ESP32: Initial sort variants by platform (#7340)

variants/esp32/betafpv_2400_tx_micro/platformio.ini

@@ -0,0 +1,18 @@
+[env:betafpv_2400_tx_micro]
+extends = esp32_base
+board = esp32doit-devkit-v1
+board_level = extra
+build_flags =
+  ${esp32_base.build_flags}
+  -D BETAFPV_2400_TX
+  -D VTABLES_IN_FLASH=1
+  -D CONFIG_DISABLE_HAL_LOCKS=1
+  -O2
+  -I variants/esp32/betafpv_2400_tx_micro
+board_build.f_cpu = 240000000L
+upload_protocol = esptool
+;upload_port = /dev/ttyUSB0
+upload_speed = 460800
+lib_deps =
+  ${esp32_base.lib_deps}
+  adafruit/Adafruit NeoPixel @ ^1.12.0

variants/esp32/betafpv_2400_tx_micro/variant.h

@@ -0,0 +1,37 @@
+// https://betafpv.com/products/elrs-micro-tx-module
+
+// 0.96" OLED
+#define I2C_SDA 22
+#define I2C_SCL 32
+
+// NO GPS
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+
+#define LORA_SCK 18
+#define LORA_MISO 19
+#define LORA_MOSI 23
+#define LORA_CS 5
+#define RF95_FAN_EN 17
+
+// #define LED_PIN 16 // This is a LED_WS2812 not a standard LED
+#define HAS_NEOPIXEL                         // Enable the use of neopixels
+#define NEOPIXEL_COUNT 1                     // How many neopixels are connected
+#define NEOPIXEL_DATA 16                     // gpio pin used to send data to the neopixels
+#define NEOPIXEL_TYPE (NEO_GRB + NEO_KHZ800) // type of neopixels in use
+
+#define BUTTON_PIN 25
+#define BUTTON_NEED_PULLUP
+
+#undef EXT_NOTIFY_OUT
+
+// SX128X 2.4 Ghz LoRa module
+#define USE_SX1280
+#define LORA_RESET 14
+#define SX128X_CS 5
+#define SX128X_DIO1 4
+#define SX128X_BUSY 21
+#define SX128X_TXEN 26
+#define SX128X_RXEN 27
+#define SX128X_RESET LORA_RESET
+#define SX128X_MAX_POWER 3

variants/esp32/betafpv_900_tx_nano/platformio.ini

@@ -0,0 +1,17 @@
+[env:betafpv_900_tx_nano]
+extends = esp32_base
+board = esp32doit-devkit-v1
+board_level = extra
+build_flags =
+  ${esp32_base.build_flags}
+  -D BETAFPV_900_TX_NANO
+  -D VTABLES_IN_FLASH=1
+  -D CONFIG_DISABLE_HAL_LOCKS=1
+  -O2
+  -I variants/esp32/betafpv_900_tx_nano
+board_build.f_cpu = 240000000L
+upload_protocol = esptool
+;upload_port = /dev/ttyUSB0
+upload_speed = 460800
+lib_deps =
+  ${esp32_base.lib_deps}

variants/esp32/betafpv_900_tx_nano/variant.h

@@ -0,0 +1,28 @@
+// https://betafpv.com/products/elrs-nano-tx-module
+
+// no screen
+#define HAS_SCREEN 0
+
+// NO GPS
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+
+#define USE_RF95
+
+#define LORA_SCK 18
+#define LORA_MISO 19
+#define LORA_MOSI 23
+#define LORA_CS 5
+
+#define LORA_DIO0 4
+#define LORA_RESET 14
+#define LORA_DIO1 2
+#define LORA_DIO2
+#define LORA_DIO3
+
+#define LED_PIN 16 // green - blue is at 17
+
+#define BUTTON_PIN 25
+#define BUTTON_NEED_PULLUP
+
+#undef EXT_NOTIFY_OUT

variants/esp32/chatter2/platformio.ini

@@ -0,0 +1,12 @@
+; CircuitMess Chatter 2  based on ESP32-WROOM-32 (38 pins) devkit & DeeamLNK DL-LLCC68 or Heltec HT RA62 SX1262/SX1268 module
+[env:chatter2]
+extends = esp32_base
+board = esp32doit-devkit-v1
+build_flags =
+  ${esp32_base.build_flags}
+  -D CHATTER_2
+  -I variants/esp32/chatter2
+  
+lib_deps =
+  ${esp32_base.lib_deps}
+  lovyan03/LovyanGFX@^1.2.0

variants/esp32/chatter2/variant.h

@@ -0,0 +1,124 @@
+//////////////////////////////////////////////////////////////////////////////////
+//                                                                              //
+//   Have custom connections or functionality? Configure them in this section   //
+//                                                                              //
+//////////////////////////////////////////////////////////////////////////////////
+
+// Debugging
+// #define GPS_DEBUG
+
+// Lora
+#define USE_LLCC68 // Original Chatter2 with LLCC68 module
+#define USE_SX1262 // Added for when Lora module is swapped for HT-RA62
+
+#define SX126X_CS 14                 // module's NSS pin
+#define LORA_SCK 16                  // module's SCK pin
+#define LORA_MOSI 5                  // module's MOSI pin
+#define LORA_MISO 17                 // module's MISO pin
+#define SX126X_RESET RADIOLIB_NC     // module's NRST pin
+#define SX126X_BUSY 4                // module's BUSY pin works for both LLCC68 and RA-62 with cut & jumper
+#define SX126X_DIO1 18               // module's DIO1 pin
+#define SX126X_DIO2_AS_RF_SWITCH     // module's DIO2 pin
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8 // module's DIO pin
+#define SX126X_TXEN RADIOLIB_NC
+#define SX126X_RXEN RADIOLIB_NC
+
+// Status
+// #define LED_PIN 1
+// External notification
+// FIXME: Check if EXT_NOTIFY_OUT actualy has any effect and removes the need for setting the external notication pin in the
+// app/preferences
+// #define EXT_NOTIFY_OUT 2 // The GPIO pin that acts as the external notification output (here we connect an LED to it)
+
+// Buzzer
+#define PIN_BUZZER 19
+// Buttons
+// #define BUTTON_PIN 36 // Use the WAKE button as the user button
+// I2C
+// #define I2C_SCL 27
+// #define I2C_SDA 26
+
+#define SX126X_MAX_POWER 22 // SX126xInterface.cpp defaults to 22 if not defined, but here we define it for good practice
+
+// Display
+
+#define HAS_SCREEN 1 // Assume no screen present by default to prevent crash...
+
+// ST7735S TFT LCD
+#define ST7735S 1 // there are different (sub-)versions of ST7735
+#define ST7735_CS -1
+#define ST7735_RS 33  // DC
+#define ST7735_SDA 26 // MOSI
+#define ST7735_SCK 27
+#define ST7735_RESET 15
+#define ST7735_MISO -1
+#define ST7735_BUSY -1
+#define TFT_BL 32
+#define ST7735_SPI_HOST HSPI_HOST // SPI2_HOST for S3, auto may work too
+#define SPI_FREQUENCY 40000000
+#define SPI_READ_FREQUENCY 16000000
+#define TFT_HEIGHT 160
+#define TFT_WIDTH 128
+#define TFT_OFFSET_X 0
+#define TFT_OFFSET_Y 0
+#define TFT_INVERT false
+#define SCREEN_ROTATE
+#define SCREEN_TRANSITION_FRAMERATE 5 // fps
+#define DISPLAY_FORCE_SMALL_FONTS
+#define TFT_BACKLIGHT_ON LOW
+
+// Battery
+
+#define BATTERY_PIN 34 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+#define ADC_CHANNEL ADC1_GPIO34_CHANNEL
+#define ADC_ATTENUATION                                                                                                          \
+    ADC_ATTEN_DB_2_5       // 2_5-> 100mv-1250mv, 11-> 150mv-3100mv for ESP32
+                           // ESP32-S2/C3/S3 are different
+                           // lower dB for lower voltage rnage
+#define ADC_MULTIPLIER 5.0 // VBATT---10k--pin34---2.5K---GND
+// Chatter2 uses 3 AAA cells
+#define CELL_TYPE_ALKALINE
+#define NUM_CELLS 3
+#undef EXT_PWR_DETECT
+
+// GPS
+// FIXME: unsure what to define HAS_GPS as if GPS isn't always present
+#define HAS_GPS 1 // Don't need to set this to 0 to prevent a crash as it doesn't crash if GPS not found, will probe by default
+// #define PIN_GPS_EN 15
+// #define GPS_EN_ACTIVE 1
+#undef GPS_TX_PIN
+#undef GPS_RX_PIN
+#define GPS_TX_PIN 13
+#define GPS_RX_PIN 2
+
+// keyboard
+#define INPUTBROKER_SERIAL_TYPE 1
+#define KB_LOAD 21 // load values from the switch and store in shift register
+#define KB_CLK 22  // clock pin for serial data out
+#define KB_DATA 23 // data pin
+#define CANNED_MESSAGE_MODULE_ENABLE 1
+
+/////////////////////////////////////////////////////////////////////////////////
+//                                                                             //
+//   You should have no need to modify the code below, nor in pins_arduino.h   //
+//                                                                             //
+/////////////////////////////////////////////////////////////////////////////////
+
+#define LORA_CS SX126X_CS // FIXME: for some reason both are used in /src
+
+// Many of the below values would only be used if USE_RF95 was defined, but it's not as we aren't actually using an RF95, just
+// that the 4 pins above are named like it If they aren't used they don't need to be defined and doing so cause confusion to those
+// adapting this file LORA_RESET value is never used in src (as we are not using RF95), so no need to define LORA_DIO0 is not used
+// in src (as we are not using RF95) as SX1262 does not have it per SX1262 datasheet, so no need to define
+// FIXME: confirm that the linked lines below are actually only called when using the SX126x or SX128x and no other modules
+// then use SX126X_DIO1 and SX128X_DIO1 respectively for that purpose, removing the need for RF95-style LORA_* definitions when
+// the RF95 isn't used
+#define LORA_DIO1                                                                                                                \
+    SX126X_DIO1 // The old name is used in
+                // https://github.com/meshtastic/firmware/blob/7eff5e7bcb2084499b723c5e3846c15ee089e36d/src/sleep.cpp#L298, so
+                // must also define the old name
+// LORA_DIO2 value is never used in src (as we are not using RF95), so no need to define, and if DIO2_AS_RF_SWITCH is set then it
+// cannot serve any extra function even if requested to LORA_DIO3 value is never used in src (as we are not using RF95), so no
+// need to define, and DIO3_AS_TCXO_AT_1V8 is set so it cannot serve any extra function even if requested to (from 13.3.2.1
+// DioxMask in SX1262 datasheet: Note that if DIO2 or DIO3 are used to control the RF Switch or the TCXO, the IRQ will not be
+// generated even if it is mapped to the pins.)

