? 0x80 : 0x00);
+            out |= (uint8_t)((b1 & bitMask) ? 0x40 : 0x00);
+            out |= (uint8_t)((b2 & bitMask) ? 0x20 : 0x00);
+            out |= (uint8_t)((b3 & bitMask) ? 0x10 : 0x00);
+            out |= (uint8_t)((b4 & bitMask) ? 0x08 : 0x00);
+            out |= (uint8_t)((b5 & bitMask) ? 0x04 : 0x00);
+            out |= (uint8_t)((b6 & bitMask) ? 0x02 : 0x00);
+            out |= (uint8_t)((b7 & bitMask) ? 0x01 : 0x00);
+
+            // handle partial byte at end of row by masking off invalid bits
+            uint8_t mask = 0xFF;
+            uint32_t bitsRemain = (w > x0) ? (w - x0) : 0;
+            if (bitsRemain > 0 && bitsRemain < 8) {
+                mask = (uint8_t)(0xFF << (8 - bitsRemain));
+                out &= mask;
+            }
+
+            // invert to FASTEPD polarity
+            out = (~out) & mask;
+
+            uint32_t pos = rowBase + xb;
+            uint8_t prevVal = prev ? (prev[pos] & mask) : 0x00;
+            // Consider this byte changed if previous buffer differs (or prev is null)
+            bool changed = (prev == nullptr) || (prevVal != out);
+
+#ifdef EINK_LIMIT_GHOSTING_PX
+            if (changed && prev)
+                markDirtyBits(prev, pos, mask, out);
+#endif
+
+            // mark row changed only if the previous buffer differs
+            if (changed) {
+                if (y < (uint32_t)newTop)
+                    newTop = y;
+                if ((int)y > newBottom)
+                    newBottom = y;
+#ifdef FAST_EPD_PARTIAL_UPDATE_BUG
+                // record changed column bytes
+                if ((int)xb < newLeftByte)
+                    newLeftByte = (int)xb;
+                if ((int)xb > newRightByte)
+                    newRightByte = (int)xb;
+#endif
+            }
+
+            // Always write the computed value into the current buffer (avoid leaving stale bytes)
+            cur[pos] = (cur[pos] & ~mask) | out;
+        }
+    }
+
+    // If nothing changed, avoid any panel update
+    if (newBottom < 0) {
+        LOG_DEBUG("no pixel changes detected, skipping update (conv)");
+        previousImageHash = imageHash; // still remember that frame
+        return;
+    }
+
+    // Choose partial vs full update using heuristic
+    // Decide if we should force a full update after many fast updates
+    bool forceFull = (fastRefreshCount >= EPD_FULLSLOW_PERIOD);
+
+#ifdef EINK_LIMIT_GHOSTING_PX
+    // If ghost pixels exceed limit, force a full update to clear ghosting
+    if (ghostPixelCount > ghostPixelLimit) {
+        LOG_WARN("ghost pixels %u > limit %u, forcing full refresh", ghostPixelCount, ghostPixelLimit);
+        forceFull = true;
+    }
+#endif
+
+    // Compute pixel bounds from newTop/newBottom
+    int startRow = (newTop / 8) * 8;
+    int endRow = (newBottom / 8) * 8 + 7;
+
+    LOG_DEBUG("EPD update rows=%d..%d alignedRows=%d..%d rowBytes=%u", newTop, newBottom, startRow, endRow, rowBytes);
+
+    if (epaper->getMode() == BB_MODE_1BPP && !forceFull && (newBottom - newTop) <= EPD_PARTIAL_THRESHOLD_ROWS) {
+        // Prefer partial update path if driver is reliable; otherwise use clipped fullUpdate fallback.
+#ifdef FAST_EPD_PARTIAL_UPDATE_BUG
+        // Workaround for FastEPD partial update bug: use clipped fullUpdate instead
+        // Build a pixel rectangle for a clipped fullUpdate using the changed columns
+        int startCol = (newLeftByte <= newRightByte) ? (newLeftByte * 8) : 0;
+        int endCol = (newLeftByte <= newRightByte) ? ((newRightByte + 1) * 8 - 1) : (w - 1);
+
+        BB_RECT rect{startCol, startRow, endCol - startCol + 1, endRow - startRow + 1};
+        // LOG_DEBUG("Using clipped fullUpdate rect x=%d y=%d w=%d h=%d", rect.x, rect.y, rect.w, rect.h);
+        epaper->fullUpdate(CLEAR_FAST, false, &rect);
+#else
+        // Use rows for partial update
+        LOG_DEBUG("calling partialUpdate startRow=%d endRow=%d", startRow, endRow);
+        epaper->partialUpdate(true, startRow, endRow);
+#endif
+        epaper->backupPlane();
+        fastRefreshCount++;
+    } else {
+        // Full update: run async if possible (startAsyncFullUpdate will fall back to blocking)
+        startAsyncFullUpdate(forceFull ? CLEAR_SLOW : CLEAR_FAST);
+    }
+
+    lastUpdateMs = millis();
+    previousImageHash = imageHash;
+
+    // Keep same behavior as before
+    lastDrawMsec = millis();
+}
+
+#ifdef EINK_LIMIT_GHOSTING_PX
+// markDirtyBits: mark per-bit dirty flags and update ghostPixelCount
+void EInkParallelDisplay::markDirtyBits(const uint8_t *prevBuf, uint32_t pos, uint8_t mask, uint8_t out)
+{
+    // defensive: need dirtyPixels allocated and prevBuf valid
+    if (!dirtyPixels || !prevBuf)
+        return;
+
+    // 'out' is in FASTEPD polarity (1 = black, 0 = white)
+    uint8_t newBlack = out & mask;    // bits that will be black now
+    uint8_t newWhite = (~out) & mask; // bits that will be white now
+
+    // previously recorded dirty bits for this byte
+    uint8_t before = dirtyPixels[pos];
+
+    // Ghost bits: bits that were previously marked dirty and are now being driven white
+    uint8_t ghostBits = before & newWhite;
+    if (ghostBits) {
+        ghostPixelCount += __builtin_popcount((unsigned)ghostBits);
+    }
+
+    // Only mark bits dirty when they turn black now (accumulate until a full refresh)
+    uint8_t newlyDirty = newBlack & (~before);
+    if (newlyDirty) {
+        dirtyPixels[pos] |= newlyDirty;
+    }
+}
+
+// reset ghost tracking (call after a full refresh)
+void EInkParallelDisplay::resetGhostPixelTracking()
+{
+    if (!dirtyPixels)
+        return;
+    memset(dirtyPixels, 0, dirtyPixelsSize);
+    ghostPixelCount = 0;
+}
+#endif
+
+/*
+ * forceDisplay: use lastDrawMsec
+ */
+bool EInkParallelDisplay::forceDisplay(uint32_t msecLimit)
+{
+    uint32_t now = millis();
+    if (lastDrawMsec == 0 || (now - lastDrawMsec) > msecLimit) {
+        display();
+        return true;
+    }
+    return false;
+}
+
+void EInkParallelDisplay::endUpdate()
+{
+    {
+        // ensure any async full update is started/completed
+        if (asyncFullRunning.load()) {
+            // nothing to do; background task will run and call backupPlane when done
+        } else {
+            epaper->fullUpdate(CLEAR_FAST, false);
+            epaper->backupPlane();
+#ifdef EINK_LIMIT_GHOSTING_PX
+            resetGhostPixelTracking();
+#endif
+        }
+    }
+}
+
+#endif

