Merge branch 'master' into tft-gui-work

.github/workflows/build_esp32.yml

@@ -35,6 +35,7 @@ jobs:
           sed -i '/DDEBUG_HEAP/d' ./arch/esp32/esp32.ini
           sed -i '/DDEBUG_HEAP/d' ./arch/esp32/esp32s2.ini
           sed -i '/DDEBUG_HEAP/d' ./arch/esp32/esp32s3.ini
+          sed -i '/DDEBUG_HEAP/d' ./arch/esp32/esp32c3.ini
 
       - name: Build ESP32
         run: bin/build-esp32.sh ${{ inputs.board }}

.github/workflows/build_esp32_c3.yml

@@ -0,0 +1,62 @@
+name: Build ESP32-C3
+
+on:
+  workflow_call:
+    inputs:
+      board:
+        required: true
+        type: string
+
+permissions: read-all
+
+jobs:
+  build-esp32-c3:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Build base
+        id: base
+        uses: ./.github/actions/setup-base
+
+      - name: Pull web ui
+        uses: dsaltares/fetch-gh-release-asset@a40c8b4a0471f9ab81bdf73a010f74cc51476ad4
+        with:
+          repo: meshtastic/web
+          file: build.tar
+          target: build.tar
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Unpack web ui
+        run: |
+          tar -xf build.tar -C data/static
+          rm build.tar
+      - name: Remove debug flags for release
+        if: ${{ github.event_name == 'workflow_dispatch' }}
+        run: |
+          sed -i '/DDEBUG_HEAP/d' ./arch/esp32/esp32.ini
+          sed -i '/DDEBUG_HEAP/d' ./arch/esp32/esp32s2.ini
+          sed -i '/DDEBUG_HEAP/d' ./arch/esp32/esp32s3.ini
+          sed -i '/DDEBUG_HEAP/d' ./arch/esp32/esp32c3.ini
+      - name: Build ESP32
+        run: bin/build-esp32.sh ${{ inputs.board }}
+
+      - name: Pull OTA Firmware
+        uses: dsaltares/fetch-gh-release-asset@a40c8b4a0471f9ab81bdf73a010f74cc51476ad4
+        with:
+          repo: meshtastic/firmware-ota
+          file: firmware-c3.bin
+          target: release/bleota-c3.bin
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Get release version string
+        shell: bash
+        run: echo "version=$(./bin/buildinfo.py long)" >> $GITHUB_OUTPUT
+        id: version
+
+      - name: Store binaries as an artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: firmware-${{ inputs.board }}-${{ steps.version.outputs.version }}.zip
+          path: |
+            release/*.bin
+            release/*.elf

.github/workflows/build_esp32_s3.yml

@@ -34,6 +34,7 @@ jobs:
           sed -i '/DDEBUG_HEAP/d' ./arch/esp32/esp32.ini
           sed -i '/DDEBUG_HEAP/d' ./arch/esp32/esp32s2.ini
           sed -i '/DDEBUG_HEAP/d' ./arch/esp32/esp32s3.ini
+          sed -i '/DDEBUG_HEAP/d' ./arch/esp32/esp32c3.ini
       - name: Build ESP32
         run: bin/build-esp32.sh ${{ inputs.board }}
 

.github/workflows/main_matrix.yml

@@ -67,7 +67,6 @@ jobs:
           - board: tlora-v2-1-1_6-tcxo
           - board: tlora-v2-1-1_8
           - board: tbeam
-          - board: heltec-ht62-esp32c3-sx1262
           - board: heltec-v2_0
           - board: heltec-v2_1
           - board: tbeam0_7
@@ -105,6 +104,16 @@ jobs:
     with:
       board: ${{ matrix.board }}
 
+  build-esp32-c3:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - board: heltec-ht62-esp32c3-sx1262
+    uses: ./.github/workflows/build_esp32_c3.yml
+    with:
+      board: ${{ matrix.board }}
+
   build-nrf52:
     strategy:
       fail-fast: false
@@ -226,6 +235,7 @@ jobs:
       [
         build-esp32,
         build-esp32-s3,
+        build-esp32-c3,
         build-nrf52,
         build-raspbian,
         build-native,
@@ -251,7 +261,7 @@ jobs:
         id: version
 