variants/esp32/diy/dr-dev/platformio.ini

@@ -0,0 +1,11 @@
+; Port to Disaster Radio's ESP32-v3 Dev Board
+[env:meshtastic-dr-dev]
+extends = esp32_base
+board = esp32doit-devkit-v1
+board_upload.maximum_size = 4194304
+board_upload.maximum_ram_size = 532480
+build_flags =
+  ${esp32_base.build_flags}
+  -D DR_DEV
+  -D EBYTE_E22
+  -I variants/esp32/diy/dr-dev

variants/esp32/diy/dr-dev/variant.h

@@ -0,0 +1,76 @@
+// Initialize i2c bus on sd_dat and esp_led pins, respectively. We need a bus to not hang on boot
+#define HAS_SCREEN 0
+#define I2C_SDA 4
+#define I2C_SCL 5
+#define BATTERY_PIN 34
+#define ADC_CHANNEL ADC1_GPIO34_CHANNEL
+
+// GPS
+#undef GPS_RX_PIN
+#define GPS_RX_PIN NOT_A_PIN
+#define HAS_GPS 0
+
+#define BUTTON_PIN 13 // The middle button GPIO on the T-Beam
+#define BUTTON_NEED_PULLUP
+#define EXT_NOTIFY_OUT 12 // Overridden default pin to use for Ext Notify Module (#975).
+
+#define LORA_DIO0 NOT_A_PIN  // a No connect on the SX1262/SX1268 module
+#define LORA_RESET NOT_A_PIN // RST for SX1276, and for SX1262/SX1268
+#define LORA_DIO3 NOT_A_PIN  // Not connected on PCB, but internally on the SX1262/SX1268, if DIO3 is high the TXCO is enabled
+
+// In transmitting, set TXEN as high communication level，RXEN pin is low level;
+// In receiving, set RXEN as high communication level, TXEN is lowlevel;
+// Before powering off, set TXEN、RXEN as low level.
+
+#undef LORA_SCK
+#define LORA_SCK 18
+#undef LORA_MISO
+#define LORA_MISO 19
+#undef LORA_MOSI
+#define LORA_MOSI 23
+
+// PINS FOR THE 900M22S
+
+#define LORA_DIO1 26 // IRQ for SX1262/SX1268
+#define LORA_DIO2 22 // BUSY for SX1262/SX1268
+// NOT_A_PIN is treated as RADIOLIB_NC due to how they are defined, best to use RADIOLIB_NC directly
+#define LORA_TXEN RADIOLIB_NC // Input - RF switch TX control, connecting external MCU IO or DIO2, valid in high level
+// E22_TXEN_CONNECTED_TO_DIO2 wasn't defined, so RXEN wasn't controlled. Commented it out to maintain behavior, but shouldn't be.
+// Need to comment out defining SX126X_RXEN as LORA_RXEN too
+// #define LORA_RXEN 17 // Input - RF switch RX control, connecting external MCU IO, valid in high level
+#undef LORA_CS
+#define LORA_CS 16
+#define SX126X_BUSY 22
+#define SX126X_CS 16
+
+// PINS FOR THE 900M30S
+/*
+#define LORA_DIO1 27  // IRQ for SX1262/SX1268
+#define LORA_DIO2 35 // BUSY for SX1262/SX1268
+#define LORA_TXEN NOT_A_PIN // Input - RF switch TX control, connecting external MCU IO or DIO2, valid in high level
+#define LORA_RXEN 21  // Input - RF switch RX control, connecting external MCU IO, valid in high level
+#undef LORA_CS
+#define LORA_CS 33
+#define SX126X_BUSY 35
+#define SX126X_CS 33
+*/
+
+// RX/TX for RFM95/SX127x
+// #define RF95_RXEN LORA_RXEN
+#define RF95_TXEN LORA_TXEN
+// #define RF95_TCXO <GPIO#>
+
+// common pinouts for SX126X modules
+
+#define SX126X_DIO1 LORA_DIO1
+#define SX126X_RESET LORA_RESET
+// #define SX126X_RXEN LORA_RXEN
+#define SX126X_TXEN LORA_TXEN
+
+// supported modules list
+// #define USE_RF95 // RFM95/SX127x
+#define USE_SX1262
+// #define USE_SX1268
+// #define USE_LLCC68
+#define SX126X_DIO2_AS_RF_SWITCH
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8

variants/esp32/diy/hydra/platformio.ini

@@ -0,0 +1,8 @@
+; Hydra - Meshtastic DIY v1 hardware with some specific changes
+[env:hydra]
+extends = esp32_base
+board = esp32doit-devkit-v1
+build_flags =
+  ${esp32_base.build_flags}
+  -D DIY_V1
+  -I variants/esp32/diy/hydra

variants/esp32/diy/hydra/variant.h

@@ -0,0 +1,47 @@
+// For OLED LCD
+#define I2C_SDA 21
+#define I2C_SCL 22
+
+// For GPS, 'undef's not needed
+#define GPS_TX_PIN 15
+#define GPS_RX_PIN 12
+#define PIN_GPS_EN 4
+#define GPS_POWER_TOGGLE // Moved definition from platformio.ini to here
+
+#define BUTTON_PIN 39 // The middle button GPIO on the T-Beam
+// Note: On the ESP32 base version, gpio34-39 are input-only, and do not have internal pull-ups.
+// If 39 is not being used for a button, it is suggested to remove the #define.
+#define BATTERY_PIN 35 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+#define ADC_CHANNEL ADC1_GPIO35_CHANNEL
+#define ADC_MULTIPLIER 1.85 // (R1 = 470k, R2 = 680k)
+#define EXT_PWR_DETECT 4    // Pin to detect connected external power source for LILYGO® TTGO T-Energy T18 and other DIY boards
+#define EXT_NOTIFY_OUT 12   // Overridden default pin to use for Ext Notify Module (#975).
+#define LED_PIN 2           // add status LED (compatible with core-pcb and DIY targets)
+
+// Radio
+#define USE_SX1262 // E22-900M30S uses SX1262
+#define USE_SX1268 // E22-400M30S uses SX1268
+#define SX126X_MAX_POWER                                                                                                         \
+    22 // Outputting 22dBm from SX1262 results in ~30dBm E22-900M30S output (module only uses last stage of the YP2233W PA)
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8 // E22 series TCXO reference voltage is 1.8V
+
+#define SX126X_CS 18    // EBYTE module's NSS pin
+#define SX126X_SCK 5    // EBYTE module's SCK pin
+#define SX126X_MOSI 27  // EBYTE module's MOSI pin
+#define SX126X_MISO 19  // EBYTE module's MISO pin
+#define SX126X_RESET 23 // EBYTE module's NRST pin
+#define SX126X_BUSY 32  // EBYTE module's BUSY pin
+#define SX126X_DIO1 33  // EBYTE module's DIO1 pin
+
+#define SX126X_TXEN 13 // Schematic connects EBYTE module's TXEN pin to MCU
+#define SX126X_RXEN 14 // Schematic connects EBYTE module's RXEN pin to MCU
+
+#define LORA_CS SX126X_CS       // Compatibility with variant file configuration structure
+#define LORA_SCK SX126X_SCK     // Compatibility with variant file configuration structure
+#define LORA_MOSI SX126X_MOSI   // Compatibility with variant file configuration structure
+#define LORA_MISO SX126X_MISO   // Compatibility with variant file configuration structure
+#define LORA_DIO1 SX126X_DIO1   // Compatibility with variant file configuration structure
+#define LORA_TXEN SX126X_TXEN   // Compatibility with variant file configuration structure
+#define LORA_RXEN SX126X_RXEN   // Compatibility with variant file configuration structure
+#define LORA_RESET SX126X_RESET // Compatibility with variant file configuration structure
+#define LORA_DIO2 SX126X_BUSY   // Compatibility with variant file configuration structure

variants/esp32/diy/v1/platformio.ini

@@ -0,0 +1,10 @@
+; Meshtastic DIY v1 by Nano VHF Schematic based on ESP32-WROOM-32 (38 pins) devkit & EBYTE E22 SX1262/SX1268 module
+[env:meshtastic-diy-v1]
+extends = esp32_base
+board = esp32doit-devkit-v1
+board_check = true
+build_flags =
+  ${esp32_base.build_flags}
+  -D DIY_V1
+  -D EBYTE_E22
+  -I variants/esp32/diy/v1

variants/esp32/diy/v1/variant.h

@@ -0,0 +1,57 @@
+// For OLED LCD
+#define I2C_SDA 21
+#define I2C_SCL 22
+
+// GPS
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+#define GPS_RX_PIN 12
+#define GPS_TX_PIN 15
+#define GPS_UBLOX
+
+#define BUTTON_PIN 39  // The middle button GPIO on the T-Beam
+#define BATTERY_PIN 35 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+#define ADC_CHANNEL ADC1_GPIO35_CHANNEL
+#define ADC_MULTIPLIER 1.85 // (R1 = 470k, R2 = 680k)
+#define EXT_PWR_DETECT 4    // Pin to detect connected external power source for LILYGO® TTGO T-Energy T18 and other DIY boards
+#define EXT_NOTIFY_OUT 12   // Overridden default pin to use for Ext Notify Module (#975).
+#define LED_PIN 2           // add status LED (compatible with core-pcb and DIY targets)
+
+#define LORA_DIO0 26  // a No connect on the SX1262/SX1268 module
+#define LORA_RESET 23 // RST for SX1276, and for SX1262/SX1268
+#define LORA_DIO1 33  // IRQ for SX1262/SX1268
+#define LORA_DIO2 32  // BUSY for SX1262/SX1268
+#define LORA_DIO3     // Not connected on PCB, but internally on the TTGO SX1262/SX1268, if DIO3 is high the TXCO is enabled
+
+#define LORA_SCK 5
+#define LORA_MISO 19
+#define LORA_MOSI 27
+#define LORA_CS 18
+
+// supported modules list
+#define USE_RF95 // RFM95/SX127x
+#define USE_SX1262
+#define USE_SX1268
+#define USE_LLCC68
+
+// common pinouts for SX126X modules
+#define SX126X_CS 18 // NSS for SX126X
+#define SX126X_DIO1 LORA_DIO1
+#define SX126X_BUSY LORA_DIO2
+#define SX126X_RESET LORA_RESET
+#define SX126X_RXEN RADIOLIB_NC // Defining the RXEN ruins RFSwitching for the E22 900M30S in RadioLib
+#define SX126X_TXEN 13
+
+// RX/TX for RFM95/SX127x
+#define RF95_RXEN 14
+#define RF95_TXEN 13
+
+// Set lora.tx_power to 13 for Hydra or other E22 900M30S target due to PA
+#define SX126X_MAX_POWER 22
+
+#ifdef EBYTE_E22
+// Internally the TTGO module hooks the SX126x-DIO2 in to control the TX/RX switch
+// (which is the default for the sx1262interface code)
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8
+#define TCXO_OPTIONAL // make it so that the firmware can try both TCXO and XTAL
+#endif