src/graphics/EInkParallelDisplay.h

@@ -0,0 +1,69 @@
+#pragma once
+
+#include "configuration.h"
+
+#ifdef USE_EINK_PARALLELDISPLAY
+#include <OLEDDisplay.h>
+
+#include <atomic>
+#include <freertos/FreeRTOS.h>
+#include <freertos/task.h>
+
+class FASTEPD;
+
+/**
+ * Adapter for E-Ink 8-bit parallel displays (EPD), specifically devices supported by FastEPD library
+ */
+class EInkParallelDisplay : public OLEDDisplay
+{
+  public:
+    enum EpdRotation {
+        EPD_ROT_LANDSCAPE = 0,
+        EPD_ROT_PORTRAIT = 90,
+        EPD_ROT_INVERTED_LANDSCAPE = 180,
+        EPD_ROT_INVERTED_PORTRAIT = 270,
+    };
+
+    EInkParallelDisplay(uint16_t width, uint16_t height, EpdRotation rotation);
+    virtual ~EInkParallelDisplay();
+
+    // OLEDDisplay virtuals
+    bool connect() override;
+    void sendCommand(uint8_t com) override;
+    int getBufferOffset(void) override { return 0; }
+
+    void display(void) override;
+    bool forceDisplay(uint32_t msecLimit = 1000);
+    void endUpdate();
+
+  protected:
+    uint32_t lastDrawMsec = 0;
+    FASTEPD *epaper;
+
+  private:
+    // Async full-refresh support
+    std::atomic<bool> asyncFullRunning{false};
+    TaskHandle_t asyncTaskHandle = nullptr;
+    void startAsyncFullUpdate(int clearMode);
+    static void asyncFullUpdateTask(void *pvParameters);
+
+#ifdef EINK_LIMIT_GHOSTING_PX
+    // helpers
+    void resetGhostPixelTracking();
+    void markDirtyBits(const uint8_t *prevBuf, uint32_t pos, uint8_t mask, uint8_t out);
+    void countGhostPixelsAndMaybePromote(int &newTop, int &newBottom, bool &forceFull);
+
+    // per-bit dirty buffer (same format as epaper buffers): one bit == one pixel
+    uint8_t *dirtyPixels = nullptr;
+    size_t dirtyPixelsSize = 0;
+    uint32_t ghostPixelCount = 0;
+    uint32_t ghostPixelLimit = EINK_LIMIT_GHOSTING_PX;
+#endif
+
+    EpdRotation rotation;
+    uint32_t previousImageHash = 0;
+    uint32_t lastUpdateMs = 0;
+    int fastRefreshCount = 0;
+};
+
+#endif

src/graphics/Screen.cpp

@@ -27,6 +27,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "configuration.h"
 #include "meshUtils.h"
 #if HAS_SCREEN
+#include "EInkParallelDisplay.h"
 #include <OLEDDisplay.h>
 
 #include "DisplayFormatters.h"
@@ -324,7 +325,7 @@ static int8_t prevFrame = -1;
 // Combined dynamic node list frame cycling through LastHeard, HopSignal, and Distance modes
 // Uses a single frame and changes data every few seconds (E-Ink variant is separate)
 
-#if defined(ESP_PLATFORM) && defined(USE_ST7789)
+#if defined(ESP_PLATFORM) && (defined(USE_ST7789) || defined(USE_ST7796))
 SPIClass SPI1(HSPI);
 #endif
 
