meshtastic · thebentern · Jul 26, 2024 · Nov 23, 2023 · Nov 25, 2023 · Nov 29, 2023
diff --git a/arch/stm32/stm32.ini b/arch/stm32/stm32.ini
@@ -0,0 +1,36 @@
+[stm32_base]
+extends = arduino_base
+platform = ststm32
+platform_packages = platformio/framework-arduinoststm32@https://github.com/stm32duino/Arduino_Core_STM32.git#361a7fdb67e2a7104e99b4f42a802469eef8b129
+
+build_type = release
+
+;board_build.flash_offset = 0x08000000
+
+build_flags = 
+  ${arduino_base.build_flags}
+  -flto
+  -Isrc/platform/stm32wl -g
+  -DMESHTASTIC_MINIMIZE_BUILD
+  -DDEBUG_MUTE
+;  -DVECT_TAB_OFFSET=0x08000000
+  -DconfigUSE_CMSIS_RTOS_V2=1
+;  -DSPI_MODE_0=SPI_MODE0
+  -fmerge-all-constants
+  -ffunction-sections
+  -fdata-sections
+
+build_src_filter = 
+  ${arduino_base.build_src_filter} -<platform/esp32/> -<nimble/> -<mesh/api/> -<mesh/wifi/> -<mesh/http/> -<modules/esp32> -<mesh/eth/> -<input> -<buzz> -<modules/Telemetry> -<platform/nrf52> -<platform/portduino> -<platform/rp2040> -<mesh/raspihttp>
+
+board_upload.offset_address = 0x08000000
+upload_protocol = stlink
+
+lib_deps =
+  ${env.lib_deps}
+  charlesbaynham/OSFS@^1.2.3
+  https://github.com/caveman99/Crypto.git#f61ae26a53f7a2d0ba5511625b8bf8eff3a35d5e
+
+lib_ignore =
+  mathertel/OneButton
+  Wire
diff --git a/arch/stm32/stm32wl5e.ini b/arch/stm32/stm32wl5e.ini
diff --git a/boards/generic_wl5e.json → boards/wiscore_rak3172.json b/boards/generic_wl5e.json → boards/wiscore_rak3172.json
@@ -1,5 +1,8 @@
 {
   "build": {
+    "arduino": {
+      "variant_h": "variant_RAK3172_MODULE.h"
+    },
     "core": "stm32",
     "cpu": "cortex-m4",
     "extra_flags": "-DSTM32WLxx -DSTM32WLE5xx -DARDUINO_GENERIC_WLE5CCUX",

diff --git a/src/FSCommon.cpp b/src/FSCommon.cpp
@@ -24,6 +24,30 @@ 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.
  *
@@ -33,7 +57,33 @@ SPIClass SPI1(HSPI);
  */
 bool copyFile(const char *from, const char *to)
 {
-#ifdef FSCom
+#ifdef ARCH_STM32WL
+    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\n", from);
+        return false;
+    } else if (r == noerr) {
+        r = OSFS::newFile(to, cbuffer, true);
+        if (r == noerr) {
+            return true;
+        } else {
+            LOG_ERROR("OSFS Error %d\n", r);
+            return false;
+        }
+
+    } else {
+        LOG_ERROR("OSFS Error %d\n", r);
+        return false;
+    }
+    return true;
+
+#elif defined(FSCom)
     unsigned char cbuffer[16];
 
     File f1 = FSCom.open(from, FILE_O_READ);
@@ -70,7 +120,13 @@ bool copyFile(const char *from, const char *to)
  */
 bool renameFile(const char *pathFrom, const char *pathTo)
 {
-#ifdef FSCom
+#ifdef ARCH_STM32WL
+    if (copyFile(pathFrom, pathTo) && (OSFS::deleteFile(pathFrom) == OSFS::result::NO_ERROR)) {
+        return true;
+    } else {
+        return false;
+    }
+#elif defined(FSCom)
 #ifdef ARCH_ESP32
     // rename was fixed for ESP32 IDF LittleFS in April
     return FSCom.rename(pathFrom, pathTo);

diff --git a/src/FSCommon.h b/src/FSCommon.h
@@ -15,10 +15,13 @@
 #endif
 
 #if defined(ARCH_STM32WL)
-#include "platform/stm32wl/InternalFileSystem.h" // STM32WL version
-#define FSCom InternalFS
-#define FSBegin() FSCom.begin()
-using namespace LittleFS_Namespace;
+// STM32WL series 2 Kbytes (8 rows of 256 bytes)
+#include <EEPROM.h>
+#include <OSFS.h>
+
+// Useful consts
+const OSFS::result noerr = OSFS::result::NO_ERROR;
+const OSFS::result notfound = OSFS::result::FILE_NOT_FOUND;
 #endif
 
 #if defined(ARCH_RP2040)

diff --git a/src/Power.cpp b/src/Power.cpp
@@ -200,7 +200,8 @@ class AnalogBatteryLevel : public HasBatteryLevel
         }
 #endif
 