variants/esp32/diy/v1_1/platformio.ini

@@ -0,0 +1,10 @@
+; Meshtastic DIY v1.1 new schematic based on ESP32-WROOM-32 & SX1262/SX1268 modules
+[env:meshtastic-diy-v1_1]
+extends = esp32_base
+board = esp32doit-devkit-v1
+board_level = extra
+build_flags =
+  ${esp32_base.build_flags}
+  -D DIY_V1
+  -D EBYTE_E22
+  -I variants/esp32/diy/v1_1

variants/esp32/diy/v1_1/variant.h

@@ -0,0 +1,58 @@
+// For OLED LCD
+#define I2C_SDA 21
+#define I2C_SCL 22
+
+// GPS
+#undef GPS_RX_PIN
+#define GPS_RX_PIN 15
+
+#define BUTTON_PIN 2 // The middle button GPIO on the T-Beam
+#define BUTTON_NEED_PULLUP
+#define EXT_NOTIFY_OUT 12 // Overridden default pin to use for Ext Notify Module (#975).
+
+#define LORA_DIO0 26  // a No connect on the SX1262/SX1268 module
+#define LORA_RESET 27 // RST for SX1276, and for SX1262/SX1268
+#define LORA_DIO1 33  // IRQ for SX1262/SX1268
+#define LORA_DIO2 32  // BUSY for SX1262/SX1268
+#define LORA_DIO3     // Not connected on PCB, but internally on the TTGO SX1262/SX1268, if DIO3 is high the TXCO is enabled
+
+// In transmitting, set TXEN as high communication level，RXEN pin is low level;
+// In receiving, set RXEN as high communication level, TXEN is lowlevel;
+// Before powering off, set TXEN、RXEN as low level.
+#define LORA_RXEN 14 // Input - RF switch RX control, connecting external MCU IO, valid in high level
+#define LORA_TXEN 13 // Input - RF switch TX control, connecting external MCU IO or DIO2, valid in high level
+
+#undef LORA_SCK
+#define LORA_SCK 18
+#undef LORA_MISO
+#define LORA_MISO 19
+#undef LORA_MOSI
+#define LORA_MOSI 23
+#undef LORA_CS
+#define LORA_CS 5
+
+// RX/TX for RFM95/SX127x
+#define RF95_RXEN LORA_RXEN
+#define RF95_TXEN LORA_TXEN
+// #define RF95_TCXO <GPIO#>
+
+// common pinouts for SX126X modules
+#define SX126X_CS 5
+#define SX126X_DIO1 LORA_DIO1
+#define SX126X_BUSY LORA_DIO2
+#define SX126X_RESET LORA_RESET
+#define SX126X_RXEN LORA_RXEN
+#define SX126X_TXEN LORA_TXEN
+
+// supported modules list
+#define USE_RF95 // RFM95/SX127x
+#define USE_SX1262
+#define USE_SX1268
+#define USE_LLCC68
+
+#ifdef EBYTE_E22
+// Internally the TTGO module hooks the SX126x-DIO2 in to control the TX/RX switch
+// (which is the default for the sx1262interface code)
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8
+#define TCXO_OPTIONAL // make it so that the firmware can try both TCXO and XTAL
+#endif

variants/esp32/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/esp32/hackerboxes_esp32_io
+monitor_speed = 115200
+upload_protocol = esptool
+;upload_port = /dev/ttyUSB0
+upload_speed = 921600

variants/esp32/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/esp32/heltec_v1/platformio.ini

@@ -0,0 +1,9 @@
+[env:heltec-v1]
+;build_type = debug ; to make it possible to step through our jtag debugger 
+extends = esp32_base
+board_level = extra
+board = heltec_wifi_lora_32
+build_flags = 
+  ${esp32_base.build_flags}
+  -D HELTEC_V1
+  -I variants/esp32/heltec_v1

variants/esp32/heltec_v1/variant.h

@@ -0,0 +1,31 @@
+// the default ESP32 Pin of 15 is the Oled SCL, set to 36 and 37 and works fine.
+// Tested on Neo6m module.
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+#define GPS_RX_PIN 36
+#define GPS_TX_PIN 33
+
+#ifndef USE_JTAG  // gpio15 is TDO for JTAG, so no I2C on this board while doing jtag
+#define I2C_SDA 4 // I2C pins for this board
+#define I2C_SCL 15
+#endif
+
+#define RESET_OLED 16 // If defined, this pin will be used to reset the display controller
+
+#define LED_PIN 25   // If defined we will blink this LED
+#define BUTTON_PIN 0 // If defined, this will be used for user button presses
+
+#define USE_RF95
+#define LORA_DIO0 26 // a No connect on the SX1262 module
+#ifndef USE_JTAG
+#define LORA_RESET 14
+#endif
+#define LORA_DIO1 RADIOLIB_NC
+#define LORA_DIO2 32 // Not really used
+
+// ratio of voltage divider = 3.20 (R1=100k, R2=220k)
+#define ADC_MULTIPLIER 3.2
+
+#define BATTERY_PIN 13 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+#define ADC_CHANNEL ADC2_GPIO13_CHANNEL
+#define BAT_MEASURE_ADC_UNIT 2

variants/esp32/heltec_v2.1/platformio.ini

@@ -0,0 +1,10 @@
+[env:heltec-v2_1]
+board_level = extra
+;build_type = debug ; to make it possible to step through our jtag debugger 
+extends = esp32_base
+board = heltec_wifi_lora_32_V2
+build_flags = 
+  ${esp32_base.build_flags}
+  -D HELTEC_V2_1
+  -I variants/esp32/heltec_v2.1
+  -DGPS_POWER_TOGGLE ; comment this line to disable triple press function on the user button to turn off gps entirely.

variants/esp32/heltec_v2.1/variant.h

@@ -0,0 +1,37 @@
+// Pin planning should refer to this document
+// https://resource.heltec.cn/download/WiFi_LoRa_32/WIFI_LoRa_32_V2.pdf
+
+// the default ESP32 Pin of 15 is the Oled SCL, 37 is battery pin.
+// Tested on Neo6m module.
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+#define GPS_RX_PIN 36
+#define GPS_TX_PIN 33
+
+#define PIN_GPS_EN 37 // GPS power enable pin
+
+#ifndef USE_JTAG  // gpio15 is TDO for JTAG, so no I2C on this board while doing jtag
+#define I2C_SDA 4 // I2C pins for this board
+#define I2C_SCL 15
+#endif
+
+#define RESET_OLED 16 // If defined, this pin will be used to reset the display controller
+
+#define VEXT_ENABLE 21 // active low, powers the oled display and the lora antenna boost
+#define LED_PIN 25     // If defined we will blink this LED
+#define BUTTON_PIN 0   // If defined, this will be used for user button presses
+
+#define USE_RF95
+#define LORA_DIO0 26 // a No connect on the SX1262 module
+#ifndef USE_JTAG
+#define LORA_RESET 14
+#endif
+#define LORA_DIO1 35 // https://www.thethingsnetwork.org/forum/t/big-esp32-sx127x-topic-part-3/18436
+#define LORA_DIO2 34 // Not really used
+
+#define ADC_MULTIPLIER 3.2 // 220k + 100k (320k/100k=3.2)
+// #define ADC_WIDTH ADC_WIDTH_BIT_10
+
+#define BATTERY_PIN 37 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+#define ADC_CHANNEL ADC1_GPIO37_CHANNEL
+#define EXT_NOTIFY_OUT 13 // Default pin to use for Ext Notify Module.

variants/esp32/heltec_v2/platformio.ini

@@ -0,0 +1,9 @@
+[env:heltec-v2_0]
+;build_type = debug ; to make it possible to step through our jtag debugger
+board_level = extra
+extends = esp32_base
+board = heltec_wifi_lora_32_V2
+build_flags = 
+  ${esp32_base.build_flags}
+  -D HELTEC_V2_0
+  -I variants/esp32/heltec_v2

variants/esp32/heltec_v2/variant.h

@@ -0,0 +1,31 @@
+// the default ESP32 Pin of 15 is the Oled SCL, set to 36 and 37 and works fine.
+// Tested on Neo6m module.
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+#define GPS_RX_PIN 36
+#define GPS_TX_PIN 33
+
+#ifndef USE_JTAG  // gpio15 is TDO for JTAG, so no I2C on this board while doing jtag
+#define I2C_SDA 4 // I2C pins for this board
+#define I2C_SCL 15
+#endif
+
+#define RESET_OLED 16 // If defined, this pin will be used to reset the display controller
+
+#define VEXT_ENABLE 21 // active low, powers the oled display and the lora antenna boost
+#define LED_PIN 25     // If defined we will blink this LED
+#define BUTTON_PIN 0   // If defined, this will be used for user button presses
+
+#define USE_RF95
+#define LORA_DIO0 26 // a No connect on the SX1262 module
+#ifndef USE_JTAG
+#define LORA_RESET 14
+#endif
+#define LORA_DIO1 35 // https://www.thethingsnetwork.org/forum/t/big-esp32-sx127x-topic-part-3/18436
+#define LORA_DIO2 34 // Not really used
+
+// ratio of voltage divider = 3.20 (R12=100k, R10=220k)
+#define ADC_MULTIPLIER 3.2
+#define BATTERY_PIN 13 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+#define ADC_CHANNEL ADC2_GPIO13_CHANNEL
+#define BAT_MEASURE_ADC_UNIT 2

variants/esp32/heltec_wireless_bridge/platformio.ini

@@ -0,0 +1,23 @@
+[env:heltec-wireless-bridge]
+;build_type = debug ; to make it possible to step through our jtag debugger 
+extends = esp32_base
+board = heltec_wifi_lora_32
+build_flags = 
+  ${esp32_base.build_flags}
+  -I variants/esp32/heltec_wireless_bridge
+  -D HELTEC_WIRELESS_BRIDGE
+  -D BOARD_HAS_PSRAM
+  -D RADIOLIB_EXCLUDE_LR11X0=1
+  -D RADIOLIB_EXCLUDE_SX128X=1
+  -D MESHTASTIC_EXCLUDE_CANNEDMESSAGES=1
+  -D MESHTASTIC_EXCLUDE_DETECTIONSENSOR=1
+  -D MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR=1
+  -D MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR_EXTERNAL=1
+  -D MESHTASTIC_EXCLUDE_EXTERNALNOTIFICATION=1
+  -D MESHTASTIC_EXCLUDE_GPS=1
+  -D MESHTASTIC_EXCLUDE_I2C=1
+  -D MESHTASTIC_EXCLUDE_INPUTBROKER=1
+  -D MESHTASTIC_EXCLUDE_POWER_FSM=1
+  -D MESHTASTIC_EXCLUDE_SERIAL=1
+  -D MESHTASTIC_EXCLUDE_SCREEN=1
+  -D MESHTASTIC_EXCLUDE_WAYPOINT=1

