First stab at ESP32-C6 support for TLora-C6

arch/esp32/esp32c6.ini

@@ -0,0 +1,40 @@
+[esp32c6_base]
+extends = esp32_base
+platform = https://github.com/Jason2866/platform-espressif32.git#22faa566df8c789000f8136cd8d0aca49617af55
+build_flags =
+  ${arduino_base.build_flags}
+  -Wall
+  -Wextra
+  -Isrc/platform/esp32
+  -std=c++11
+  -DESP_OPENSSL_SUPPRESS_LEGACY_WARNING
+  -DSERIAL_BUFFER_SIZE=4096
+  -DLIBPAX_ARDUINO
+  -DLIBPAX_WIFI
+  -DLIBPAX_BLE
+  -DMESHTASTIC_EXCLUDE_WEBSERVER
+  ;-DDEBUG_HEAP
+  ; TEMP
+  -DHAS_BLUETOOTH=0
+  -DMESHTASTIC_EXCLUDE_PAXCOUNTER
+  -DMESHTASTIC_EXCLUDE_BLUETOOTH
+
+lib_deps =
+  ${arduino_base.lib_deps}
+  ${networking_base.lib_deps}
+  ${environmental_base.lib_deps}
+  https://github.com/lewisxhe/XPowersLib.git#84b7373faea3118b6c37954d52f98b8a337148d6
+  https://github.com/meshtastic/ESP32_Codec2.git#633326c78ac251c059ab3a8c430fcdf25b41672f
+  rweather/Crypto@^0.4.0
+
+build_src_filter = 
+ ${esp32_base.build_src_filter} -<mesh/http> 
+
+monitor_speed = 460800
+monitor_filters = esp32_c3_exception_decoder
+
+lib_ignore =
+  NonBlockingRTTTL
+  NimBLE-Arduino
+  libpax
+

platformio.ini

@@ -157,13 +157,11 @@ lib_deps =
   emotibit/EmotiBit MLX90632@^1.0.8
   dfrobot/DFRobot_RTU@^1.0.3
 
-
   https://github.com/boschsensortec/Bosch-BSEC2-Library#v1.7.2502
   boschsensortec/BME68x Sensor Library@^1.1.40407
   https://github.com/KodinLanewave/INA3221@^1.0.0
   lewisxhe/[email protected]
   mprograms/QMC5883LCompass@^1.2.0
 
-
   https://github.com/meshtastic/DFRobot_LarkWeatherStation#dee914270dc7cb3e43fbf034edd85a63a16a12ee
   https://github.com/gjelsoe/STK8xxx-Accelerometer.git#v0.1.1

src/SerialConsole.cpp

@@ -46,7 +46,8 @@ SerialConsole::SerialConsole() : StreamAPI(&Port), RedirectablePrint(&Port), con
     Port.setRX(SERIAL2_RX);
 #endif
     Port.begin(SERIAL_BAUD);
-#if defined(ARCH_NRF52) || defined(CONFIG_IDF_TARGET_ESP32S2) || defined(CONFIG_IDF_TARGET_ESP32S3) || defined(ARCH_RP2040)
+#if defined(ARCH_NRF52) || defined(CONFIG_IDF_TARGET_ESP32S2) || defined(CONFIG_IDF_TARGET_ESP32S3) || defined(ARCH_RP2040) ||   \
+    defined(CONFIG_IDF_TARGET_ESP32C3) || defined(CONFIG_IDF_TARGET_ESP32C6)
     time_t timeout = millis();
     while (!Port) {
         if (Throttle::isWithinTimespanMs(timeout, FIVE_SECONDS_MS)) {

src/configuration.h

@@ -69,6 +69,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #ifndef RTC_DATA_ATTR
 #define RTC_DATA_ATTR
 #endif
+#ifndef EXT_RAM_BSS_ATTR
+#define EXT_RAM_BSS_ATTR EXT_RAM_ATTR
+#endif
 
 // -----------------------------------------------------------------------------
 // Regulatory overrides

src/gps/GPS.cpp

@@ -62,7 +62,8 @@ const char *getGPSPowerStateString(GPSPowerState state)
     case GPS_OFF:
         return "OFF";
     default:
-        assert(false); // Unhandled enum value..
+        assert(false);  // Unhandled enum value..
+        return "FALSE"; // to make new ESP-IDF happy
     }
 }
 
