Remove button fix for further investigation

Co-authored-by: sachaw <11172820+sachaw@users.noreply.github.com>

.github/ISSUE_TEMPLATE/Bug Report.yml

@@ -72,6 +72,15 @@ body:
     validations:
       required: true
 
+  - type: checkboxes
+    id: mui
+    attributes:
+      label: Is this bug report about any UI component firmware like InkHUD or Meshtatic UI (MUI)?
+      options:
+        - label: Meshtastic UI aka MUI colorTFT
+        - label: InkHUD ePaper
+        - label: OLED slide UI on any display
+
   - type: input
     id: version
     attributes:

.trunk/trunk.yaml

@@ -9,14 +9,14 @@ plugins:
 lint:
   enabled:
     - prettier@3.5.3
-    - trufflehog@3.88.17
+    - trufflehog@3.88.18
-    - yamllint@1.36.2
+    - yamllint@1.37.0
     - bandit@1.8.3
-    - checkov@3.2.386
+    - checkov@3.2.392
     - terrascan@1.19.9
     - trivy@0.60.0
     - taplo@0.9.3
-    - ruff@0.11.0
+    - ruff@0.11.2
     - isort@6.0.1
     - markdownlint@0.44.0
     - oxipng@9.1.4
@@ -28,7 +28,7 @@ lint:
     - shellcheck@0.10.0
     - black@25.1.0
     - git-diff-check
-    - gitleaks@8.24.0
+    - gitleaks@8.24.2
     - clang-format@16.0.3
   ignore:
     - linters: [ALL]

arch/portduino/portduino.ini

@@ -1,6 +1,6 @@
 ; The Portduino based 'native' environment. Currently supported on Linux targets with real LoRa hardware (or simulated).
 [portduino_base]
-platform = https://github.com/meshtastic/platform-native.git#df71ed0040e9aad767a002829330965b78fc452a
+platform = https://github.com/meshtastic/platform-native.git#e82ba1a19b6cd1dc55cbde29b33ea8dd0640014f
 framework = arduino
 
 build_src_filter = 

arch/stm32/stm32.ini

@@ -1,13 +1,14 @@
 [stm32_base]
 extends = arduino_base
-platform = platformio/ststm32
+platform = ststm32
-platform_packages = platformio/framework-arduinoststm32@^4.20900.0
+platform_packages = platformio/framework-arduinoststm32@https://github.com/stm32duino/Arduino_Core_STM32.git#2.9.0
+extra_scripts =
+  ${env.extra_scripts}
+  post:extra_scripts/extra_stm32.py
 
 build_type = release
 
-;board_build.flash_offset = 0x08000000
+build_flags =
-
-build_flags = 
   ${arduino_base.build_flags}
   -flto
   -Isrc/platform/stm32wl -g
@@ -18,27 +19,24 @@ build_flags =
   -DMESHTASTIC_EXCLUDE_SCREEN
   -DMESHTASTIC_EXCLUDE_MQTT
   -DMESHTASTIC_EXCLUDE_BLUETOOTH
-  -DMESHTASTIC_EXCLUDE_PKI
   -DMESHTASTIC_EXCLUDE_GPS
-;  -DVECT_TAB_OFFSET=0x08000000
+  ;-DDEBUG_MUTE
-  -DconfigUSE_CMSIS_RTOS_V2=1
-;  -DSPI_MODE_0=SPI_MODE0
   -fmerge-all-constants
   -ffunction-sections
   -fdata-sections
-  
+
-build_src_filter = 
+build_src_filter =
   ${arduino_base.build_src_filter} -<platform/esp32/> -<nimble/> -<mesh/api/> -<mesh/wifi/> -<mesh/http/> -<modules/esp32> -<mesh/eth/> -<input> -<buzz> -<modules/RemoteHardwareModule.cpp> -<platform/nrf52> -<platform/portduino> -<platform/rp2xx0> -<mesh/raspihttp>
 
 board_upload.offset_address = 0x08000000
 upload_protocol = stlink
+debug_tool = stlink
 
 lib_deps =
   ${env.lib_deps}
-  charlesbaynham/OSFS@^1.2.3
+  ${radiolib_base.lib_deps}
-  jgromes/RadioLib@7.0.2
+  https://github.com/caveman99/Crypto.git#eae9c768054118a9399690f8af202853d1ae8516
-  https://github.com/caveman99/Crypto.git#f61ae26a53f7a2d0ba5511625b8bf8eff3a35d5e
 
 lib_ignore =
   mathertel/OneButton@2.6.1
-  Wire
+  Wire

extra_scripts/extra_stm32.py

@@ -0,0 +1,22 @@
+# trunk-ignore-all(ruff/F821)
+# trunk-ignore-all(flake8/F821): For SConstruct imports
+
+Import("env")
+# Custom HEX from ELF
+env.AddPostAction(
+    "$BUILD_DIR/${PROGNAME}.elf",
+    env.VerboseAction(
+        " ".join(
+            [
+                "$OBJCOPY",
+                "-O",
+                "ihex",
+                "-R",
+                ".eeprom",
+                "$BUILD_DIR/${PROGNAME}.elf",
+                "$BUILD_DIR/${PROGNAME}.hex",
+            ]
+        ),
+        "Building $BUILD_DIR/${PROGNAME}.hex",
+    ),
+)

platformio.ini

@@ -94,7 +94,7 @@ lib_deps =
 
 [device-ui_base]
 lib_deps =
-	https://github.com/meshtastic/device-ui.git#74e739ed4532ca10393df9fc89ae5a22f0bab2b1
+	https://github.com/meshtastic/device-ui.git#7a6ffba3c86901b0e3234b6c056aa803b4cd8854
 
 ; Common libs for environmental measurements in telemetry module
 ; (not included in native / portduino)

src/AudioThread.h

@@ -41,10 +41,8 @@ class AudioThread : public concurrency::OSThread
             delete i2sRtttl;
             i2sRtttl = nullptr;
         }
-        if (rtttlFile != nullptr) {
+        delete rtttlFile;
-            delete rtttlFile;
+        rtttlFile = nullptr;
-            rtttlFile = nullptr;
-        }
 
         setCPUFast(false);
     }

src/ButtonThread.cpp

@@ -47,7 +47,7 @@ ButtonThread::ButtonThread() : OSThread("Button")
 #ifdef USERPREFS_BUTTON_PIN
     int pin = config.device.button_gpio ? config.device.button_gpio : USERPREFS_BUTTON_PIN; // Resolved button pin
 #endif
-#if defined(HELTEC_CAPSULE_SENSOR_V3)
+#if defined(HELTEC_CAPSULE_SENSOR_V3) || defined(HELTEC_SENSOR_HUB)
     this->userButton = OneButton(pin, false, false);
 #elif defined(BUTTON_ACTIVE_LOW)
     this->userButton = OneButton(pin, BUTTON_ACTIVE_LOW, BUTTON_ACTIVE_PULLUP);

src/FSCommon.cpp

@@ -29,30 +29,6 @@ SPIClass SPI1(HSPI);
 
 #endif // HAS_SDCARD
 
-#if defined(ARCH_STM32WL)
-
-uint16_t OSFS::startOfEEPROM = 1;
-uint16_t OSFS::endOfEEPROM = 2048;
-
-// 3) How do I read from the medium?
-void OSFS::readNBytes(uint16_t address, unsigned int num, byte *output)
-{
-    for (uint16_t i = address; i < address + num; i++) {
-        *output = EEPROM.read(i);
-        output++;
-    }
-}
-
-// 4) How to I write to the medium?
-void OSFS::writeNBytes(uint16_t address, unsigned int num, const byte *input)
-{
-    for (uint16_t i = address; i < address + num; i++) {
-        EEPROM.update(i, *input);
-        input++;
-    }
-}
-#endif
-
 /**
  * @brief Copies a file from one location to another.
  *
@@ -62,33 +38,7 @@ void OSFS::writeNBytes(uint16_t address, unsigned int num, const byte *input)
  */
 bool copyFile(const char *from, const char *to)
 {
-#ifdef ARCH_STM32WL
+#ifdef FSCom
-    unsigned char cbuffer[2048];
-
-    // Var to hold the result of actions
-    OSFS::result r;
-
-    r = OSFS::getFile(from, cbuffer);
-
-    if (r == notfound) {
-        LOG_ERROR("Failed to open source file %s", from);
-        return false;
-    } else if (r == noerr) {
-        r = OSFS::newFile(to, cbuffer, true);
-        if (r == noerr) {
-            return true;
-        } else {
-            LOG_ERROR("OSFS Error %d", r);
-            return false;
-        }
-
-    } else {
-        LOG_ERROR("OSFS Error %d", r);
-        return false;
-    }
-    return true;
-
-#elif defined(FSCom)
     // take SPI Lock
     concurrency::LockGuard g(spiLock);
     unsigned char cbuffer[16];
@@ -127,13 +77,7 @@ bool copyFile(const char *from, const char *to)
  */
 bool renameFile(const char *pathFrom, const char *pathTo)
 {
-#ifdef ARCH_STM32WL
+#ifdef FSCom
-    if (copyFile(pathFrom, pathTo) && (OSFS::deleteFile(pathFrom) == OSFS::result::NO_ERROR)) {
-        return true;
-    } else {
-        return false;
-    }
-#elif defined(FSCom)
 
 #ifdef ARCH_ESP32
     // take SPI Lock

src/FSCommon.h

@@ -15,13 +15,11 @@
 #endif
 
 #if defined(ARCH_STM32WL)
-// STM32WL series 2 Kbytes (8 rows of 256 bytes)
+// STM32WL
-#include <EEPROM.h>
+#include "LittleFS.h"
-#include <OSFS.h>
+#define FSCom InternalFS
-
+#define FSBegin() FSCom.begin()
-// Useful consts
+using namespace STM32_LittleFS_Namespace;
-const OSFS::result noerr = OSFS::result::NO_ERROR;
-const OSFS::result notfound = OSFS::result::FILE_NOT_FOUND;
 #endif
 
 #if defined(ARCH_RP2040)

src/Power.cpp

@@ -391,7 +391,7 @@ class AnalogBatteryLevel : public HasBatteryLevel
     virtual bool isVbusIn() override
     {
 #ifdef EXT_PWR_DETECT
-#ifdef HELTEC_CAPSULE_SENSOR_V3
+#if defined(HELTEC_CAPSULE_SENSOR_V3) || defined(HELTEC_SENSOR_HUB)
         // if external powered that pin will be pulled down
         if (digitalRead(EXT_PWR_DETECT) == LOW) {
             return true;
@@ -541,7 +541,7 @@ Power::Power() : OSThread("Power")
 bool Power::analogInit()
 {
 #ifdef EXT_PWR_DETECT
-#ifdef HELTEC_CAPSULE_SENSOR_V3
+#if defined(HELTEC_CAPSULE_SENSOR_V3) || defined(HELTEC_SENSOR_HUB)
     pinMode(EXT_PWR_DETECT, INPUT_PULLUP);
 #else
     pinMode(EXT_PWR_DETECT, INPUT);

src/configuration.h

@@ -152,6 +152,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define MLX90614_ADDR_DEF 0x5A
 #define CGRADSENS_ADDR 0x66
 #define LTR390UV_ADDR 0x53
+#define XPOWERS_AXP192_AXP2101_ADDRESS 0x34 // same adress as TCA8418
 
 // -----------------------------------------------------------------------------
 // ACCELEROMETER

src/detect/ScanI2C.cpp

@@ -31,8 +31,8 @@ ScanI2C::FoundDevice ScanI2C::firstRTC() const
 
 ScanI2C::FoundDevice ScanI2C::firstKeyboard() const
 {
-    ScanI2C::DeviceType types[] = {CARDKB, TDECKKB, BBQ10KB, RAK14004, MPR121KB};
+    ScanI2C::DeviceType types[] = {CARDKB, TDECKKB, BBQ10KB, RAK14004, MPR121KB, TCA8418KB};
-    return firstOfOrNONE(5, types);
+    return firstOfOrNONE(6, types);
 }
 
 ScanI2C::FoundDevice ScanI2C::firstAccelerometer() const
@@ -74,4 +74,4 @@ bool ScanI2C::DeviceAddress::operator<(const ScanI2C::DeviceAddress &other) cons
         || (port != NO_I2C && other.port != NO_I2C && (address < other.address));
 }
 
-ScanI2C::FoundDevice::FoundDevice(ScanI2C::DeviceType type, ScanI2C::DeviceAddress address) : type(type), address(address) {}
+ScanI2C::FoundDevice::FoundDevice(ScanI2C::DeviceType type, ScanI2C::DeviceAddress address) : type(type), address(address) {}

src/detect/ScanI2C.h

@@ -18,7 +18,7 @@ class ScanI2C
         TDECKKB,
         BBQ10KB,
         RAK14004,
-        PMU_AXP192_AXP2101,
+        PMU_AXP192_AXP2101, // has the same address as the TCA8418KB
         BME_680,
         BME_280,
         BMP_280,
@@ -69,6 +69,7 @@ class ScanI2C
         DFROBOT_RAIN,
         DPS310,
         LTR390UV,
+        TCA8418KB,
     } DeviceType;
 
     // typedef uint8_t DeviceAddress;
@@ -132,4 +133,4 @@ class ScanI2C
 
   private:
     bool shouldSuppressScreen = false;
-};
+};

src/detect/ScanI2CTwoWire.cpp

@@ -10,11 +10,6 @@
 #include "meshUtils.h" // vformat
 #endif
 
-// AXP192 and AXP2101 have the same device address, we just need to identify it in Power.cpp
-#ifndef XPOWERS_AXP192_AXP2101_ADDRESS
-#define XPOWERS_AXP192_AXP2101_ADDRESS 0x34
-#endif
-
 bool in_array(uint8_t *array, int size, uint8_t lookfor)
 {
     int i;
@@ -211,6 +206,18 @@ void ScanI2CTwoWire::scanPort(I2CPort port, uint8_t *address, uint8_t asize)
                 }
                 break;
 
+            case XPOWERS_AXP192_AXP2101_ADDRESS:
+                // Do we have the TCA8418 instead?
+                registerValue = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0x02), 1);
+                if ((registerValue & 0b11100000) == 0) {
+                    logFoundDevice("TCA8418", (uint8_t)addr.address);
+                    type = TCA8418KB;
+                } else {
+                    logFoundDevice("AXP192/AXP2101", (uint8_t)addr.address);
+                    type = PMU_AXP192_AXP2101;
+                }
+                break;
+
                 SCAN_SIMPLE_CASE(TDECK_KB_ADDR, TDECKKB, "T-Deck keyboard", (uint8_t)addr.address);
                 SCAN_SIMPLE_CASE(BBQ10_KB_ADDR, BBQ10KB, "BB Q10", (uint8_t)addr.address);
 
@@ -218,9 +225,7 @@ void ScanI2CTwoWire::scanPort(I2CPort port, uint8_t *address, uint8_t asize)
 #ifdef HAS_NCP5623
                 SCAN_SIMPLE_CASE(NCP5623_ADDR, NCP5623, "NCP5623", (uint8_t)addr.address);
 #endif
-#ifdef HAS_PMU
+
-                SCAN_SIMPLE_CASE(XPOWERS_AXP192_AXP2101_ADDRESS, PMU_AXP192_AXP2101, "AXP192/AXP2101", (uint8_t)addr.address)
-#endif
             case BME_ADDR:
             case BME_ADDR_ALTERNATE:
                 registerValue = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0xD0), 1); // GET_ID
@@ -536,4 +541,4 @@ void ScanI2CTwoWire::logFoundDevice(const char *device, uint8_t address)
 {
     LOG_INFO("%s found at address 0x%x", device, address);
 }
-#endif
+#endif

src/gps/GPS.cpp

@@ -1200,12 +1200,12 @@ GnssModel_t GPS::probe(int serialSpeed)
     PROBE_SIMPLE("LC86", "$PQTMVERNO*58", "$PQTMVERNO,LC86", GNSS_MODEL_AG3352, 500);
     PROBE_SIMPLE("L76K", "$PCAS06,0*1B", "$GPTXT,01,01,02,SW=", GNSS_MODEL_MTK, 500);
 