variants/esp32/heltec_wireless_bridge/variant.h

@@ -0,0 +1,41 @@
+
+// updated variant 20250420 berlincount, tested with HTIT-TB
+//
+// connections in HTIT-WB
+// per https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf
+// md5: a0e6ae10ff76611aa61433366b2e4f5c  esp32_datasheet_en.pdf
+// per https://resource.heltec.cn/download/Wireless_Bridge/Schematic_Diagram_HTIT-WB_V0.2.pdf
+// md5: d5c1b0219ece347dd8cee866d7d3ab0a  Schematic_Diagram_HTIT-WB_V0.2.pdf
+
+#define NO_EXT_GPIO 1
+#define NO_GPS 1
+
+#define HAS_GPS 0 // GPS is not equipped
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+
+// Green / Lora = PIN 22 / GPIO2, Yellow / Wifi = PIN 23 / GPIO0, Blue / BLE = PIN 25 / GPIO16
+#define LED_PIN 22
+#define WIFI_LED 23
+#define BLE_LED 25
+
+// ESP32-D0WDQ6 direct pins SX1276
+#define USE_RF95
+#define LORA_DIO0 26
+#define LORA_DIO1 35
+#define LORA_DIO2 34
+#define LORA_SCK 05
+#define LORA_MISO 19
+#define LORA_MOSI 27
+#define LORA_CS 18
+
+// several things are not possible with JTAG enabled
+#ifndef USE_JTAG
+#define LORA_RESET 14 // LoRa Reset shares a pin with MTMS
+#define I2C_SDA 4     // SD_DATA1 going to W25Q64, but
+#define I2C_SCL 15    // SD_CMD shared a pin with MTD0
+#endif
+
+// user button is present on device, but currently untested & unconfigured - couldn't figure out how it's connected
+
+// battery support is present within device, but currently untested & unconfigured - couldn't find reliable information yet

variants/esp32/heltec_wsl_v2.1/platformio.ini

@@ -0,0 +1,9 @@
+[env:heltec-wsl-v2_1]
+extends = esp32_base
+board = heltec_wireless_stick_lite
+board_level = extra
+build_flags =
+  ${esp32_base.build_flags}
+  -D PRIVATE_HW
+  -I variants/esp32/heltec_wsl_v2.1
+  -DGPS_POWER_TOGGLE ; comment this line to disable triple press function on the user button to turn off gps entirely.

variants/esp32/heltec_wsl_v2.1/variant.h

@@ -0,0 +1,29 @@
+#define I2C_SCL SCL
+#define I2C_SDA SDA
+
+#define LED_PIN LED
+
+// active low, powers the Battery reader, but no lora antenna boost (?)
+// #define VEXT_ENABLE Vext
+// #define VEXT_ON_VALUE LOW
+
+#define BUTTON_PIN 0
+
+#define ADC_CTRL 21
+#define ADC_CTRL_ENABLED LOW
+#define BATTERY_PIN 37 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+#define ADC_CHANNEL ADC1_CHANNEL_1
+// ratio of voltage divider = 3.20 (R1=100k, R2=220k)
+#define ADC_MULTIPLIER 3.2
+
+#define USE_RF95 // RFM95/SX127x
+
+#define LORA_DIO0 26
+#define LORA_RESET 14
+#define LORA_DIO1 35
+#define LORA_DIO2 34
+
+#define LORA_SCK 5
+#define LORA_MISO 19
+#define LORA_MOSI 27
+#define LORA_CS 18

variants/esp32/m5stack_core/pins_arduino.h

@@ -0,0 +1,47 @@
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+
+static const uint8_t TX = 1;
+static const uint8_t RX = 3;
+
+static const uint8_t TXD2 = 17;
+static const uint8_t RXD2 = 16;
+
+static const uint8_t SDA = 21;
+static const uint8_t SCL = 22;
+
+static const uint8_t SS = 5;
+static const uint8_t MOSI = 23;
+static const uint8_t MISO = 19;
+static const uint8_t SCK = 18;
+
+static const uint8_t G23 = 23;
+static const uint8_t G19 = 19;
+static const uint8_t G18 = 18;
+static const uint8_t G3 = 3;
+static const uint8_t G16 = 16;
+static const uint8_t G21 = 21;
+static const uint8_t G2 = 2;
+static const uint8_t G12 = 12;
+static const uint8_t G15 = 15;
+static const uint8_t G35 = 35;
+static const uint8_t G36 = 36;
+static const uint8_t G25 = 25;
+static const uint8_t G26 = 26;
+static const uint8_t G1 = 1;
+static const uint8_t G17 = 17;
+static const uint8_t G22 = 22;
+static const uint8_t G5 = 5;
+static const uint8_t G13 = 13;
+static const uint8_t G0 = 0;
+static const uint8_t G34 = 34;
+
+static const uint8_t DAC1 = 25;
+static const uint8_t DAC2 = 26;
+
+static const uint8_t ADC1 = 35;
+static const uint8_t ADC2 = 36;
+
+#endif /* Pins_Arduino_h */

variants/esp32/m5stack_core/platformio.ini

@@ -0,0 +1,29 @@
+[env:m5stack-core]
+extends = esp32_base
+board = m5stack-core-esp32
+monitor_filters = esp32_exception_decoder
+build_src_filter = 
+  ${esp32_base.build_src_filter}
+build_flags = 
+  ${esp32_base.build_flags}
+  -I variants/esp32/m5stack_core
+  -DILI9341_DRIVER
+  -DM5STACK
+  -DUSER_SETUP_LOADED
+  -DTFT_SDA_READ
+  -DTFT_DRIVER=0x9341
+  -DTFT_MISO=19
+  -DTFT_MOSI=23
+  -DTFT_SCLK=18
+  -DTFT_CS=14
+  -DTFT_DC=27
+  -DTFT_RST=33
+  -DTFT_BL=32
+  -DSPI_FREQUENCY=40000000
+  -DSPI_READ_FREQUENCY=16000000
+  -DDISABLE_ALL_LIBRARY_WARNINGS
+lib_ignore =
+  m5stack-core
+lib_deps = 
+  ${esp32_base.lib_deps}
+  lovyan03/LovyanGFX@^1.2.0

variants/esp32/m5stack_core/variant.h

@@ -0,0 +1,46 @@
+// #define BUTTON_NEED_PULLUP // if set we need to turn on the internal CPU pullup during sleep
+
+#define I2C_SDA 21
+#define I2C_SCL 22
+
+// #define BUTTON_PIN 39 // 38, 37
+// #define BUTTON_PIN 0
+#define BUTTON_NEED_PULLUP
+// #define EXT_NOTIFY_OUT 13 // Default pin to use for Ext Notify Plugin.
+
+#define BUTTON_PIN 38
+
+#define PIN_BUZZER 25
+
+#undef LORA_SCK
+#undef LORA_MISO
+#undef LORA_MOSI
+#undef LORA_CS
+
+#define LORA_SCK 18
+#define LORA_MISO 19
+#define LORA_MOSI 23
+#define LORA_CS 5
+
+#define USE_RF95
+#define LORA_DIO0 36 // a No connect on the SX1262 module
+#define LORA_RESET 26
+#define LORA_DIO1 RADIOLIB_NC // Not really used
+#define LORA_DIO2 RADIOLIB_NC // Not really used
+
+// This board has different GPS pins than all other boards
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+#define GPS_RX_PIN 16
+#define GPS_TX_PIN 17
+
+#define TFT_HEIGHT 240
+#define TFT_WIDTH 320
+#define TFT_OFFSET_X 0
+#define TFT_OFFSET_Y 0
+#define TFT_BUSY -1
+
+// LCD screens are slow, so slowdown the wipe so it looks better
+#define SCREEN_TRANSITION_FRAMERATE 1 // fps
+
+#define ILI9341_SPI_HOST VSPI_HOST // VSPI_HOST or HSPI_HOST

variants/esp32/m5stack_coreink/pins_arduino.h

@@ -0,0 +1,49 @@
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+
+#define TX2 -1
+#define RX2 -1
+
+static const uint8_t TX = 1;
+static const uint8_t RX = 3;
+
+static const uint8_t SDA = 32;
+static const uint8_t SCL = 33;
+
+static const uint8_t SS = 9;
+static const uint8_t MOSI = 23;
+static const uint8_t MISO = 34;
+static const uint8_t SCK = 18;
+
+static const uint8_t G26 = 26;
+static const uint8_t G36 = 36;
+static const uint8_t G25 = 25;
+
+static const uint8_t G32 = 32;
+static const uint8_t G33 = 33;
+
+static const uint8_t G21 = 21;
+static const uint8_t G22 = 22;
+
+static const uint8_t G13 = 13;
+static const uint8_t G14 = 14;
+
+static const uint8_t G12 = 12;
+static const uint8_t G19 = 19;
+
+static const uint8_t G5 = 5;
+static const uint8_t G10 = 10;
+static const uint8_t G2 = 2;
+static const uint8_t G37 = 37;
+static const uint8_t G38 = 38;
+static const uint8_t G39 = 39;
+
+static const uint8_t DAC1 = 25;
+static const uint8_t DAC2 = 26;
+
+static const uint8_t ADC1 = 35;
+static const uint8_t ADC2 = 36;
+
+#endif /* Pins_Arduino_h */

variants/esp32/m5stack_coreink/platformio.ini

@@ -0,0 +1,28 @@
+[env:m5stack-coreink]
+extends = esp32_base
+board = m5stack-coreink
+board_check = true
+build_src_filter = 
+  ${esp32_base.build_src_filter}
+build_flags = 
+  ${esp32_base.build_flags}
+  -I variants/esp32/m5stack_coreink
+  ;-D RADIOLIB_VERBOSE
+  -Ofast
+  -D__MCUXPRESSO
+  -DEINK_DISPLAY_MODEL=GxEPD2_154_M09
+  -DEINK_WIDTH=200
+  -DEINK_HEIGHT=200
+  -DUSER_SETUP_LOADED
+  -DM5_COREINK 
+  -DM5STACK
+lib_deps = 
+  ${esp32_base.lib_deps}
+  zinggjm/GxEPD2@^1.6.2
+  lewisxhe/PCF8563_Library@^1.0.1
+lib_ignore =
+  m5stack-coreink
+monitor_filters = esp32_exception_decoder
+board_build.f_cpu = 240000000L
+upload_protocol = esptool
+upload_port = /dev/ttyACM0