@@ -332,7 +333,7 @@ int GPS::getACK(uint8_t *buffer, uint16_t size, uint8_t requestedClass, uint8_t
 {
     uint16_t ubxFrameCounter = 0;
     uint32_t startTime = millis();
-    uint16_t needRead;
+    uint16_t needRead = 0;
 
     while (Throttle::isWithinTimespanMs(startTime, waitMillis)) {
         if (_serial_gps->available()) {

src/graphics/Screen.cpp

@@ -1008,55 +1008,55 @@ static void drawTextMessageFrame(OLEDDisplay *display, OLEDDisplayUiState *state
 
     display->setColor(WHITE);
 #ifndef EXCLUDE_EMOJI
-    if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), u8"\U0001F44D") == 0) {
+    if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), "\U0001F44D") == 0) {
         display->drawXbm(x + (SCREEN_WIDTH - thumbs_width) / 2,
                          y + (SCREEN_HEIGHT - FONT_HEIGHT_MEDIUM - thumbs_height) / 2 + 2 + 5, thumbs_width, thumbs_height,
                          thumbup);
-    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), u8"\U0001F44E") == 0) {
+    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), "\U0001F44E") == 0) {
         display->drawXbm(x + (SCREEN_WIDTH - thumbs_width) / 2,
                          y + (SCREEN_HEIGHT - FONT_HEIGHT_MEDIUM - thumbs_height) / 2 + 2 + 5, thumbs_width, thumbs_height,
                          thumbdown);
-    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), u8"❓") == 0) {
+    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), "❓") == 0) {
         display->drawXbm(x + (SCREEN_WIDTH - question_width) / 2,
                          y + (SCREEN_HEIGHT - FONT_HEIGHT_MEDIUM - question_height) / 2 + 2 + 5, question_width, question_height,
                          question);
-    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), u8"‼️") == 0) {
+    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), "‼️") == 0) {
         display->drawXbm(x + (SCREEN_WIDTH - bang_width) / 2, y + (SCREEN_HEIGHT - FONT_HEIGHT_MEDIUM - bang_height) / 2 + 2 + 5,
                          bang_width, bang_height, bang);
-    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), u8"\U0001F4A9") == 0) {
+    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), "\U0001F4A9") == 0) {
         display->drawXbm(x + (SCREEN_WIDTH - poo_width) / 2, y + (SCREEN_HEIGHT - FONT_HEIGHT_MEDIUM - poo_height) / 2 + 2 + 5,
                          poo_width, poo_height, poo);
     } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), "\xf0\x9f\xa4\xa3") == 0) {
         display->drawXbm(x + (SCREEN_WIDTH - haha_width) / 2, y + (SCREEN_HEIGHT - FONT_HEIGHT_MEDIUM - haha_height) / 2 + 2 + 5,
                          haha_width, haha_height, haha);
-    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), u8"\U0001F44B") == 0) {
+    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), "\U0001F44B") == 0) {
         display->drawXbm(x + (SCREEN_WIDTH - wave_icon_width) / 2,
                          y + (SCREEN_HEIGHT - FONT_HEIGHT_MEDIUM - wave_icon_height) / 2 + 2 + 5, wave_icon_width,
                          wave_icon_height, wave_icon);
-    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), u8"\U0001F920") == 0) {
+    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), "\U0001F920") == 0) {
         display->drawXbm(x + (SCREEN_WIDTH - cowboy_width) / 2,
                          y + (SCREEN_HEIGHT - FONT_HEIGHT_MEDIUM - cowboy_height) / 2 + 2 + 5, cowboy_width, cowboy_height,
                          cowboy);
-    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), u8"\U0001F42D") == 0) {
+    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), "\U0001F42D") == 0) {
         display->drawXbm(x + (SCREEN_WIDTH - deadmau5_width) / 2,
                          y + (SCREEN_HEIGHT - FONT_HEIGHT_MEDIUM - deadmau5_height) / 2 + 2 + 5, deadmau5_width, deadmau5_height,
                          deadmau5);
-    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), u8"\xE2\x98\x80\xEF\xB8\x8F") == 0) {
+    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), "\xE2\x98\x80\xEF\xB8\x8F") == 0) {
         display->drawXbm(x + (SCREEN_WIDTH - sun_width) / 2, y + (SCREEN_HEIGHT - FONT_HEIGHT_MEDIUM - sun_height) / 2 + 2 + 5,
                          sun_width, sun_height, sun);
-    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), u8"\u2614") == 0) {
+    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), "\u2614") == 0) {
         display->drawXbm(x + (SCREEN_WIDTH - rain_width) / 2, y + (SCREEN_HEIGHT - FONT_HEIGHT_MEDIUM - rain_height) / 2 + 2 + 10,
                          rain_width, rain_height, rain);
-    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), u8"☁️") == 0) {
+    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), "☁️") == 0) {
         display->drawXbm(x + (SCREEN_WIDTH - cloud_width) / 2,
                          y + (SCREEN_HEIGHT - FONT_HEIGHT_MEDIUM - cloud_height) / 2 + 2 + 5, cloud_width, cloud_height, cloud);
-    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), u8"🌫️") == 0) {
+    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), "🌫️") == 0) {
         display->drawXbm(x + (SCREEN_WIDTH - fog_width) / 2, y + (SCREEN_HEIGHT - FONT_HEIGHT_MEDIUM - fog_height) / 2 + 2 + 5,
                          fog_width, fog_height, fog);
-    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), u8"\xf0\x9f\x98\x88") == 0) {
+    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), "\xf0\x9f\x98\x88") == 0) {
         display->drawXbm(x + (SCREEN_WIDTH - devil_width) / 2,
                          y + (SCREEN_HEIGHT - FONT_HEIGHT_MEDIUM - devil_height) / 2 + 2 + 5, devil_width, devil_height, devil);
-    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), u8"♥️") == 0) {
+    } else if (strcmp(reinterpret_cast<const char *>(mp.decoded.payload.bytes), "♥️") == 0) {
         display->drawXbm(x + (SCREEN_WIDTH - heart_width) / 2,
                          y + (SCREEN_HEIGHT - FONT_HEIGHT_MEDIUM - heart_height) / 2 + 2 + 5, heart_width, heart_height, heart);
     } else {

