initial support for elecrow thinknode m7

boards/thinknode_m7.json

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+{
+  "build": {
+    "arduino": {
+      "ldscript": "esp32s3_out.ld",
+      "memory_type": "qio_opi"
+    },
+    "core": "esp32",
+    "extra_flags": [
+      "-D BOARD_HAS_PSRAM",
+      "-D ARDUINO_USB_CDC_ON_BOOT=0",
+      "-D ARDUINO_USB_MODE=0",
+      "-D ARDUINO_RUNNING_CORE=1",
+      "-D ARDUINO_EVENT_RUNNING_CORE=0"
+    ],
+    "f_cpu": "240000000L",
+    "f_flash": "80000000L",
+    "flash_mode": "qio",
+    "psram_type": "qio_opi",
+    "hwids": [["0x303A", "0x1001"]],
+    "mcu": "esp32s3",
+    "variant": "ELECROW-ThinkNode-M7"
+  },
+  "connectivity": ["wifi", "bluetooth", "lora"],
+  "debug": {
+    "default_tool": "esp-builtin",
+    "onboard_tools": ["esp-builtin"],
+    "openocd_target": "esp32s3.cfg"
+  },
+  "frameworks": ["arduino", "espidf"],
+  "name": "ELECROW ThinkNode M7",
+  "upload": {
+    "flash_size": "8MB",
+    "maximum_ram_size": 524288,
+    "maximum_size": 8388608,
+    "use_1200bps_touch": true,
+    "wait_for_upload_port": true,
+    "require_upload_port": true,
+    "speed": 921600
+  },
+  "url": "https://www.elecrow.com",
+  "vendor": "ELECROW"
+}

variants/thinknode_m7/ThinkNodeM7Board.cpp

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+#include "ThinkNodeM7Board.h"
+
+void ThinkNodeM7Board::begin() {
+  ESP32Board::begin();
+}
+
+void ThinkNodeM7Board::enterDeepSleep(uint32_t secs, int pin_wake_btn) {
+  esp_deep_sleep_start();
+}
+
+void ThinkNodeM7Board::powerOff()  {
+  enterDeepSleep(0);
+}
+
+const char* ThinkNodeM7Board::getManufacturerName() const {
+  return "Elecrow ThinkNode M7";
+}

variants/thinknode_m7/ThinkNodeM7Board.h

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+#pragma once
+
+#include <Arduino.h>
+#include <helpers/RefCountedDigitalPin.h>
+#include <helpers/ESP32Board.h>
+#include "variant.h"
+#include "NullDisplayDriver.h"
+#include "MomentaryButton.h"
+
+class ThinkNodeM7Board : public ESP32Board {
+
+public:
+  void begin();
+  void enterDeepSleep(uint32_t secs, int pin_wake_btn = -1);
+  void powerOff() override;
+  const char* getManufacturerName() const override;
+  void onBeforeTransmit() override {
+    digitalWrite(P_LORA_TX_LED, LOW);
+  }
+  void onAfterTransmit() override {
+    digitalWrite(P_LORA_TX_LED, HIGH);
+  }
+};

variants/thinknode_m7/pins_arduino.h

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+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+
+#define USB_VID 0x303a
+#define USB_PID 0x1001
+
+// The default Wire will be mapped to PMU and RTC
+static const uint8_t SDA = 17;
+static const uint8_t SCL = 18;
+
+// Default SPI is the LR1110 radio bus
+static const uint8_t SS = 12;
+static const uint8_t MOSI = 10;
+static const uint8_t MISO = 9;
+static const uint8_t SCK = 11;
+
+#endif /* Pins_Arduino_h */