variants/esp32/m5stack_coreink/variant.h

@@ -0,0 +1,109 @@
+// Primary I2C Bus includes PCF8563 RTC Module
+#define I2C_SDA 21
+#define I2C_SCL 22
+
+#define HAS_GPS 1
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+// Use Secondary I2C Bus as GPS Serial
+#define GPS_RX_PIN 33
+// #define GPS_TX_PIN 32 (now used by SX1262 BUSY as GPS works with just RX)
+
+// Green LED
+#define LED_STATE_ON 1 // State when LED is lit
+#define LED_PIN 10
+
+#include "pcf8563.h"
+// PCF8563 RTC Module
+#define PCF8563_RTC 0x51
+#define HAS_RTC 1
+
+// Wheel
+//  Down 37
+//  Push 38
+//  Up 39
+//  Top Physical Button 5
+
+#define BUTTON_NEED_PULLUP
+#define BUTTON_PIN 5
+
+// BUZZER
+#define PIN_BUZZER 2
+
+#undef LORA_SCK
+#undef LORA_MISO
+#undef LORA_MOSI
+#undef LORA_CS
+
+#define USE_RF95
+// #define USE_SX1262
+// #define USE_SX1280
+
+#ifdef USE_RF95
+#define LORA_SCK 18
+#define LORA_MISO 34
+#define LORA_MOSI 23
+#define LORA_CS 14
+#define LORA_DIO0 25
+#define LORA_RESET 26
+#define LORA_DIO1 RADIOLIB_NC
+#define LORA_DIO2 RADIOLIB_NC
+#endif
+
+// https://www.waveshare.com/core1262-868m.htm
+#ifdef USE_SX1262
+#define LORA_SCK 18
+#define LORA_MISO 34
+#define LORA_MOSI 23
+#define LORA_CS 14
+#define LORA_RESET 26
+#define LORA_DIO1 25
+#define LORA_DIO2 32 // 33 // (13 not working)  //BUSY pin on SX1262
+#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
+#endif
+
+#ifdef USE_SX1280
+#define LORA_SCK 18
+#define LORA_MISO 34
+#define LORA_MOSI 23
+#define LORA_CS 14
+#define LORA_RESET 26
+#define LORA_DIO1 25
+#define LORA_DIO2 13
+#define SX128X_CS LORA_CS
+#define SX128X_DIO1 LORA_DIO1
+#define SX128X_BUSY LORA_DIO2
+#define SX128X_RESET LORA_RESET
+#define SX128X_MAX_POWER 13 // 10
+#endif
+
+#define USE_EINK
+// https://docs.m5stack.com/en/core/coreink
+// https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Core/coreink/coreink_sch.pdf
+#define PIN_EINK_EN -1   // N/C
+#define PIN_EINK_CS 9    // EPD_CS
+#define PIN_EINK_BUSY 4  // EPD_BUSY
+#define PIN_EINK_DC 15   // EPD_D/C
+#define PIN_EINK_RES -1  // Connected but not needed
+#define PIN_EINK_SCLK 18 // EPD_SCLK
+#define PIN_EINK_MOSI 23 // EPD_MOSI
+
+#define BATTERY_PIN 35
+#define ADC_CHANNEL ADC1_GPIO35_CHANNEL
+// https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Core/m5paper/M5_PAPER_SCH.pdf
+// https://github.com/m5stack/M5Core-Ink/blob/master/examples/Basics/FactoryTest/FactoryTest.ino#L58
+//  VBAT
+//   |
+//  R83 (3K)
+//   +
+//  R86 (11K)
+//   |
+//  GND
+// https://github.com/m5stack/M5Core-Ink/blob/master/examples/Basics/FactoryTest/FactoryTest.ino#L58
+#define ADC_MULTIPLIER 5
+// https://embeddedexplorer.com/esp32-adc-esp-idf-tutorial/

variants/esp32/nano-g1-explorer/platformio.ini

@@ -0,0 +1,10 @@
+; The 1.0 release of the nano-g1-explorer board 
+[env:nano-g1-explorer]
+extends = esp32_base
+board = ttgo-t-beam
+lib_deps =
+  ${esp32_base.lib_deps}
+build_flags = 
+  ${esp32_base.build_flags}
+  -D NANO_G1_EXPLORER
+  -I variants/esp32/nano-g1-explorer

variants/esp32/nano-g1-explorer/variant.h

@@ -0,0 +1,40 @@
+// #define BUTTON_NEED_PULLUP // if set we need to turn on the internal CPU pullup during sleep
+
+#define I2C_SDA 21
+#define I2C_SCL 22
+
+#define BUTTON_PIN 36     // The user button (information button) GPIO on the Nano G1 explorer
+#define EXT_NOTIFY_OUT 13 // Default pin to use for Ext Notify Module.
+
+// common pinout for their SX1262 vs RF95 modules - both can be enabled and we will probe at runtime for RF95 and if
+// not found then probe for SX1262
+#define USE_RF95
+#define USE_SX1262
+
+#define GPS_RX_PIN 34
+#define GPS_TX_PIN 12
+
+#define LORA_DIO0 26 // a No connect on the SX1262 module
+#define LORA_RESET 23
+#define LORA_DIO1 33 // SX1262 IRQ
+#define LORA_DIO2 32 // SX1262 BUSY
+#define LORA_DIO3    // Not connected on PCB
+
+#ifdef USE_SX1262
+#define SX126X_CS LORA_CS // FIXME - we really should define LORA_CS instead
+#define SX126X_DIO1 LORA_DIO1
+#define SX126X_BUSY LORA_DIO2
+#define SX126X_RESET LORA_RESET
+// Not really an E22
+#define SX126X_DIO2_AS_RF_SWITCH
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8
+// Internally the module hooks the SX1262-DIO2 in to control the TX/RX switch (which is the default for the sx1262interface
+// code)
+#endif
+
+#define BATTERY_PIN 35 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+#define ADC_CHANNEL ADC1_GPIO35_CHANNEL
+#define BATTERY_SENSE_SAMPLES 15 // Set the number of samples, It has an effect of increasing sensitivity.
+#define ADC_MULTIPLIER 2
+
+#define USE_SH1107_128_64

variants/esp32/nano-g1/platformio.ini

@@ -0,0 +1,10 @@
+; The 1.0 release of the nano-g1 board 
+[env:nano-g1]
+extends = esp32_base
+board = ttgo-t-beam
+lib_deps =
+  ${esp32_base.lib_deps}
+build_flags = 
+  ${esp32_base.build_flags}
+  -D NANO_G1
+  -I variants/esp32/nano-g1

variants/esp32/nano-g1/variant.h

@@ -0,0 +1,36 @@
+// #define BUTTON_NEED_PULLUP // if set we need to turn on the internal CPU pullup during sleep
+
+#define I2C_SDA 21
+#define I2C_SCL 22
+
+#define BUTTON_PIN 36     // The middle button GPIO on the Nano G1
+#define EXT_NOTIFY_OUT 13 // Default pin to use for Ext Notify Module.
+
+// common pinout for their SX1262 vs RF95 modules - both can be enabled and we will probe at runtime for RF95 and if
+// not found then probe for SX1262
+#define USE_RF95
+#define USE_SX1262
+
+#define GPS_RX_PIN 34
+#define GPS_TX_PIN 12
+
+#define LORA_DIO0 26 // a No connect on the SX1262 module
+#define LORA_RESET 23
+#define LORA_DIO1 33 // SX1262 IRQ
+#define LORA_DIO2 32 // SX1262 BUSY
+#define LORA_DIO3    // Not connected on PCB
+
+#ifdef USE_SX1262
+#define SX126X_CS LORA_CS // FIXME - we really should define LORA_CS instead
+#define SX126X_DIO1 LORA_DIO1
+#define SX126X_BUSY LORA_DIO2
+#define SX126X_RESET LORA_RESET
+// Not really an E22
+#define SX126X_DIO2_AS_RF_SWITCH
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8
+// Internally the module hooks the SX1262-DIO2 in to control the TX/RX switch (which is the default for the sx1262interface
+// code)
+#endif
+
+// different screen
+#define USE_SH1106

variants/esp32/radiomaster_900_bandit/platformio.ini

@@ -0,0 +1,16 @@
+[env:radiomaster_900_bandit]
+extends = esp32_base
+board = esp32doit-devkit-v1
+build_flags =
+  ${esp32_base.build_flags}
+  -DRADIOMASTER_900_BANDIT
+  -DVTABLES_IN_FLASH=1
+  -DCONFIG_DISABLE_HAL_LOCKS=1
+  -DHAS_STK8XXX=1
+  -O2
+  -I variants/esp32/radiomaster_900_bandit
+board_build.f_cpu = 240000000L
+upload_protocol = esptool
+lib_deps =
+  ${esp32_base.lib_deps}
+  https://github.com/gjelsoe/STK8xxx-Accelerometer/archive/v0.1.1.zip