-#if HAS_TELEMETRY && !defined(ARCH_PORTDUINO) && !defined(HAS_PMU) && !MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR
+#if HAS_TELEMETRY && !defined(ARCH_PORTDUINO) && !defined(ARCH_STM32WL) && !defined(HAS_PMU) &&                                  \
+    !MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR
         if (hasINA()) {
             LOG_DEBUG("Using INA on I2C addr 0x%x for device battery voltage\n", config.power.device_battery_ina_address);
             return getINAVoltage();
@@ -420,7 +421,7 @@ class AnalogBatteryLevel : public HasBatteryLevel
     }
 #endif
 
-#if HAS_TELEMETRY && !MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR && !defined(ARCH_PORTDUINO)
+#if HAS_TELEMETRY && !MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR && !defined(ARCH_PORTDUINO) && !defined(ARCH_STM32WL)
     uint16_t getINAVoltage()
     {
         if (nodeTelemetrySensorsMap[meshtastic_TelemetrySensorType_INA219].first == config.power.device_battery_ina_address) {

diff --git a/src/configuration.h b/src/configuration.h
@@ -259,6 +259,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define MESHTASTIC_EXCLUDE_SCREEN 1
 #define MESHTASTIC_EXCLUDE_MQTT 1
 #define MESHTASTIC_EXCLUDE_POWERMON 1
+#define MESHTASTIC_EXCLUDE_I2C 1
 #endif
 
 // Turn off all optional modules

diff --git a/src/detect/ScanI2CTwoWire.cpp b/src/detect/ScanI2CTwoWire.cpp
@@ -1,7 +1,8 @@
 #include "ScanI2CTwoWire.h"
 
+#if !MESHTASTIC_EXCLUDE_I2C
+
 #include "concurrency/LockGuard.h"
-#include "configuration.h"
 #if defined(ARCH_PORTDUINO)
 #include "linux/LinuxHardwareI2C.h"
 #endif
@@ -403,3 +404,4 @@ size_t ScanI2CTwoWire::countDevices() const
 {
     return foundDevices.size();
 }
+#endif
diff --git a/src/detect/ScanI2CTwoWire.h b/src/detect/ScanI2CTwoWire.h
@@ -1,5 +1,8 @@
 #pragma once
 
+#include "configuration.h"
+#if !MESHTASTIC_EXCLUDE_I2C
+
 #include <map>
 #include <memory>
 #include <stddef.h>
@@ -55,4 +58,5 @@ class ScanI2CTwoWire : public ScanI2C
     uint16_t getRegisterValue(const RegisterLocation &, ResponseWidth) const;
 
     DeviceType probeOLED(ScanI2C::DeviceAddress) const;
-};
+};
+#endif
diff --git a/src/freertosinc.h b/src/freertosinc.h
@@ -12,7 +12,7 @@
 #include <freertos/task.h>
 #endif
 
-#if defined(ARDUINO_NRF52_ADAFRUIT) || defined(ARDUINO_ARCH_STM32) || defined(ARDUINO_ARCH_RP2040)
+#if defined(ARDUINO_NRF52_ADAFRUIT) || defined(ARDUINO_ARCH_RP2040)
 #define HAS_FREE_RTOS
 
 #include <FreeRTOS.h>

diff --git a/src/gps/GPS.cpp b/src/gps/GPS.cpp
@@ -1182,7 +1182,7 @@ int GPS::prepareDeepSleep(void *unused)
 
 GnssModel_t GPS::probe(int serialSpeed)
 {
-#if defined(ARCH_NRF52) || defined(ARCH_PORTDUINO) || defined(ARCH_RP2040)
+#if defined(ARCH_NRF52) || defined(ARCH_PORTDUINO) || defined(ARCH_RP2040) || defined(ARCH_STM32WL)
     _serial_gps->end();
     _serial_gps->begin(serialSpeed);
 #else
@@ -1270,7 +1270,7 @@ GnssModel_t GPS::probe(int serialSpeed)
         _serial_gps->write(_message_prt, sizeof(_message_prt));
         delay(500);
         serialSpeed = 9600;
-#if defined(ARCH_NRF52) || defined(ARCH_PORTDUINO) || defined(ARCH_RP2040)
+#if defined(ARCH_NRF52) || defined(ARCH_PORTDUINO) || defined(ARCH_RP2040) || defined(ARCH_STM32WL)
         _serial_gps->end();
         _serial_gps->begin(serialSpeed);
 #else

diff --git a/src/gps/GeoCoord.cpp b/src/gps/GeoCoord.cpp
@@ -493,7 +493,7 @@ std::shared_ptr<GeoCoord> GeoCoord::pointAtDistance(double bearing, double range
  * The bearing in string format
  * @return Bearing in degrees
  */
-uint GeoCoord::bearingToDegrees(const char *bearing)
+unsigned int GeoCoord::bearingToDegrees(const char *bearing)
 {
     if (strcmp(bearing, "N") == 0)
         return 0;
@@ -537,7 +537,7 @@ uint GeoCoord::bearingToDegrees(const char *bearing)
  * The bearing in degrees
  * @return Bearing in string format
  */
-const char *GeoCoord::degreesToBearing(uint degrees)
+const char *GeoCoord::degreesToBearing(unsigned int degrees)
 {
     if (degrees >= 348 || degrees < 11)
         return "N";