variants/thinknode_m7/platformio.ini

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+[ThinkNode_M7]
+extends = esp32_base
+board = thinknode_m7
+build_flags = ${esp32_base.build_flags}
+  -I src/helpers/esp32
+  -I variants/thinknode_m7
+  -I src/helpers/sensors
+  -I src/helpers/ui
+  -D THINKNODE_M7
+  -D PIN_USER_BTN_ANA=4
+  -D PIN_STATUS_LED=3 ; green
+  -D LED_STATE_ON=LOW
+  -D RADIO_CLASS=CustomLR1110
+  -D WRAPPER_CLASS=CustomLR1110Wrapper
+  -D USE_LR1110
+  -D LORA_TX_POWER=22
+  -D RF_SWITCH_TABLE
+  -D RX_BOOSTED_GAIN=true
+  -D P_LORA_BUSY=13
+  -D P_LORA_SCLK=11
+  -D P_LORA_NSS=12
+  -D P_LORA_DIO_1=38
+  -D P_LORA_MISO=9
+  -D P_LORA_MOSI=10
+  -D P_LORA_RESET=39
+  -D P_LORA_TX_LED=46 ; blue
+  -D LR11X0_DIO_AS_RF_SWITCH=true
+  -D LR11X0_DIO3_TCXO_VOLTAGE=1.8
+build_src_filter = ${esp32_base.build_src_filter}
+  +<helpers/*.cpp>
+  +<helpers/sensors/EnvironmentSensorManager.cpp>
+  +<helpers/ui/MomentaryButton.cpp>
+  +<../variants/thinknode_m7>
+lib_deps = ${esp32_base.lib_deps}
+  stevemarple/MicroNMEA @ ^2.0.6
+
+[env:ThinkNode_M7_repeater]
+extends = ThinkNode_M7
+build_src_filter = ${ThinkNode_M7.build_src_filter}
+  +<../examples/simple_repeater/*.cpp>
+build_flags =
+  ${ThinkNode_M7.build_flags}
+  -D ADVERT_NAME='"ThinkNode M7 Repeater"'
+  -D ADVERT_LAT=0.0
+  -D ADVERT_LON=0.0
+  -D ADMIN_PASSWORD='"password"'
+  -D MAX_NEIGHBOURS=8
+;  -D MESH_PACKET_LOGGING=1
+;  -D MESH_DEBUG=1
+lib_deps =
+  ${ThinkNode_M7.lib_deps}
+  ${esp32_ota.lib_deps}
+
+[env:ThinkNode_M7_room_server]
+extends = ThinkNode_M7
+build_src_filter = ${ThinkNode_M7.build_src_filter}
+  +<../examples/simple_room_server>
+build_flags =
+  ${ThinkNode_M7.build_flags}
+  -D ADVERT_NAME='"ThinkNode M7 Room Server"'
+  -D ADVERT_LAT=0.0
+  -D ADVERT_LON=0.0
+  -D ADMIN_PASSWORD='"password"'
+  -D ROOM_PASSWORD='"hello"'
+;  -D MESH_PACKET_LOGGING=1
+;  -D MESH_DEBUG=1
+lib_deps =
+  ${ThinkNode_M7.lib_deps}
+  ${esp32_ota.lib_deps}
+
+[env:ThinkNode_M7_companion_radio_ble]
+extends = ThinkNode_M7
+build_flags =
+  ${ThinkNode_M7.build_flags}
+  -I examples/companion_radio/ui-orig
+  -D DISPLAY_CLASS=NullDisplayDriver
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
+  -D BLE_PIN_CODE=123456
+  -D OFFLINE_QUEUE_SIZE=256
+  ; -D BLE_DEBUG_LOGGING=1
+  ; -D MESH_PACKET_LOGGING=1
+build_src_filter = ${ThinkNode_M7.build_src_filter}
+  +<helpers/esp32/*.cpp>
+  +<helpers/ui/MomentaryButton.cpp>
+  +<../examples/companion_radio/*.cpp>
+  +<../examples/companion_radio/ui-orig/*.cpp>
+lib_deps =
+  ${ThinkNode_M7.lib_deps}
+  densaugeo/base64 @ ~1.4.0
+
+[env:ThinkNode_M7_companion_radio_usb]
+extends = ThinkNode_M7
+build_flags =
+  ${ThinkNode_M7.build_flags}
+  -I examples/companion_radio/ui-orig
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
+  -D OFFLINE_QUEUE_SIZE=256
+build_src_filter = ${ThinkNode_M7.build_src_filter}
+  +<helpers/esp32/*.cpp>
+  +<helpers/ui/MomentaryButton.cpp>
+  +<../examples/companion_radio/*.cpp>
+  +<../examples/companion_radio/ui-orig/*.cpp>
+lib_deps =
+  ${ThinkNode_M7.lib_deps}
+  densaugeo/base64 @ ~1.4.0
+
+[env:ThinkNode_M7_companion_radio_wifi]
+extends = ThinkNode_M7
+build_flags =
+  ${ThinkNode_M7.build_flags}
+  -I examples/companion_radio/ui-orig
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
+  -D DISPLAY_CLASS=NullDisplayDriver
+  -D WIFI_DEBUG_LOGGING=1
+  -D WIFI_SSID='"myssid"'
+  -D WIFI_PWD='"mypwd"'
+  -D OFFLINE_QUEUE_SIZE=256
+  -D MESH_PACKET_LOGGING=1
+build_src_filter = ${ThinkNode_M7.build_src_filter}
+  +<helpers/esp32/*.cpp>
+  +<helpers/ui/MomentaryButton.cpp>
+  +<../examples/companion_radio/*.cpp>
+  +<../examples/companion_radio/ui-orig/*.cpp>
+lib_deps =
+  ${ThinkNode_M7.lib_deps}
+  densaugeo/base64 @ ~1.4.0
+
+[env:ThinkNode_M7_kiss_modem]
+extends = ThinkNode_M7
+build_src_filter = ${ThinkNode_M7.build_src_filter}
+  +<../examples/kiss_modem/>