variants/esp32/radiomaster_900_bandit/variant.h

@@ -0,0 +1,126 @@
+/*
+ Initial settings and work by https://github.com/gjelsoe
+ Unit provided by Radio Master RC
+ https://radiomasterrc.com/products/bandit-expresslrs-rf-module with 1.29" OLED display CH1115 driver
+*/
+
+/*
+  On this model then screen is NOT upside down, don't flip it for the user.
+*/
+#undef DISPLAY_FLIP_SCREEN
+
+/*
+  I2C SDA and SCL.
+  0x18 - STK8XXX Accelerometer
+  0x3C - SH1115 Display Driver
+*/
+#define I2C_SDA 14
+#define I2C_SCL 12
+
+/*
+  I2C STK8XXX Accelerometer Interrupt PIN to ESP32 Pin 6 - SENSOR_CAPP (GPIO37)
+*/
+#define STK8XXX_INT 37
+
+/*
+  No GPS - but free pins are available.
+*/
+#define HAS_GPS 0
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+
+/*
+  Pin connections from ESP32-D0WDQ6 to SX1276.
+*/
+#define LORA_DIO0 22
+#define LORA_DIO1 21
+#define LORA_SCK 18
+#define LORA_MISO 19
+#define LORA_MOSI 23
+#define LORA_CS 4
+#define LORA_RESET 5
+#define LORA_TXEN 33
+
+/*
+  This unit has a FAN built-in.
+  FAN is active at 250mW on it's ExpressLRS Firmware.
+  This FAN has TACHO signal on Pin 27 for use with PWM.
+*/
+#define RF95_FAN_EN 2
+
+/*
+  LED PIN setup and it has a NeoPixel LED.
+  It's possible to setup colors for Button 1 and 2,
+  look at BUTTON1_COLOR, BUTTON1_COLOR_INDEX, BUTTON2_COLOR and BUTTON2_COLOR_INDEX
+  this is done here for now.
+*/
+#define HAS_NEOPIXEL                         // Enable the use of neopixels
+#define NEOPIXEL_COUNT 6                     // How many neopixels are connected
+#define NEOPIXEL_DATA 15                     // GPIO pin used to send data to the neopixels
+#define NEOPIXEL_TYPE (NEO_GRB + NEO_KHZ800) // Type of neopixels in use
+#define ENABLE_AMBIENTLIGHTING               // Turn on Ambient Lighting
+// #define BUTTON1_COLOR 0xFF0000               // Background light for Button 1 in HEX RGB Color (RadioMaster Bandit only).
+// #define BUTTON1_COLOR_INDEX 0                // NeoPixel Index ID for Button 1
+// #define BUTTON2_COLOR 0x0000FF               // Background light for Button 2 in HEX RGB Color (RadioMaster Bandit only).
+// #define BUTTON2_COLOR_INDEX 1                // NeoPixel Index ID for Button 2
+
+/*
+  It has 1 x five-way and 2 x normal buttons.
+
+  Button    GPIO    RGB Index
+  ---------------------------
+  Five-way  39      -
+  Button 1  34      0
+  Button 2  35      1
+
+  Five way button when using ADC.
+  2.632V, 2.177V, 1.598V, 1.055V, 0V
+
+  ADC Values:
+  { UP, DOWN, LEFT, RIGHT, ENTER, IDLE }
+  3227, 0 ,1961, 2668, 1290, 4095
+
+  Five way button when using ADC.
+  https://github.com/ExpressLRS/targets/blob/f3215b5ec891108db1a13523e4163950cfcadaac/TX/Radiomaster%20Bandit.json#L41
+
+*/
+#define INPUTBROKER_EXPRESSLRSFIVEWAY_TYPE
+#define PIN_JOYSTICK 39
+#define JOYSTICK_ADC_VALS /*UP*/ 3227, /*DOWN*/ 0, /*LEFT*/ 1961, /*RIGHT*/ 2668, /*OK*/ 1290, /*IDLE*/ 4095
+
+/*
+ Normal Button Pin setup.
+*/
+#define BUTTON_PIN 34
+#define BUTTON_NEED_PULLUP
+
+/*
+  No External notification.
+*/
+#undef EXT_NOTIFY_OUT
+
+/*
+  Remapping PIN Names.
+  Note, that this unit uses RFO
+*/
+#define USE_RF95
+#define USE_RF95_RFO
+#define RF95_CS LORA_CS
+#define RF95_DIO1 LORA_DIO1
+#define RF95_TXEN LORA_TXEN
+#define RF95_RESET LORA_RESET
+#define RF95_MAX_POWER 10
+
+/*
+  This module has Skyworks SKY66122 controlled by dacWrite
+  power ranging from 100mW to 1000mW.
+
+  Mapping of PA_LEVEL to Power output: GPIO26/dacWrite
+  168 -> 100mW
+  155 -> 250mW
+  142 -> 500mW
+  110 -> 1000mW
+*/
+#define RF95_PA_EN 26
+#define RF95_PA_DAC_EN
+#define RF95_PA_LEVEL 110

variants/esp32/radiomaster_900_bandit_micro/platformio.ini

@@ -0,0 +1,19 @@
+;
+; This uses the same code and settings as the Radio Master Bandit Nano (https://www.radiomasterrc.com/products/bandit-nano-expresslrs-rf-module)
+;
+; Link to the unit : https://www.radiomasterrc.com/products/bandit-micro-expresslrs-rf-module
+;
+[env:radiomaster_900_bandit_micro]
+extends = esp32_base
+board = esp32doit-devkit-v1
+build_flags =
+  ${esp32_base.build_flags}
+  -DRADIOMASTER_900_BANDIT_NANO
+  -DVTABLES_IN_FLASH=1
+  -DCONFIG_DISABLE_HAL_LOCKS=1
+  -O2
+  -I variants/esp32/radiomaster_900_bandit_nano
+board_build.f_cpu = 240000000L
+upload_protocol = esptool
+lib_deps =
+  ${esp32_base.lib_deps}

variants/esp32/radiomaster_900_bandit_nano/platformio.ini

@@ -0,0 +1,14 @@
+[env:radiomaster_900_bandit_nano]
+extends = esp32_base
+board = esp32doit-devkit-v1
+build_flags =
+  ${esp32_base.build_flags}
+  -DRADIOMASTER_900_BANDIT_NANO
+  -DVTABLES_IN_FLASH=1
+  -DCONFIG_DISABLE_HAL_LOCKS=1
+  -O2
+  -I variants/esp32/radiomaster_900_bandit_nano
+board_build.f_cpu = 240000000L
+upload_protocol = esptool
+lib_deps =
+  ${esp32_base.lib_deps}

variants/esp32/radiomaster_900_bandit_nano/variant.h

@@ -0,0 +1,81 @@
+/*
+ Initial settings and work by https://github.com/uberhalit and re-work by https://github.com/gjelsoe
+ Unit provided by Radio Master RC
+ https://radiomasterrc.com/products/bandit-nano-expresslrs-rf-module with 0.96" OLED display
+*/
+
+/*
+  I2C SDA and SCL.
+*/
+#define I2C_SDA 14
+#define I2C_SCL 12
+
+/*
+  No GPS - but free solder pads are available inside the case.
+*/
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+
+/*
+  Pin connections from ESP32-D0WDQ6 to SX1276.
+*/
+#define LORA_DIO0 22
+#define LORA_DIO1 21
+#define LORA_SCK 18
+#define LORA_MISO 19
+#define LORA_MOSI 23
+#define LORA_CS 4
+#define LORA_RESET 5
+#define LORA_TXEN 33
+
+/*
+  This unit has a FAN built-in.
+  FAN is active at 250mW on it's ExpressLRS Firmware.
+*/
+#define RF95_FAN_EN 2
+
+/*
+  LED PIN setup.
+*/
+#define LED_PIN 15
+
+/*
+  Five way button when using ADC.
+  https://github.com/ExpressLRS/targets/blob/f3215b5ec891108db1a13523e4163950cfcadaac/TX/Radiomaster%20Bandit.json#L41
+*/
+#define INPUTBROKER_EXPRESSLRSFIVEWAY_TYPE
+#define PIN_JOYSTICK 39
+#define JOYSTICK_ADC_VALS /*UP*/ 3227, /*DOWN*/ 0, /*LEFT*/ 1961, /*RIGHT*/ 2668, /*OK*/ 1290, /*IDLE*/ 4095
+
+#define DISPLAY_FLIP_SCREEN
+
+/*
+  No External notification.
+*/
+#undef EXT_NOTIFY_OUT
+
+/*
+  Remapping PIN Names.
+  Note, that this unit uses RFO
+*/
+#define USE_RF95
+#define USE_RF95_RFO
+#define RF95_CS LORA_CS
+#define RF95_DIO1 LORA_DIO1
+#define RF95_TXEN LORA_TXEN
+#define RF95_RESET LORA_RESET
+#define RF95_MAX_POWER 12
+
+/*
+  This module has Skyworks SKY66122 controlled by dacWrite
+  power rangeing from 100mW to 1000mW.
+
+  Mapping of PA_LEVEL to Power output: GPIO26/dacWrite
+  168 -> 100mW  -> 2.11v
+  148 -> 250mW  -> 1.87v
+  128 -> 500mW  -> 1.63v
+  90  -> 1000mW -> 1.16v
+*/
+#define RF95_PA_EN 26
+#define RF95_PA_DAC_EN
+#define RF95_PA_LEVEL 90

variants/esp32/rak11200/pins_arduino.h

@@ -0,0 +1,38 @@
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+
+#define LED_GREEN 12
+#define LED_BLUE 2
+
+#define LED_BUILTIN LED_GREEN
+
+static const uint8_t TX = 1;
+static const uint8_t RX = 3;
+
+#define TX1 21
+#define RX1 19
+
+#define WB_IO1 14
+#define WB_IO2 27
+#define WB_IO3 26
+#define WB_IO4 23
+#define WB_IO5 13
+#define WB_IO6 22
+#define WB_SW1 34
+#define WB_A0 36
+#define WB_A1 39
+#define WB_CS 32
+#define WB_LED1 12
+#define WB_LED2 2
+
+static const uint8_t SDA = 4;
+static const uint8_t SCL = 5;
+
+static const uint8_t SS = 32;
+static const uint8_t MOSI = 25;
+static const uint8_t MISO = 35;
+static const uint8_t SCK = 33;
+
+#endif /* Pins_Arduino_h */

variants/esp32/rak11200/platformio.ini

@@ -0,0 +1,9 @@
+[env:rak11200]
+extends = esp32_base
+board = wiscore_rak11200
+board_check = true
+build_flags = 
+  ${esp32_base.build_flags}
+  -D RAK_11200
+  -I variants/esp32/rak11200
+upload_speed = 115200

variants/esp32/rak11200/variant.h

@@ -0,0 +1,81 @@
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+
+#define LED_GREEN 12
+#define LED_BLUE 2
+
+#define LED_BUILTIN LED_GREEN
+
+static const uint8_t TX = 1;
+static const uint8_t RX = 3;
+
+#define TX1 21
+#define RX1 19
+
+#define WB_IO1 14
+#define WB_IO2 27
+#define WB_IO3 26
+#define WB_IO4 23
+#define WB_IO5 13
+#define WB_IO6 22
+#define WB_SW1 34
+#define WB_A0 36
+#define WB_A1 39
+#define WB_CS 32
+#define WB_LED1 12
+#define WB_LED2 2
+
+static const uint8_t SDA = 4;
+static const uint8_t SCL = 5;
+
+static const uint8_t SS = 32;
+static const uint8_t MOSI = 25;
+static const uint8_t MISO = 35;
+static const uint8_t SCK = 33;
+#endif /* Pins_Arduino_h */
+
+/* -------- Meshtastic pins -------- */
+#define I2C_SDA SDA
+#define I2C_SCL SCL
+
+#undef GPS_RX_PIN
+#define GPS_RX_PIN (RX1)
+#undef GPS_TX_PIN
+#define GPS_TX_PIN (TX1)
+
+#define LED_PIN LED_BLUE
+
+#define PIN_VBAT WB_A0
+#define BATTERY_PIN PIN_VBAT
+#define ADC_CHANNEL ADC1_GPIO36_CHANNEL
+
+// https://docs.rakwireless.com/Product-Categories/WisBlock/RAK13300/
+
+#define LORA_DIO0 RADIOLIB_NC // a No connect on the SX1262/SX1268 module
+#define LORA_RESET WB_IO4     // RST for SX1276, and for SX1262/SX1268
+#define LORA_DIO1 WB_IO6      // IRQ for SX1262/SX1268
+#define LORA_DIO2 WB_IO5      // BUSY for SX1262/SX1268
+#define LORA_DIO3                                                                                                                \
+    RADIOLIB_NC // Not connected on PCB, but internally on the TTGO SX1262/SX1268, if DIO3 is high the TXCO is enabled
+
+#undef LORA_SCK
+#define LORA_SCK SCK
+#undef LORA_MISO
+#define LORA_MISO MISO
+#undef LORA_MOSI
+#define LORA_MOSI MOSI
+#undef LORA_CS
+#define LORA_CS SS
+
+#define USE_SX1262
+#define SX126X_ANT_SW WB_IO3
+#define SX126X_CS SS // NSS for SX126X
+#define SX126X_DIO1 LORA_DIO1
+#define SX126X_BUSY LORA_DIO2
+#define SX126X_RESET LORA_RESET
+#define SX126X_POWER_EN WB_IO2
+// DIO2 controlls an antenna switch and the TCXO voltage is controlled by DIO3
+#define SX126X_DIO2_AS_RF_SWITCH
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8