       - name: Move files up
-        run: mv -b -t ./ ./*tbeam-2*/littlefs*.bin ./*tbeam-2*/bleota.bin ./*tbeam-s3*/bleota-s3.bin ./**/firmware*.bin ./*t-echo*/Meshtastic_nRF52_factory_erase_v2.uf2 ./**/firmware-*.uf2 ./**/firmware-*-ota.zip ./**/*.elf ./*native*/*device-*.sh ./*native*/*device-*.bat ./firmware-raspbian-*/release/meshtasticd_linux_aarch64 ./firmware-raspbian-*/bin/config-dist.yaml
+        run: mv -b -t ./ ./*tbeam-2*/littlefs*.bin ./*tbeam-2*/bleota.bin ./*tbeam-s3*/bleota-s3.bin ./*esp32c3*/bleota-c3.bin ./**/firmware*.bin ./*t-echo*/Meshtastic_nRF52_factory_erase_v2.uf2 ./**/firmware-*.uf2 ./**/firmware-*-ota.zip ./**/*.elf ./*native*/*device-*.sh ./*native*/*device-*.bat ./firmware-raspbian-*/release/meshtasticd_linux_aarch64 ./firmware-raspbian-*/bin/config-dist.yaml
 
       - name: Repackage in single firmware zip
         uses: actions/upload-artifact@v3

bin/device-install.bat

@@ -31,9 +31,13 @@ IF EXIST %FILENAME% IF x%FILENAME:update=%==x%FILENAME% (
 	%PYTHON% -m esptool --baud 115200 erase_flash
 	%PYTHON% -m esptool --baud 115200 write_flash 0x00 %FILENAME%
     
-    @REM Account for S3 board's different OTA partition
+    @REM Account for S3 and C3 board's different OTA partition
     IF x%FILENAME:s3=%==x%FILENAME% IF x%FILENAME:v3=%==x%FILENAME% IF x%FILENAME:t-deck=%==x%FILENAME% IF x%FILENAME:wireless-paper=%==x%FILENAME% IF x%FILENAME:wireless-tracker=%==x%FILENAME% (
+        IF x%FILENAME:esp32c3=%==x%FILENAME% (
             %PYTHON% -m esptool --baud 115200 write_flash 0x260000 bleota.bin
+        ) else (
+            %PYTHON% -m esptool --baud 115200 write_flash 0x260000 bleota-c3.bin
+        )
 	) else (
         %PYTHON% -m esptool --baud 115200 write_flash 0x260000 bleota-s3.bin
     )

bin/device-install.sh

@@ -1,12 +1,12 @@
 #!/bin/sh
 
-PYTHON=${PYTHON:-$(which python3 python|head -n 1)}
+PYTHON=${PYTHON:-$(which python3 python | head -n 1)}
 
 set -e
 
 # Usage info
 show_help() {
-cat << EOF
+	cat <<EOF
 Usage: $(basename $0) [-h] [-p ESPTOOL_PORT] [-P PYTHON] [-f FILENAME|FILENAME]
 Flash image file to device, but first erasing and writing system information"
 
@@ -18,18 +18,20 @@ Flash image file to device, but first erasing and writing system information"
 EOF
 }
 
-
 while getopts ":hp:P:f:" opt; do
 	case "${opt}" in
 	h)
 		show_help
 		exit 0
 		;;
-        p)  export ESPTOOL_PORT=${OPTARG}
+	p)
+		export ESPTOOL_PORT=${OPTARG}
 		;;
-        P)  PYTHON=${OPTARG}
+	P)
+		PYTHON=${OPTARG}
 		;;
-        f)  FILENAME=${OPTARG}
+	f)
+		FILENAME=${OPTARG}
 		;;
 	*)
 		echo "Invalid flag."
@@ -38,20 +40,24 @@ while getopts ":hp:P:f:" opt; do
 		;;
 	esac
 done
-shift "$((OPTIND-1))"
+shift "$((OPTIND - 1))"
 