variants/thinknode_m7/target.cpp

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+#include <Arduino.h>
+#include "target.h"
+#include <helpers/sensors/MicroNMEALocationProvider.h>
+
+ThinkNodeM7Board board;
+
+static SPIClass spi;
+RADIO_CLASS radio = new Module(P_LORA_NSS, P_LORA_DIO_1, P_LORA_RESET, P_LORA_BUSY, spi);
+WRAPPER_CLASS radio_driver(radio, board);
+
+ESP32RTCClock fallback_clock;
+AutoDiscoverRTCClock rtc_clock(fallback_clock);
+
+#ifdef ENV_INCLUDE_GPS
+MicroNMEALocationProvider nmea = MicroNMEALocationProvider(Serial1, &rtc_clock);
+EnvironmentSensorManager sensors = EnvironmentSensorManager(nmea);
+#else
+EnvironmentSensorManager sensors = EnvironmentSensorManager();
+#endif
+
+#ifdef DISPLAY_CLASS
+  DISPLAY_CLASS display;
+#endif
+
+#ifdef RF_SWITCH_TABLE
+static const uint32_t rfswitch_dios[Module::RFSWITCH_MAX_PINS] = {
+  RADIOLIB_LR11X0_DIO5,
+  RADIOLIB_LR11X0_DIO6,
+  RADIOLIB_NC,
+  RADIOLIB_NC, 
+  RADIOLIB_NC
+};
+
+static const Module::RfSwitchMode_t rfswitch_table[] = {
+  // mode                  DIO5  DIO6
+  {LR11x0::MODE_STBY, {LOW, LOW}}, {LR11x0::MODE_RX, {HIGH, LOW}},
+  {LR11x0::MODE_TX, {HIGH, HIGH}}, {LR11x0::MODE_TX_HP, {LOW, HIGH}},
+  {LR11x0::MODE_TX_HF, {LOW, LOW}}, {LR11x0::MODE_GNSS, {LOW, LOW}},
+  {LR11x0::MODE_WIFI, {LOW, LOW}}, END_OF_MODE_TABLE,
+  END_OF_MODE_TABLE,
+};
+#endif
+
+#ifndef LORA_CR
+  #define LORA_CR      5
+#endif
+
+bool radio_init() {
+  rtc_clock.begin(Wire);
+  
+#ifdef LR11X0_DIO3_TCXO_VOLTAGE
+  float tcxo = LR11X0_DIO3_TCXO_VOLTAGE;
+#else
+  float tcxo = 1.6f;
+#endif
+
+  spi.begin(P_LORA_SCLK, P_LORA_MISO, P_LORA_MOSI, P_LORA_NSS);
+  
+  int status = radio.begin(LORA_FREQ, LORA_BW, LORA_SF, LORA_CR, RADIOLIB_LR11X0_LORA_SYNC_WORD_PRIVATE, LORA_TX_POWER, 16, tcxo);
+  if (status != RADIOLIB_ERR_NONE) {
+    Serial.print("ERROR: radio init failed: ");
+    Serial.println(status);
+    return false;  // fail
+  }
+  
+  radio.setCRC(2);
+  radio.explicitHeader();
+
+#ifdef RF_SWITCH_TABLE
+  radio.setRfSwitchTable(rfswitch_dios, rfswitch_table);
+#endif
+#ifdef RX_BOOSTED_GAIN
+  radio.setRxBoostedGainMode(RX_BOOSTED_GAIN);
+#endif
+
+  return true;  // success
+}
+
+mesh::LocalIdentity radio_new_identity() {
+  RadioNoiseListener rng(radio);
+  return mesh::LocalIdentity(&rng);  // create new random identity
+}
+
+

variants/thinknode_m7/target.h

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+#pragma once
+
+#define RADIOLIB_STATIC_ONLY 1
+#include <RadioLib.h>
+#include <helpers/radiolib/RadioLibWrappers.h>
+#include <ThinkNodeM7Board.h>
+#include <helpers/radiolib/CustomLR1110Wrapper.h>
+#include <helpers/AutoDiscoverRTCClock.h>
+#include <helpers/SensorManager.h>
+#include <helpers/sensors/EnvironmentSensorManager.h>
+#include <helpers/sensors/LocationProvider.h>
+#ifdef DISPLAY_CLASS
+  #include "NullDisplayDriver.h"
+#endif
+
+extern ThinkNodeM7Board board;
+extern WRAPPER_CLASS radio_driver;
+extern AutoDiscoverRTCClock rtc_clock;
+extern EnvironmentSensorManager sensors;
+
+#ifdef DISPLAY_CLASS
+  extern NullDisplayDriver display;
+#endif
+
+bool radio_init();
+mesh::LocalIdentity radio_new_identity();
+
+
+ 

variants/thinknode_m7/variant.cpp

@@ -0,0 +1,8 @@
+#include "variant.h"
+#include "Arduino.h"
+
+void initVariant()
+{
+    pinMode(P_LORA_TX_LED, OUTPUT);
+    digitalWrite(P_LORA_TX_LED, HIGH);
+}

variants/thinknode_m7/variant.h

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+