-    // Close all NMEA sentences, valid for L76B MTK platform (Waveshare Pico GPS)
+    // Close all NMEA sentences, valid for MTK3333 and MTK3339 platforms
     _serial_gps->write("$PMTK514,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0*2E\r\n");
     delay(20);
     std::vector<ChipInfo> mtk = {{"L76B", "Quectel-L76B", GNSS_MODEL_MTK_L76B},
                                  {"PA1616S", "1616S", GNSS_MODEL_MTK_PA1616S},
-                                 {"LS20031", "MC-1513", GNSS_MODEL_LS20031}};
+                                 {"LS20031", "MC-1513", GNSS_MODEL_MTK_L76B}};
     PROBE_FAMILY("MTK Family", "$PMTK605*31", mtk, 500);
 
     uint8_t cfg_rate[] = {0xB5, 0x62, 0x06, 0x08, 0x00, 0x00, 0x00, 0x00};

src/graphics/tftSetup.cpp

@@ -119,7 +119,7 @@ void tftSetup(void)
 #ifdef ARCH_ESP32
     tftSleepObserver.observe(&notifyLightSleep);
     endSleepObserver.observe(&notifyLightSleepEnd);
-    xTaskCreatePinnedToCore(tft_task_handler, "tft", 8192, NULL, 1, NULL, 0);
+    xTaskCreatePinnedToCore(tft_task_handler, "tft", 10240, NULL, 1, NULL, 0);
 #endif
 }
 

src/input/TCA8418Keyboard.cpp

@@ -0,0 +1,561 @@
+// Based on the MPR121 Keyboard and Adafruit TCA8418 library
+
+#include "TCA8418Keyboard.h"
+#include "configuration.h"
+
+#include <Arduino.h>
+
+// REGISTERS
+// #define _TCA8418_REG_RESERVED 0x00
+#define _TCA8418_REG_CFG 0x01             // Configuration register
+#define _TCA8418_REG_INT_STAT 0x02        // Interrupt status
+#define _TCA8418_REG_KEY_LCK_EC 0x03      // Key lock and event counter
+#define _TCA8418_REG_KEY_EVENT_A 0x04     // Key event register A
+#define _TCA8418_REG_KEY_EVENT_B 0x05     // Key event register B
+#define _TCA8418_REG_KEY_EVENT_C 0x06     // Key event register C
+#define _TCA8418_REG_KEY_EVENT_D 0x07     // Key event register D
+#define _TCA8418_REG_KEY_EVENT_E 0x08     // Key event register E
+#define _TCA8418_REG_KEY_EVENT_F 0x09     // Key event register F
+#define _TCA8418_REG_KEY_EVENT_G 0x0A     // Key event register G
+#define _TCA8418_REG_KEY_EVENT_H 0x0B     // Key event register H
+#define _TCA8418_REG_KEY_EVENT_I 0x0C     // Key event register I
+#define _TCA8418_REG_KEY_EVENT_J 0x0D     // Key event register J
+#define _TCA8418_REG_KP_LCK_TIMER 0x0E    // Keypad lock1 to lock2 timer
+#define _TCA8418_REG_UNLOCK_1 0x0F        // Unlock register 1
+#define _TCA8418_REG_UNLOCK_2 0x10        // Unlock register 2
+#define _TCA8418_REG_GPIO_INT_STAT_1 0x11 // GPIO interrupt status 1
+#define _TCA8418_REG_GPIO_INT_STAT_2 0x12 // GPIO interrupt status 2
+#define _TCA8418_REG_GPIO_INT_STAT_3 0x13 // GPIO interrupt status 3
+#define _TCA8418_REG_GPIO_DAT_STAT_1 0x14 // GPIO data status 1
+#define _TCA8418_REG_GPIO_DAT_STAT_2 0x15 // GPIO data status 2
+#define _TCA8418_REG_GPIO_DAT_STAT_3 0x16 // GPIO data status 3
+#define _TCA8418_REG_GPIO_DAT_OUT_1 0x17  // GPIO data out 1
+#define _TCA8418_REG_GPIO_DAT_OUT_2 0x18  // GPIO data out 2
+#define _TCA8418_REG_GPIO_DAT_OUT_3 0x19  // GPIO data out 3
+#define _TCA8418_REG_GPIO_INT_EN_1 0x1A   // GPIO interrupt enable 1
+#define _TCA8418_REG_GPIO_INT_EN_2 0x1B   // GPIO interrupt enable 2
+#define _TCA8418_REG_GPIO_INT_EN_3 0x1C   // GPIO interrupt enable 3
+#define _TCA8418_REG_KP_GPIO_1 0x1D       // Keypad/GPIO select 1
+#define _TCA8418_REG_KP_GPIO_2 0x1E       // Keypad/GPIO select 2
+#define _TCA8418_REG_KP_GPIO_3 0x1F       // Keypad/GPIO select 3
+#define _TCA8418_REG_GPI_EM_1 0x20        // GPI event mode 1
+#define _TCA8418_REG_GPI_EM_2 0x21        // GPI event mode 2
+#define _TCA8418_REG_GPI_EM_3 0x22        // GPI event mode 3
+#define _TCA8418_REG_GPIO_DIR_1 0x23      // GPIO data direction 1
+#define _TCA8418_REG_GPIO_DIR_2 0x24      // GPIO data direction 2
+#define _TCA8418_REG_GPIO_DIR_3 0x25      // GPIO data direction 3
+#define _TCA8418_REG_GPIO_INT_LVL_1 0x26  // GPIO edge/level detect 1
+#define _TCA8418_REG_GPIO_INT_LVL_2 0x27  // GPIO edge/level detect 2
+#define _TCA8418_REG_GPIO_INT_LVL_3 0x28  // GPIO edge/level detect 3
+#define _TCA8418_REG_DEBOUNCE_DIS_1 0x29  // Debounce disable 1
+#define _TCA8418_REG_DEBOUNCE_DIS_2 0x2A  // Debounce disable 2
+#define _TCA8418_REG_DEBOUNCE_DIS_3 0x2B  // Debounce disable 3
+#define _TCA8418_REG_GPIO_PULL_1 0x2C     // GPIO pull-up disable 1
+#define _TCA8418_REG_GPIO_PULL_2 0x2D     // GPIO pull-up disable 2
+#define _TCA8418_REG_GPIO_PULL_3 0x2E     // GPIO pull-up disable 3
+// #define _TCA8418_REG_RESERVED 0x2F
+
+// FIELDS CONFIG REGISTER  1
+#define _TCA8418_REG_CFG_AI 0x80           // Auto-increment for read/write
+#define _TCA8418_REG_CFG_GPI_E_CGF 0x40    // Event mode config
+#define _TCA8418_REG_CFG_OVR_FLOW_M 0x20   // Overflow mode enable
+#define _TCA8418_REG_CFG_INT_CFG 0x10      // Interrupt config
+#define _TCA8418_REG_CFG_OVR_FLOW_IEN 0x08 // Overflow interrupt enable
+#define _TCA8418_REG_CFG_K_LCK_IEN 0x04    // Keypad lock interrupt enable
+#define _TCA8418_REG_CFG_GPI_IEN 0x02      // GPI interrupt enable
+#define _TCA8418_REG_CFG_KE_IEN 0x01       // Key events interrupt enable
+
+// FIELDS INT_STAT REGISTER  2
+#define _TCA8418_REG_STAT_CAD_INT 0x10      // Ctrl-alt-del seq status
+#define _TCA8418_REG_STAT_OVR_FLOW_INT 0x08 // Overflow interrupt status
+#define _TCA8418_REG_STAT_K_LCK_INT 0x04    // Key lock interrupt status
+#define _TCA8418_REG_STAT_GPI_INT 0x02      // GPI interrupt status
+#define _TCA8418_REG_STAT_K_INT 0x01        // Key events interrupt status
+
+// FIELDS  KEY_LCK_EC REGISTER 3
+#define _TCA8418_REG_LCK_EC_K_LCK_EN 0x40 // Key lock enable
+#define _TCA8418_REG_LCK_EC_LCK_2 0x20    // Keypad lock status 2
+#define _TCA8418_REG_LCK_EC_LCK_1 0x10    // Keypad lock status 1
+#define _TCA8418_REG_LCK_EC_KLEC_3 0x08   // Key event count bit 3
+#define _TCA8418_REG_LCK_EC_KLEC_2 0x04   // Key event count bit 2
+#define _TCA8418_REG_LCK_EC_KLEC_1 0x02   // Key event count bit 1
+#define _TCA8418_REG_LCK_EC_KLEC_0 0x01   // Key event count bit 0
+
+// Pin IDs for matrix rows/columns
+enum {
+    _TCA8418_ROW0, // Pin ID for row 0
+    _TCA8418_ROW1, // Pin ID for row 1
+    _TCA8418_ROW2, // Pin ID for row 2
+    _TCA8418_ROW3, // Pin ID for row 3
+    _TCA8418_ROW4, // Pin ID for row 4
+    _TCA8418_ROW5, // Pin ID for row 5
+    _TCA8418_ROW6, // Pin ID for row 6
+    _TCA8418_ROW7, // Pin ID for row 7
+    _TCA8418_COL0, // Pin ID for column 0
+    _TCA8418_COL1, // Pin ID for column 1
+    _TCA8418_COL2, // Pin ID for column 2
+    _TCA8418_COL3, // Pin ID for column 3
+    _TCA8418_COL4, // Pin ID for column 4
+    _TCA8418_COL5, // Pin ID for column 5
+    _TCA8418_COL6, // Pin ID for column 6
+    _TCA8418_COL7, // Pin ID for column 7
+    _TCA8418_COL8, // Pin ID for column 8
+    _TCA8418_COL9  // Pin ID for column 9
+};
+
+#define _TCA8418_COLS 3
+#define _TCA8418_ROWS 4
+#define _TCA8418_NUM_KEYS 12
+
+uint8_t TCA8418TapMod[_TCA8418_NUM_KEYS] = {13, 7, 7, 7, 7, 7,
+                                            9,  7, 9, 2, 2, 2}; // Num chars per key, Modulus for rotating through characters
+
+unsigned char TCA8418TapMap[_TCA8418_NUM_KEYS][13] = {
+    {'1', '.', ',', '?', '!', ':', ';', '-', '_', '\\', '/', '(', ')'}, // 1
+    {'2', 'a', 'b', 'c', 'A', 'B', 'C'},                                // 2
+    {'3', 'd', 'e', 'f', 'D', 'E', 'F'},                                // 3
+    {'4', 'g', 'h', 'i', 'G', 'H', 'I'},                                // 4
+    {'5', 'j', 'k', 'l', 'J', 'K', 'L'},                                // 5
+    {'6', 'm', 'n', 'o', 'M', 'N', 'O'},                                // 6
+    {'7', 'p', 'q', 'r', 's', 'P', 'Q', 'R', 'S'},                      // 7
+    {'8', 't', 'u', 'v', 'T', 'U', 'V'},                                // 8
+    {'9', 'w', 'x', 'y', 'z', 'W', 'X', 'Y', 'Z'},                      // 9
+    {'*', '+'},                                                         // *
+    {'0', ' '},                                                         // 0
+    {'#', '@'},                                                         // #
+};
+
+unsigned char TCA8418LongPressMap[_TCA8418_NUM_KEYS] = {
+    _TCA8418_ESC,   // 1
+    _TCA8418_UP,    // 2
+    _TCA8418_NONE,  // 3
+    _TCA8418_LEFT,  // 4
+    _TCA8418_NONE,  // 5
+    _TCA8418_RIGHT, // 6
+    _TCA8418_NONE,  // 7
+    _TCA8418_DOWN,  // 8
+    _TCA8418_NONE,  // 9
+    _TCA8418_BSP,   // *
+    _TCA8418_NONE,  // 0
+    _TCA8418_NONE,  // #
+};
+
+#define _TCA8418_LONG_PRESS_THRESHOLD 2000
+#define _TCA8418_MULTI_TAP_THRESHOLD 750
+
+TCA8418Keyboard::TCA8418Keyboard() : m_wire(nullptr), m_addr(0), readCallback(nullptr), writeCallback(nullptr)
+{
+    state = Init;
+    last_key = -1;
+    next_key = -1;
+    should_backspace = false;
+    last_tap = 0L;
+    char_idx = 0;
+    tap_interval = 0;
+    backlight_on = true;
+    queue = "";
+}
+
+void TCA8418Keyboard::begin(uint8_t addr, TwoWire *wire)
+{
+    m_addr = addr;
+    m_wire = wire;
+
+    m_wire->begin();
+
+    reset();
+}
+
+void TCA8418Keyboard::begin(i2c_com_fptr_t r, i2c_com_fptr_t w, uint8_t addr)
+{
+    m_addr = addr;
+    m_wire = nullptr;
+    writeCallback = w;
+    readCallback = r;
+    reset();
+}
+
+void TCA8418Keyboard::reset()
+{
+    LOG_DEBUG("TCA8418 Reset");
+    //  GPIO
+    //  set default all GIO pins to INPUT
+    writeRegister(_TCA8418_REG_GPIO_DIR_1, 0x00);
+    writeRegister(_TCA8418_REG_GPIO_DIR_2, 0x00);
+    // Set COL9 as GPIO output
+    writeRegister(_TCA8418_REG_GPIO_DIR_3, 0x02);
+    // Switch off keyboard backlight (COL9 = LOW)
+    writeRegister(_TCA8418_REG_GPIO_DAT_OUT_3, 0x00);
+
+    //  add all pins to key events
+    writeRegister(_TCA8418_REG_GPI_EM_1, 0xFF);
+    writeRegister(_TCA8418_REG_GPI_EM_2, 0xFF);
+    writeRegister(_TCA8418_REG_GPI_EM_3, 0xFF);
+
+    //  set all pins to FALLING interrupts
+    writeRegister(_TCA8418_REG_GPIO_INT_LVL_1, 0x00);
+    writeRegister(_TCA8418_REG_GPIO_INT_LVL_2, 0x00);
+    writeRegister(_TCA8418_REG_GPIO_INT_LVL_3, 0x00);
+
+    //  add all pins to interrupts
+    writeRegister(_TCA8418_REG_GPIO_INT_EN_1, 0xFF);
+    writeRegister(_TCA8418_REG_GPIO_INT_EN_2, 0xFF);
+    writeRegister(_TCA8418_REG_GPIO_INT_EN_3, 0xFF);
+
+    // Set keyboard matrix size
+    matrix(_TCA8418_ROWS, _TCA8418_COLS);
+    enableDebounce();
+    flush();
+    state = Idle;
+}
+
+bool TCA8418Keyboard::matrix(uint8_t rows, uint8_t columns)
+{
+    if ((rows > 8) || (columns > 10))
+        return false;
+
+    //  Skip zero size matrix
+    if ((rows != 0) && (columns != 0)) {
+        // Setup the keypad matrix.
+        uint8_t mask = 0x00;
+        for (int r = 0; r < rows; r++) {
+            mask <<= 1;
+            mask |= 1;
+        }
+        writeRegister(_TCA8418_REG_KP_GPIO_1, mask);
+
+        mask = 0x00;
+        for (int c = 0; c < columns && c < 8; c++) {
+            mask <<= 1;
+            mask |= 1;
+        }
+        writeRegister(_TCA8418_REG_KP_GPIO_2, mask);
+
+        if (columns > 8) {
+            if (columns == 9)
+                mask = 0x01;
+            else
+                mask = 0x03;
+            writeRegister(_TCA8418_REG_KP_GPIO_3, mask);
+        }
+    }
+
+    return true;
+}
+
+uint8_t TCA8418Keyboard::keyCount() const
+{
+    uint8_t eventCount = readRegister(_TCA8418_REG_KEY_LCK_EC);
+    eventCount &= 0x0F; //  lower 4 bits only
+    return eventCount;
+}
+
+bool TCA8418Keyboard::hasEvent()
+{
+    return queue.length() > 0;
+}
+
+void TCA8418Keyboard::queueEvent(char next)
+{
+    if (next == _TCA8418_NONE) {
+        return;
+    }
+    queue.concat(next);
+}
+
+char TCA8418Keyboard::dequeueEvent()
+{
+    if (queue.length() < 1) {
+        return _TCA8418_NONE;
+    }
+    char next = queue.charAt(0);
+    queue.remove(0, 1);
+    return next;
+}
+
+void TCA8418Keyboard::trigger()
+{
+    if (keyCount() == 0) {
+        return;
+    }
+    if (state != Init) {
+        // Read the key register
+        uint8_t k = readRegister(_TCA8418_REG_KEY_EVENT_A);
+        uint8_t key = k & 0x7F;
+        if (k & 0x80) {
+            if (state == Idle)
+                pressed(key);
+            return;
+        } else {
+            if (state == Held) {
+                released();
+            }
+            state = Idle;
+            return;
+        }
+    } else {
+        reset();
+    }
+}
+
+void TCA8418Keyboard::pressed(uint8_t key)
+{
+    if (state == Init || state == Busy) {
+        return;
+    }
+    uint8_t next_key = 0;
+    int row = (key - 1) / 10;
+    int col = (key - 1) % 10;
+
+    if (row >= _TCA8418_ROWS || col >= _TCA8418_COLS) {
+        return; // Invalid key
+    }
+
+    // Compute key index based on dynamic row/column
+    next_key = row * _TCA8418_COLS + col;
+
+    // LOG_DEBUG("TCA8418: Key %u -> Next Key %u", key, next_key);
+
+    state = Held;
+    uint32_t now = millis();
+    tap_interval = now - last_tap;
+    if (tap_interval < 0) {
+        // Long running, millis has overflowed.
+        last_tap = 0;
+        state = Busy;
+        return;
+    }
+
+    // Check if the key is the same as the last one or if the time interval has passed
+    if (next_key != last_key || tap_interval > _TCA8418_MULTI_TAP_THRESHOLD) {
+        char_idx = 0;             // Reset char index if new key or long press
+        should_backspace = false; // dont backspace on new key
+    } else {
+        char_idx += 1;           // Cycle through characters if same key pressed
+        should_backspace = true; // allow backspace on same key
+    }
+
+    // Store the current key as the last key
+    last_key = next_key;
+    last_tap = now;
+}
+
+void TCA8418Keyboard::released()
+{
+    if (state != Held) {
+        return;
+    }
+
+    if (last_key < 0 || last_key > _TCA8418_NUM_KEYS) { // reset to idle if last_key out of bounds
+        last_key = -1;
+        state = Idle;
+        return;
+    }
+    uint32_t now = millis();
+    int32_t held_interval = now - last_tap;
+    last_tap = now;
+    if (tap_interval < _TCA8418_MULTI_TAP_THRESHOLD && should_backspace) {
+        queueEvent(_TCA8418_BSP);
+    }
+    if (held_interval > _TCA8418_LONG_PRESS_THRESHOLD) {
+        queueEvent(TCA8418LongPressMap[last_key]);
+        // LOG_DEBUG("Long Press Key: %i Map: %i", last_key, TCA8418LongPressMap[last_key]);
+    } else {
+        queueEvent(TCA8418TapMap[last_key][(char_idx % TCA8418TapMod[last_key])]);
+        // LOG_DEBUG("Key Press: %i Index:%i if %i Map: %c", last_key, char_idx, TCA8418TapMod[last_key],
+        //           TCA8418TapMap[last_key][(char_idx % TCA8418TapMod[last_key])]);
+    }
+}
+
+uint8_t TCA8418Keyboard::flush()
+{
+    // Flush key events
+    uint8_t count = 0;
+    while (readRegister(_TCA8418_REG_KEY_EVENT_A) != 0)
+        count++;
+    // Flush gpio events
+    readRegister(_TCA8418_REG_GPIO_INT_STAT_1);
+    readRegister(_TCA8418_REG_GPIO_INT_STAT_2);
+    readRegister(_TCA8418_REG_GPIO_INT_STAT_3);
+    // Clear INT_STAT register
+    writeRegister(_TCA8418_REG_INT_STAT, 3);
+    return count;
+}
+
+uint8_t TCA8418Keyboard::digitalRead(uint8_t pinnum) const
+{
+    if (pinnum > _TCA8418_COL9)
+        return 0xFF;
+
+    uint8_t reg = _TCA8418_REG_GPIO_DAT_STAT_1 + pinnum / 8;
+    uint8_t mask = (1 << (pinnum % 8));
+
+    // Level  0 = low  other = high
+    uint8_t value = readRegister(reg);
+    if (value & mask)
+        return HIGH;
+    return LOW;
+}
+
+bool TCA8418Keyboard::digitalWrite(uint8_t pinnum, uint8_t level)
+{
+    if (pinnum > _TCA8418_COL9)
+        return false;
+
+    uint8_t reg = _TCA8418_REG_GPIO_DAT_OUT_1 + pinnum / 8;
+    uint8_t mask = (1 << (pinnum % 8));
+
+    // Level  0 = low  other = high
+    uint8_t value = readRegister(reg);
+    if (level == LOW)
+        value &= ~mask;
+    else
+        value |= mask;
+    writeRegister(reg, value);
+    return true;
+}
+
+bool TCA8418Keyboard::pinMode(uint8_t pinnum, uint8_t mode)
+{
+    if (pinnum > _TCA8418_COL9)
+        return false;
+
+    uint8_t idx = pinnum / 8;
+    uint8_t reg = _TCA8418_REG_GPIO_DIR_1 + idx;
+    uint8_t mask = (1 << (pinnum % 8));
+
+    // Mode  0 = input   1 = output
+    uint8_t value = readRegister(reg);
+    if (mode == OUTPUT)
+        value |= mask;
+    else
+        value &= ~mask;
+    writeRegister(reg, value);
+
+    // Pullup  0 = enabled   1 = disabled
+    reg = _TCA8418_REG_GPIO_PULL_1 + idx;
+    value = readRegister(reg);
+    if (mode == INPUT_PULLUP)
+        value &= ~mask;
+    else
+        value |= mask;
+    writeRegister(reg, value);
+
+    return true;
+}
+
+bool TCA8418Keyboard::pinIRQMode(uint8_t pinnum, uint8_t mode)
+{
+    if (pinnum > _TCA8418_COL9)
+        return false;
+    if ((mode != RISING) && (mode != FALLING))
+        return false;
+
+    //  Mode  0 = falling   1 = rising
+    uint8_t idx = pinnum / 8;
+    uint8_t reg = _TCA8418_REG_GPIO_INT_LVL_1 + idx;
+    uint8_t mask = (1 << (pinnum % 8));
+
+    uint8_t value = readRegister(reg);
+    if (mode == RISING)
+        value |= mask;
+    else
+        value &= ~mask;
+    writeRegister(reg, value);
+
+    // Enable interrupt
+    reg = _TCA8418_REG_GPIO_INT_EN_1 + idx;
+    value = readRegister(reg);
+    value |= mask;
+    writeRegister(reg, value);
+
+    return true;
+}
+
+void TCA8418Keyboard::enableInterrupts()
+{
+    uint8_t value = readRegister(_TCA8418_REG_CFG);
+    value |= (_TCA8418_REG_CFG_GPI_IEN | _TCA8418_REG_CFG_KE_IEN);
+    writeRegister(_TCA8418_REG_CFG, value);
+};
+
+void TCA8418Keyboard::disableInterrupts()
+{
+    uint8_t value = readRegister(_TCA8418_REG_CFG);
+    value &= ~(_TCA8418_REG_CFG_GPI_IEN | _TCA8418_REG_CFG_KE_IEN);
+    writeRegister(_TCA8418_REG_CFG, value);
+};
+
+void TCA8418Keyboard::enableMatrixOverflow()
+{
+    uint8_t value = readRegister(_TCA8418_REG_CFG);
+    value |= _TCA8418_REG_CFG_OVR_FLOW_M;
+    writeRegister(_TCA8418_REG_CFG, value);
+};
+
+void TCA8418Keyboard::disableMatrixOverflow()
+{
+    uint8_t value = readRegister(_TCA8418_REG_CFG);
+    value &= ~_TCA8418_REG_CFG_OVR_FLOW_M;
+    writeRegister(_TCA8418_REG_CFG, value);
+};
+
+void TCA8418Keyboard::enableDebounce()
+{
+    writeRegister(_TCA8418_REG_DEBOUNCE_DIS_1, 0x00);
+    writeRegister(_TCA8418_REG_DEBOUNCE_DIS_2, 0x00);
+    writeRegister(_TCA8418_REG_DEBOUNCE_DIS_3, 0x00);
+}
+
+void TCA8418Keyboard::disableDebounce()
+{
+    writeRegister(_TCA8418_REG_DEBOUNCE_DIS_1, 0xFF);
+    writeRegister(_TCA8418_REG_DEBOUNCE_DIS_2, 0xFF);
+    writeRegister(_TCA8418_REG_DEBOUNCE_DIS_3, 0xFF);
+}
+
+void TCA8418Keyboard::setBacklight(bool on)
+{
+    if (on) {
+        digitalWrite(_TCA8418_COL9, HIGH);
+    } else {
+        digitalWrite(_TCA8418_COL9, LOW);
+    }
+}
+
+uint8_t TCA8418Keyboard::readRegister(uint8_t reg) const
+{
+    if (m_wire) {
+        m_wire->beginTransmission(m_addr);
+        m_wire->write(reg);
+        m_wire->endTransmission();
+
+        m_wire->requestFrom(m_addr, (uint8_t)1);
+        if (m_wire->available() < 1)
+            return 0;
+
+        return m_wire->read();
+    }
+    if (readCallback) {
+        uint8_t data;
+        readCallback(m_addr, reg, &data, 1);
+        return data;
+    }
+    return 0;
+}
+
+void TCA8418Keyboard::writeRegister(uint8_t reg, uint8_t value)
+{
+    uint8_t data[2];
+    data[0] = reg;
+    data[1] = value;
+
+    if (m_wire) {
+        m_wire->beginTransmission(m_addr);
+        m_wire->write(data, sizeof(uint8_t) * 2);
+        m_wire->endTransmission();
+    }
+    if (writeCallback) {
+        writeCallback(m_addr, data[0], &(data[1]), 1);
+    }
+}