variants/esp32/station-g1/platformio.ini

@@ -0,0 +1,10 @@
+; The 1.0 release of the nano-g1 board 
+[env:station-g1]
+extends = esp32_base
+board = ttgo-t-beam
+lib_deps =
+  ${esp32_base.lib_deps}
+build_flags = 
+  ${esp32_base.build_flags}
+  -D STATION_G1
+  -I variants/esp32/station-g1

variants/esp32/station-g1/variant.h

@@ -0,0 +1,46 @@
+// #define BUTTON_NEED_PULLUP // if set we need to turn on the internal CPU pullup during sleep
+
+#define I2C_SDA 21
+#define I2C_SCL 22
+
+#define I2C_SDA1 14 // Second i2c channel on external IO connector
+#define I2C_SCL1 15 // Second i2c channel on external IO connector
+
+#define BUTTON_PIN 36     // The middle button GPIO on the Nano G1
+#define EXT_NOTIFY_OUT 13 // Default pin to use for Ext Notify Module.
+
+// common pinout for their SX1262 vs RF95 modules - both can be enabled and we will probe at runtime for RF95 and if
+// not found then probe for SX1262
+#define USE_RF95
+#define USE_SX1262
+
+#define LORA_DIO0 26 // a No connect on the SX1262 module
+#define LORA_RESET 23
+#define LORA_DIO1 33 // SX1262 IRQ
+#define LORA_DIO2 32 // SX1262 BUSY
+#define LORA_DIO3    // Not connected on PCB
+
+#ifdef USE_SX1262
+#define SX126X_CS LORA_CS // FIXME - we really should define LORA_CS instead
+#define SX126X_DIO1 LORA_DIO1
+#define SX126X_BUSY LORA_DIO2
+#define SX126X_RESET LORA_RESET
+#define SX126X_DIO2_AS_RF_SWITCH // Internally the module hooks the SX1262-DIO2 in to control the TX/RX switch
+#define SX126X_MAX_POWER                                                                                                         \
+    16 // Ensure the PA does not exceed the saturation output power. More
+       // Info:https://uniteng.com/wiki/doku.php?id=meshtastic:station#rf_design_-_lora_station_edition_g1
+#endif
+
+#define BATTERY_PIN 35 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+#define ADC_CHANNEL ADC1_GPIO35_CHANNEL
+#define BATTERY_SENSE_SAMPLES 30 // Set the number of samples, It has an effect of increasing sensitivity.
+#define ADC_MULTIPLIER 6.45
+#define CELL_TYPE_LION // same curve for liion/lipo
+#define NUM_CELLS 3
+
+// different screen
+#define USE_SH1106
+
+// Station may not have GPS installed, but it has a labeled GPS pinout
+#define GPS_RX_PIN 34
+#define GPS_TX_PIN 12

variants/esp32/tbeam/platformio.ini

@@ -0,0 +1,15 @@
+; The 1.0 release of the TBEAM board 
+[env:tbeam]
+extends = esp32_base
+board = ttgo-t-beam
+board_check = true
+lib_deps =
+  ${esp32_base.lib_deps}
+build_flags = 
+  ${esp32_base.build_flags}
+  -D TBEAM_V10
+  -I variants/esp32/tbeam
+  -DGPS_POWER_TOGGLE ; comment this line to disable double press function on the user button to turn off gps entirely.
+  -DBOARD_HAS_PSRAM
+  -mfix-esp32-psram-cache-issue
+upload_speed = 921600

variants/esp32/tbeam/variant.h

@@ -0,0 +1,45 @@
+// #define BUTTON_NEED_PULLUP // if set we need to turn on the internal CPU pullup during sleep
+
+#define I2C_SDA 21
+#define I2C_SCL 22
+
+#define BUTTON_PIN 38 // The middle button GPIO on the T-Beam
+#define BUTTON_ACTIVE_LOW true
+#define BUTTON_ACTIVE_PULLUP true
+#define EXT_NOTIFY_OUT 13 // Default pin to use for Ext Notify Module.
+
+#define LED_STATE_ON 0 // State when LED is lit
+#define LED_PIN 4      // Newer tbeams (1.1) have an extra led on GPIO4
+
+// TTGO uses a common pinout for their SX1262 vs RF95 modules - both can be enabled and we will probe at runtime for RF95 and if
+// not found then probe for SX1262
+#define USE_RF95 // RFM95/SX127x
+#define USE_SX1262
+#define USE_SX1268
+
+#define LORA_DIO0 26 // a No connect on the SX1262 module
+#define LORA_RESET 23
+#define LORA_DIO1 33 // SX1262 IRQ
+#define LORA_DIO2 32 // SX1262 BUSY
+#define LORA_DIO3    // Not connected on PCB, but internally on the TTGO SX1262, if DIO3 is high the TXCO is enabled
+
+#ifdef USE_SX1262
+#define SX126X_CS LORA_CS // FIXME - we really should define LORA_CS instead
+#define SX126X_DIO1 LORA_DIO1
+#define SX126X_BUSY LORA_DIO2
+#define SX126X_RESET LORA_RESET
+// Not really an E22 but TTGO seems to be trying to clone that
+#define SX126X_DIO2_AS_RF_SWITCH
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8
+// Internally the TTGO module hooks the SX1262-DIO2 in to control the TX/RX switch (which is the default for the sx1262interface
+// code)
+#endif
+
+// Leave undefined to disable our PMU IRQ handler.  DO NOT ENABLE THIS because the pmuirq can cause sperious interrupts
+// and waking from light sleep
+// #define PMU_IRQ 35
+#define HAS_AXP192
+#define GPS_UBLOX
+#define GPS_RX_PIN 34
+#define GPS_TX_PIN 12
+// #define GPS_DEBUG

variants/esp32/tbeam_v07/platformio.ini

@@ -0,0 +1,9 @@
+; The original TBEAM board without the AXP power chip and a few other changes
+[env:tbeam0_7]
+board_level = extra
+extends = esp32_base
+board = ttgo-t-beam
+build_flags = 
+  ${esp32_base.build_flags}
+  -D TBEAM_V07
+  -I variants/esp32/tbeam_v07

variants/esp32/tbeam_v07/variant.h

@@ -0,0 +1,22 @@
+// #define BUTTON_NEED_PULLUP // if set we need to turn on the internal CPU pullup during sleep
+
+#define I2C_SDA 21
+#define I2C_SCL 22
+
+#define BUTTON_PIN 39
+#define BATTERY_PIN 35    // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+#define EXT_NOTIFY_OUT 13 // Default pin to use for Ext Notify Module.
+#define ADC_CHANNEL ADC1_GPIO35_CHANNEL
+
+#define USE_RF95
+#define LORA_DIO0 26 // a No connect on the SX1262 module
+#define LORA_RESET 23
+#define LORA_DIO1 33
+#define LORA_DIO2 32 // Not really used
+
+// This board has different GPS pins than all other boards
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+#define GPS_RX_PIN 12
+#define GPS_TX_PIN 15
+#define GPS_UBLOX

variants/esp32/tlora_v1/platformio.ini

@@ -0,0 +1,9 @@
+[env:tlora-v1]
+board_level = extra
+extends = esp32_base
+board = ttgo-lora32-v1
+build_flags = 
+  ${esp32_base.build_flags}
+  -D TLORA_V1
+  -I variants/esp32/tlora_v1
+upload_speed = 115200

variants/esp32/tlora_v1/variant.h

@@ -0,0 +1,17 @@
+#define I2C_SDA 4 // I2C pins for this board
+#define I2C_SCL 15
+
+#define RESET_OLED 16 // If defined, this pin will be used to reset the display controller
+
+#define VEXT_ENABLE 21 // active low, powers the oled display and the lora antenna boost
+#define VEXT_ON_VALUE LOW
+#define LED_PIN 2    // If defined we will blink this LED
+#define BUTTON_PIN 0 // If defined, this will be used for user button presses
+#define BUTTON_NEED_PULLUP
+#define EXT_NOTIFY_OUT 13 // Default pin to use for Ext Notify Module.
+
+#define USE_RF95
+#define LORA_DIO0 26 // a No connect on the SX1262 module
+#define LORA_RESET 14
+#define LORA_DIO1 33 // Must be manually wired: https://www.thethingsnetwork.org/forum/t/big-esp32-sx127x-topic-part-3/18436
+#define LORA_DIO2 32 // Not really used

variants/esp32/tlora_v1_3/platformio.ini

@@ -0,0 +1,7 @@
+[env:tlora_v1_3]
+board_level = extra
+extends = esp32_base
+board = ttgo-lora32-v1
+build_flags = 
+  ${esp32_base.build_flags} -D TLORA_V1_3 -I variants/esp32/tlora_v1_3
+upload_speed = 115200

variants/esp32/tlora_v1_3/variant.h

@@ -0,0 +1,18 @@
+#define BATTERY_PIN 35 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+#define ADC_CHANNEL ADC1_GPIO35_CHANNEL
+
+#define I2C_SDA 21 // I2C pins for this board
+#define I2C_SCL 22
+
+#define RESET_OLED 16 // If defined, this pin will be used to reset the display controller
+
+#define VEXT_ENABLE 21 // active low, powers the oled display and the lora antenna boost
+#define LED_PIN 25     // If defined we will blink this LED
+#define BUTTON_PIN 36
+#define BUTTON_NEED_PULLUP
+
+#define USE_RF95
+#define LORA_DIO0 26 // a No connect on the SX1262 module
+#define LORA_RESET 14
+#define LORA_DIO1 33 // Prob. must be manually wired: https://www.thethingsnetwork.org/forum/t/big-esp32-sx127x-topic-part-3/18436
+#define LORA_DIO2 32 // Not really used

variants/esp32/tlora_v2/platformio.ini

@@ -0,0 +1,8 @@
+[env:tlora-v2]
+board_level = extra
+extends = esp32_base
+board = ttgo-lora32-v1
+build_flags = 
+  ${esp32_base.build_flags}
+  -D TLORA_V2
+  -I variants/esp32/tlora_v2

variants/esp32/tlora_v2/variant.h

@@ -0,0 +1,18 @@
+#define BATTERY_PIN 35 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+#define ADC_CHANNEL ADC1_GPIO35_CHANNEL
+
+#define I2C_SDA 21 // I2C pins for this board
+#define I2C_SCL 22
+
+#define VEXT_ENABLE 21 // active low, powers the oled display and the lora antenna boost
+#define LED_PIN 25     // If defined we will blink this LED
+#define BUTTON_PIN                                                                                                               \
+    0 // If defined, this will be used for user button presses, if your board doesn't have a physical switch, you can wire one
+      // between this pin and ground
+#define BUTTON_NEED_PULLUP
+
+#define USE_RF95
+#define LORA_DIO0 26 // a No connect on the SX1262 module
+#define LORA_RESET 14
+#define LORA_DIO1 33 // Must be manually wired: https://www.thethingsnetwork.org/forum/t/big-esp32-sx127x-topic-part-3/18436
+#define LORA_DIO2 32 // Not really used