@@ -356,7 +357,18 @@ Screen::Screen(ScanI2C::DeviceAddress address, meshtastic_Config_DisplayConfig_O
 #else
     dispdev = new ST7789Spi(&SPI1, ST7789_RESET, ST7789_RS, ST7789_NSS, GEOMETRY_RAWMODE, TFT_WIDTH, TFT_HEIGHT);
 #endif
+#elif defined(USE_ST7796)
+#ifdef ESP_PLATFORM
+    dispdev = new ST7796Spi(&SPI1, ST7796_RESET, ST7796_RS, ST7796_NSS, GEOMETRY_RAWMODE, TFT_WIDTH, TFT_HEIGHT, ST7796_SDA,
+                            ST7796_MISO, ST7796_SCK, TFT_SPI_FREQUENCY);
+#else
+    dispdev = new ST7796Spi(&SPI1, ST7796_RESET, ST7796_RS, ST7796_NSS, GEOMETRY_RAWMODE, TFT_WIDTH, TFT_HEIGHT);
+#endif
+#if defined(USE_ST7789)
     static_cast<ST7789Spi *>(dispdev)->setRGB(TFT_MESH);
+#elif defined(USE_ST7796)
+    static_cast<ST7796Spi *>(dispdev)->setRGB(TFT_MESH);
+#endif
 #elif defined(USE_SSD1306)
     dispdev = new SSD1306Wire(address.address, -1, -1, geometry,
                               (address.port == ScanI2C::I2CPort::WIRE1) ? HW_I2C::I2C_TWO : HW_I2C::I2C_ONE);
@@ -372,12 +384,14 @@ Screen::Screen(ScanI2C::DeviceAddress address, meshtastic_Config_DisplayConfig_O
     defined(RAK14014) || defined(HX8357_CS) || defined(ILI9488_CS) || defined(ST7796_CS)
     dispdev = new TFTDisplay(address.address, -1, -1, geometry,
                              (address.port == ScanI2C::I2CPort::WIRE1) ? HW_I2C::I2C_TWO : HW_I2C::I2C_ONE);
-#elif defined(USE_EINK) && !defined(USE_EINK_DYNAMICDISPLAY)
+#elif defined(USE_EINK) && !defined(USE_EINK_DYNAMICDISPLAY) && !defined(USE_EINK_PARALLELDISPLAY)
     dispdev = new EInkDisplay(address.address, -1, -1, geometry,
                               (address.port == ScanI2C::I2CPort::WIRE1) ? HW_I2C::I2C_TWO : HW_I2C::I2C_ONE);
 #elif defined(USE_EINK) && defined(USE_EINK_DYNAMICDISPLAY)
     dispdev = new EInkDynamicDisplay(address.address, -1, -1, geometry,
                                      (address.port == ScanI2C::I2CPort::WIRE1) ? HW_I2C::I2C_TWO : HW_I2C::I2C_ONE);
+#elif defined(USE_EINK_PARALLELDISPLAY)
+    dispdev = new EInkParallelDisplay(EPD_WIDTH, EPD_HEIGHT, EInkParallelDisplay::EPD_ROT_PORTRAIT);
 #elif defined(USE_ST7567)
     dispdev = new ST7567Wire(address.address, -1, -1, geometry,
                              (address.port == ScanI2C::I2CPort::WIRE1) ? HW_I2C::I2C_TWO : HW_I2C::I2C_ONE);
@@ -474,6 +488,15 @@ void Screen::handleSetOn(bool on, FrameCallback einkScreensaver)
             pinMode(VTFT_LEDA, OUTPUT);
             digitalWrite(VTFT_LEDA, TFT_BACKLIGHT_ON);
 #endif
+#endif
+#ifdef USE_ST7796
+            ui->init();
+#ifdef ESP_PLATFORM
+            analogWrite(VTFT_LEDA, BRIGHTNESS_DEFAULT);
+#else
+            pinMode(VTFT_LEDA, OUTPUT);
+            digitalWrite(VTFT_LEDA, TFT_BACKLIGHT_ON);
+#endif
 #endif
             enabled = true;
             setInterval(0); // Draw ASAP
@@ -512,6 +535,21 @@ void Screen::handleSetOn(bool on, FrameCallback einkScreensaver)
             nrf_gpio_cfg_default(ST7789_NSS);
 #endif
 #endif
+#ifdef USE_ST7796
+            SPI1.end();
+#if defined(ARCH_ESP32)
+            pinMode(VTFT_LEDA, OUTPUT);
+            digitalWrite(VTFT_LEDA, LOW);
+            pinMode(ST7796_RESET, ANALOG);
+            pinMode(ST7796_RS, ANALOG);
+            pinMode(ST7796_NSS, ANALOG);
+#else
+            nrf_gpio_cfg_default(VTFT_LEDA);
+            nrf_gpio_cfg_default(ST7796_RESET);
+            nrf_gpio_cfg_default(ST7796_RS);
+            nrf_gpio_cfg_default(ST7796_NSS);
+#endif
+#endif
 
 #ifdef T_WATCH_S3
             PMU->disablePowerOutput(XPOWERS_ALDO2);
@@ -557,6 +595,10 @@ void Screen::setup()
 #if defined(MUZI_BASE)
     dispdev->delayPoweron = true;
 #endif
+#if defined(USE_ST7796) && defined(TFT_MESH)
+    // Custom text color, if defined in variant.h
+    static_cast<ST7796Spi *>(dispdev)->setRGB(TFT_MESH);
+#endif
 
     // === Initialize display and UI system ===
     ui->init();
@@ -620,6 +662,8 @@ void Screen::setup()
         static_cast<TFTDisplay *>(dispdev)->flipScreenVertically();
 #elif defined(USE_ST7789)
         static_cast<ST7789Spi *>(dispdev)->flipScreenVertically();
+#elif defined(USE_ST7796)
+        static_cast<ST7796Spi *>(dispdev)->mirrorScreen();
 #elif !defined(M5STACK_UNITC6L)
         dispdev->flipScreenVertically();
 #endif
@@ -652,7 +696,7 @@ void Screen::setup()
             touchScreenImpl1->init();
         }
     }
-#elif HAS_TOUCHSCREEN && !defined(USE_EINK)
+#elif HAS_TOUCHSCREEN && !defined(USE_EINK) && !HAS_CST226SE
     touchScreenImpl1 =
         new TouchScreenImpl1(dispdev->getWidth(), dispdev->getHeight(), static_cast<TFTDisplay *>(dispdev)->getTouch);
     touchScreenImpl1->init();
@@ -720,7 +764,11 @@ void Screen::forceDisplay(bool forceUiUpdate)
     }
 
     // Tell EInk class to update the display
+#if defined(USE_EINK_PARALLELDISPLAY)
+    static_cast<EInkParallelDisplay *>(dispdev)->forceDisplay();
+#elif defined(USE_EINK)
     static_cast<EInkDisplay *>(dispdev)->forceDisplay();
+#endif
 #else
     // No delay between UI frame rendering
     if (forceUiUpdate) {
@@ -937,8 +985,10 @@ void Screen::setScreensaverFrames(FrameCallback einkScreensaver)
         ui->update();
     } while (ui->getUiState()->lastUpdate < startUpdate);
 
+#if defined(USE_EINK_PARALLELDISPLAY)
+    static_cast<EInkParallelDisplay *>(dispdev)->forceDisplay(0);
+#elif defined(USE_EINK) && !defined(USE_EINK_DYNAMICDISPLAY)
     // Old EInkDisplay class
-#if !defined(USE_EINK_DYNAMICDISPLAY)
     static_cast<EInkDisplay *>(dispdev)->forceDisplay(0); // Screen::forceDisplay(), but override rate-limit
 #endif
 