src/input/TCA8418Keyboard.h

@@ -0,0 +1,83 @@
+// Based on the MPR121 Keyboard and Adafruit TCA8418 library
+#include "configuration.h"
+#include <Wire.h>
+
+#define _TCA8418_NONE 0x00
+#define _TCA8418_REBOOT 0x90
+#define _TCA8418_LEFT 0xb4
+#define _TCA8418_UP 0xb5
+#define _TCA8418_DOWN 0xb6
+#define _TCA8418_RIGHT 0xb7
+#define _TCA8418_ESC 0x1b
+#define _TCA8418_BSP 0x08
+#define _TCA8418_SELECT 0x0d
+
+class TCA8418Keyboard
+{
+  public:
+    typedef uint8_t (*i2c_com_fptr_t)(uint8_t dev_addr, uint8_t reg_addr, uint8_t *data, uint8_t len);
+
+    enum KeyState { Init = 0, Idle, Held, Busy };
+
+    KeyState state;
+    int8_t last_key;
+    int8_t next_key;
+    bool should_backspace;
+    uint32_t last_tap;
+    uint8_t char_idx;
+    int32_t tap_interval;
+    bool backlight_on;
+
+    String queue;
+
+    TCA8418Keyboard();
+
+    void begin(uint8_t addr = XPOWERS_AXP192_AXP2101_ADDRESS, TwoWire *wire = &Wire);
+    void begin(i2c_com_fptr_t r, i2c_com_fptr_t w, uint8_t addr = XPOWERS_AXP192_AXP2101_ADDRESS);
+
+    void reset(void);
+    // Configure the size of the keypad.
+    // All other rows and columns are set as inputs.
+    bool matrix(uint8_t rows, uint8_t columns);
+
+    // Flush all events in the FIFO buffer + GPIO events.
+    uint8_t flush(void);
+
+    // Key events available in the internal FIFO buffer.
+    uint8_t keyCount(void) const;
+
+    void trigger(void);
+    void pressed(uint8_t key);
+    void released(void);
+    bool hasEvent(void);
+    char dequeueEvent(void);
+    void queueEvent(char);
+
+    uint8_t digitalRead(uint8_t pinnum) const;
+    bool digitalWrite(uint8_t pinnum, uint8_t level);
+    bool pinMode(uint8_t pinnum, uint8_t mode);
+    bool pinIRQMode(uint8_t pinnum, uint8_t mode); // MODE  FALLING or RISING
+
+    // enable / disable interrupts for matrix and GPI pins
+    void enableInterrupts();
+    void disableInterrupts();
+
+    // ignore key events when FIFO buffer is full or not.
+    void enableMatrixOverflow();
+    void disableMatrixOverflow();
+
+    // debounce keys.
+    void enableDebounce();
+    void disableDebounce();
+
+    void setBacklight(bool on);
+
+    uint8_t readRegister(uint8_t reg) const;
+    void writeRegister(uint8_t reg, uint8_t value);
+
+  private:
+    TwoWire *m_wire;
+    uint8_t m_addr;
+    i2c_com_fptr_t readCallback;
+    i2c_com_fptr_t writeCallback;
+};

src/input/cardKbI2cImpl.cpp

@@ -12,8 +12,8 @@ void CardKbI2cImpl::init()
 #if !MESHTASTIC_EXCLUDE_I2C && !defined(ARCH_PORTDUINO) && !defined(I2C_NO_RESCAN)
     if (cardkb_found.address == 0x00) {
         LOG_DEBUG("Rescan for I2C keyboard");
-        uint8_t i2caddr_scan[] = {CARDKB_ADDR, TDECK_KB_ADDR, BBQ10_KB_ADDR, MPR121_KB_ADDR};
+        uint8_t i2caddr_scan[] = {CARDKB_ADDR, TDECK_KB_ADDR, BBQ10_KB_ADDR, MPR121_KB_ADDR, XPOWERS_AXP192_AXP2101_ADDRESS};
-        uint8_t i2caddr_asize = 4;
+        uint8_t i2caddr_asize = 5;
         auto i2cScanner = std::unique_ptr<ScanI2CTwoWire>(new ScanI2CTwoWire());
 
 #if WIRE_INTERFACES_COUNT == 2
@@ -43,6 +43,10 @@ void CardKbI2cImpl::init()
                 // assign an arbitrary value to distinguish from other models
                 kb_model = 0x37;
                 break;
+            case ScanI2C::DeviceType::TCA8418KB:
+                // assign an arbitrary value to distinguish from other models
+                kb_model = 0x84;
+                break;
             default:
                 // use this as default since it's also just zero
                 LOG_WARN("kb_info.type is unknown(0x%02x), setting kb_model=0x00", kb_info.type);
@@ -63,4 +67,4 @@ void CardKbI2cImpl::init()
     }
 #endif
     inputBroker->registerSource(this);
-}
+}

src/input/kbI2cBase.cpp

@@ -43,6 +43,9 @@ int32_t KbI2cBase::runOnce()
             if (cardkb_found.address == MPR121_KB_ADDR) {
                 MPRkeyboard.begin(MPR121_KB_ADDR, &Wire1);
             }
+            if (cardkb_found.address == XPOWERS_AXP192_AXP2101_ADDRESS) {
+                TCAKeyboard.begin(XPOWERS_AXP192_AXP2101_ADDRESS, &Wire1);
+            }
             break;
 #endif
         case ScanI2C::WIRE:
@@ -55,6 +58,9 @@ int32_t KbI2cBase::runOnce()
             if (cardkb_found.address == MPR121_KB_ADDR) {
                 MPRkeyboard.begin(MPR121_KB_ADDR, &Wire);
             }
+            if (cardkb_found.address == XPOWERS_AXP192_AXP2101_ADDRESS) {
+                TCAKeyboard.begin(XPOWERS_AXP192_AXP2101_ADDRESS, &Wire);
+            }
             break;
         case ScanI2C::NO_I2C:
         default:
@@ -163,6 +169,70 @@ int32_t KbI2cBase::runOnce()
         }
         break;
     }
+
+    case 0x84: { // Adafruit TCA8418
+        TCAKeyboard.trigger();
+        InputEvent e;
+        while (TCAKeyboard.hasEvent()) {
+            char nextEvent = TCAKeyboard.dequeueEvent();
+            e.inputEvent = ANYKEY;
+            e.kbchar = 0x00;
+            e.source = this->_originName;
+            switch (nextEvent) {
+            case _TCA8418_NONE:
+                e.inputEvent = meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_NONE;
+                e.kbchar = 0x00;
+                break;
+            case _TCA8418_REBOOT:
+                e.inputEvent = ANYKEY;
+                e.kbchar = INPUT_BROKER_MSG_REBOOT;
+                break;
+            case _TCA8418_LEFT:
+                e.inputEvent = meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_LEFT;
+                e.kbchar = 0x00;
+                break;
+            case _TCA8418_UP:
+                e.inputEvent = meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_UP;
+                e.kbchar = 0x00;
+                break;
+            case _TCA8418_DOWN:
+                e.inputEvent = meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_DOWN;
+                e.kbchar = 0x00;
+                break;
+            case _TCA8418_RIGHT:
+                e.inputEvent = meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_RIGHT;
+                e.kbchar = 0x00;
+                break;
+            case _TCA8418_BSP:
+                e.inputEvent = meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_BACK;
+                e.kbchar = 0x08;
+                break;
+            case _TCA8418_SELECT:
+                e.inputEvent = meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_SELECT;
+                e.kbchar = 0x0d;
+                break;
+            case _TCA8418_ESC:
+                e.inputEvent = meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_CANCEL;
+                e.kbchar = 0x1b;
+                break;
+            default:
+                if (nextEvent > 127) {
+                    e.inputEvent = meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_NONE;
+                    e.kbchar = 0x00;
+                    break;
+                }
+                e.inputEvent = ANYKEY;
+                e.kbchar = nextEvent;
+                break;
+            }
+            if (e.inputEvent != meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_NONE) {
+                LOG_DEBUG("TCA8418 Notifying: %i Char: %c", e.inputEvent, e.kbchar);
+                this->notifyObservers(&e);
+            }
+        }
+        break;
+    }
+
     case 0x37: { // MPR121
         MPRkeyboard.trigger();
         InputEvent e;

src/input/kbI2cBase.h

@@ -3,6 +3,7 @@
 #include "BBQ10Keyboard.h"
 #include "InputBroker.h"
 #include "MPR121Keyboard.h"
+#include "TCA8418Keyboard.h"
 #include "Wire.h"
 #include "concurrency/OSThread.h"
 
@@ -21,5 +22,6 @@ class KbI2cBase : public Observable<const InputEvent *>, public concurrency::OST
 
     BBQ10Keyboard Q10keyboard;
     MPR121Keyboard MPRkeyboard;
+    TCA8418Keyboard TCAKeyboard;
     bool is_sym = false;
-};
+};

src/main.cpp

@@ -568,6 +568,10 @@ void setup()
             // assign an arbitrary value to distinguish from other models
             kb_model = 0x37;
             break;
+        case ScanI2C::DeviceType::TCA8418KB:
+            // assign an arbitrary value to distinguish from other models
+            kb_model = 0x84;
+            break;
         default:
             // use this as default since it's also just zero
             LOG_WARN("kb_info.type is unknown(0x%02x), setting kb_model=0x00", kb_info.type);
@@ -825,7 +829,9 @@ void setup()
 #ifdef ARCH_PORTDUINO
     // FIXME: portduino does not ever call onNetworkConnected so call it here because I don't know what happen if I call
     // onNetworkConnected there
-    udpThread->start();
+    if (config.network.enabled_protocols & meshtastic_Config_NetworkConfig_ProtocolFlags_UDP_BROADCAST) {
+        udpThread->start();
+    }
 #endif
 #endif
     service = new MeshService();

src/mesh/CryptoEngine.cpp

@@ -161,10 +161,8 @@ void CryptoEngine::hash(uint8_t *bytes, size_t numBytes)
 
 void CryptoEngine::aesSetKey(const uint8_t *key_bytes, size_t key_len)
 {
-    if (aes) {
+    delete aes;
-        delete aes;
+    aes = nullptr;
-        aes = nullptr;
-    }
     if (key_len != 0) {
         aes = new AESSmall256();
         aes->setKey(key_bytes, key_len);
@@ -225,10 +223,8 @@ void CryptoEngine::decrypt(uint32_t fromNode, uint64_t packetId, size_t numBytes
 // Generic implementation of AES-CTR encryption.
 void CryptoEngine::encryptAESCtr(CryptoKey _key, uint8_t *_nonce, size_t numBytes, uint8_t *bytes)
 {
-    if (ctr) {
+    delete ctr;
-        delete ctr;
+    ctr = nullptr;
-        ctr = nullptr;
-    }
     if (_key.length == 16)
         ctr = new CTR<AES128>();
     else

src/mesh/MeshService.cpp

@@ -309,7 +309,10 @@ void MeshService::sendToPhone(meshtastic_MeshPacket *p)
         }
     }
 