diff --git a/src/gps/GeoCoord.h b/src/gps/GeoCoord.h
@@ -117,8 +117,8 @@ class GeoCoord
     static float bearing(double lat1, double lon1, double lat2, double lon2);
     static float rangeRadiansToMeters(double range_radians);
     static float rangeMetersToRadians(double range_meters);
-    static uint bearingToDegrees(const char *bearing);
-    static const char *degreesToBearing(uint degrees);
+    static unsigned int bearingToDegrees(const char *bearing);
+    static const char *degreesToBearing(unsigned int degrees);
 
     // Point to point conversions
     int32_t distanceTo(const GeoCoord &pointB);

diff --git a/src/main.cpp b/src/main.cpp
@@ -20,7 +20,11 @@
 #include "concurrency/OSThread.h"
 #include "concurrency/Periodic.h"
 #include "detect/ScanI2C.h"
+
+#if !MESHTASTIC_EXCLUDE_I2C
 #include "detect/ScanI2CTwoWire.h"
+#include <Wire.h>
+#endif
 #include "detect/axpDebug.h"
 #include "detect/einkScan.h"
 #include "graphics/RAKled.h"
@@ -31,7 +35,6 @@
 #include "shutdown.h"
 #include "sleep.h"
 #include "target_specific.h"
-#include <Wire.h>
 #include <memory>
 #include <utility>
 // #include <driver/rtc_io.h>
@@ -159,8 +162,10 @@ bool pauseBluetoothLogging = false;
 
 bool pmu_found;
 
+#if !MESHTASTIC_EXCLUDE_I2C
 // Array map of sensor types with i2c address and wire as we'll find in the i2c scan
 std::pair<uint8_t, TwoWire *> nodeTelemetrySensorsMap[_meshtastic_TelemetrySensorType_MAX + 1] = {};
+#endif
 
 Router *router = NULL; // Users of router don't care what sort of subclass implements that API
 
@@ -349,6 +354,7 @@ void setup()
 
 #endif
 
+#if !MESHTASTIC_EXCLUDE_I2C
 #if defined(I2C_SDA1) && defined(ARCH_RP2040)
     Wire1.setSDA(I2C_SDA1);
     Wire1.setSCL(I2C_SCL1);
@@ -373,6 +379,7 @@ void setup()
 #elif HAS_WIRE
     Wire.begin();
 #endif
+#endif
 
 #ifdef PIN_LCD_RESET
     // FIXME - move this someplace better, LCD is at address 0x3F
@@ -405,6 +412,7 @@ void setup()
     powerStatus->observe(&power->newStatus);
     power->setup(); // Must be after status handler is installed, so that handler gets notified of the initial configuration
 
+#if !MESHTASTIC_EXCLUDE_I2C
     // We need to scan here to decide if we have a screen for nodeDB.init() and because power has been applied to
     // accessories
     auto i2cScanner = std::unique_ptr<ScanI2CTwoWire>(new ScanI2CTwoWire());
@@ -560,6 +568,7 @@ void setup()
     SCANNER_TO_SENSORS_MAP(ScanI2C::DeviceType::DFROBOT_LARK, meshtastic_TelemetrySensorType_DFROBOT_LARK)
 
     i2cScanner.reset();
+#endif
 
 #ifdef HAS_SDCARD
     setupSDCard();
@@ -620,6 +629,7 @@ void setup()
     screen_model = meshtastic_Config_DisplayConfig_OledType_OLED_SH1107; // keep dimension of 128x64
 #endif
 
+#if !MESHTASTIC_EXCLUDE_I2C
 #if !defined(ARCH_PORTDUINO) && !defined(ARCH_STM32WL) && !MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR
     if (acc_info.type != ScanI2C::DeviceType::NONE) {
         config.display.wake_on_tap_or_motion = true;
@@ -635,6 +645,7 @@ void setup()
         ambientLightingThread = new AmbientLightingThread(rgb_found.type);
     }
 #endif
+#endif
 
 #ifdef T_WATCH_S3
     drv.begin();
@@ -721,6 +732,7 @@ void setup()
         RECORD_CRITICALERROR(meshtastic_CriticalErrorCode_NO_AXP192); // Record a hardware fault for missing hardware
 #endif
 
+#if !MESHTASTIC_EXCLUDE_I2C
 // Don't call screen setup until after nodedb is setup (because we need
 // the current region name)
 #if defined(ST7735_CS) || defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ST7789_CS) || defined(HX8357_CS) ||            \
@@ -733,6 +745,7 @@ void setup()
 #else
     if (screen_found.port != ScanI2C::I2CPort::NO_I2C)
         screen->setup();
+#endif
 #endif
 
     screen->print("Started...\n");