 [ -z "$FILENAME" -a -n "$1" ] && {
 	FILENAME=$1
 	shift
 }
 
-if [ -f "${FILENAME}" ] && [ ! -z "${FILENAME##*"update"*}" ]; then
+if [ -f "${FILENAME}" ] && [ -n "${FILENAME##*"update"*}" ]; then
 	echo "Trying to flash ${FILENAME}, but first erasing and writing system information"
 	"$PYTHON" -m esptool erase_flash
 	"$PYTHON" -m esptool write_flash 0x00 ${FILENAME}
 	# Account for S3 board's different OTA partition
-	if [ ! -z "${FILENAME##*"s3"*}" ] && [ ! -z "${FILENAME##*"-v3"*}" ] && [ ! -z "${FILENAME##*"t-deck"*}" ] && [ ! -z "${FILENAME##*"wireless-paper"*}" ] && [ ! -z "${FILENAME##*"wireless-tracker"*}" ]; then
+	if [ -n "${FILENAME##*"s3"*}" ] && [ -n "${FILENAME##*"-v3"*}" ] && [ -n "${FILENAME##*"t-deck"*}" ] && [ -n "${FILENAME##*"wireless-paper"*}" ] && [ -n "${FILENAME##*"wireless-tracker"*}" ]; then
+		if [ -n "${FILENAME##*"esp32c3"*}" ]; then
 			"$PYTHON" -m esptool write_flash 0x260000 bleota.bin
+		else
+			"$PYTHON" -m esptool write_flash 0x260000 bleota-c3.bin
+		fi
 	else
 		"$PYTHON" -m esptool write_flash 0x260000 bleota-s3.bin
 	fi

src/configuration.h

@@ -242,4 +242,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define MESHTASTIC_EXCLUDE_NEIGHBORINFO 1
 #define MESHTASTIC_EXCLUDE_TRACEROUTE 1
 #define MESHTASTIC_EXCLUDE_WAYPOINT 1
+#define MESHTASTIC_EXCLUDE_INPUTBROKER 1
+#define MESHTASTIC_EXCLUDE_SERIAL 1
 #endif

src/graphics/EInkDisplay2.cpp

@@ -71,28 +71,24 @@ bool EInkDisplay::forceDisplay(uint32_t msecLimit)
         }
     }
 
+    // Trigger the refresh in GxEPD2
     LOG_DEBUG("Updating E-Paper... ");
-
-#if false
-    // Currently unused; rescued from commented-out line during a refactor
-    // Use a meaningful macro here if variant doesn't want fast refresh
-
-    // Full update mode (slow)
-    adafruitDisplay->display(false)
-#else
-    // Fast update mode
     adafruitDisplay->nextPage();
-#endif
 
-#ifndef EINK_NO_HIBERNATE // Only hibernate if controller IC will preserve image memory
+    // End the update process
-    // Put screen to sleep to save power (possibly not necessary because we already did poweroff inside of display)
+    endUpdate();
-    adafruitDisplay->hibernate();
-#endif
 
     LOG_DEBUG("done\n");
     return true;
 }
 
+// End the update process - virtual method, overriden in derived class
+void EInkDisplay::endUpdate()
+{
+    // Power off display hardware, then deep-sleep (Except Wireless Paper V1.1, no deep-sleep)
+    adafruitDisplay->hibernate();
+}
+
 // Write the buffer to the display memory
 void EInkDisplay::display(void)
 {
@@ -188,6 +184,7 @@ bool EInkDisplay::connect()
         // Init GxEPD2
         adafruitDisplay->init();
         adafruitDisplay->setRotation(3);
+        adafruitDisplay->clearScreen(); // Clearing now, so the boot logo will draw nice and smoothe (fast refresh)
     }
 #elif defined(PCA10059)
     {

src/graphics/EInkDisplay2.h

@@ -45,6 +45,13 @@ class EInkDisplay : public OLEDDisplay
      */
     virtual bool forceDisplay(uint32_t msecLimit = 1000);
 
+    /**
+     * Run any code needed to complete an update, after the physical refresh has completed.
+     * Split from forceDisplay(), to enable async refresh in derived EInkDynamicDisplay class.
+     *
+     */
+    virtual void endUpdate();
+
     /**
      * shim to make the abstraction happy
      *

src/graphics/EInkDynamicDisplay.cpp

@@ -94,19 +94,29 @@ void EInkDynamicDisplay::adjustRefreshCounters()
 // Trigger the display update by calling base class
 bool EInkDynamicDisplay::update()
 {
+    // Detemine the refresh mode to use, and start the update
     bool refreshApproved = determineMode();
     if (refreshApproved)
         EInkDisplay::forceDisplay(0); // Bypass base class' own rate-limiting system
+
+#if defined(HAS_EINK_ASYNCFULL)
+    if (refreshApproved)
+        endOrDetach(); // Either endUpdate() right now (fast refresh), or set the async flag (full refresh)
+#endif
+
     return refreshApproved; // (Unutilized) Base class promises to return true if update ran
 }
 