-    assert(toPhoneQueue.enqueue(p, 0));
+    if (toPhoneQueue.enqueue(p, 0) == false) {
+        LOG_CRIT("Failed to queue a packet into toPhoneQueue!");
+        abort();
+    }
     fromNum++;
 }
 
@@ -323,7 +326,10 @@ void MeshService::sendMqttMessageToClientProxy(meshtastic_MqttClientProxyMessage
             releaseMqttClientProxyMessageToPool(d);
     }
 
-    assert(toPhoneMqttProxyQueue.enqueue(m, 0));
+    if (toPhoneMqttProxyQueue.enqueue(m, 0) == false) {
+        LOG_CRIT("Failed to queue a packet into toPhoneMqttProxyQueue!");
+        abort();
+    }
     fromNum++;
 }
 
@@ -337,7 +343,10 @@ void MeshService::sendClientNotification(meshtastic_ClientNotification *n)
             releaseClientNotificationToPool(d);
     }
 
-    assert(toPhoneClientNotificationQueue.enqueue(n, 0));
+    if (toPhoneClientNotificationQueue.enqueue(n, 0) == false) {
+        LOG_CRIT("Failed to queue a notification into toPhoneClientNotificationQueue!");
+        abort();
+    }
     fromNum++;
 }
 

src/mesh/NodeDB.cpp

@@ -628,6 +628,27 @@ void NodeDB::installDefaultConfig(bool preserveKey = false)
          meshtastic_Config_PositionConfig_PositionFlags_SPEED | meshtastic_Config_PositionConfig_PositionFlags_HEADING |
          meshtastic_Config_PositionConfig_PositionFlags_DOP | meshtastic_Config_PositionConfig_PositionFlags_SATINVIEW);
 
+// Set default value for 'Mesh via UDP'
+#if HAS_UDP_MULTICAST
+#ifdef USERPREFS_NETWORK_ENABLED_PROTOCOLS
+    config.network.enabled_protocols = USERPREFS_NETWORK_ENABLED_PROTOCOLS;
+#else
+    config.network.enabled_protocols = 1;
+#endif
+#endif
+
+#ifdef USERPREFS_NETWORK_WIFI_ENABLED
+    config.network.wifi_enabled = USERPREFS_NETWORK_WIFI_ENABLED;
+#endif
+
+#ifdef USERPREFS_NETWORK_WIFI_SSID
+    strncpy(config.network.wifi_ssid, USERPREFS_NETWORK_WIFI_SSID, sizeof(config.network.wifi_ssid));
+#endif
+
+#ifdef USERPREFS_NETWORK_WIFI_PSK
+    strncpy(config.network.wifi_psk, USERPREFS_NETWORK_WIFI_PSK, sizeof(config.network.wifi_psk));
+#endif
+
 #ifdef DISPLAY_FLIP_SCREEN
     config.display.flip_screen = true;
 #endif
@@ -1437,13 +1458,14 @@ bool NodeDB::updateUser(uint32_t nodeId, meshtastic_User &p, uint8_t channelInde
 #if !(MESHTASTIC_EXCLUDE_PKI)
     if (p.public_key.size > 0) {
         printBytes("Incoming Pubkey: ", p.public_key.bytes, 32);
-        if (info->user.public_key.size > 0) { // if we have a key for this user already, don't overwrite with a new one
+    }
-            LOG_INFO("Public Key set for node, not updating!");
+    if (info->user.public_key.size > 0) { // if we have a key for this user already, don't overwrite with a new one
-            // we copy the key into the incoming packet, to prevent overwrite
+        LOG_INFO("Public Key set for node, not updating!");
-            memcpy(p.public_key.bytes, info->user.public_key.bytes, 32);
+        // we copy the key into the incoming packet, to prevent overwrite
-        } else {
+        p.public_key.size = 32;
-            LOG_INFO("Update Node Pubkey!");
+        memcpy(p.public_key.bytes, info->user.public_key.bytes, 32);
-        }
+    } else if (p.public_key.size > 0) {
+        LOG_INFO("Update Node Pubkey!");
     }
 #endif
 

src/mesh/STM32WLE5JCInterface.cpp

@@ -18,8 +18,10 @@ bool STM32WLE5JCInterface::init()
 {
     RadioLibInterface::init();
 
-    // https://github.com/Seeed-Studio/LoRaWan-E5-Node/blob/main/Middlewares/Third_Party/SubGHz_Phy/stm32_radio_driver/radio_driver.c
+// https://github.com/Seeed-Studio/LoRaWan-E5-Node/blob/main/Middlewares/Third_Party/SubGHz_Phy/stm32_radio_driver/radio_driver.c
+#if (!defined(_VARIANT_RAK3172_))
     setTCXOVoltage(1.7);
+#endif
 
     lora.setRfSwitchTable(rfswitch_pins, rfswitch_table);
 
@@ -42,4 +44,4 @@ bool STM32WLE5JCInterface::init()
     return res == RADIOLIB_ERR_NONE;
 }
 
-#endif // ARCH_STM32WL
+#endif // ARCH_STM32WL

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

@@ -235,6 +235,8 @@ typedef enum _meshtastic_HardwareModel {
     meshtastic_HardwareModel_THINKNODE_M2 = 90,
     /* Lilygo T-ETH-Elite */
     meshtastic_HardwareModel_T_ETH_ELITE = 91,
+    /* Heltec HRI-3621 industrial probe */
+    meshtastic_HardwareModel_HELTEC_SENSOR_HUB = 92,
     /* ------------------------------------------------------------------------------------------------------------------------------------------
  Reserved ID For developing private Ports. These will show up in live traffic sparsely, so we can use a high number. Keep it within 8 bits.
  ------------------------------------------------------------------------------------------------------------------------------------------ */

src/mesh/udp/UdpMulticastThread.h

@@ -23,7 +23,7 @@ class UdpMulticastThread : public concurrency::OSThread
     void start()
     {
         if (udp.listenMulticast(udpIpAddress, UDP_MULTICAST_DEFAUL_PORT, 64)) {
-#if !defined(ARCH_PORTDUINO)
+#ifndef ARCH_PORTDUINO
             // FIXME(PORTDUINO): arduino lacks IPAddress::toString()
             LOG_DEBUG("UDP Listening on IP: %s", WiFi.localIP().toString().c_str());
 #else
@@ -59,7 +59,7 @@ class UdpMulticastThread : public concurrency::OSThread
         if (!mp || !udp) {
             return false;
         }
-#if !defined(ARCH_PORTDUINO)
+#ifndef ARCH_PORTDUINO
         if (WiFi.status() != WL_CONNECTED) {
             return false;
         }

src/mesh/wifi/WiFiAPClient.cpp

@@ -133,7 +133,7 @@ static void onNetworkConnected()
     }
 
 #if HAS_UDP_MULTICAST
-    if (udpThread) {
+    if (udpThread && config.network.enabled_protocols & meshtastic_Config_NetworkConfig_ProtocolFlags_UDP_BROADCAST) {
         udpThread->start();
     }
 #endif

src/modules/Modules.cpp

@@ -7,7 +7,9 @@
 #include "input/SerialKeyboardImpl.h"
 #include "input/TrackballInterruptImpl1.h"
 #include "input/UpDownInterruptImpl1.h"
+#if !MESHTASTIC_EXCLUDE_I2C
 #include "input/cardKbI2cImpl.h"
+#endif
 #include "input/kbMatrixImpl.h"
 #endif
 #if !MESHTASTIC_EXCLUDE_ADMIN

src/modules/RangeTestModule.cpp

@@ -31,7 +31,7 @@ uint32_t packetSequence = 0;
 
 int32_t RangeTestModule::runOnce()
 {
-#if defined(ARCH_ESP32) || defined(ARCH_NRF52)
+#if defined(ARCH_ESP32) || defined(ARCH_NRF52) || defined(ARCH_PORTDUINO)
 
     /*
         Uncomment the preferences below if you want to use the module
@@ -130,7 +130,7 @@ void RangeTestModuleRadio::sendPayload(NodeNum dest, bool wantReplies)
 
 ProcessMessage RangeTestModuleRadio::handleReceived(const meshtastic_MeshPacket &mp)
 {
-#if defined(ARCH_ESP32) || defined(ARCH_NRF52)
+#if defined(ARCH_ESP32) || defined(ARCH_NRF52) || defined(ARCH_PORTDUINO)
 
     if (moduleConfig.range_test.enabled) {
 

src/modules/Telemetry/EnvironmentTelemetry.cpp

@@ -98,7 +98,8 @@ int32_t EnvironmentTelemetryModule::runOnce()
     // moduleConfig.telemetry.environment_screen_enabled = 1;
     // moduleConfig.telemetry.environment_update_interval = 15;
 
-    if (!(moduleConfig.telemetry.environment_measurement_enabled || moduleConfig.telemetry.environment_screen_enabled)) {
+    if (!(moduleConfig.telemetry.environment_measurement_enabled || moduleConfig.telemetry.environment_screen_enabled ||
+          ENVIRONMENTAL_TELEMETRY_MODULE_ENABLE)) {
         // If this module is not enabled, and the user doesn't want the display screen don't waste any OSThread time on it
         return disable();
     }
@@ -107,7 +108,7 @@ int32_t EnvironmentTelemetryModule::runOnce()
         // This is the first time the OSThread library has called this function, so do some setup
         firstTime = 0;
 
-        if (moduleConfig.telemetry.environment_measurement_enabled) {
+        if (moduleConfig.telemetry.environment_measurement_enabled || ENVIRONMENTAL_TELEMETRY_MODULE_ENABLE) {
             LOG_INFO("Environment Telemetry: init");
 #ifdef SENSECAP_INDICATOR
             result = indicatorSensor.runOnce();
@@ -178,7 +179,7 @@ int32_t EnvironmentTelemetryModule::runOnce()
         return result == UINT32_MAX ? disable() : setStartDelay();
     } else {
         // if we somehow got to a second run of this module with measurement disabled, then just wait forever
-        if (!moduleConfig.telemetry.environment_measurement_enabled) {
+        if (!moduleConfig.telemetry.environment_measurement_enabled && !ENVIRONMENTAL_TELEMETRY_MODULE_ENABLE) {
             return disable();
         } else {
 #if !MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR_EXTERNAL

src/modules/Telemetry/EnvironmentTelemetry.h

@@ -3,6 +3,11 @@
 #if !MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR
 
 #pragma once
+
+#ifndef ENVIRONMENTAL_TELEMETRY_MODULE_ENABLE
+#define ENVIRONMENTAL_TELEMETRY_MODULE_ENABLE 0
+#endif
+
 #include "../mesh/generated/meshtastic/telemetry.pb.h"
 #include "NodeDB.h"
 #include "ProtobufModule.h"

src/motion/AccelerometerThread.h

@@ -160,13 +160,11 @@ class AccelerometerThread : public concurrency::OSThread
     void clean()
     {
         isInitialised = false;
-        if (sensor != nullptr) {
+        delete sensor;
-            delete sensor;
+        sensor = nullptr;
-            sensor = nullptr;
-        }
     }
 };
 
 #endif
 
-#endif
+#endif

src/platform/esp32/architecture.h

@@ -178,6 +178,8 @@
 #define HW_VENDOR meshtastic_HardwareModel_MESH_TAB
 #elif defined(T_ETH_ELITE)
 #define HW_VENDOR meshtastic_HardwareModel_T_ETH_ELITE
+#elif defined(HELTEC_SENSOR_HUB)
+#define HW_VENDOR meshtastic_HardwareModel_HELTEC_SENSOR_HUB
 #endif
 
 // -----------------------------------------------------------------------------

src/platform/stm32wl/LittleFS.cpp

@@ -0,0 +1,198 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 hathach for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "LittleFS.h"
+#include "stm32wlxx_hal_flash.h"
+
+/**********************************************************************************************************************
+ * Macro definitions
+ **********************************************************************************************************************/
+/** This macro is used to suppress compiler messages about a parameter not being used in a function. */
+#define LFS_UNUSED(p) (void)((p))
+
+#define STM32WL_PAGE_SIZE (FLASH_PAGE_SIZE)
+#define STM32WL_PAGE_COUNT (FLASH_PAGE_NB)
+#define STM32WL_FLASH_BASE (FLASH_BASE)
+
+/*
+ * FLASH_SIZE from stm32wle5xx.h will read the actual FLASH size from the chip.
+ * FLASH_END_ADDR is calculated from FLASH_SIZE.
+ * Use the last 28 KiB of the FLASH
+ */
+#define LFS_FLASH_TOTAL_SIZE (14 * 2048) /* needs to be a multiple of LFS_BLOCK_SIZE */
+#define LFS_BLOCK_SIZE (2048)
+#define LFS_FLASH_ADDR_END (FLASH_END_ADDR)
+#define LFS_FLASH_ADDR_BASE (LFS_FLASH_ADDR_END - LFS_FLASH_TOTAL_SIZE + 1)
+
+#if !CFG_DEBUG
+#define _LFS_DBG(fmt, ...)
+#else
+#define _LFS_DBG(fmt, ...) printf("%s:%d (%s): " fmt "\n", __FILE__, __LINE__, __func__, __VA_ARGS__)
+#endif
+
+//--------------------------------------------------------------------+
+// LFS Disk IO
+//--------------------------------------------------------------------+
+
+static int _internal_flash_read(const struct lfs_config *c, lfs_block_t block, lfs_off_t off, void *buffer, lfs_size_t size)
+{
+    LFS_UNUSED(c);
+
+    if (!buffer || !size) {
+        _LFS_DBG("%s Invalid parameter!\r\n", __func__);
+        return LFS_ERR_INVAL;
+    }
+
+    lfs_block_t address = LFS_FLASH_ADDR_BASE + (block * STM32WL_PAGE_SIZE + off);
+
+    memcpy(buffer, (void *)address, size);
+
+    return LFS_ERR_OK;
+}
+
+// Program a region in a block. The block must have previously
+// been erased. Negative error codes are propogated to the user.
+// May return LFS_ERR_CORRUPT if the block should be considered bad.
+static int _internal_flash_prog(const struct lfs_config *c, lfs_block_t block, lfs_off_t off, const void *buffer, lfs_size_t size)
+{
+    lfs_block_t address = LFS_FLASH_ADDR_BASE + (block * STM32WL_PAGE_SIZE + off);
+    HAL_StatusTypeDef hal_rc = HAL_OK;
+    uint32_t dw_count = size / 8;
+    uint64_t *bufp = (uint64_t *)buffer;
+
+    LFS_UNUSED(c);
+
+    _LFS_DBG("Programming %d bytes/%d doublewords at address 0x%08x/block %d, offset %d.", size, dw_count, address, block, off);
+    if (HAL_FLASH_Unlock() != HAL_OK) {
+        return LFS_ERR_IO;
+    }
+    for (uint32_t i = 0; i < dw_count; i++) {
+        if ((address < LFS_FLASH_ADDR_BASE) || (address > LFS_FLASH_ADDR_END)) {
+            _LFS_DBG("Wanted to program out of bound of FLASH: 0x%08x.\n", address);
+            HAL_FLASH_Lock();
+            return LFS_ERR_INVAL;
+        }
+        hal_rc = HAL_FLASH_Program(FLASH_TYPEPROGRAM_DOUBLEWORD, address, *bufp);
+        if (hal_rc != HAL_OK) {
+            /* Error occurred while writing data in Flash memory.
+             * User can add here some code to deal with this error.
+             */
+            _LFS_DBG("Program error at (0x%08x), 0x%X, error: 0x%08x\n", address, hal_rc, HAL_FLASH_GetError());
+        }
+        address += 8;
+        bufp += 1;
+    }
+    if (HAL_FLASH_Lock() != HAL_OK) {
+        return LFS_ERR_IO;
+    }
+
+    return hal_rc == HAL_OK ? LFS_ERR_OK : LFS_ERR_IO; // If HAL_OK, return LFS_ERR_OK, else return LFS_ERR_IO
+}
+
+// Erase a block. A block must be erased before being programmed.
+// The state of an erased block is undefined. Negative error codes
+// are propogated to the user.
+// May return LFS_ERR_CORRUPT if the block should be considered bad.
+static int _internal_flash_erase(const struct lfs_config *c, lfs_block_t block)
+{
+    lfs_block_t address = LFS_FLASH_ADDR_BASE + (block * STM32WL_PAGE_SIZE);
+    HAL_StatusTypeDef hal_rc;
+    FLASH_EraseInitTypeDef EraseInitStruct = {.TypeErase = FLASH_TYPEERASE_PAGES, .Page = 0, .NbPages = 1};
+    uint32_t PAGEError = 0;
+
+    LFS_UNUSED(c);
+
+    if ((address < LFS_FLASH_ADDR_BASE) || (address > LFS_FLASH_ADDR_END)) {
+        _LFS_DBG("Wanted to erase out of bound of FLASH: 0x%08x.\n", address);
+        return LFS_ERR_INVAL;
+    }
+    /* calculate the absolute page, i.e. what the ST wants */
+    EraseInitStruct.Page = (address - STM32WL_FLASH_BASE) / STM32WL_PAGE_SIZE;
+    _LFS_DBG("Erasing block %d at 0x%08x... ", block, address);
+    HAL_FLASH_Unlock();
+    hal_rc = HAL_FLASHEx_Erase(&EraseInitStruct, &PAGEError);
+    HAL_FLASH_Lock();
+
+    return hal_rc == HAL_OK ? LFS_ERR_OK : LFS_ERR_IO; // If HAL_OK, return LFS_ERR_OK, else return LFS_ERR_IO
+}
+
+// Sync the state of the underlying block device. Negative error codes
+// are propogated to the user.
+static int _internal_flash_sync(const struct lfs_config *c)
+{
+    LFS_UNUSED(c);
+    // write function performs no caching.  No need for sync.
+
+    return LFS_ERR_OK;
+}
+
+static struct lfs_config _InternalFSConfig = {.context = NULL,
+
+                                              .read = _internal_flash_read,
+                                              .prog = _internal_flash_prog,
+                                              .erase = _internal_flash_erase,
+                                              .sync = _internal_flash_sync,
+
+                                              .read_size = LFS_BLOCK_SIZE,
+                                              .prog_size = LFS_BLOCK_SIZE,
+                                              .block_size = LFS_BLOCK_SIZE,
+                                              .block_count = LFS_FLASH_TOTAL_SIZE / LFS_BLOCK_SIZE,
+                                              .lookahead = 128,
+
+                                              .read_buffer = NULL,
+                                              .prog_buffer = NULL,
+                                              .lookahead_buffer = NULL,
+                                              .file_buffer = NULL};
+
+LittleFS InternalFS;
+
+//--------------------------------------------------------------------+
+//
+//--------------------------------------------------------------------+
+
+LittleFS::LittleFS(void) : STM32_LittleFS(&_InternalFSConfig) {}
+
+bool LittleFS::begin(void)
+{
+    if (FLASH_BASE >= LFS_FLASH_ADDR_BASE) {
+        /* There is not enough space on this device for a filesystem. */
+        return false;
+    }
+    // failed to mount, erase all pages then format and mount again
+    if (!STM32_LittleFS::begin()) {
+        // Erase all pages of internal flash region for Filesystem.
+        for (uint32_t addr = LFS_FLASH_ADDR_BASE; addr < (LFS_FLASH_ADDR_END + 1); addr += STM32WL_PAGE_SIZE) {
+            _internal_flash_erase(&_InternalFSConfig, (addr - LFS_FLASH_ADDR_BASE) / STM32WL_PAGE_SIZE);
+        }
+
+        // lfs format
+        this->format();
+
+        // mount again if still failed, give up
+        if (!STM32_LittleFS::begin())
+            return false;
+    }
+
+    return true;
+}