@@ -950,7 +1000,7 @@ void Screen::setScreensaverFrames(FrameCallback einkScreensaver)
 #ifdef EINK_HASQUIRK_GHOSTING
     EINK_ADD_FRAMEFLAG(dispdev, COSMETIC); // Really ugly to see ghosting from "screen paused"
 #else
-    EINK_ADD_FRAMEFLAG(dispdev, RESPONSIVE); // Really nice to wake screen with a fast-refresh
+    EINK_ADD_FRAMEFLAG(dispdev, RESPONSIVE);              // Really nice to wake screen with a fast-refresh
 #endif
 }
 #endif

src/graphics/Screen.h

@@ -83,6 +83,8 @@ class Screen
 #include <ST7789Spi.h>
 #elif defined(USE_SPISSD1306)
 #include <SSD1306Spi.h>
+#elif defined(USE_ST7796)
+#include <ST7796Spi.h>
 #else
 // the SH1106/SSD1306 variant is auto-detected
 #include <AutoOLEDWire.h>

src/graphics/ScreenFonts.h

@@ -16,7 +16,7 @@
 #include "graphics/fonts/OLEDDisplayFontsCS.h"
 #endif
 
-#if defined(CROWPANEL_ESP32S3_5_EPAPER) && defined(USE_EINK)
+#if defined(CROWPANEL_ESP32S3_5_EPAPER) || defined(T5_S3_EPAPER_PRO)
 #include "graphics/fonts/EinkDisplayFonts.h"
 #endif
 
@@ -73,7 +73,8 @@
 #endif
 
 #if (defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7701_CS) || defined(ST7735_CS) ||      \
-     defined(ST7789_CS) || defined(USE_ST7789) || defined(HX8357_CS) || defined(ILI9488_CS) || defined(ST7796_CS)) &&            \
+     defined(ST7789_CS) || defined(USE_ST7789) || defined(HX8357_CS) || defined(ILI9488_CS) || defined(ST7796_CS) ||             \
+     defined(USE_ST7796)) &&                                                                                                     \
     !defined(DISPLAY_FORCE_SMALL_FONTS)
 // The screen is bigger so use bigger fonts
 #define FONT_SMALL FONT_MEDIUM_LOCAL // Height: 19
@@ -89,7 +90,7 @@
 #define FONT_LARGE FONT_LARGE_LOCAL   // Height: 28
 #endif
 
-#if defined(CROWPANEL_ESP32S3_5_EPAPER) && defined(USE_EINK)
+#if defined(CROWPANEL_ESP32S3_5_EPAPER) || defined(T5_S3_EPAPER_PRO)
 #undef FONT_SMALL
 #undef FONT_MEDIUM
 #undef FONT_LARGE

src/graphics/VirtualKeyboard.cpp

@@ -506,6 +506,9 @@ void VirtualKeyboard::drawKey(OLEDDisplay *display, const VirtualKey &key, bool
             centeredTextY -= 1;
         }
     }
+#ifdef MUZI_BASE // Correct issue with character vertical position on MUZI_BASE
+    centeredTextY -= 2;
+#endif
     display->drawString(textX, centeredTextY, keyText.c_str());
 }
 

src/graphics/draw/DebugRenderer.cpp

@@ -97,7 +97,8 @@ void drawFrame(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16
                                           (storeForwardModule->heartbeatInterval * 1200))) { // no heartbeat, overlap a bit
 #if (defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7701_CS) || defined(ST7735_CS) ||      \
      defined(ST7789_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(HX8357_CS) || defined(ST7796_CS) ||             \
-     ARCH_PORTDUINO) &&                                                                                                          \
+     defined(USE_ST7796) ||            \
+     ARCH_PORTDUINO) &&                                                                                                                                                                                                    \
     !defined(DISPLAY_FORCE_SMALL_FONTS)
             display->drawFastImage(x + SCREEN_WIDTH - 14 - display->getStringWidth(screen->ourId), y + 3 + FONT_HEIGHT_SMALL, 12,
                                    8, imgQuestionL1);
@@ -109,7 +110,7 @@ void drawFrame(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16
 #endif
         } else {
 #if (defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7701_CS) || defined(ST7735_CS) ||      \
-     defined(ST7789_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(HX8357_CS) || defined(ST7796_CS)) &&            \
+     defined(ST7789_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(HX8357_CS) || defined(ST7796_CS) || defined(USE_ST7796)) &&            \
     !defined(DISPLAY_FORCE_SMALL_FONTS)
             display->drawFastImage(x + SCREEN_WIDTH - 18 - display->getStringWidth(screen->ourId), y + 3 + FONT_HEIGHT_SMALL, 16,
                                    8, imgSFL1);
@@ -125,7 +126,8 @@ void drawFrame(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16
         // TODO: Raspberry Pi supports more than just the one screen size
 #if (defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7701_CS) || defined(ST7735_CS) ||      \
      defined(ST7789_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(HX8357_CS) || defined(ST7796_CS) ||             \
-     ARCH_PORTDUINO) &&                                                                                                          \
+     defined(USE_ST7796) ||            \
+     ARCH_PORTDUINO) &&                                                                                                                                                                                                    \
     !defined(DISPLAY_FORCE_SMALL_FONTS)
         display->drawFastImage(x + SCREEN_WIDTH - 14 - display->getStringWidth(screen->ourId), y + 3 + FONT_HEIGHT_SMALL, 12, 8,
                                imgInfoL1);

src/graphics/draw/UIRenderer.cpp

@@ -257,7 +257,7 @@ void UIRenderer::drawNodes(OLEDDisplay *display, int16_t x, int16_t y, const mes
     }
 
 #if (defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7701_CS) || defined(ST7735_CS) ||      \
-     defined(ST7789_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(HX8357_CS) || defined(ST7796_CS)) &&            \
+     defined(ST7789_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(HX8357_CS) || defined(ST7796_CS) || defined(USE_ST7796)) &&            \
     !defined(DISPLAY_FORCE_SMALL_FONTS)
 
     if (isHighResolution) {

src/graphics/images.h

@@ -27,8 +27,7 @@ const uint8_t bluetoothConnectedIcon[36] PROGMEM = {0xfe, 0x01, 0xff, 0x03, 0x03
                                                     0xfe, 0x31, 0x00, 0x30, 0x30, 0x30, 0x30, 0x30, 0xf0, 0x3f, 0xe0, 0x1f};
 
 #if (defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7701_CS) || defined(ST7735_CS) ||      \
-     defined(ST7789_CS) || defined(USE_ST7789) || defined(HX8357_CS) || defined(ILI9488_CS) || defined(ST7796_CS) ||             \
-     ARCH_PORTDUINO) &&                                                                                                          \
+     defined(ST7789_CS) || defined(USE_ST7789) || defined(HX8357_CS) || defined(ILI9488_CS) || defined(USE_ST7796) || defined(ST7796_CS) || ARCH_PORTDUINO) &&                \
     !defined(DISPLAY_FORCE_SMALL_FONTS)
 const uint8_t imgQuestionL1[] PROGMEM = {0xff, 0x01, 0x01, 0x32, 0x7b, 0x49, 0x49, 0x6f, 0x26, 0x01, 0x01, 0xff};
 const uint8_t imgQuestionL2[] PROGMEM = {0x0f, 0x08, 0x08, 0x08, 0x06, 0x0f, 0x0f, 0x06, 0x08, 0x08, 0x08, 0x0f};

src/graphics/niche/InkHUD/Applet.h

@@ -15,6 +15,7 @@
 
 #include <GFX.h> // GFXRoot drawing lib
 
+#include "mesh/MeshModule.h"
 #include "mesh/MeshTypes.h"
 