 // Assess situation, pick a refresh type
 bool EInkDynamicDisplay::determineMode()
 {
-    checkWasFlooded();
+    checkForPromotion();
+#if defined(HAS_EINK_ASYNCFULL)
+    checkAsyncFullRefresh();
+#endif
     checkRateLimiting();
 
-    // If too soon for a new time, abort here
+    // If too soon for a new frame, or display busy, abort early
     if (refresh == SKIPPED) {
         storeAndReset();
         return false; // No refresh
@@ -116,7 +126,7 @@ bool EInkDynamicDisplay::determineMode()
 
     resetRateLimiting(); // Once determineMode() ends, will have to wait again
     hashImage();         // Generate here, so we can still copy it to previousImageHash, even if we skip the comparison check
-    LOG_DEBUG("EInkDynamicDisplay: "); // Begin log entry
+    LOG_DEBUG("determineMode(): "); // Begin log entry
 
     // Once mode determined, any remaining checks will bypass
     checkCosmetic();
@@ -151,13 +161,25 @@ bool EInkDynamicDisplay::determineMode()
     }
 }
 
-// Did RESPONSIVE frames previously exceed the rate-limit for fast refresh?
+// Was a frame skipped (rate, display busy) that should have been a FAST refresh?
-void EInkDynamicDisplay::checkWasFlooded()
+void EInkDynamicDisplay::checkForPromotion()
 {
-    if (previousReason == EXCEEDED_RATELIMIT_FAST) {
+    // If a frame was skipped (rate, display busy), then promote a BACKGROUND frame
-        // If so, allow a BACKGROUND frame to draw as RESPONSIVE
+    // Because we DID want a RESPONSIVE/COSMETIC/DEMAND_FULL frame last time, we just didn't get it
-        // Because we DID want a RESPONSIVE frame last time, we just didn't get it
+
+    switch (previousReason) {
+    case ASYNC_REFRESH_BLOCKED_DEMANDFAST:
+        setFrameFlag(DEMAND_FAST);
+        break;
+    case ASYNC_REFRESH_BLOCKED_COSMETIC:
+        setFrameFlag(COSMETIC);
+        break;
+    case ASYNC_REFRESH_BLOCKED_RESPONSIVE:
+    case EXCEEDED_RATELIMIT_FAST:
         setFrameFlag(RESPONSIVE);
+        break;
+    default:
+        break;
     }
 }
 
@@ -381,4 +403,54 @@ void EInkDynamicDisplay::resetGhostPixelTracking()
 }
 #endif // EINK_LIMIT_GHOSTING_PX
 
+#ifdef HAS_EINK_ASYNCFULL
+// Check the status of an "async full-refresh", and run the finish-up code if the hardware is ready
+void EInkDynamicDisplay::checkAsyncFullRefresh()
+{
+    // No refresh taking place, continue with determineMode()
+    if (!asyncRefreshRunning)
+        return;
+
+    // Full refresh still running
+    if (adafruitDisplay->epd2.isBusy()) {
+        // No refresh
+        refresh = SKIPPED;
+
+        // Set the reason, marking what type of frame we're skipping
+        if (frameFlags & DEMAND_FAST)
+            reason = ASYNC_REFRESH_BLOCKED_DEMANDFAST;
+        else if (frameFlags & COSMETIC)
+            reason = ASYNC_REFRESH_BLOCKED_COSMETIC;
+        else if (frameFlags & RESPONSIVE)
+            reason = ASYNC_REFRESH_BLOCKED_RESPONSIVE;
+        else
+            reason = ASYNC_REFRESH_BLOCKED_BACKGROUND;
+
+        return;
+    }
+
+    // If we asyncRefreshRunning flag is still set, but display's BUSY pin reports the refresh is done
+    adafruitDisplay->endAsyncFull(); // Run the end of nextPage() code
+    EInkDisplay::endUpdate();        // Run base-class code to finish off update (NOT our derived class override)
+    asyncRefreshRunning = false;     // Unset the flag
+    LOG_DEBUG("Async full-refresh complete\n");
+
+    // Note: this code only works because of a modification to meshtastic/GxEPD2.
+    // It is only equipped to intercept calls to nextPage()
+}
+
+// Figure out who runs the post-update code
+void EInkDynamicDisplay::endOrDetach()
+{
+    if (previousRefresh == FULL) {  // Note: previousRefresh is the refresh from this loop.
+        asyncRefreshRunning = true; // Set the flag - picked up at start of determineMode(), next loop.
+        LOG_DEBUG("Async full-refresh begins\n");
+    }
+
+    // Fast Refresh
+    else
+        EInkDisplay::endUpdate(); // Still block while updating, but EInkDisplay needs us to call endUpdate() ourselves.
+}
+#endif // HAS_EINK_ASYNCFULL
+
 #endif // USE_EINK_DYNAMICDISPLAY