src/main.cpp

@@ -322,15 +322,19 @@ void setup()
 #ifdef BUTTON_PIN
 #ifdef ARCH_ESP32
 
-    // If the button is connected to GPIO 12, don't enable the ability to use
-    // meshtasticAdmin on the device.
-    pinMode(config.device.button_gpio ? config.device.button_gpio : BUTTON_PIN, INPUT);
-
+#if ESP_ARDUINO_VERSION_MAJOR >= 3
+#ifdef BUTTON_NEED_PULLUP
+    pinMode(config.device.button_gpio ? config.device.button_gpio : BUTTON_PIN, INPUT_PULLUP);
+#else
+    pinMode(config.device.button_gpio ? config.device.button_gpio : BUTTON_PIN, INPUT); // default to BUTTON_PIN
+#endif
+#else
+    pinMode(config.device.button_gpio ? config.device.button_gpio : BUTTON_PIN, INPUT); // default to BUTTON_PIN
 #ifdef BUTTON_NEED_PULLUP
     gpio_pullup_en((gpio_num_t)(config.device.button_gpio ? config.device.button_gpio : BUTTON_PIN));
     delay(10);
 #endif
-
+#endif
 #endif
 #endif
 

src/mesh/NodeDB.cpp

@@ -50,7 +50,7 @@
 NodeDB *nodeDB = nullptr;
 
 // we have plenty of ram so statically alloc this tempbuf (for now)
-EXT_RAM_ATTR meshtastic_DeviceState devicestate;
+EXT_RAM_BSS_ATTR meshtastic_DeviceState devicestate;
 meshtastic_MyNodeInfo &myNodeInfo = devicestate.my_node;
 meshtastic_LocalConfig config;
 meshtastic_LocalModuleConfig moduleConfig;

src/mesh/TypedQueue.h

@@ -14,7 +14,7 @@
  */
 template <class T> class TypedQueue
 {
-    static_assert(std::is_pod<T>::value, "T must be pod");
+    static_assert(std::is_standard_layout<T>::value, "T must be standard layout");
     QueueHandle_t h;
     concurrency::OSThread *reader = NULL;
 

src/mesh/api/ServerAPI.cpp

@@ -45,7 +45,15 @@ template <class T, class U> void APIServerPort<T, U>::init()
 