 #include "./AppletFont.h"

src/graphics/niche/InkHUD/AppletFont.cpp

@@ -124,7 +124,7 @@ uint32_t InkHUD::AppletFont::toUtf32(std::string utf8)
         utf32 |= (utf8.at(3) & 0b00111111);
         break;
     default:
-        assert(false);
+        return 0;
     }
 
     return utf32;

src/main.cpp

@@ -394,6 +394,12 @@ void setup()
     io.pinMode(EXPANDS_GPIO_EN, OUTPUT);
     io.digitalWrite(EXPANDS_GPIO_EN, HIGH);
     io.pinMode(EXPANDS_SD_PULLEN, INPUT);
+#elif defined(T5_S3_EPAPER_PRO)
+    pinMode(LORA_CS, OUTPUT);
+    digitalWrite(LORA_CS, HIGH);
+    pinMode(SDCARD_CS, OUTPUT);
+    digitalWrite(SDCARD_CS, HIGH);
+    pinMode(BOARD_BL_EN, OUTPUT);
 #endif
     concurrency::hasBeenSetup = true;
 #if ARCH_PORTDUINO
@@ -878,7 +884,7 @@ void setup()
 
 #if defined(ST7701_CS) || defined(ST7735_CS) || defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) ||       \
     defined(ST7789_CS) || defined(HX8357_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(ST7796_CS) ||              \
-    defined(USE_SPISSD1306)
+    defined(USE_ST7796) || defined(USE_SPISSD1306)
         screen = new graphics::Screen(screen_found, screen_model, screen_geometry);
 #elif defined(ARCH_PORTDUINO)
         if ((screen_found.port != ScanI2C::I2CPort::NO_I2C || portduino_config.displayPanel) &&
@@ -1155,7 +1161,7 @@ void setup()
 // the current region name)
 #if defined(ST7701_CS) || defined(ST7735_CS) || defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) ||       \
     defined(ST7789_CS) || defined(HX8357_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(ST7796_CS) ||              \
-    defined(USE_SPISSD1306)
+    defined(USE_ST7796) || defined(USE_SPISSD1306)
     if (screen)
         screen->setup();
 #elif defined(ARCH_PORTDUINO)

src/mesh/NodeDB.cpp

@@ -664,7 +664,7 @@ void NodeDB::installDefaultConfig(bool preserveKey = false)
     config.bluetooth.fixed_pin = defaultBLEPin;
 
 #if defined(ST7735_CS) || defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7789_CS) ||       \
-    defined(HX8357_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(ST7796_CS) || defined(USE_SPISSD1306)
+    defined(HX8357_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(ST7796_CS) || defined(USE_SPISSD1306) || defined(USE_ST7796)
     bool hasScreen = true;
 #ifdef HELTEC_MESH_NODE_T114
     uint32_t st7789_id = get_st7789_id(ST7789_NSS, ST7789_SCK, ST7789_SDA, ST7789_RS, ST7789_RESET);

src/mesh/generated/meshtastic/mesh.pb.h

@@ -237,8 +237,8 @@ typedef enum _meshtastic_HardwareModel {
     meshtastic_HardwareModel_T_ETH_ELITE = 91,
     /* Heltec HRI-3621 industrial probe */
     meshtastic_HardwareModel_HELTEC_SENSOR_HUB = 92,
-    /* Reserved Fried Chicken ID for future use */
-    meshtastic_HardwareModel_RESERVED_FRIED_CHICKEN = 93,
+    /* Muzi Works Muzi-Base device */
+    meshtastic_HardwareModel_MUZI_BASE = 93,
     /* Heltec Magnetic Power Bank with Meshtastic compatible */
     meshtastic_HardwareModel_HELTEC_MESH_POCKET = 94,
     /* Seeed Solar Node */

src/modules/CannedMessageModule.cpp

@@ -836,6 +836,7 @@ bool CannedMessageModule::handleFreeTextInput(const InputEvent *event)
     if (event->inputEvent == INPUT_BROKER_BACK && this->freetext.length() > 0) {
         payload = 0x08;
         lastTouchMillis = millis();
+        requestFocus();
         runOnce();
         return true;
     }
@@ -844,6 +845,7 @@ bool CannedMessageModule::handleFreeTextInput(const InputEvent *event)
     if (event->inputEvent == INPUT_BROKER_LEFT) {
         payload = INPUT_BROKER_LEFT;
         lastTouchMillis = millis();
+        requestFocus();
         runOnce();
         return true;
     }
@@ -851,6 +853,7 @@ bool CannedMessageModule::handleFreeTextInput(const InputEvent *event)
     if (event->inputEvent == INPUT_BROKER_RIGHT) {
         payload = INPUT_BROKER_RIGHT;
         lastTouchMillis = millis();
+        requestFocus();
         runOnce();
         return true;
     }

src/platform/extra_variants/t5_s3_epaper_pro/variant.cpp

@@ -0,0 +1,38 @@
+#include "configuration.h"
+
+#ifdef T5_S3_EPAPER_PRO
+
+#include "TouchDrvGT911.hpp"
+#include "Wire.h"
+#include "input/TouchScreenImpl1.h"
+
+TouchDrvGT911 touch;
+
+bool readTouch(int16_t *x, int16_t *y)
+{
+    if (!digitalRead(GT911_PIN_INT)) {
+        int16_t raw_x;
+        int16_t raw_y;
+        if (touch.getPoint(&raw_x, &raw_y)) {
+            // rotate 90° for landscape
+            *x = raw_y;
+            *y = EPD_WIDTH - 1 - raw_x;
+            LOG_DEBUG("touched(%d/%d)", *x, *y);
+            return true;
+        }
+    }
+    return false;
+}
+
+// T5-S3-ePaper Pro specific (late-) init
+void lateInitVariant(void)
+{
+    touch.setPins(GT911_PIN_RST, GT911_PIN_INT);
+    if (touch.begin(Wire, GT911_SLAVE_ADDRESS_L, GT911_PIN_SDA, GT911_PIN_SCL)) {
+        touchScreenImpl1 = new TouchScreenImpl1(EPD_WIDTH, EPD_HEIGHT, readTouch);
+        touchScreenImpl1->init();
+    } else {
+        LOG_ERROR("Failed to find touch controller!");
+    }
+}
+#endif