src/graphics/EInkDynamicDisplay.h

@@ -44,6 +44,11 @@ class EInkDynamicDisplay : public EInkDisplay
     };
     enum reasonTypes : uint8_t { // How was the decision reached
         NO_OBJECTIONS,
+        ASYNC_REFRESH_BLOCKED_DEMANDFAST,
+        ASYNC_REFRESH_BLOCKED_COSMETIC,
+        ASYNC_REFRESH_BLOCKED_RESPONSIVE,
+        ASYNC_REFRESH_BLOCKED_BACKGROUND,
+        DISPLAY_NOT_READY_FOR_FULL,
         EXCEEDED_RATELIMIT_FAST,
         EXCEEDED_RATELIMIT_FULL,
         FLAGGED_COSMETIC,
@@ -64,7 +69,7 @@ class EInkDynamicDisplay : public EInkDisplay
     bool update();                // Trigger the display update - determine mode, then call base class
 
     // Checks as part of determineMode()
-    void checkWasFlooded();               // Was the previous frame skipped for exceeding EINK_LIMIT_RATE_RESPONSIVE_SEC?
+    void checkForPromotion();             // Was a frame skipped (rate, display busy) that should have been a FAST refresh?
     void checkRateLimiting();             // Is this frame too soon?
     void checkCosmetic();                 // Was the COSMETIC flag set?
     void checkDemandingFast();            // Was the DEMAND_FAST flag set?
@@ -99,6 +104,14 @@ class EInkDynamicDisplay : public EInkDisplay
     uint8_t *dirtyPixels;           // Any pixels that have been black since last full-refresh (dynamically allocated mem)
     uint32_t ghostPixelCount = 0;   // Number of pixels with problematic ghosting. Retained here for LOG_DEBUG use
 #endif
+
+    // Conditional - async full refresh - only with modified meshtastic/GxEPD2
+#if defined(HAS_EINK_ASYNCFULL)
+    void checkAsyncFullRefresh(); // Check the status of "async full-refresh"; run the post-update code if the hardware is ready
+    void endOrDetach();           // Run the post-update code, or delegate it off to checkAsyncFullRefresh()
+    void endUpdate() override {}  // Disable base-class behavior of running post-update immediately after forceDisplay()
+    bool asyncRefreshRunning = false; // Flag, checked by checkAsyncFullRefresh()
+#endif
 };
 