 template <class T, class U> int32_t APIServerPort<T, U>::runOnce()
 {
+#ifdef ARCH_ESP32
+#if ESP_ARDUINO_VERSION >= ESP_ARDUINO_VERSION_VAL(3, 0, 0)
+    auto client = U::accept();
+#else
     auto client = U::available();
+#endif
+#else
+    auto client = U::available();
+#endif
     if (client) {
         // Close any previous connection (see FIXME in header file)
         if (openAPI) {

src/mesh/wifi/WiFiAPClient.cpp

@@ -310,7 +310,12 @@ static void WiFiEvent(WiFiEvent_t event)
         onNetworkConnected();
         break;
     case ARDUINO_EVENT_WIFI_STA_GOT_IP6:
+#if ESP_ARDUINO_VERSION >= ESP_ARDUINO_VERSION_VAL(3, 0, 0)
+        LOG_INFO("Obtained Local IP6 address: %s\n", WiFi.linkLocalIPv6().toString().c_str());
+        LOG_INFO("Obtained GlobalIP6 address: %s\n", WiFi.globalIPv6().toString().c_str());
+#else
         LOG_INFO("Obtained IP6 address: %s\n", WiFi.localIPv6().toString().c_str());
+#endif
         break;
     case ARDUINO_EVENT_WIFI_STA_LOST_IP:
         LOG_INFO("Lost IP address and IP address is reset to 0\n");

src/modules/ExternalNotificationModule.h

@@ -3,7 +3,7 @@
 #include "SinglePortModule.h"
 #include "concurrency/OSThread.h"
 #include "configuration.h"
-#if !defined(ARCH_PORTDUINO) && !defined(ARCH_STM32WL)
+#if !defined(ARCH_PORTDUINO) && !defined(ARCH_STM32WL) && !defined(CONFIG_IDF_TARGET_ESP32C6)
 #include <NonBlockingRtttl.h>
 #else
 // Noop class for portduino.

src/modules/PositionModule.cpp

@@ -274,7 +274,7 @@ meshtastic_MeshPacket *PositionModule::allocAtakPli()
 
     meshtastic_TAKPacket takPacket = {.is_compressed = true,
                                       .has_contact = true,
-                                      .contact = {0},
+                                      .contact = meshtastic_Contact_init_default,
                                       .has_group = true,
                                       .group = {meshtastic_MemberRole_TeamMember, meshtastic_Team_Cyan},
                                       .has_status = true,
@@ -283,13 +283,13 @@ meshtastic_MeshPacket *PositionModule::allocAtakPli()
                                               .battery = powerStatus->getBatteryChargePercent(),
                                           },
                                       .which_payload_variant = meshtastic_TAKPacket_pli_tag,
-                                      {.pli = {
-                                           .latitude_i = localPosition.latitude_i,
-                                           .longitude_i = localPosition.longitude_i,
-                                           .altitude = localPosition.altitude_hae,
-                                           .speed = localPosition.ground_speed,
-                                           .course = static_cast<uint16_t>(localPosition.ground_track),
-                                       }}};
+                                      .payload_variant = {.pli = {
+                                                              .latitude_i = localPosition.latitude_i,
+                                                              .longitude_i = localPosition.longitude_i,
+                                                              .altitude = localPosition.altitude_hae,
+                                                              .speed = localPosition.ground_speed,
+                                                              .course = static_cast<uint16_t>(localPosition.ground_track),
+                                                          }}};
 
     auto length = unishox2_compress_lines(owner.long_name, strlen(owner.long_name), takPacket.contact.device_callsign,
                                           sizeof(takPacket.contact.device_callsign) - 1, USX_PSET_DFLT, NULL);

src/modules/SerialModule.cpp

@@ -63,6 +63,9 @@ SerialModuleRadio *serialModuleRadio;
 #if defined(TTGO_T_ECHO) || defined(CANARYONE)
 SerialModule::SerialModule() : StreamAPI(&Serial), concurrency::OSThread("SerialModule") {}
 static Print *serialPrint = &Serial;
+#elif defined(CONFIG_IDF_TARGET_ESP32C6)
+SerialModule::SerialModule() : StreamAPI(&Serial1), concurrency::OSThread("SerialModule") {}
+static Print *serialPrint = &Serial1;
 #else
 SerialModule::SerialModule() : StreamAPI(&Serial2), concurrency::OSThread("SerialModule") {}
 static Print *serialPrint = &Serial2;
@@ -137,7 +140,16 @@ int32_t SerialModule::runOnce()
                 // Give it a chance to flush out 💩
                 delay(10);
             }
-#ifdef ARCH_ESP32
+#if defined(CONFIG_IDF_TARGET_ESP32C6)
+            if (moduleConfig.serial.rxd && moduleConfig.serial.txd) {
+                Serial1.setRxBufferSize(RX_BUFFER);
+                Serial1.begin(baud, SERIAL_8N1, moduleConfig.serial.rxd, moduleConfig.serial.txd);
+            } else {
+                Serial.begin(baud);
+                Serial.setTimeout(moduleConfig.serial.timeout > 0 ? moduleConfig.serial.timeout : TIMEOUT);
+            }
+
+#elif defined(ARCH_ESP32)
 