src/platform/stm32wl/LittleFS.h

@@ -0,0 +1,41 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 hathach for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef INTERNALFILESYSTEM_H_
+#define INTERNALFILESYSTEM_H_
+
+#include "STM32_LittleFS.h"
+
+class LittleFS : public STM32_LittleFS
+{
+  public:
+    LittleFS(void);
+
+    // overwrite to also perform low level format (sector erase of whole flash region)
+    bool begin(void);
+};
+
+extern LittleFS InternalFS;
+
+#endif /* INTERNALFILESYSTEM_H_ */

src/platform/stm32wl/STM32_LittleFS.cpp

@@ -0,0 +1,283 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Ha Thach for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "STM32_LittleFS.h"
+#include <Arduino.h>
+#include <string.h>
+
+#define memclr(buffer, size) memset(buffer, 0, size)
+#define varclr(_var) memclr(_var, sizeof(*(_var)))
+
+using namespace STM32_LittleFS_Namespace;
+
+//--------------------------------------------------------------------+
+// Implementation
+//--------------------------------------------------------------------+
+
+STM32_LittleFS::STM32_LittleFS(void) : STM32_LittleFS(NULL) {}
+
+STM32_LittleFS::STM32_LittleFS(struct lfs_config *cfg)
+{
+    varclr(&_lfs);
+    _lfs_cfg = cfg;
+    _mounted = false;
+}
+
+STM32_LittleFS::~STM32_LittleFS() {}
+
+// Initialize and mount the file system
+// Return true if mounted successfully else probably corrupted.
+// User should format the disk and try again
+bool STM32_LittleFS::begin(struct lfs_config *cfg)
+{
+    _lockFS();
+
+    bool ret;
+    // not a loop, just an quick way to short-circuit on error
+    do {
+        if (_mounted) {
+            ret = true;
+            break;
+        }
+        if (cfg) {
+            _lfs_cfg = cfg;
+        }
+        if (nullptr == _lfs_cfg) {
+            ret = false;
+            break;
+        }
+        // actually attempt to mount, and log error if one occurs
+        int err = lfs_mount(&_lfs, _lfs_cfg);
+        PRINT_LFS_ERR(err);
+        _mounted = (err == LFS_ERR_OK);
+        ret = _mounted;
+    } while (0);
+
+    _unlockFS();
+    return ret;
+}
+
+// Tear down and unmount file system
+void STM32_LittleFS::end(void)
+{
+    _lockFS();
+
+    if (_mounted) {
+        _mounted = false;
+        int err = lfs_unmount(&_lfs);
+        PRINT_LFS_ERR(err);
+        (void)err;
+    }
+
+    _unlockFS();
+}
+
+bool STM32_LittleFS::format(void)
+{
+    _lockFS();
+
+    int err = LFS_ERR_OK;
+    bool attemptMount = _mounted;
+    // not a loop, just an quick way to short-circuit on error
+    do {
+        // if already mounted: umount first -> format -> remount
+        if (_mounted) {
+            _mounted = false;
+            err = lfs_unmount(&_lfs);
+            if (LFS_ERR_OK != err) {
+                PRINT_LFS_ERR(err);
+                break;
+            }
+        }
+        err = lfs_format(&_lfs, _lfs_cfg);
+        if (LFS_ERR_OK != err) {
+            PRINT_LFS_ERR(err);
+            break;
+        }
+
+        if (attemptMount) {
+            err = lfs_mount(&_lfs, _lfs_cfg);
+            if (LFS_ERR_OK != err) {
+                PRINT_LFS_ERR(err);
+                break;
+            }
+            _mounted = true;
+        }
+        // success!
+    } while (0);
+
+    _unlockFS();
+    return LFS_ERR_OK == err;
+}
+
+// Open a file or folder
+STM32_LittleFS_Namespace::File STM32_LittleFS::open(char const *filepath, uint8_t mode)
+{
+    // No lock is required here ... the File() object will synchronize with the mutex provided
+    return STM32_LittleFS_Namespace::File(filepath, mode, *this);
+}
+
+// Check if file or folder exists
+bool STM32_LittleFS::exists(char const *filepath)
+{
+    struct lfs_info info;
+    _lockFS();
+
+    bool ret = (0 == lfs_stat(&_lfs, filepath, &info));
+
+    _unlockFS();
+    return ret;
+}
+
+// Create a directory, create intermediate parent if needed
+bool STM32_LittleFS::mkdir(char const *filepath)
+{
+    bool ret = true;
+    const char *slash = filepath;
+    if (slash[0] == '/')
+        slash++; // skip root '/'
+
+    _lockFS();
+
+    // make intermediate parent directory(ies)
+    while (NULL != (slash = strchr(slash, '/'))) {
+        char parent[slash - filepath + 1] = {0};
+        memcpy(parent, filepath, slash - filepath);
+
+        int rc = lfs_mkdir(&_lfs, parent);
+        if (rc != LFS_ERR_OK && rc != LFS_ERR_EXIST) {
+            PRINT_LFS_ERR(rc);
+            ret = false;
+            break;
+        }
+        slash++;
+    }
+    // make the final requested directory
+    if (ret) {
+        int rc = lfs_mkdir(&_lfs, filepath);
+        if (rc != LFS_ERR_OK && rc != LFS_ERR_EXIST) {
+            PRINT_LFS_ERR(rc);
+            ret = false;
+        }
+    }
+
+    _unlockFS();
+    return ret;
+}
+
+// Remove a file
+bool STM32_LittleFS::remove(char const *filepath)
+{
+    _lockFS();
+
+    int err = lfs_remove(&_lfs, filepath);
+    PRINT_LFS_ERR(err);
+
+    _unlockFS();
+    return LFS_ERR_OK == err;
+}
+
+// Rename a file
+bool STM32_LittleFS::rename(char const *oldfilepath, char const *newfilepath)
+{
+    _lockFS();
+
+    int err = lfs_rename(&_lfs, oldfilepath, newfilepath);
+    PRINT_LFS_ERR(err);
+
+    _unlockFS();
+    return LFS_ERR_OK == err;
+}
+
+// Remove a folder
+bool STM32_LittleFS::rmdir(char const *filepath)
+{
+    _lockFS();
+
+    int err = lfs_remove(&_lfs, filepath);
+    PRINT_LFS_ERR(err);
+
+    _unlockFS();
+    return LFS_ERR_OK == err;
+}
+
+// Remove a folder recursively
+bool STM32_LittleFS::rmdir_r(char const *filepath)
+{
+    /* lfs is modified to remove non-empty folder,
+     According to below issue, comment these 2 line won't corrupt filesystem
+     at least when using LFS v1.  If moving to LFS v2, see tracked issue
+     to see if issues (such as the orphans in threaded linked list) are resolved.
+     https://github.com/ARMmbed/littlefs/issues/43
+     */
+    _lockFS();
+
+    int err = lfs_remove(&_lfs, filepath);
+    PRINT_LFS_ERR(err);
+
+    _unlockFS();
+    return LFS_ERR_OK == err;
+}
+
+//------------- Debug -------------//
+#if CFG_DEBUG
+
+const char *dbg_strerr_lfs(int32_t err)
+{
+    switch (err) {
+    case LFS_ERR_OK:
+        return "LFS_ERR_OK";
+    case LFS_ERR_IO:
+        return "LFS_ERR_IO";
+    case LFS_ERR_CORRUPT:
+        return "LFS_ERR_CORRUPT";
+    case LFS_ERR_NOENT:
+        return "LFS_ERR_NOENT";
+    case LFS_ERR_EXIST:
+        return "LFS_ERR_EXIST";
+    case LFS_ERR_NOTDIR:
+        return "LFS_ERR_NOTDIR";
+    case LFS_ERR_ISDIR:
+        return "LFS_ERR_ISDIR";
+    case LFS_ERR_NOTEMPTY:
+        return "LFS_ERR_NOTEMPTY";
+    case LFS_ERR_BADF:
+        return "LFS_ERR_BADF";
+    case LFS_ERR_INVAL:
+        return "LFS_ERR_INVAL";
+    case LFS_ERR_NOSPC:
+        return "LFS_ERR_NOSPC";
+    case LFS_ERR_NOMEM:
+        return "LFS_ERR_NOMEM";
+
+    default:
+        static char errcode[10];
+        sprintf(errcode, "%ld", err);
+        return errcode;
+    }
+
+    return NULL;
+}
+
+#endif

src/platform/stm32wl/STM32_LittleFS.h

@@ -0,0 +1,107 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Ha Thach for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef STM32_LITTLEFS_H_
+#define STM32_LITTLEFS_H_
+
+#include <Stream.h>
+
+// Internal Flash uses ARM Little FileSystem
+// https://github.com/ARMmbed/littlefs
+#include "../../freertosinc.h" // tied to FreeRTOS for serialization
+#include "STM32_LittleFS_File.h"
+#include "littlefs/lfs.h"
+
+class STM32_LittleFS
+{
+  public:
+    STM32_LittleFS(void);
+    STM32_LittleFS(struct lfs_config *cfg);
+    virtual ~STM32_LittleFS();
+
+    bool begin(struct lfs_config *cfg = NULL);
+    void end(void);
+
+    // Open the specified file/directory with the supplied mode (e.g. read or
+    // write, etc). Returns a File object for interacting with the file.
+    // Note that currently only one file can be open at a time.
+    STM32_LittleFS_Namespace::File open(char const *filename, uint8_t mode = STM32_LittleFS_Namespace::FILE_O_READ);
+
+    // Methods to determine if the requested file path exists.
+    bool exists(char const *filepath);
+
+    // Create the requested directory hierarchy--if intermediate directories
+    // do not exist they will be created.
+    bool mkdir(char const *filepath);
+
+    // Delete the file.
+    bool remove(char const *filepath);
+
+    // Rename the file.
+    bool rename(char const *oldfilepath, char const *newfilepath);
+
+    // Delete a folder (must be empty)
+    bool rmdir(char const *filepath);
+
+    // Delete a folder (recursively)
+    bool rmdir_r(char const *filepath);
+
+    // format file system
+    bool format(void);
+
+    /*------------------------------------------------------------------*/
+    /* INTERNAL USAGE ONLY
+     * Although declare as public, it is meant to be invoked by internal
+     * code. User should not call these directly
+     *------------------------------------------------------------------*/
+    lfs_t *_getFS(void) { return &_lfs; }
+    void _lockFS(void)
+    { /* no-op */
+    }
+    void _unlockFS(void)
+    { /* no-op */
+    }
+
+  protected:
+    bool _mounted;
+    struct lfs_config *_lfs_cfg;
+    lfs_t _lfs;
+};
+
+#if !CFG_DEBUG
+#define VERIFY_LFS(...) _GET_3RD_ARG(__VA_ARGS__, VERIFY_ERR_2ARGS, VERIFY_ERR_1ARGS)(__VA_ARGS__, NULL)
+#define PRINT_LFS_ERR(_err)
+#else
+#define VERIFY_LFS(...) _GET_3RD_ARG(__VA_ARGS__, VERIFY_ERR_2ARGS, VERIFY_ERR_1ARGS)(__VA_ARGS__, dbg_strerr_lfs)
+#define PRINT_LFS_ERR(_err)                                                                                                      \
+    do {                                                                                                                         \
+        if (_err) {                                                                                                              \
+            printf("%s:%d, LFS error: %d\n", __FILE__, __LINE__, _err);                                                          \
+        }                                                                                                                        \
+    } while (0) // LFS_ERR are of type int, VERIFY_MESS expects long_int
+
+const char *dbg_strerr_lfs(int32_t err);
+#endif
+
+#endif /* STM32_LITTLEFS_H_ */