src/platform/extra_variants/tbeam_displayshield/variant.cpp

@@ -0,0 +1,43 @@
+#include "configuration.h"
+
+#ifdef HAS_CST226SE
+
+#include "TouchDrvCSTXXX.hpp"
+#include "input/TouchScreenImpl1.h"
+#include <Wire.h>
+
+TouchDrvCSTXXX tsPanel;
+static constexpr uint8_t PossibleAddresses[2] = {CST328_ADDR, CST226SE_ADDR_ALT};
+uint8_t i2cAddress = 0;
+
+bool readTouch(int16_t *x, int16_t *y)
+{
+    int16_t x_array[1], y_array[1];
+    uint8_t touched = tsPanel.getPoint(x_array, y_array, 1);
+    if (touched > 0) {
+        *y = x_array[0];
+        *x = (TFT_WIDTH - y_array[0]);
+        // Check bounds
+        if (*x < 0 || *x >= TFT_WIDTH || *y < 0 || *y >= TFT_HEIGHT) {
+            return false;
+        }
+        return true; // Valid touch detected
+    }
+    return false; // No valid touch data
+}
+
+void lateInitVariant()
+{
+    tsPanel.setTouchDrvModel(TouchDrv_CST226);
+    for (uint8_t addr : PossibleAddresses) {
+        if (tsPanel.begin(Wire, addr, I2C_SDA, I2C_SCL)) {
+            i2cAddress = addr;
+            LOG_DEBUG("CST226SE init OK at address 0x%02X", addr);
+            touchScreenImpl1 = new TouchScreenImpl1(TFT_WIDTH, TFT_HEIGHT, readTouch);
+            touchScreenImpl1->init();
+            return;
+        }
+    }
+    LOG_ERROR("CST226SE init failed at all known addresses");
+}
+#endif

variants/esp32/tbeam/platformio.ini

@@ -4,12 +4,22 @@ extends = esp32_base
 board = ttgo-t-beam
 board_level = pr
 board_check = true
-lib_deps =
-  ${esp32_base.lib_deps}
-build_flags = 
-  ${esp32_base.build_flags}
+lib_deps = ${esp32_base.lib_deps}
+build_flags = ${esp32_base.build_flags}
   -D TBEAM_V10
   -I variants/esp32/tbeam
   -DBOARD_HAS_PSRAM
   -mfix-esp32-psram-cache-issue
 upload_speed = 921600
+
+[env:tbeam-displayshield]
+extends = env:tbeam
+
+build_flags =
+  ${env:tbeam.build_flags}
+  -D USE_ST7796
+
+lib_deps =
+  ${env:tbeam.lib_deps}
+  https://github.com/meshtastic/st7796/archive/refs/tags/1.0.5.zip ; display addon
+  lewisxhe/SensorLib@0.3.1 ; touchscreen addon

variants/esp32/tbeam/variant.h

@@ -42,4 +42,35 @@
 #define GPS_UBLOX
 #define GPS_RX_PIN 34
 #define GPS_TX_PIN 12
-// #define GPS_DEBUG
+// #define GPS_DEBUG
+
+// Used when the display shield is chosen
+#ifdef USE_ST7796
+
+#undef EXT_NOTIFY_OUT
+#undef LED_STATE_ON
+#undef LED_PIN
+
+#define HAS_CST226SE 1
+#define HAS_TOUCHSCREEN 1
+// #define TOUCH_IRQ 35 // broken in this version of the lib 0.3.1
+#ifndef TOUCH_IRQ
+#define TOUCH_IRQ -1
+#endif
+#define CANNED_MESSAGE_MODULE_ENABLE 1
+#define USE_VIRTUAL_KEYBOARD 1
+
+#define ST7796_NSS 25
+#define ST7796_RS 13  // DC
+#define ST7796_SDA 14 // MOSI
+#define ST7796_SCK 15
+#define ST7796_RESET 2
+#define ST7796_MISO -1
+#define ST7796_BUSY -1
+#define VTFT_LEDA 4
+#define TFT_SPI_FREQUENCY 60000000
+#define TFT_HEIGHT 222
+#define TFT_WIDTH 480
+#define BRIGHTNESS_DEFAULT 100        // Medium Low Brightness
+#define SCREEN_TRANSITION_FRAMERATE 5 // fps
+#endif