             if (moduleConfig.serial.rxd && moduleConfig.serial.txd) {
                 Serial2.setRxBufferSize(RX_BUFFER);
@@ -205,8 +217,13 @@ int32_t SerialModule::runOnce()
                 processWXSerial();
 
             } else {
+#if defined(CONFIG_IDF_TARGET_ESP32C6)
+                while (Serial1.available()) {
+                    serialPayloadSize = Serial1.readBytes(serialBytes, meshtastic_Constants_DATA_PAYLOAD_LEN);
+#else
                 while (Serial2.available()) {
                     serialPayloadSize = Serial2.readBytes(serialBytes, meshtastic_Constants_DATA_PAYLOAD_LEN);
+#endif
                     serialModuleRadio->sendPayload();
                 }
             }
@@ -392,7 +409,7 @@ uint32_t SerialModule::getBaudRate()
  */
 void SerialModule::processWXSerial()
 {
-#if !defined(TTGO_T_ECHO) && !defined(CANARYONE)
+#if !defined(TTGO_T_ECHO) && !defined(CANARYONE) && !defined(CONFIG_IDF_TARGET_ESP32C6)
     static unsigned int lastAveraged = 0;
     static unsigned int averageIntervalMillis = 300000; // 5 minutes hard coded.
     static double dir_sum_sin = 0;

src/mqtt/MQTT.cpp

@@ -329,6 +329,7 @@ void MQTT::reconnect()
             mqttPassword = moduleConfig.mqtt.password;
         }
 #if HAS_WIFI && !defined(ARCH_PORTDUINO)
+#if !defined(CONFIG_IDF_TARGET_ESP32C6) && !defined(RPI_PICO)
         if (moduleConfig.mqtt.tls_enabled) {
             // change default for encrypted to 8883
             try {
@@ -344,6 +345,9 @@ void MQTT::reconnect()
             LOG_INFO("Using non-TLS-encrypted session\n");
             pubSub.setClient(mqttClient);
         }
+#else
+        pubSub.setClient(mqttClient);
+#endif
 #elif HAS_NETWORKING
         pubSub.setClient(mqttClient);
 #endif

src/mqtt/MQTT.h

@@ -9,9 +9,11 @@
 #if HAS_WIFI
 #include <WiFiClient.h>
 #if !defined(ARCH_PORTDUINO)
+#if defined(ESP_ARDUINO_VERSION_MAJOR) && ESP_ARDUINO_VERSION_MAJOR < 3
 #include <WiFiClientSecure.h>
 #endif
 #endif
+#endif
 #if HAS_ETHERNET
 #include <EthernetClient.h>
 #endif
@@ -33,9 +35,11 @@ class MQTT : private concurrency::OSThread
 #if HAS_WIFI
     WiFiClient mqttClient;
 #if !defined(ARCH_PORTDUINO)
+#if defined(ESP_ARDUINO_VERSION_MAJOR) && ESP_ARDUINO_VERSION_MAJOR < 3
     WiFiClientSecure wifiSecureClient;
 #endif
 #endif
+#endif
 #if HAS_ETHERNET
     EthernetClient mqttClient;
 #endif

src/platform/esp32/architecture.h

@@ -90,6 +90,8 @@
 #define HW_VENDOR meshtastic_HardwareModel_TLORA_V2_1_1P6
 #elif defined(TLORA_V2_1_18)
 #define HW_VENDOR meshtastic_HardwareModel_TLORA_V2_1_1P8
+#elif defined(TLORA_C6)
+#define HW_VENDOR meshtastic_HardwareModel_TLORA_C6
 #elif defined(T_DECK)
 #define HW_VENDOR meshtastic_HardwareModel_T_DECK
 #elif defined(T_WATCH_S3)