 #endif

src/modules/Modules.cpp

@@ -39,11 +39,11 @@
 #if HAS_TELEMETRY
 #include "modules/Telemetry/DeviceTelemetry.h"
 #endif
-#if HAS_SENSOR && !EXCLUDE_ENVIRONMENTAL_SENSOR
+#if HAS_SENSOR && !MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR
 #include "modules/Telemetry/AirQualityTelemetry.h"
 #include "modules/Telemetry/EnvironmentTelemetry.h"
 #endif
-#if HAS_TELEMETRY && !defined(ARCH_PORTDUINO) && !EXCLUDE_POWER_TELEMETRY
+#if HAS_TELEMETRY && !defined(ARCH_PORTDUINO) && !MESHTASTIC_EXCLUDE_POWER_TELEMETRY
 #include "modules/Telemetry/PowerTelemetry.h"
 #endif
 #ifdef ARCH_ESP32
@@ -138,13 +138,13 @@ void setupModules()
 #if HAS_TELEMETRY && !defined(ARCH_PORTDUINO)
         new DeviceTelemetryModule();
 #endif
-#if HAS_SENSOR && !EXCLUDE_ENVIRONMENTAL_SENSOR
+#if HAS_SENSOR && !MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR
         new EnvironmentTelemetryModule();
         if (nodeTelemetrySensorsMap[meshtastic_TelemetrySensorType_PMSA003I].first > 0) {
             new AirQualityTelemetryModule();
         }
 #endif
-#if HAS_TELEMETRY && !defined(ARCH_PORTDUINO) && !EXCLUDE_POWER_TELEMETRY
+#if HAS_TELEMETRY && !defined(ARCH_PORTDUINO) && !MESHTASTIC_EXCLUDE_POWER_TELEMETRY
         new PowerTelemetryModule();
 #endif
 #if (defined(ARCH_ESP32) || defined(ARCH_NRF52) || defined(ARCH_RP2040)) && !defined(CONFIG_IDF_TARGET_ESP32S2) &&               \

src/modules/Telemetry/Sensor/SHT31Sensor.cpp

@@ -12,7 +12,7 @@ int32_t SHT31Sensor::runOnce()
     if (!hasSensor()) {
         return DEFAULT_SENSOR_MINIMUM_WAIT_TIME_BETWEEN_READS;
     }
-    status = sht31.begin();
+    status = sht31.begin(nodeTelemetrySensorsMap[sensorType].first);
     return initI2CSensor();
 }
 

src/modules/Telemetry/Sensor/SHT31Sensor.h

@@ -5,7 +5,7 @@
 class SHT31Sensor : public TelemetrySensor
 {
   private:
-    Adafruit_SHT31 sht31 = Adafruit_SHT31();
+    Adafruit_SHT31 sht31 = Adafruit_SHT31(nodeTelemetrySensorsMap[sensorType].second);
 
   protected:
     virtual void setup() override;

variants/heltec_wireless_paper/platformio.ini

@@ -16,7 +16,7 @@ build_flags =
   -D EINK_BACKGROUND_USES_FAST          ; (Optional) Use FAST refresh for both BACKGROUND and RESPONSIVE, until a limit is reached.
 lib_deps =
   ${esp32s3_base.lib_deps}
-  https://github.com/meshtastic/GxEPD2
+  https://github.com/meshtastic/GxEPD2/
   adafruit/Adafruit BusIO@^1.13.2
   lewisxhe/PCF8563_Library@^1.0.1
 upload_speed = 115200

variants/heltec_wireless_paper/variant.h

@@ -5,7 +5,6 @@
 #define I2C_SCL SCL
 
 #define USE_EINK
-#define EINK_NO_HIBERNATE
 
 /*
  * eink display pins

variants/t-echo/platformio.ini

@@ -11,10 +11,16 @@ build_flags = ${nrf52840_base.build_flags} -Ivariants/t-echo
   -DEINK_DISPLAY_MODEL=GxEPD2_154_D67
   -DEINK_WIDTH=200
   -DEINK_HEIGHT=200
+  -DUSE_EINK_DYNAMICDISPLAY            ; Enable Dynamic EInk
+  -DEINK_LIMIT_FASTREFRESH=20          ; How many consecutive fast-refreshes are permitted
+  -DEINK_LIMIT_RATE_BACKGROUND_SEC=30  ; Minimum interval between BACKGROUND updates
+  -DEINK_LIMIT_RATE_RESPONSIVE_SEC=1   ; Minimum interval between RESPONSIVE updates
+  -DEINK_LIMIT_GHOSTING_PX=2000        ; (Optional) How much image ghosting is tolerated
+  -DEINK_BACKGROUND_USES_FAST          ; (Optional) Use FAST refresh for both BACKGROUND and RESPONSIVE, until a limit is reached.
 build_src_filter = ${nrf52_base.build_src_filter} +<../variants/t-echo>
 lib_deps = 
   ${nrf52840_base.lib_deps}
-  https://github.com/meshtastic/GxEPD2#afce87a97dda1ac31d8a28dc8fa7c6f55dc96a61
+  https://github.com/meshtastic/GxEPD2
   adafruit/Adafruit BusIO@^1.13.2
   lewisxhe/PCF8563_Library@^1.0.1
 ;upload_protocol = fs