variants/esp32s3/t5s3_epaper/nicheGraphics.h

@@ -0,0 +1,123 @@
+/*
+
+Most of the Meshtastic firmware uses preprocessor macros throughout the code to support different hardware variants.
+NicheGraphics attempts a different approach:
+
+Per-device config takes place in this setupNicheGraphics() method
+(And a small amount in platformio.ini)
+
+This file sets up InkHUD for Heltec VM-E290.
+Different NicheGraphics UIs and different hardware variants will each have their own setup procedure.
+
+*/
+
+#pragma once
+
+#include "configuration.h"
+#include "mesh/MeshModule.h"
+
+#ifdef MESHTASTIC_INCLUDE_NICHE_GRAPHICS
+
+// InkHUD-specific components
+// ---------------------------
+// #include "graphics/niche/InkHUD/InkHUD.h"
+#include "graphics/niche/InkHUD/WindowManager.h"
+
+// Applets
+#include "graphics/niche/InkHUD/Applets/User/AllMessage/AllMessageApplet.h"
+#include "graphics/niche/InkHUD/Applets/User/DM/DMApplet.h"
+#include "graphics/niche/InkHUD/Applets/User/Heard/HeardApplet.h"
+#include "graphics/niche/InkHUD/Applets/User/Positions/PositionsApplet.h"
+#include "graphics/niche/InkHUD/Applets/User/RecentsList/RecentsListApplet.h"
+#include "graphics/niche/InkHUD/Applets/User/ThreadedMessage/ThreadedMessageApplet.h"
+
+// Shared NicheGraphics components
+// --------------------------------
+#include "graphics/niche/Drivers/Backlight/LatchingBacklight.h"
+#include "graphics/niche/Drivers/EInk/DEPG0290BNS800.h"
+#include "graphics/niche/Inputs/TwoButton.h"
+
+void setupNicheGraphics()
+{
+    using namespace NicheGraphics;
+
+    // SPI
+    // -----------------------------
+
+    // Display is connected to HSPI
+    SPIClass *hspi = new SPIClass(HSPI);
+    hspi->begin(PIN_EINK_SCLK, -1, PIN_EINK_MOSI, PIN_EINK_CS);
+
+    // E-Ink Driver
+    // -----------------------------
+
+    // Use E-Ink driver
+    Drivers::EInk *driver = new Drivers::DEPG0290BNS800;
+    driver->begin(hspi, PIN_EINK_DC, PIN_EINK_CS, PIN_EINK_BUSY);
+
+    // InkHUD
+    // ----------------------------
+
+    InkHUD::InkHUD *inkhud = InkHUD::InkHUD::getInstance();
+
+    // Set the driver
+    inkhud->setDriver(driver);
+
+    // Set how many FAST updates per FULL update
+    // Set how unhealthy additional FAST updates beyond this number are
+    inkhud->setDisplayResilience(7, 1.5);
+
+    // Prepare fonts
+    InkHUD::Applet::fontLarge = FREESANS_9PT_WIN1252;
+    InkHUD::Applet::fontSmall = FREESANS_6PT_WIN1252;
+
+    // Init settings, and customize defaults
+    inkhud->persistence->settings.userTiles.maxCount = 2; // How many tiles can the display handle?
+    inkhud->persistence->settings.rotation = 1;           // 90 degrees clockwise
+    inkhud->persistence->settings.userTiles.count = 1;    // One tile only by default, keep things simple for new users
+    inkhud->persistence->settings.optionalMenuItems.nextTile = false;  // Behavior handled by aux button instead
+    inkhud->persistence->settings.optionalFeatures.batteryIcon = true; // Device definitely has a battery
+
+    // Setup backlight
+    // Note: AUX button behavior configured further down
+    Drivers::LatchingBacklight *backlight = Drivers::LatchingBacklight::getInstance();
+    backlight->setPin(PIN_EINK_EN);
+
+    // Pick applets
+    // Note: order of applets determines priority of "auto-show" feature
+    // Optional arguments for defaults:
+    // - is activated?
+    // - is autoshown?
+    // - is foreground on a specific tile (index)?
+    inkhud->addApplet("All Messages", new InkHUD::AllMessageApplet, true, true); // Activated, autoshown
+    inkhud->addApplet("DMs", new InkHUD::DMApplet);
+    inkhud->addApplet("Channel 0", new InkHUD::ThreadedMessageApplet(0));
+    inkhud->addApplet("Channel 1", new InkHUD::ThreadedMessageApplet(1));
+    inkhud->addApplet("Positions", new InkHUD::PositionsApplet, true); // Activated
+    inkhud->addApplet("Recents List", new InkHUD::RecentsListApplet);
+    inkhud->addApplet("Heard", new InkHUD::HeardApplet, true, false, 0); // Activated, not autoshown, default on tile 0
+    // inkhud->addApplet("Basic", new InkHUD::BasicExampleApplet);
+    // inkhud->addApplet("NewMsg", new InkHUD::NewMsgExampleApplet);
+
+    // Start running InkHUD
+    inkhud->begin();
+
+    // Buttons
+    // --------------------------
+
+    Inputs::TwoButton *buttons = Inputs::TwoButton::getInstance(); // A shared NicheGraphics component
+
+    // Setup the main user button (0)
+    buttons->setWiring(0, BUTTON_PIN);
+    buttons->setHandlerShortPress(0, []() { InkHUD::InkHUD::getInstance()->shortpress(); });
+    buttons->setHandlerLongPress(0, []() { InkHUD::InkHUD::getInstance()->longpress(); });
+
+    // Setup the aux button (1)
+    // Bonus feature of VME290
+    buttons->setWiring(1, BUTTON_PIN_SECONDARY);
+    buttons->setHandlerShortPress(1, []() { InkHUD::InkHUD::getInstance()->nextTile(); });
+
+    buttons->start();
+}
+
+#endif

variants/esp32s3/t5s3_epaper/pins_arduino.h

@@ -0,0 +1,43 @@
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+
+#define USB_VID 0x303a
+#define USB_PID 0x1001
+
+#if defined(T5_S3_EPAPER_PRO_V1)
+// The default Wire will be mapped to RTC, Touch, BQ25896, and BQ27220
+static const uint8_t SDA = 6;
+static const uint8_t SCL = 5;
+
+// Default SPI will be mapped to Radio
+static const uint8_t SS = 46;
+static const uint8_t MOSI = 17;
+static const uint8_t MISO = 8;
+static const uint8_t SCK = 18;
+
+#define SPI_MOSI (17)
+#define SPI_SCK (18)
+#define SPI_MISO (8)
+#define SPI_CS (16)
+
+#else // T5_S3_EPAPER_PRO_V2
+// The default Wire will be mapped to RTC, Touch, PCA9535, BQ25896, and BQ27220
+static const uint8_t SDA = 39;
+static const uint8_t SCL = 40;
+
+// Default SPI will be mapped to Radio
+static const uint8_t SS = 46;
+static const uint8_t MOSI = 13;
+static const uint8_t MISO = 21;
+static const uint8_t SCK = 14;
+
+#define SPI_MOSI (13)
+#define SPI_SCK (14)
+#define SPI_MISO (21)
+#define SPI_CS (12)
+
+#endif
+
+#endif /* Pins_Arduino_h */