src/platform/stm32wl/STM32_LittleFS_File.cpp

@@ -0,0 +1,394 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Ha Thach for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "STM32_LittleFS.h"
+#include <Arduino.h>
+
+#define rtos_malloc malloc
+#define rtos_free free
+
+//--------------------------------------------------------------------+
+// MACRO TYPEDEF CONSTANT ENUM DECLARATION
+//--------------------------------------------------------------------+
+
+using namespace STM32_LittleFS_Namespace;
+
+File::File(STM32_LittleFS &fs)
+{
+    _fs = &fs;
+    _is_dir = false;
+    _name[0] = 0;
+    _name[LFS_NAME_MAX] = 0;
+    _dir_path = NULL;
+
+    _dir = NULL;
+    _file = NULL;
+}
+
+File::File(char const *filename, uint8_t mode, STM32_LittleFS &fs) : File(fs)
+{
+    // public constructor calls public API open(), which will obtain the mutex
+    this->open(filename, mode);
+}
+
+bool File::_open_file(char const *filepath, uint8_t mode)
+{
+    int flags = (mode == FILE_O_READ) ? LFS_O_RDONLY : (mode == FILE_O_WRITE) ? (LFS_O_RDWR | LFS_O_CREAT) : 0;
+
+    if (flags) {
+        _file = (lfs_file_t *)rtos_malloc(sizeof(lfs_file_t));
+        if (!_file)
+            return false;
+
+        int rc = lfs_file_open(_fs->_getFS(), _file, filepath, flags);
+
+        if (rc) {
+            // failed to open
+            PRINT_LFS_ERR(rc);
+            // free memory
+            rtos_free(_file);
+            _file = NULL;
+            return false;
+        }
+
+        // move to end of file
+        if (mode == FILE_O_WRITE)
+            lfs_file_seek(_fs->_getFS(), _file, 0, LFS_SEEK_END);
+
+        _is_dir = false;
+    }
+
+    return true;
+}
+
+bool File::_open_dir(char const *filepath)
+{
+    _dir = (lfs_dir_t *)rtos_malloc(sizeof(lfs_dir_t));
+    if (!_dir)
+        return false;
+
+    int rc = lfs_dir_open(_fs->_getFS(), _dir, filepath);
+
+    if (rc) {
+        // failed to open
+        PRINT_LFS_ERR(rc);
+        // free memory
+        rtos_free(_dir);
+        _dir = NULL;
+        return false;
+    }
+
+    _is_dir = true;
+
+    _dir_path = (char *)rtos_malloc(strlen(filepath) + 1);
+    strcpy(_dir_path, filepath);
+
+    return true;
+}
+
+bool File::open(char const *filepath, uint8_t mode)
+{
+    bool ret = false;
+    _fs->_lockFS();
+
+    ret = this->_open(filepath, mode);
+
+    _fs->_unlockFS();
+    return ret;
+}
+
+bool File::_open(char const *filepath, uint8_t mode)
+{
+    bool ret = false;
+
+    // close if currently opened
+    if (this->isOpen())
+        _close();
+
+    struct lfs_info info;
+    int rc = lfs_stat(_fs->_getFS(), filepath, &info);
+
+    if (LFS_ERR_OK == rc) {
+        // file existed, open file or directory accordingly
+        ret = (info.type == LFS_TYPE_REG) ? _open_file(filepath, mode) : _open_dir(filepath);
+    } else if (LFS_ERR_NOENT == rc) {
+        // file not existed, only proceed with FILE_O_WRITE mode
+        if (mode == FILE_O_WRITE)
+            ret = _open_file(filepath, mode);
+    } else {
+        PRINT_LFS_ERR(rc);
+    }
+
+    // save bare file name
+    if (ret) {
+        char const *splash = strrchr(filepath, '/');
+        strncpy(_name, splash ? (splash + 1) : filepath, LFS_NAME_MAX);
+    }
+    return ret;
+}
+
+size_t File::write(uint8_t ch)
+{
+    return write(&ch, 1);
+}
+
+size_t File::write(uint8_t const *buf, size_t size)
+{
+    lfs_ssize_t wrcount = 0;
+    _fs->_lockFS();
+
+    if (!this->_is_dir) {
+        wrcount = lfs_file_write(_fs->_getFS(), _file, buf, size);
+        if (wrcount < 0) {
+            wrcount = 0;
+        }
+    }
+
+    _fs->_unlockFS();
+    return wrcount;
+}
+
+int File::read(void)
+{
+    // this thin wrapper relies on called function to synchronize
+    int ret = -1;
+    uint8_t ch;
+    if (read(&ch, 1) > 0) {
+        ret = static_cast<int>(ch);
+    }
+    return ret;
+}
+
+int File::read(void *buf, uint16_t nbyte)
+{
+    int ret = 0;
+    _fs->_lockFS();
+
+    if (!this->_is_dir) {
+        ret = lfs_file_read(_fs->_getFS(), _file, buf, nbyte);
+    }
+
+    _fs->_unlockFS();
+    return ret;
+}
+
+int File::peek(void)
+{
+    int ret = -1;
+    _fs->_lockFS();
+
+    if (!this->_is_dir) {
+        uint32_t pos = lfs_file_tell(_fs->_getFS(), _file);
+        uint8_t ch = 0;
+        if (lfs_file_read(_fs->_getFS(), _file, &ch, 1) > 0) {
+            ret = static_cast<int>(ch);
+        }
+        (void)lfs_file_seek(_fs->_getFS(), _file, pos, LFS_SEEK_SET);
+    }
+
+    _fs->_unlockFS();
+    return ret;
+}
+
+int File::available(void)
+{
+    int ret = 0;
+    _fs->_lockFS();
+
+    if (!this->_is_dir) {
+        uint32_t size = lfs_file_size(_fs->_getFS(), _file);
+        uint32_t pos = lfs_file_tell(_fs->_getFS(), _file);
+        ret = size - pos;
+    }
+
+    _fs->_unlockFS();
+    return ret;
+}
+
+bool File::seek(uint32_t pos)
+{
+    bool ret = false;
+    _fs->_lockFS();
+
+    if (!this->_is_dir) {
+        ret = lfs_file_seek(_fs->_getFS(), _file, pos, LFS_SEEK_SET) >= 0;
+    }
+
+    _fs->_unlockFS();
+    return ret;
+}
+
+uint32_t File::position(void)
+{
+    uint32_t ret = 0;
+    _fs->_lockFS();
+
+    if (!this->_is_dir) {
+        ret = lfs_file_tell(_fs->_getFS(), _file);
+    }
+
+    _fs->_unlockFS();
+    return ret;
+}
+
+uint32_t File::size(void)
+{
+    uint32_t ret = 0;
+    _fs->_lockFS();
+
+    if (!this->_is_dir) {
+        ret = lfs_file_size(_fs->_getFS(), _file);
+    }
+
+    _fs->_unlockFS();
+    return ret;
+}
+
+bool File::truncate(uint32_t pos)
+{
+    int32_t ret = LFS_ERR_ISDIR;
+    _fs->_lockFS();
+    if (!this->_is_dir) {
+        ret = lfs_file_truncate(_fs->_getFS(), _file, pos);
+    }
+    _fs->_unlockFS();
+    return (ret == 0);
+}
+
+bool File::truncate(void)
+{
+    int32_t ret = LFS_ERR_ISDIR;
+    uint32_t pos;
+    _fs->_lockFS();
+    if (!this->_is_dir) {
+        pos = lfs_file_tell(_fs->_getFS(), _file);
+        ret = lfs_file_truncate(_fs->_getFS(), _file, pos);
+    }
+    _fs->_unlockFS();
+    return (ret == 0);
+}
+
+void File::flush(void)
+{
+    _fs->_lockFS();
+
+    if (!this->_is_dir) {
+        lfs_file_sync(_fs->_getFS(), _file);
+    }
+
+    _fs->_unlockFS();
+    return;
+}
+
+void File::close(void)
+{
+    _fs->_lockFS();
+    this->_close();
+    _fs->_unlockFS();
+}
+
+void File::_close(void)
+{
+    if (this->isOpen()) {
+        if (this->_is_dir) {
+            lfs_dir_close(_fs->_getFS(), _dir);
+            rtos_free(_dir);
+            _dir = NULL;
+
+            if (this->_dir_path)
+                rtos_free(_dir_path);
+            _dir_path = NULL;
+        } else {
+            lfs_file_close(this->_fs->_getFS(), _file);
+            rtos_free(_file);
+            _file = NULL;
+        }
+    }
+}
+
+File::operator bool(void)
+{
+    return isOpen();
+}
+
+bool File::isOpen(void)
+{
+    return (_file != NULL) || (_dir != NULL);
+}
+
+// WARNING -- although marked as `const`, the values pointed
+//            to may change.  For example, if the same File
+//            object has `open()` called with a different
+//            file or directory name, this same pointer will
+//            suddenly (unexpectedly?) have different values.
+char const *File::name(void)
+{
+    return this->_name;
+}
+
+bool File::isDirectory(void)
+{
+    return this->_is_dir;
+}
+
+File File::openNextFile(uint8_t mode)
+{
+    _fs->_lockFS();
+
+    File ret(*_fs);
+    if (this->_is_dir) {
+        struct lfs_info info;
+        int rc;
+
+        // lfs_dir_read returns 0 when reaching end of directory, 1 if found an entry
+        // Skip the "." and ".." entries ...
+        do {
+            rc = lfs_dir_read(_fs->_getFS(), _dir, &info);
+        } while (rc == 1 && (!strcmp(".", info.name) || !strcmp("..", info.name)));
+
+        if (rc == 1) {
+            // string cat name with current folder
+            char filepath[strlen(_dir_path) + 1 + strlen(info.name) + 1]; // potential for significant stack usage
+            strcpy(filepath, _dir_path);
+            if (!(_dir_path[0] == '/' && _dir_path[1] == 0))
+                strcat(filepath, "/"); // only add '/' if cwd is not root
+            strcat(filepath, info.name);
+
+            (void)ret._open(filepath, mode); // return value is ignored ... caller is expected to check isOpened()
+        } else if (rc < 0) {
+            PRINT_LFS_ERR(rc);
+        }
+    }
+    _fs->_unlockFS();
+    return ret;
+}
+
+void File::rewindDirectory(void)
+{
+    _fs->_lockFS();
+    if (this->_is_dir) {
+        lfs_dir_rewind(_fs->_getFS(), _dir);
+    }
+    _fs->_unlockFS();
+}

src/platform/stm32wl/STM32_LittleFS_File.h

@@ -0,0 +1,108 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Ha Thach for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef STM32_LITTLEFS_FILE_H_
+#define STM32_LITTLEFS_FILE_H_
+
+#include "littlefs/lfs.h"
+
+// Forward declaration
+class STM32_LittleFS;
+
+namespace STM32_LittleFS_Namespace
+{
+
+// avoid conflict with other FileSystem FILE_READ/FILE_WRITE
+enum {
+    FILE_O_READ = 0,
+    FILE_O_WRITE = 1,
+};
+
+class File : public Stream
+{
+  public:
+    File(STM32_LittleFS &fs);
+    File(char const *filename, uint8_t mode, STM32_LittleFS &fs);
+
+  public:
+    bool open(char const *filename, uint8_t mode);
+
+    //------------- Stream API -------------//
+    virtual size_t write(uint8_t ch);
+    virtual size_t write(uint8_t const *buf, size_t size);
+    size_t write(const char *str)
+    {
+        if (str == NULL)
+            return 0;
+        return write((const uint8_t *)str, strlen(str));
+    }
+    size_t write(const char *buffer, size_t size) { return write((const uint8_t *)buffer, size); }
+
+    virtual int read(void);
+    int read(void *buf, uint16_t nbyte);
+
+    virtual int peek(void);
+    virtual int available(void);
+    virtual void flush(void);
+
+    bool seek(uint32_t pos);
+    uint32_t position(void);
+    uint32_t size(void);
+
+    bool truncate(uint32_t pos);
+    bool truncate(void);
+
+    void close(void);
+
+    operator bool(void);
+
+    bool isOpen(void);
+    char const *name(void);
+
+    bool isDirectory(void);
+    File openNextFile(uint8_t mode = FILE_O_READ);
+    void rewindDirectory(void);
+
+  private:
+    STM32_LittleFS *_fs;
+
+    bool _is_dir;
+
+    union {
+        lfs_file_t *_file;
+        lfs_dir_t *_dir;
+    };
+
+    char *_dir_path;
+    char _name[LFS_NAME_MAX + 1];
+
+    bool _open(char const *filepath, uint8_t mode);
+    bool _open_file(char const *filepath, uint8_t mode);
+    bool _open_dir(char const *filepath);
+    void _close(void);
+};
+
+} // namespace STM32_LittleFS_Namespace
+
+#endif /* STM32_LITTLEFS_FILE_H_ */

src/platform/stm32wl/littlefs/lfs.h

@@ -0,0 +1,476 @@
+/*
+ * The little filesystem
+ *
+ * Copyright (c) 2017, Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#ifndef LFS_H
+#define LFS_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/// Version info ///
+
+// Software library version
+// Major (top-nibble), incremented on backwards incompatible changes
+// Minor (bottom-nibble), incremented on feature additions
+#define LFS_VERSION 0x00010006
+#define LFS_VERSION_MAJOR (0xffff & (LFS_VERSION >> 16))
+#define LFS_VERSION_MINOR (0xffff & (LFS_VERSION >> 0))
+
+// Version of On-disk data structures
+// Major (top-nibble), incremented on backwards incompatible changes
+// Minor (bottom-nibble), incremented on feature additions
+#define LFS_DISK_VERSION 0x00010001
+#define LFS_DISK_VERSION_MAJOR (0xffff & (LFS_DISK_VERSION >> 16))
+#define LFS_DISK_VERSION_MINOR (0xffff & (LFS_DISK_VERSION >> 0))
+
+/// Definitions ///
+
+// Type definitions
+typedef uint32_t lfs_size_t;
+typedef uint32_t lfs_off_t;
+
+typedef int32_t lfs_ssize_t;
+typedef int32_t lfs_soff_t;
+
+typedef uint32_t lfs_block_t;
+
+// Max name size in bytes
+#ifndef LFS_NAME_MAX
+#define LFS_NAME_MAX 255
+#endif
+
+// Possible error codes, these are negative to allow
+// valid positive return values
+enum lfs_error {
+    LFS_ERR_OK = 0,         // No error
+    LFS_ERR_IO = -5,        // Error during device operation
+    LFS_ERR_CORRUPT = -52,  // Corrupted
+    LFS_ERR_NOENT = -2,     // No directory entry
+    LFS_ERR_EXIST = -17,    // Entry already exists
+    LFS_ERR_NOTDIR = -20,   // Entry is not a dir
+    LFS_ERR_ISDIR = -21,    // Entry is a dir
+    LFS_ERR_NOTEMPTY = -39, // Dir is not empty
+    LFS_ERR_BADF = -9,      // Bad file number
+    LFS_ERR_INVAL = -22,    // Invalid parameter
+    LFS_ERR_NOSPC = -28,    // No space left on device
+    LFS_ERR_NOMEM = -12,    // No more memory available
+};
+
+// File types
+enum lfs_type {
+    LFS_TYPE_REG = 0x11,
+    LFS_TYPE_DIR = 0x22,
+    LFS_TYPE_SUPERBLOCK = 0x2e,
+};
+
+// File open flags
+enum lfs_open_flags {
+    // open flags
+    LFS_O_RDONLY = 1,      // Open a file as read only
+    LFS_O_WRONLY = 2,      // Open a file as write only
+    LFS_O_RDWR = 3,        // Open a file as read and write
+    LFS_O_CREAT = 0x0100,  // Create a file if it does not exist
+    LFS_O_EXCL = 0x0200,   // Fail if a file already exists
+    LFS_O_TRUNC = 0x0400,  // Truncate the existing file to zero size
+    LFS_O_APPEND = 0x0800, // Move to end of file on every write
+
+    // internally used flags
+    LFS_F_DIRTY = 0x10000,   // File does not match storage
+    LFS_F_WRITING = 0x20000, // File has been written since last flush
+    LFS_F_READING = 0x40000, // File has been read since last flush
+    LFS_F_ERRED = 0x80000,   // An error occured during write
+};
+
+// File seek flags
+enum lfs_whence_flags {
+    LFS_SEEK_SET = 0, // Seek relative to an absolute position
+    LFS_SEEK_CUR = 1, // Seek relative to the current file position
+    LFS_SEEK_END = 2, // Seek relative to the end of the file
+};
+
+// Configuration provided during initialization of the littlefs
+struct lfs_config {
+    // Opaque user provided context that can be used to pass
+    // information to the block device operations
+    void *context;
+
+    // Read a region in a block. Negative error codes are propogated
+    // to the user.
+    int (*read)(const struct lfs_config *c, lfs_block_t block, lfs_off_t off, void *buffer, lfs_size_t size);
+
+    // Program a region in a block. The block must have previously
+    // been erased. Negative error codes are propogated to the user.
+    // May return LFS_ERR_CORRUPT if the block should be considered bad.
+    int (*prog)(const struct lfs_config *c, lfs_block_t block, lfs_off_t off, const void *buffer, lfs_size_t size);
+
+    // Erase a block. A block must be erased before being programmed.
+    // The state of an erased block is undefined. Negative error codes
+    // are propogated to the user.
+    // May return LFS_ERR_CORRUPT if the block should be considered bad.
+    int (*erase)(const struct lfs_config *c, lfs_block_t block);
+
+    // Sync the state of the underlying block device. Negative error codes
+    // are propogated to the user.
+    int (*sync)(const struct lfs_config *c);
+
+    // Minimum size of a block read. This determines the size of read buffers.
+    // This may be larger than the physical read size to improve performance
+    // by caching more of the block device.
+    lfs_size_t read_size;
+
+    // Minimum size of a block program. This determines the size of program
+    // buffers. This may be larger than the physical program size to improve
+    // performance by caching more of the block device.
+    // Must be a multiple of the read size.
+    lfs_size_t prog_size;
+
+    // Size of an erasable block. This does not impact ram consumption and
+    // may be larger than the physical erase size. However, this should be
+    // kept small as each file currently takes up an entire block.
+    // Must be a multiple of the program size.
+    lfs_size_t block_size;
+
+    // Number of erasable blocks on the device.
+    lfs_size_t block_count;
+
+    // Number of blocks to lookahead during block allocation. A larger
+    // lookahead reduces the number of passes required to allocate a block.
+    // The lookahead buffer requires only 1 bit per block so it can be quite
+    // large with little ram impact. Should be a multiple of 32.
+    lfs_size_t lookahead;
+
+    // Optional, statically allocated read buffer. Must be read sized.
+    void *read_buffer;
+
+    // Optional, statically allocated program buffer. Must be program sized.
+    void *prog_buffer;
+
+    // Optional, statically allocated lookahead buffer. Must be 1 bit per
+    // lookahead block.
+    void *lookahead_buffer;
+
+    // Optional, statically allocated buffer for files. Must be program sized.
+    // If enabled, only one file may be opened at a time.
+    void *file_buffer;
+};
+
+// Optional configuration provided during lfs_file_opencfg
+struct lfs_file_config {
+    // Optional, statically allocated buffer for files. Must be program sized.
+    // If NULL, malloc will be used by default.
+    void *buffer;
+};
+
+// File info structure
+struct lfs_info {
+    // Type of the file, either LFS_TYPE_REG or LFS_TYPE_DIR
+    uint8_t type;
+
+    // Size of the file, only valid for REG files
+    lfs_size_t size;
+
+    // Name of the file stored as a null-terminated string
+    char name[LFS_NAME_MAX + 1];
+};
+
+/// littlefs data structures ///
+typedef struct lfs_entry {
+    lfs_off_t off;
+
+    struct lfs_disk_entry {
+        uint8_t type;
+        uint8_t elen;
+        uint8_t alen;
+        uint8_t nlen;
+        union {
+            struct {
+                lfs_block_t head;
+                lfs_size_t size;
+            } file;
+            lfs_block_t dir[2];
+        } u;
+    } d;
+} lfs_entry_t;
+
+typedef struct lfs_cache {
+    lfs_block_t block;
+    lfs_off_t off;
+    uint8_t *buffer;
+} lfs_cache_t;
+
+typedef struct lfs_file {
+    struct lfs_file *next;
+    lfs_block_t pair[2];
+    lfs_off_t poff;
+
+    lfs_block_t head;
+    lfs_size_t size;
+
+    const struct lfs_file_config *cfg;
+    uint32_t flags;
+    lfs_off_t pos;
+    lfs_block_t block;
+    lfs_off_t off;
+    lfs_cache_t cache;
+} lfs_file_t;
+
+typedef struct lfs_dir {
+    struct lfs_dir *next;
+    lfs_block_t pair[2];
+    lfs_off_t off;
+
+    lfs_block_t head[2];
+    lfs_off_t pos;
+
+    struct lfs_disk_dir {
+        uint32_t rev;
+        lfs_size_t size;
+        lfs_block_t tail[2];
+    } d;
+} lfs_dir_t;
+
+typedef struct lfs_superblock {
+    lfs_off_t off;
+
+    struct lfs_disk_superblock {
+        uint8_t type;
+        uint8_t elen;
+        uint8_t alen;
+        uint8_t nlen;
+        lfs_block_t root[2];
+        uint32_t block_size;
+        uint32_t block_count;
+        uint32_t version;
+        char magic[8];
+    } d;
+} lfs_superblock_t;
+
+typedef struct lfs_free {
+    lfs_block_t off;
+    lfs_block_t size;
+    lfs_block_t i;
+    lfs_block_t ack;
+    uint32_t *buffer;
+} lfs_free_t;
+
+// The littlefs type
+typedef struct lfs {
+    const struct lfs_config *cfg;
+
+    lfs_block_t root[2];
+    lfs_file_t *files;
+    lfs_dir_t *dirs;
+
+    lfs_cache_t rcache;
+    lfs_cache_t pcache;
+
+    lfs_free_t free;
+    bool deorphaned;
+} lfs_t;
+
+/// Filesystem functions ///
+
+// Format a block device with the littlefs
+//
+// Requires a littlefs object and config struct. This clobbers the littlefs
+// object, and does not leave the filesystem mounted. The config struct must
+// be zeroed for defaults and backwards compatibility.
+//
+// Returns a negative error code on failure.
+int lfs_format(lfs_t *lfs, const struct lfs_config *config);
+
+// Mounts a littlefs
+//
+// Requires a littlefs object and config struct. Multiple filesystems
+// may be mounted simultaneously with multiple littlefs objects. Both
+// lfs and config must be allocated while mounted. The config struct must
+// be zeroed for defaults and backwards compatibility.
+//
+// Returns a negative error code on failure.
+int lfs_mount(lfs_t *lfs, const struct lfs_config *config);
+
+// Unmounts a littlefs
+//
+// Does nothing besides releasing any allocated resources.
+// Returns a negative error code on failure.
+int lfs_unmount(lfs_t *lfs);
+
+/// General operations ///
+
+// Removes a file or directory
+//
+// If removing a directory, the directory must be empty.
+// Returns a negative error code on failure.
+int lfs_remove(lfs_t *lfs, const char *path);
+
+// Rename or move a file or directory
+//
+// If the destination exists, it must match the source in type.
+// If the destination is a directory, the directory must be empty.
+//
+// Returns a negative error code on failure.
+int lfs_rename(lfs_t *lfs, const char *oldpath, const char *newpath);
+
+// Find info about a file or directory
+//
+// Fills out the info structure, based on the specified file or directory.
+// Returns a negative error code on failure.
+int lfs_stat(lfs_t *lfs, const char *path, struct lfs_info *info);
+
+/// File operations ///
+
+// Open a file
+//
+// The mode that the file is opened in is determined by the flags, which
+// are values from the enum lfs_open_flags that are bitwise-ored together.
+//
+// Returns a negative error code on failure.
+int lfs_file_open(lfs_t *lfs, lfs_file_t *file, const char *path, int flags);
+
+// Open a file with extra configuration
+//
+// The mode that the file is opened in is determined by the flags, which
+// are values from the enum lfs_open_flags that are bitwise-ored together.
+//
+// The config struct provides additional config options per file as described
+// above. The config struct must be allocated while the file is open, and the
+// config struct must be zeroed for defaults and backwards compatibility.
+//
+// Returns a negative error code on failure.
+int lfs_file_opencfg(lfs_t *lfs, lfs_file_t *file, const char *path, int flags, const struct lfs_file_config *config);
+
+// Close a file
+//
+// Any pending writes are written out to storage as though
+// sync had been called and releases any allocated resources.
+//
+// Returns a negative error code on failure.
+int lfs_file_close(lfs_t *lfs, lfs_file_t *file);
+
+// Synchronize a file on storage
+//
+// Any pending writes are written out to storage.
+// Returns a negative error code on failure.
+int lfs_file_sync(lfs_t *lfs, lfs_file_t *file);
+
+// Read data from file
+//
+// Takes a buffer and size indicating where to store the read data.
+// Returns the number of bytes read, or a negative error code on failure.
+lfs_ssize_t lfs_file_read(lfs_t *lfs, lfs_file_t *file, void *buffer, lfs_size_t size);
+
+// Write data to file
+//
+// Takes a buffer and size indicating the data to write. The file will not
+// actually be updated on the storage until either sync or close is called.
+//
+// Returns the number of bytes written, or a negative error code on failure.
+lfs_ssize_t lfs_file_write(lfs_t *lfs, lfs_file_t *file, const void *buffer, lfs_size_t size);
+
+// Change the position of the file
+//
+// The change in position is determined by the offset and whence flag.
+// Returns the old position of the file, or a negative error code on failure.
+lfs_soff_t lfs_file_seek(lfs_t *lfs, lfs_file_t *file, lfs_soff_t off, int whence);
+
+// Truncates the size of the file to the specified size
+//
+// Returns a negative error code on failure.
+int lfs_file_truncate(lfs_t *lfs, lfs_file_t *file, lfs_off_t size);
+
+// Return the position of the file
+//
+// Equivalent to lfs_file_seek(lfs, file, 0, LFS_SEEK_CUR)
+// Returns the position of the file, or a negative error code on failure.
+lfs_soff_t lfs_file_tell(lfs_t *lfs, lfs_file_t *file);
+
+// Change the position of the file to the beginning of the file
+//
+// Equivalent to lfs_file_seek(lfs, file, 0, LFS_SEEK_CUR)
+// Returns a negative error code on failure.
+int lfs_file_rewind(lfs_t *lfs, lfs_file_t *file);
+
+// Return the size of the file
+//
+// Similar to lfs_file_seek(lfs, file, 0, LFS_SEEK_END)
+// Returns the size of the file, or a negative error code on failure.
+lfs_soff_t lfs_file_size(lfs_t *lfs, lfs_file_t *file);
+
+/// Directory operations ///
+
+// Create a directory
+//
+// Returns a negative error code on failure.
+int lfs_mkdir(lfs_t *lfs, const char *path);
+
+// Open a directory
+//
+// Once open a directory can be used with read to iterate over files.
+// Returns a negative error code on failure.
+int lfs_dir_open(lfs_t *lfs, lfs_dir_t *dir, const char *path);
+
+// Close a directory
+//
+// Releases any allocated resources.
+// Returns a negative error code on failure.
+int lfs_dir_close(lfs_t *lfs, lfs_dir_t *dir);
+
+// Read an entry in the directory
+//
+// Fills out the info structure, based on the specified file or directory.
+// Returns a negative error code on failure.
+int lfs_dir_read(lfs_t *lfs, lfs_dir_t *dir, struct lfs_info *info);
+
+// Change the position of the directory
+//
+// The new off must be a value previous returned from tell and specifies
+// an absolute offset in the directory seek.
+//
+// Returns a negative error code on failure.
+int lfs_dir_seek(lfs_t *lfs, lfs_dir_t *dir, lfs_off_t off);
+
+// Return the position of the directory
+//
+// The returned offset is only meant to be consumed by seek and may not make
+// sense, but does indicate the current position in the directory iteration.
+//
+// Returns the position of the directory, or a negative error code on failure.
+lfs_soff_t lfs_dir_tell(lfs_t *lfs, lfs_dir_t *dir);
+
+// Change the position of the directory to the beginning of the directory
+//
+// Returns a negative error code on failure.
+int lfs_dir_rewind(lfs_t *lfs, lfs_dir_t *dir);
+
+/// Miscellaneous littlefs specific operations ///
+
+// Traverse through all blocks in use by the filesystem
+//
+// The provided callback will be called with each block address that is
+// currently in use by the filesystem. This can be used to determine which
+// blocks are in use or how much of the storage is available.
+//
+// Returns a negative error code on failure.
+int lfs_traverse(lfs_t *lfs, int (*cb)(void *, lfs_block_t), void *data);
+
+// Prunes any recoverable errors that may have occured in the filesystem
+//
+// Not needed to be called by user unless an operation is interrupted
+// but the filesystem is still mounted. This is already called on first
+// allocation.
+//
+// Returns a negative error code on failure.
+int lfs_deorphan(lfs_t *lfs);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif

src/platform/stm32wl/littlefs/lfs_util.c

@@ -0,0 +1,28 @@
+/*
+ * lfs util functions
+ *
+ * Copyright (c) 2017, Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#include "lfs_util.h"
+
+// Only compile if user does not provide custom config
+#ifndef LFS_CONFIG
+
+// Software CRC implementation with small lookup table
+void lfs_crc(uint32_t *restrict crc, const void *buffer, size_t size)
+{
+    static const uint32_t rtable[16] = {
+        0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac, 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c,
+        0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c, 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c,
+    };
+
+    const uint8_t *data = buffer;
+
+    for (size_t i = 0; i < size; i++) {
+        *crc = (*crc >> 4) ^ rtable[(*crc ^ (data[i] >> 0)) & 0xf];
+        *crc = (*crc >> 4) ^ rtable[(*crc ^ (data[i] >> 4)) & 0xf];
+    }
+}
+
+#endif

src/platform/stm32wl/littlefs/lfs_util.h

@@ -0,0 +1,199 @@
+/*
+ * lfs utility functions
+ *
+ * Copyright (c) 2017, Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#ifndef LFS_UTIL_H
+#define LFS_UTIL_H
+
+// Users can override lfs_util.h with their own configuration by defining
+// LFS_CONFIG as a header file to include (-DLFS_CONFIG=lfs_config.h).
+//
+// If LFS_CONFIG is used, none of the default utils will be emitted and must be
+// provided by the config file. To start I would suggest copying lfs_util.h and
+// modifying as needed.
+#ifdef LFS_CONFIG
+#define LFS_STRINGIZE(x) LFS_STRINGIZE2(x)
+#define LFS_STRINGIZE2(x) #x
+#include LFS_STRINGIZE(LFS_CONFIG)
+#else
+
+// System includes
+#include <stdbool.h>
+#include <stdint.h>
+#include <string.h>
+
+#ifndef LFS_NO_MALLOC
+#include <stdlib.h>
+#endif
+#ifndef LFS_NO_ASSERT
+#include <assert.h>
+#endif
+
+#if !CFG_DEBUG
+#define LFS_NO_DEBUG
+#define LFS_NO_WARN
+#define LFS_NO_ERROR
+#endif
+
+#if !defined(LFS_NO_DEBUG) || !defined(LFS_NO_WARN) || !defined(LFS_NO_ERROR)
+#include <stdio.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Macros, may be replaced by system specific wrappers. Arguments to these
+// macros must not have side-effects as the macros can be removed for a smaller
+// code footprint
+
+// Logging functions
+#ifndef LFS_NO_DEBUG
+#define LFS_DEBUG(fmt, ...) printf("lfs debug:%d: " fmt "\n", __LINE__, __VA_ARGS__)
+#else
+#define LFS_DEBUG(fmt, ...)
+#endif
+
+#ifndef LFS_NO_WARN
+#define LFS_WARN(fmt, ...) printf("lfs warn:%d: " fmt "\n", __LINE__, __VA_ARGS__)
+#else
+#define LFS_WARN(fmt, ...)
+#endif
+
+#ifndef LFS_NO_ERROR
+#define LFS_ERROR(fmt, ...) printf("lfs error:%d: " fmt "\n", __LINE__, __VA_ARGS__)
+#else
+#define LFS_ERROR(fmt, ...)
+#endif
+
+// Runtime assertions
+#ifndef LFS_NO_ASSERT
+#define LFS_ASSERT(test) assert(test)
+#else
+#define LFS_ASSERT(test)
+#endif
+
+// Builtin functions, these may be replaced by more efficient
+// toolchain-specific implementations. LFS_NO_INTRINSICS falls back to a more
+// expensive basic C implementation for debugging purposes
+
+// Min/max functions for unsigned 32-bit numbers
+static inline uint32_t lfs_max(uint32_t a, uint32_t b)
+{
+    return (a > b) ? a : b;
+}
+
+static inline uint32_t lfs_min(uint32_t a, uint32_t b)
+{
+    return (a < b) ? a : b;
+}
+
+// Find the next smallest power of 2 less than or equal to a
+static inline uint32_t lfs_npw2(uint32_t a)
+{
+#if !defined(LFS_NO_INTRINSICS) && (defined(__GNUC__) || defined(__CC_ARM))
+    return 32 - __builtin_clz(a - 1);
+#else
+    uint32_t r = 0;
+    uint32_t s;
+    a -= 1;
+    s = (a > 0xffff) << 4;
+    a >>= s;
+    r |= s;
+    s = (a > 0xff) << 3;
+    a >>= s;
+    r |= s;
+    s = (a > 0xf) << 2;
+    a >>= s;
+    r |= s;
+    s = (a > 0x3) << 1;
+    a >>= s;
+    r |= s;
+    return (r | (a >> 1)) + 1;
+#endif
+}
+
+// Count the number of trailing binary zeros in a
+// lfs_ctz(0) may be undefined
+static inline uint32_t lfs_ctz(uint32_t a)
+{
+#if !defined(LFS_NO_INTRINSICS) && defined(__GNUC__)
+    return __builtin_ctz(a);
+#else
+    return lfs_npw2((a & -a) + 1) - 1;
+#endif
+}
+
+// Count the number of binary ones in a
+static inline uint32_t lfs_popc(uint32_t a)
+{
+#if !defined(LFS_NO_INTRINSICS) && (defined(__GNUC__) || defined(__CC_ARM))
+    return __builtin_popcount(a);
+#else
+    a = a - ((a >> 1) & 0x55555555);
+    a = (a & 0x33333333) + ((a >> 2) & 0x33333333);
+    return (((a + (a >> 4)) & 0xf0f0f0f) * 0x1010101) >> 24;
+#endif
+}
+
+// Find the sequence comparison of a and b, this is the distance
+// between a and b ignoring overflow
+static inline int lfs_scmp(uint32_t a, uint32_t b)
+{
+    return (int)(unsigned)(a - b);
+}
+
+// Convert from 32-bit little-endian to native order
+static inline uint32_t lfs_fromle32(uint32_t a)
+{
+#if !defined(LFS_NO_INTRINSICS) && ((defined(BYTE_ORDER) && BYTE_ORDER == ORDER_LITTLE_ENDIAN) ||                                \
+                                    (defined(__BYTE_ORDER) && __BYTE_ORDER == __ORDER_LITTLE_ENDIAN) ||                          \
+                                    (defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__))
+    return a;
+#elif !defined(LFS_NO_INTRINSICS) &&                                                                                             \
+    ((defined(BYTE_ORDER) && BYTE_ORDER == ORDER_BIG_ENDIAN) || (defined(__BYTE_ORDER) && __BYTE_ORDER == __ORDER_BIG_ENDIAN) || \
+     (defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__))
+    return __builtin_bswap32(a);
+#else
+    return (((uint8_t *)&a)[0] << 0) | (((uint8_t *)&a)[1] << 8) | (((uint8_t *)&a)[2] << 16) | (((uint8_t *)&a)[3] << 24);
+#endif
+}
+
+// Convert to 32-bit little-endian from native order
+static inline uint32_t lfs_tole32(uint32_t a)
+{
+    return lfs_fromle32(a);
+}
+
+// Calculate CRC-32 with polynomial = 0x04c11db7
+void lfs_crc(uint32_t *crc, const void *buffer, size_t size);
+
+// Allocate memory, only used if buffers are not provided to littlefs
+static inline void *lfs_malloc(size_t size)
+{
+#ifndef LFS_NO_MALLOC
+    return malloc(size);
+#else
+    (void)size;
+    return NULL;
+#endif
+}
+
+// Deallocate memory, only used if buffers are not provided to littlefs
+static inline void lfs_free(void *p)
+{
+#ifndef LFS_NO_MALLOC
+    free(p);
+#else
+    (void)p;
+#endif
+}
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif
+#endif

src/shutdown.h

@@ -32,6 +32,8 @@ void powerCommandsCheck()
             delete screen;
         LOG_DEBUG("final reboot!");
         reboot();
+#elif defined(ARCH_STM32WL)
+        HAL_NVIC_SystemReset();
 #else
         rebootAtMsec = -1;
         LOG_WARN("FIXME implement reboot for this platform. Note that some settings require a restart to be applied");

userPrefs.jsonc

@@ -40,5 +40,9 @@
   // "USERPREFS_OEM_IMAGE_WIDTH": "50",
   // "USERPREFS_OEM_IMAGE_HEIGHT": "28",
   // "USERPREFS_OEM_IMAGE_DATA": "{ 0x00, 0x00, 0xF0, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x03, 0x00, 0x00, 0x00, 0xC0, 0x07, 0x80, 0x0F, 0x00, 0x00, 0x00, 0xF0, 0x00, 0x00, 0x3C, 0x00, 0x00, 0x00, 0x38, 0x00, 0x00, 0x70, 0x00, 0x00, 0x00, 0x18, 0xFF, 0xFF, 0x61, 0x00, 0x00, 0x00, 0x0C, 0xFF, 0xFF, 0xC7, 0x00, 0x00, 0x00, 0x0C, 0xFF, 0xFF, 0xC7, 0x00, 0x00, 0x00, 0x18, 0xFF, 0xFF, 0x67, 0x00, 0x00, 0x00, 0x18, 0x1F, 0xF0, 0x67, 0x00, 0x00, 0x00, 0x30, 0x1F, 0xF8, 0x33, 0x00, 0x00, 0x00, 0x30, 0x00, 0xFC, 0x31, 0x00, 0x00, 0x00, 0x60, 0x00, 0xFE, 0x18, 0x00, 0x00, 0x00, 0x60, 0x00, 0x7E, 0x18, 0x00, 0x00, 0x00, 0xC0, 0x00, 0x3F, 0x0C, 0x00, 0x00, 0x00, 0xC0, 0x80, 0x1F, 0x0C, 0x00, 0x00, 0x00, 0x80, 0x81, 0x1F, 0x06, 0x00, 0x00, 0x00, 0x80, 0xC1, 0x0F, 0x06, 0x00, 0x00, 0x00, 0x00, 0xC3, 0x0F, 0x03, 0x00, 0x00, 0x00, 0x00, 0xC3, 0x0F, 0x03, 0x00, 0x00, 0x00, 0x00, 0xE6, 0x8F, 0x01, 0x00, 0x00, 0x00, 0x00, 0xEE, 0xC7, 0x01, 0x00, 0x00, 0x00, 0x00, 0x0C, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1C, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x70, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE0, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x07, 0x00, 0x00, 0x00}",
+  // "USERPREFS_NETWORK_ENABLED_PROTOCOLS": "1", // Enable UDP mesh
+  // "USERPREFS_NETWORK_WIFI_ENABLED": "true",
+  // "USERPREFS_NETWORK_WIFI_SSID": "wifi_ssid",
+  // "USERPREFS_NETWORK_WIFI_PSK": "wifi_psk",
   "USERPREFS_TZ_STRING": "tzplaceholder                                         "
 }

