Add support for RAK3112 variant with necessary configurations and definitions

boards/wiscore_rak3112.json

@@ -0,0 +1,41 @@
+{
+  "build": {
+    "arduino": {
+      "ldscript": "esp32s3_out.ld",
+      "memory_type": "qio_opi",
+      "partitions": "default_16MB.csv"
+    },
+    "core": "esp32",
+    "extra_flags": [
+      "-DRAK3112",
+      "-DARDUINO_USB_CDC_ON_BOOT=1",
+      "-DARDUINO_USB_MODE=0",
+      "-DARDUINO_RUNNING_CORE=1",
+      "-DARDUINO_EVENT_RUNNING_CORE=1",
+      "-DBOARD_HAS_PSRAM"
+    ],
+    "f_cpu": "240000000L",
+    "f_flash": "80000000L",
+    "flash_mode": "dio",
+    "hwids": [["0x303A", "0x1001"]],
+    "mcu": "esp32s3",
+    "variant": "rak3112"
+  },
+  "connectivity": ["wifi", "bluetooth"],
+  "debug": {
+    "openocd_target": "esp32s3.cfg"
+  },
+  "frameworks": ["arduino", "espidf"],
+  "name": "rak3172",
+  "upload": {
+    "flash_size": "16MB",
+    "maximum_ram_size": 327680,
+    "maximum_size": 16777216,
+    "use_1200bps_touch": true,
+    "wait_for_upload_port": true,
+    "require_upload_port": true,
+    "speed": 921600
+  },
+  "url": "https://www.rakwireless.com/en-us",
+  "vendor": "rakwireless"
+}

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

@@ -247,6 +247,8 @@ typedef enum _meshtastic_HardwareModel {
     meshtastic_HardwareModel_NOMADSTAR_METEOR_PRO = 96,
     /* Elecrow CrowPanel Advance models, ESP32-S3 and TFT with SX1262 radio plugin */
     meshtastic_HardwareModel_CROWPANEL = 97,
+    /* RAK3112 ESP32-S3*/ 
+    meshtastic_HardwareModel_RAK3112 = 98,
     /* ------------------------------------------------------------------------------------------------------------------------------------------
  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/platform/esp32/architecture.h

@@ -184,6 +184,8 @@
 #define HW_VENDOR meshtastic_HardwareModel_HELTEC_SENSOR_HUB
 #elif defined(ELECROW_PANEL)
 #define HW_VENDOR meshtastic_HardwareModel_CROWPANEL
+#elif defined(RAK3112)
+#define HW_VENDOR meshtastic_HardwareModel_RAK3112
 #endif
 
 // -----------------------------------------------------------------------------

variants/rak3112/pins_arduino.h

@@ -0,0 +1,25 @@
+#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 = 9;
+static const uint8_t SCL = 40;
+
+// Default SPI will be mapped to Radio
+static const uint8_t SS = 12;
+static const uint8_t MOSI = 11;
+static const uint8_t MISO = 10;
+static const uint8_t SCK = 13;
+
+#define SPI_MOSI (11)
+#define SPI_SCK (13)
+#define SPI_MISO (10)
+#define SPI_CS (12)
+
+
+#endif /* Pins_Arduino_h */

variants/rak3112/platformio.ini

@@ -0,0 +1,8 @@
+[env:rak3112]
+extends = esp32s3_base
+board = wiscore_rak3112
+board_check = true
+upload_protocol = esptool
+
+build_flags = 
+  ${esp32_base.build_flags} -D RAK3112 -I variants/rak3112

variants/rak3112/rfswitch.h

@@ -0,0 +1,11 @@
+#include "RadioLib.h"
+
+static const uint32_t rfswitch_dio_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, {LOW, 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,
+};

variants/rak3112/variant.cpp

@@ -0,0 +1,42 @@
+/*
+  Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
+  Copyright (c) 2018, Adafruit Industries (adafruit.com)
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the GNU Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include "variant.h"
+// #include "nrf.h"
+// #include "wiring_constants.h"
+// #include "wiring_digital.h"
+
+
+
+void initVariant()
+{
+    // LED1 & LED2
+    pinMode(PIN_LED1, OUTPUT);
+    digitalWrite(PIN_LED1, HIGH);
+    //ledOff(PIN_LED1);
+
+    pinMode(PIN_LED2, OUTPUT);
+    digitalWrite(PIN_LED2, HIGH);
+    //ledOff(PIN_LED2);
+
+    // 3V3 Power Rail
+    pinMode(PIN_3V3_EN, OUTPUT);
+    digitalWrite(PIN_3V3_EN, HIGH);
+}

variants/rak3112/variant.h

@@ -0,0 +1,43 @@
+
+
+#define I2C_SDA 9 // I2C pins for this board
+#define I2C_SCL 40
+
+
+#define USE_SX1262
+
+
+#define LORA_SCK 5
+#define LORA_MISO 3
+#define LORA_MOSI 6
+#define LORA_CS 7
+#define LORA_RESET 8
+
+
+// per SX1262_Receive_Interrupt/utilities.h
+#ifdef USE_SX1262
+#define SX126X_CS LORA_CS
+#define SX126X_DIO1 47
+#define SX126X_BUSY 48
+#define SX126X_RESET LORA_RESET
+#define SX126X_DIO2_AS_RF_SWITCH
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8
+#endif
+
+#define SX126X_POWER_EN (4)
+#define PIN_3V3_EN (2)
+
+// LEDs
+#define PIN_LED1 (46)
+#define PIN_LED2 (45)
+
+#define LED_BUILTIN PIN_LED1
+#define LED_CONN PIN_LED2
+
+#define LED_GREEN PIN_LED1
+#define LED_BLUE PIN_LED2
+
+// #define ledOff(pin) pinMode(pin, INPUT)
+#define ledOff(pin) digitalWrite(pin, LOW) // Turn off the LED by setting it LOW;
+
+// #define LED_STATE_ON 1 // State when LED is litted