variants/esp32s3/t5s3_epaper/platformio.ini

@@ -0,0 +1,58 @@
+[t5s3_epaper_base]
+extends = esp32s3_base
+board = t5-epaper-s3
+board_build.partition = default_16MB.csv
+board_check = true
+upload_protocol = esptool
+build_flags = -fno-strict-aliasing
+  ${esp32_base.build_flags} 
+  -I variants/esp32s3/t5s3_epaper
+  -D T5_S3_EPAPER_PRO
+  -D USE_EINK
+  -D USE_EINK_PARALLELDISPLAY
+  -D PRIVATE_HW
+  -D TOUCH_THRESHOLD_X=60
+  -D TOUCH_THRESHOLD_Y=40
+  -D TIME_LONG_PRESS=500
+;  -D EINK_LIMIT_GHOSTING_PX=5000
+  -D EPD_FULLSLOW_PERIOD=100
+  -D FAST_EPD_PARTIAL_UPDATE_BUG ; use rect area update instead of partial
+
+build_src_filter = 
+  ${esp32s3_base.build_src_filter} 
+lib_deps =
+  ${esp32s3_base.lib_deps}
+  lewisxhe/XPowersLib@0.3.1
+  lewisxhe/SensorLib@0.3.1
+  https://github.com/mverch67/BQ27220/archive/07d92be846abd8a0258a50c23198dac0858b22ed.zip
+  https://github.com/mverch67/FastEPD/archive/0df1bff329b6fc782e062f611758880762340647.zip
+
+[env:t5s3_epaper_inkhud]
+extends = t5s3_epaper_base, inkhud
+build_flags =
+  ${t5s3_epaper_base.build_flags}
+  ${inkhud.build_flags}
+  -D SDCARD_USE_SPI1
+  -D T5_S3_EPAPER_PRO_V2
+build_src_filter =
+  ${t5s3_epaper_base.build_src_filter}
+  ${inkhud.build_src_filter}
+lib_deps =
+  ${inkhud.lib_deps} ; InkHUD libs first, so we get GFXRoot instead of AdafruitGFX
+  ${t5s3_epaper_base.lib_deps}
+
+
+[env:t5s3-epaper-v1] ; H752
+extends = t5s3_epaper_base
+build_flags =
+  ${t5s3_epaper_base.build_flags}
+  -D T5_S3_EPAPER_PRO_V1
+  -D GPS_DEFAULT_NOT_PRESENT=1
+
+[env:t5s3-epaper-v2] ; H752-01
+extends = t5s3_epaper_base
+build_flags =
+  ${t5s3_epaper_base.build_flags}
+  -D T5_S3_EPAPER_PRO_V2
+  -D SDCARD_USE_SPI1
+  -D GPS_POWER_TOGGLE

variants/esp32s3/t5s3_epaper/variant.h

@@ -0,0 +1,92 @@
+
+// Display (E-Ink) ED047TC1 - 8bit parallel
+#define EPD_WIDTH 960
+#define EPD_HEIGHT 540
+
+#define CANNED_MESSAGE_MODULE_ENABLE 1
+#define USE_VIRTUAL_KEYBOARD 1
+
+#if defined(T5_S3_EPAPER_PRO_V1)
+#define BOARD_BL_EN 40
+#else
+#define BOARD_BL_EN 11
+#endif
+
+#define I2C_SDA SDA
+#define I2C_SCL SCL
+
+#define HAS_TOUCHSCREEN 1
+#define GT911_PIN_SDA SDA
+#define GT911_PIN_SCL SCL
+#if defined(T5_S3_EPAPER_PRO_V1)
+#define GT911_PIN_INT 15
+#define GT911_PIN_RST 41
+#else
+#define GT911_PIN_INT 3
+#define GT911_PIN_RST 9
+#endif
+
+#define PCF85063_RTC 0x51
+#define HAS_RTC 1
+#define PCF85063_INT 2
+
+#define USE_POWERSAVE
+#define SLEEP_TIME 120
+
+// GPS
+#if !defined(T5_S3_EPAPER_PRO_V1)
+#define GPS_RX_PIN 44
+#define GPS_TX_PIN 43
+#endif
+
+#if defined(T5_S3_EPAPER_PRO_V1)
+#define BUTTON_PIN 48
+#define PIN_BUTTON2 0
+#define ALT_BUTTON_PIN PIN_BUTTON2
+#else
+#define BUTTON_PIN 0
+#endif
+
+// SD card
+#define HAS_SDCARD
+#define SDCARD_CS SPI_CS
+#define SD_SPI_FREQUENCY 75000000U
+
+// battery charger BQ25896
+#define HAS_PPM 1
+#define XPOWERS_CHIP_BQ25896
+
+// battery quality management BQ27220
+#define HAS_BQ27220 1
+#define BQ27220_I2C_SDA SDA
+#define BQ27220_I2C_SCL SCL
+#define BQ27220_DESIGN_CAPACITY 1500
+
+// LoRa
+#define USE_SX1262
+#define USE_SX1268
+
+#define LORA_SCK SCK
+#define LORA_MISO MISO
+#define LORA_MOSI MOSI
+#define LORA_CS 46
+
+#define LORA_DIO0 -1
+#if defined(T5_S3_EPAPER_PRO_V1)
+#define LORA_RESET 43
+#define LORA_DIO1 3  // SX1262 IRQ
+#define LORA_DIO2 44 // SX1262 BUSY
+#define LORA_DIO3
+#else
+#define LORA_RESET 1
+#define LORA_DIO1 10 // SX1262 IRQ
+#define LORA_DIO2 47 // SX1262 BUSY
+#define LORA_DIO3
+#endif
+
+#define SX126X_CS LORA_CS
+#define SX126X_DIO1 LORA_DIO1
+#define SX126X_BUSY LORA_DIO2
+#define SX126X_RESET LORA_RESET
+#define SX126X_DIO2_AS_RF_SWITCH
+#define SX126X_DIO3_TCXO_VOLTAGE 2.4

variants/nrf52840/rak4631/platformio.ini

@@ -4,16 +4,33 @@ extends = nrf52840_base
 board = wiscore_rak4631
 board_level = pr
 board_check = true
+build_type = release
 build_flags = ${nrf52840_base.build_flags}
   -I variants/nrf52840/rak4631
   -D RAK_4631
   -DEINK_DISPLAY_MODEL=GxEPD2_213_BN
   -DEINK_WIDTH=250
-  -DEINK_HEIGHT=122
+  -DEINK_HEIGHT=122 
   -DRADIOLIB_EXCLUDE_SX128X=1
   -DRADIOLIB_EXCLUDE_SX127X=1
   -DRADIOLIB_EXCLUDE_LR11X0=1
-build_src_filter = ${nrf52_base.build_src_filter} +<../variants/nrf52840/rak4631> +<mesh/eth/> +<mesh/api/> +<mqtt/>
+  -Os
+  -Wl,-Map=$BUILD_DIR/output.map
+build_unflags =
+  -Ofast
+  -Og
+  -ggdb3
+  -ggdb2
+  -g3
+  -g2
+  -g
+  -g1
+  -g0
+build_src_filter = ${nrf52_base.build_src_filter} \
+  +<../variants/nrf52840/rak4631> \
+  +<mesh/eth/> \
+  +<mesh/api/> \
+  +<mqtt/>
 lib_deps = 
   ${nrf52840_base.lib_deps}
   ${nrf52_networking_base.lib_deps}