variants/CDEBYTE_E77-MBL/platformio.ini

@@ -3,6 +3,7 @@ extends = stm32_base
 ; `ebyte_e77_dev` was added in this commit. Remove when a new release is used in the base.
 platform = https://github.com/platformio/platform-ststm32.git#3208828db447f4373cd303b7f7393c8fc0dae623
 board = ebyte_e77_dev
+board_upload.maximum_size = 233472 ; reserve the last 28KB for filesystem
 board_level = extra
 build_flags =
   ${stm32_base.build_flags}
@@ -11,31 +12,19 @@ build_flags =
   -DPIN_SERIAL_RX=PA3
   -DPIN_SERIAL_TX=PA2
   -DHAL_DAC_MODULE_ONLY
-  -DHAL_ADC_MODULE_DISABLED
+  -DHAL_RNG_MODULE_ENABLED
-  -DHAL_COMP_MODULE_DISABLED
-  -DHAL_CRC_MODULE_DISABLED
-  -DHAL_CRYP_MODULE_DISABLED
-  -DHAL_GTZC_MODULE_DISABLED
-  -DHAL_HSEM_MODULE_DISABLED
-  -DHAL_I2C_MODULE_DISABLED
-  -DHAL_I2S_MODULE_DISABLED
-  -DHAL_IPCC_MODULE_DISABLED
-  -DHAL_IRDA_MODULE_DISABLED
-  -DHAL_IWDG_MODULE_DISABLED
-  -DHAL_LPTIM_MODULE_DISABLED
-  -DHAL_PKA_MODULE_DISABLED
-  -DHAL_RNG_MODULE_DISABLED
-  -DHAL_RTC_MODULE_DISABLED
-  -DHAL_SMARTCARD_MODULE_DISABLED
-  -DHAL_SMBUS_MODULE_DISABLED
-  -DHAL_TIM_MODULE_DISABLED
-  -DHAL_WWDG_MODULE_DISABLED
-  -DHAL_EXTI_MODULE_DISABLED
-  -DHAL_SAI_MODULE_DISABLED
-  -DHAL_ICACHE_MODULE_DISABLED
   -DRADIOLIB_EXCLUDE_SX128X=1
   -DRADIOLIB_EXCLUDE_SX127X=1
   -DRADIOLIB_EXCLUDE_LR11X0=1
-; -D PIO_FRAMEWORK_ARDUINO_NANOLIB_FLOAT_PRINTF
+  -DMESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR=1
+  -DMESHTASTIC_EXCLUDE_I2C=1
+  -DMESHTASTIC_EXCLUDE_WIFI=1
+  -DMESHTASTIC_EXCLUDE_BLUETOOTH=1
+  -DMESHTASTIC_EXCLUDE_GPS=1
+  -DMESHTASTIC_EXCLUDE_SCREEN=1
+  -DMESHTASTIC_EXCLUDE_MQTT=1
+  -DMESHTASTIC_EXCLUDE_POWERMON=1
+  ;-DPIO_FRAMEWORK_ARDUINO_NANOLIB_FLOAT_PRINTF
+  ;-DCFG_DEBUG
 
 upload_port = stlink

variants/hackerboxes_esp32_io/platformio.ini

@@ -0,0 +1,12 @@
+[env:hackerboxes-esp32-io]
+extends = esp32_base
+board = esp32dev
+board_level = extra
+build_flags = 
+  ${esp32_base.build_flags}
+  -D PRIVATE_HW
+  -I variants/hackerboxes_esp32_io
+monitor_speed = 115200
+upload_protocol = esptool
+;upload_port = /dev/ttyUSB0
+upload_speed = 921600

variants/hackerboxes_esp32_io/variant.h

@@ -0,0 +1,30 @@
+#define BUTTON_PIN 0
+
+// HACKBOX LoRa IO Kit
+// Uses a ESP-32-WROOM and a RA-01SH (SX1262) LoRa Board
+
+#define LED_PIN 2      // LED
+#define LED_STATE_ON 1 // State when LED is lit
+
+#define HAS_SCREEN 0
+#define HAS_GPS 0
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+
+#define USE_SX1262
+#define LORA_SCK 18
+#define LORA_MISO 19
+#define LORA_MOSI 23
+#define LORA_CS 5
+#define LORA_DIO0 RADIOLIB_NC
+#define LORA_RESET 27
+#define LORA_DIO1 33
+#define LORA_DIO2 RADIOLIB_NC
+#define LORA_BUSY 32
+
+#define SX126X_DIO2_AS_RF_SWITCH
+#define SX126X_CS LORA_CS
+#define SX126X_DIO1 LORA_DIO1
+#define SX126X_BUSY LORA_BUSY
+#define SX126X_RESET LORA_RESET
+#define SX126X_MAX_POWER 22 // Max power of the RA-01SH is 22db

variants/hackerboxes_esp32c3_oled/platformio.ini

@@ -0,0 +1,14 @@
+[env:hackerboxes-esp32c3-oled]
+extends = esp32c3_base
+board = esp32-c3-devkitm-1
+board_level = extra
+build_flags = 
+  ${esp32_base.build_flags}
+  -D PRIVATE_HW
+  -D ARDUINO_USB_MODE=1
+  -D ARDUINO_USB_CDC_ON_BOOT=1
+  -I variants/hackerboxes_esp32c3_oled
+monitor_speed = 115200
+upload_protocol = esptool
+;upload_port = /dev/ttyUSB0
+upload_speed = 921600

variants/hackerboxes_esp32c3_oled/variant.h

@@ -0,0 +1,36 @@
+#define BUTTON_PIN 9
+
+// Hackerboxes LoRa ESP32-C3 OLED Kit
+// Uses a ESP32-C3 OLED Board and a RA-01SH (SX1262) LoRa Board
+
+#define LED_PIN 8      // LED
+#define LED_STATE_ON 1 // State when LED is lit
+
+#define HAS_SCREEN 0
+#define HAS_GPS 0
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+
+// #define USE_SSD1306_72_40
+// #define I2C_SDA 5 // I2C pins for this board
+// #define I2C_SCL 6 //
+// #define TFT_WIDTH 72
+// #define TFT_HEIGHT 40
+
+#define USE_SX1262
+#define LORA_SCK 4
+#define LORA_MISO 7
+#define LORA_MOSI 3
+#define LORA_CS 1
+#define LORA_DIO0 RADIOLIB_NC
+#define LORA_RESET 0
+#define LORA_DIO1 20
+#define LORA_DIO2 RADIOLIB_NC
+#define LORA_BUSY 10
+
+#define SX126X_DIO2_AS_RF_SWITCH
+#define SX126X_CS LORA_CS
+#define SX126X_DIO1 LORA_DIO1
+#define SX126X_BUSY LORA_BUSY
+#define SX126X_RESET LORA_RESET
+#define SX126X_MAX_POWER 22 // Max power of the RA-01SH is 22db

variants/heltec_sensor_hub/platformio.ini

@@ -0,0 +1,11 @@
+[env:heltec_sensor_hub]
+extends = esp32s3_base
+board = heltec_wifi_lora_32_V3
+board_check = true
+
+build_flags = 
+  ${esp32s3_base.build_flags} -I variants/heltec_sensor_hub
+  -D HELTEC_SENSOR_HUB
+
+lib_deps = ${esp32s3_base.lib_deps}
+  adafruit/Adafruit NeoPixel @ ^1.12.0

variants/heltec_sensor_hub/variant.h

@@ -0,0 +1,46 @@
+#define EXT_PWR_DETECT 20
+
+#define BUTTON_PIN 17
+
+#define BATTERY_PIN 7 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+#define ADC_CHANNEL ADC1_GPIO7_CHANNEL
+#define ADC_ATTENUATION ADC_ATTEN_DB_2_5 // lower dB for high resistance voltage divider
+#define ADC_MULTIPLIER (4.9 * 1.045)
+#define ADC_CTRL 34 // active HIGH, powers the voltage divider. Only on 1.1
+#define ADC_CTRL_ENABLED HIGH
+
+#define HAS_NEOPIXEL                         // Enable the use of neopixels
+#define NEOPIXEL_COUNT 1                     // How many neopixels are connected
+#define NEOPIXEL_DATA 18                     // gpio pin used to send data to the neopixels
+#define NEOPIXEL_TYPE (NEO_GRB + NEO_KHZ800) // type of neopixels in use
+
+#define USE_SX1262
+#define LORA_DIO0 RADIOLIB_NC
+#define LORA_RESET 12
+#define LORA_DIO1 14 // SX1262 IRQ
+#define LORA_DIO2 13 // SX1262 BUSY
+
+#define LORA_SCK 9
+#define LORA_MISO 11
+#define LORA_MOSI 10
+#define LORA_CS 8
+
+#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 1.8
+
+#define I2C_SDA 1
+#define I2C_SCL 2
+#define HAS_SCREEN 0
+#define SENSOR_POWER_CTRL_PIN 33
+#define SENSOR_POWER_ON 1
+
+#define PERIPHERAL_WARMUP_MS 100
+
+#define ESP32S3_WAKE_TYPE ESP_EXT1_WAKEUP_ANY_HIGH
+
+#define ENVIRONMENTAL_TELEMETRY_MODULE_ENABLE 1

variants/portduino/platformio.ini

@@ -27,6 +27,7 @@ build_flags = ${native_base.build_flags} -Os -lX11 -linput -lxkbcommon -ffunctio
   -D USE_X11=1
   -D HAS_TFT=1
   -D HAS_SCREEN=0
+  -D LV_CACHE_DEF_SIZE=6291456
   -D LV_BUILD_TEST=0
   -D LV_USE_LIBINPUT=1
   -D LV_LVGL_H_INCLUDE_SIMPLE
@@ -56,7 +57,7 @@ build_flags = ${native_base.build_flags} -O0 -fsanitize=address -lX11 -linput -l
   -D USE_X11=1
   -D HAS_TFT=1
   -D HAS_SCREEN=0
-;  -D CALIBRATE_TOUCH=0
+  -D LV_CACHE_DEF_SIZE=6291456
   -D LV_BUILD_TEST=0
   -D LV_USE_LOG=1
   -D LV_USE_SYSMON=1

variants/rak3172/platformio.ini

@@ -1,36 +1,23 @@
 [env:rak3172]
 extends = stm32_base
 board = wiscore_rak3172
+board_upload.maximum_size = 233472 ; reserve the last 28KB for filesystem
 build_flags =
   ${stm32_base.build_flags}
   -Ivariants/rak3172
-  -DSERIAL_UART_INSTANCE=1
-  -DPIN_SERIAL_RX=PB7
-  -DPIN_SERIAL_TX=PB6
   -DHAL_DAC_MODULE_ONLY
-  -DHAL_ADC_MODULE_DISABLED
+  -DHAL_RNG_MODULE_ENABLED
-  -DHAL_COMP_MODULE_DISABLED
-  -DHAL_CRC_MODULE_DISABLED
-  -DHAL_CRYP_MODULE_DISABLED
-  -DHAL_GTZC_MODULE_DISABLED
-  -DHAL_HSEM_MODULE_DISABLED
-  -DHAL_I2C_MODULE_DISABLED
-  -DHAL_I2S_MODULE_DISABLED
-  -DHAL_IPCC_MODULE_DISABLED
-  -DHAL_IRDA_MODULE_DISABLED
-  -DHAL_IWDG_MODULE_DISABLED
-  -DHAL_LPTIM_MODULE_DISABLED
-  -DHAL_PKA_MODULE_DISABLED
-  -DHAL_RNG_MODULE_DISABLED
-  -DHAL_RTC_MODULE_DISABLED
-  -DHAL_SMARTCARD_MODULE_DISABLED
-  -DHAL_SMBUS_MODULE_DISABLED
-  -DHAL_TIM_MODULE_DISABLED
-  -DHAL_WWDG_MODULE_DISABLED
-  -DHAL_EXTI_MODULE_DISABLED
-  -DHAL_SAI_MODULE_DISABLED
-  -DHAL_ICACHE_MODULE_DISABLED
   -DRADIOLIB_EXCLUDE_SX128X=1
   -DRADIOLIB_EXCLUDE_SX127X=1
   -DRADIOLIB_EXCLUDE_LR11X0=1
-upload_port = stlink
+  -DMESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR=1
+  -DMESHTASTIC_EXCLUDE_I2C=1
+  -DMESHTASTIC_EXCLUDE_WIFI=1
+  -DMESHTASTIC_EXCLUDE_BLUETOOTH=1
+  -DMESHTASTIC_EXCLUDE_GPS=1
+  -DMESHTASTIC_EXCLUDE_SCREEN=1
+  -DMESHTASTIC_EXCLUDE_MQTT=1
+  -DMESHTASTIC_EXCLUDE_POWERMON=1
+  ;-DPIO_FRAMEWORK_ARDUINO_NANOLIB_FLOAT_PRINTF
+  ;-DCFG_DEBUG
+upload_port = stlink

variants/rak3172/variant.h

@@ -1,3 +1,8 @@
+/*
+STM32WLE5 Core Module for LoRaWAN® RAK3372
+https://store.rakwireless.com/products/wisblock-core-module-rak3372
+*/
+
 /*
 This variant is a work in progress.
 Do not expect a working Meshtastic device with this target.
@@ -8,4 +13,7 @@ Do not expect a working Meshtastic device with this target.
 
 #define USE_STM32WLx
 
-#endif
+#define LED_PIN PA0 // Green LED
+#define LED_STATE_ON 1
+
+#endif

variants/t-deck/platformio.ini

@@ -42,7 +42,7 @@ build_flags =
   -D HAS_SCREEN=0
   -D HAS_TFT=1
   -D USE_I2S_BUZZER
-  -D RAM_SIZE=4096
+  -D RAM_SIZE=5120
 	-D LV_LVGL_H_INCLUDE_SIMPLE
 	-D LV_CONF_INCLUDE_SIMPLE
 	-D LV_COMP_CONF_INCLUDE_SIMPLE
@@ -66,6 +66,7 @@ build_flags =
   -D VIEW_320x240
 ;	-D USE_DOUBLE_BUFFER
   -D USE_PACKET_API
+  -D MAP_FULL_REDRAW
 
 lib_deps =
   ${env:t-deck.lib_deps}

variants/wio-e5/platformio.ini

@@ -1,6 +1,7 @@
 [env:wio-e5]
 extends = stm32_base
 board = lora_e5_dev_board
+board_upload.maximum_size = 233472 ; reserve the last 28KB for filesystem
 build_flags =
   ${stm32_base.build_flags}
   -Ivariants/wio-e5
@@ -8,31 +9,19 @@ build_flags =
   -DPIN_SERIAL_RX=PB7
   -DPIN_SERIAL_TX=PB6
   -DHAL_DAC_MODULE_ONLY
-  -DHAL_ADC_MODULE_DISABLED
+  -DHAL_RNG_MODULE_ENABLED
-  -DHAL_COMP_MODULE_DISABLED
-  -DHAL_CRC_MODULE_DISABLED
-  -DHAL_CRYP_MODULE_DISABLED
-  -DHAL_GTZC_MODULE_DISABLED
-  -DHAL_HSEM_MODULE_DISABLED
-  -DHAL_I2C_MODULE_DISABLED
-  -DHAL_I2S_MODULE_DISABLED
-  -DHAL_IPCC_MODULE_DISABLED
-  -DHAL_IRDA_MODULE_DISABLED
-  -DHAL_IWDG_MODULE_DISABLED
-  -DHAL_LPTIM_MODULE_DISABLED
-  -DHAL_PKA_MODULE_DISABLED
-  -DHAL_RNG_MODULE_DISABLED
-  -DHAL_RTC_MODULE_DISABLED
-  -DHAL_SMARTCARD_MODULE_DISABLED
-  -DHAL_SMBUS_MODULE_DISABLED
-  -DHAL_TIM_MODULE_DISABLED
-  -DHAL_WWDG_MODULE_DISABLED
-  -DHAL_EXTI_MODULE_DISABLED
-  -DHAL_SAI_MODULE_DISABLED
-  -DHAL_ICACHE_MODULE_DISABLED
   -DRADIOLIB_EXCLUDE_SX128X=1
   -DRADIOLIB_EXCLUDE_SX127X=1
   -DRADIOLIB_EXCLUDE_LR11X0=1
-; -D PIO_FRAMEWORK_ARDUINO_NANOLIB_FLOAT_PRINTF
+  -DMESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR=1
+  -DMESHTASTIC_EXCLUDE_I2C=1
+  -DMESHTASTIC_EXCLUDE_WIFI=1
+  -DMESHTASTIC_EXCLUDE_BLUETOOTH=1
+  -DMESHTASTIC_EXCLUDE_GPS=1
+  -DMESHTASTIC_EXCLUDE_SCREEN=1
+  -DMESHTASTIC_EXCLUDE_MQTT=1
+  -DMESHTASTIC_EXCLUDE_POWERMON=1
+  ;-DPIO_FRAMEWORK_ARDUINO_NANOLIB_FLOAT_PRINTF
+  ;-DCFG_DEBUG
 
 upload_port = stlink

variants/wio-e5/variant.h

@@ -17,4 +17,9 @@ Do not expect a working Meshtastic device with this target.
 #define LED_PIN PB5
 #define LED_STATE_ON 1
 
+#if (defined(LED_BUILTIN) && LED_BUILTIN == PNUM_NOT_DEFINED)
+#undef LED_BUILTIN
+#define LED_BUILTIN (LED_PIN)
+#endif
+
 #endif

version.properties

@@ -1,4 +1,4 @@
 [VERSION]  
 major = 2
 minor = 6
-build = 2
+build = 3