variants/esp32/tlora_v2_1_16/platformio.ini

@@ -0,0 +1,8 @@
+[env:tlora-v2-1-1_6]
+extends = esp32_base
+board = ttgo-lora32-v21
+board_check = true
+build_flags = 
+  ${esp32_base.build_flags} -D TLORA_V2_1_16 -I variants/esp32/tlora_v2_1_16
+  -DGPS_POWER_TOGGLE ; comment this line to disable triple press function on the user button to turn off gps entirely.
+upload_speed = 115200

variants/esp32/tlora_v2_1_16/variant.h

@@ -0,0 +1,25 @@
+#define BATTERY_PIN 35
+#define ADC_CHANNEL ADC1_GPIO35_CHANNEL
+#define BATTERY_SENSE_SAMPLES 30
+
+// ratio of voltage divider = 2.0 (R42=100k, R43=100k)
+#define ADC_MULTIPLIER 2
+
+#define I2C_SDA 21 // I2C pins for this board
+#define I2C_SCL 22
+
+#define LED_PIN 25 // If defined we will blink this LED
+
+#define USE_RF95
+#define LORA_DIO0 26 // a No connect on the SX1262 module
+#define LORA_RESET 23
+
+// In the T3 V1.6.1 TXCO version, GPIO 33 is connected to Radio’s
+// internal temperature-compensated crystal oscillator enable
+#ifdef LORA_TCXO_GPIO
+#define LORA_DIO1 RADIOLIB_NC // no-connect on sx127x module
+#else
+#define LORA_DIO1 33 // https://www.thethingsnetwork.org/forum/t/big-esp32-sx127x-topic-part-3/18436
+#endif
+
+#define LORA_DIO2 32 // Not really used

variants/esp32/tlora_v2_1_16_tcxo/platformio.ini

@@ -0,0 +1,11 @@
+[env:tlora-v2-1-1_6-tcxo]
+extends = esp32_base
+board_level = extra
+board = ttgo-lora32-v21
+build_flags = 
+  ${esp32_base.build_flags}
+  -D TLORA_V2_1_16
+  -I variants/esp32/tlora_v2_1_16
+  -D GPS_POWER_TOGGLE ; comment this line to disable triple press function on the user button to turn off gps entirely.
+  -D LORA_TCXO_GPIO=33
+upload_speed = 115200

variants/esp32/tlora_v2_1_18/platformio.ini

@@ -0,0 +1,9 @@
+[env:tlora-v2-1-1_8]
+extends = esp32_base
+board_level = extra
+board = ttgo-lora32-v21
+
+build_flags = 
+  ${esp32_base.build_flags}
+  -D TLORA_V2_1_18
+  -I variants/esp32/tlora_v2_1_18

variants/esp32/tlora_v2_1_18/variant.h

@@ -0,0 +1,20 @@
+#define BATTERY_PIN 35 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+// ratio of voltage divider = 2.0 (R42=100k, R43=100k)
+#define ADC_MULTIPLIER 2.11 // 2.0 + 10% for correction of display undervoltage.
+#define ADC_CHANNEL ADC1_GPIO35_CHANNEL
+
+#define I2C_SDA 21 // I2C pins for this board
+#define I2C_SCL 22
+
+#define LED_PIN 25    // If defined we will blink this LED
+#define BUTTON_PIN 12 // If defined, this will be used for user button presses,
+
+#define BUTTON_NEED_PULLUP
+
+#define USE_SX1280
+#define LORA_RESET 23
+
+#define SX128X_CS 18
+#define SX128X_DIO1 26
+#define SX128X_BUSY 32
+#define SX128X_RESET LORA_RESET

variants/esp32/tlora_v3_3_0_tcxo/platformio.ini

@@ -0,0 +1,10 @@
+[env:tlora-v3-3-0-tcxo]
+extends = esp32_base
+board = ttgo-lora32-v21
+build_flags = 
+  ${esp32_base.build_flags}
+  -D TLORA_V2_1_16
+  -I variants/esp32/tlora_v2_1_16
+  -D GPS_POWER_TOGGLE ; comment this line to disable triple press function on the user button to turn off gps entirely.
+  -D LORA_TCXO_GPIO=12
+  -D BUTTON_PIN=0

variants/esp32/trackerd/platformio.ini

@@ -0,0 +1,8 @@
+[env:trackerd]
+extends = esp32_base
+board = pico32
+board_build.f_flash = 80000000L
+
+build_flags = 
+  ${esp32_base.build_flags} -D PRIVATE_HW -I variants/esp32/trackerd -D BSFILE=\"boards/dragino_lbt2.h\"
+;board_build.partitions = no_ota.csv

variants/esp32/trackerd/variant.h

@@ -0,0 +1,53 @@
+// Initialize i2c bus on sd_dat and esp_led pins, respectively. We need a bus to not hang on boot
+#define HAS_SCREEN 0
+#define I2C_SDA 21
+#define I2C_SCL 22
+
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+#define GPS_RX_PIN 9
+#define GPS_TX_PIN 10
+
+#define LED_PIN 13 // 13 red, 2 blue, 15 red
+
+// #define HAS_BUTTON 0
+#define BUTTON_PIN 0
+#define BUTTON_NEED_PULLUP
+
+#define USE_RF95
+#define LORA_DIO0 26 // a No connect on the SX1262 module
+#define LORA_RESET 23
+#define LORA_DIO1 33
+#define LORA_DIO2 32 // Not really used
+
+#undef BAT_MEASURE_ADC_UNIT
+#define BATTERY_PIN 35      // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+#define ADC_MULTIPLIER 1.34 //  tracked resistance divider is 100k+470k, so it can not fillfull well on esp32 adc
+#define ADC_CHANNEL ADC1_GPIO35_CHANNEL
+#define ADC_ATTENUATION ADC_ATTEN_DB_12 // lower dB for high resistance voltage divider
+
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+#undef PIN_GPS_PPS
+
+#define PIN_GPS_EN 12
+#define GPS_EN_ACTIVE 1
+
+#define GPS_TX_PIN 10
+#define GPS_RX_PIN 9
+
+#define PIN_GPS_RESET 25
+// #define PIN_GPS_REINIT 25
+#define GPS_RESET_MODE 1
+
+#define GPS_L76K
+
+#undef PIN_LED1
+#undef PIN_LED2
+#undef PIN_LED3
+
+#define PIN_LED1 13
+#define PIN_LED2 15
+#define PIN_LED3 2
+
+#define ledOff(pin) pinMode(pin, INPUT)

variants/esp32/wiphone/pins_arduino.h

@@ -0,0 +1,44 @@
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+
+static const uint8_t TX = 1;
+static const uint8_t RX = 3;
+
+static const uint8_t SDA = 21;
+static const uint8_t SCL = 22;
+
+static const uint8_t SS = 5;
+static const uint8_t MOSI = 23;
+static const uint8_t MISO = 19;
+static const uint8_t SCK = 18;
+
+static const uint8_t G23 = 23;
+static const uint8_t G19 = 19;
+static const uint8_t G18 = 18;
+static const uint8_t G3 = 3;
+static const uint8_t G16 = 16;
+static const uint8_t G21 = 21;
+static const uint8_t G2 = 2;
+static const uint8_t G12 = 12;
+static const uint8_t G15 = 15;
+static const uint8_t G35 = 35;
+static const uint8_t G36 = 36;
+static const uint8_t G25 = 25;
+static const uint8_t G26 = 26;
+static const uint8_t G1 = 1;
+static const uint8_t G17 = 17;
+static const uint8_t G22 = 22;
+static const uint8_t G5 = 5;
+static const uint8_t G13 = 13;
+static const uint8_t G0 = 0;
+static const uint8_t G34 = 34;
+
+static const uint8_t DAC1 = 25;
+static const uint8_t DAC2 = 26;
+
+static const uint8_t ADC1 = 35;
+static const uint8_t ADC2 = 36;
+
+#endif /* Pins_Arduino_h */

variants/esp32/wiphone/platformio.ini

@@ -0,0 +1,15 @@
+[env:wiphone]
+extends = esp32_base
+board = wiphone
+board_level = extra
+monitor_filters = esp32_exception_decoder
+board_build.partitions = default_16MB.csv
+build_flags = 
+  ${esp32_base.build_flags}
+  -D WIPHONE
+  -I variants/esp32/wiphone
+lib_deps = 
+  ${esp32_base.lib_deps}
+  lovyan03/LovyanGFX@^1.2.0
+  sparkfun/SX1509 IO Expander@^3.0.5
+  pololu/APA102@^3.0.0

variants/esp32/wiphone/variant.h

@@ -0,0 +1,62 @@
+#define I2C_SDA 15
+#define I2C_SCL 25
+
+#define GPIO_EXTENDER 1509
+#define EXTENDER_FLAG 0x40
+#define EXTENDER_PIN(x) (x + EXTENDER_FLAG)
+
+#undef RF95_SCK
+#undef RF95_MISO
+#undef RF95_MOSI
+#undef RF95_NSS
+
+#define RF95_SCK 14
+#define RF95_MISO 12
+#define RF95_MOSI 13
+#define RF95_NSS 27
+
+#define USE_RF95
+#define LORA_DIO0 38
+#define LORA_RESET RADIOLIB_NC
+#define LORA_DIO1 RADIOLIB_NC
+#define LORA_DIO2 RADIOLIB_NC
+
+// This board has no GPS or Screen for now
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+#define NO_GPS 1
+#define HAS_GPS 0
+#define NO_SCREEN
+#define HAS_SCREEN 0
+
+// Default SPI1 will be mapped to the display
+#define ST7789_SDA 23
+#define ST7789_SCK 18
+#define ST7789_CS 5
+#define ST7789_RS 26
+// I don't have a 'wiphone' but this I think should not be defined this way (don't set TFT_BL if we don't have a hw way to control
+// it)
+// #define ST7789_BL -1 // EXTENDER_PIN(9)
+
+#define ST7789_RESET -1
+#define ST7789_MISO 19
+#define ST7789_BUSY -1
+#define ST7789_SPI_HOST SPI3_HOST
+// I don't have a 'wiphone' but this I think should not be defined this way (don't set TFT_BL if we don't have a hw way to control
+// it)
+// #define TFT_BL -1 // EXTENDER_PIN(9)
+#define SPI_FREQUENCY 40000000
+#define SPI_READ_FREQUENCY 16000000
+#define TFT_HEIGHT 240
+#define TFT_WIDTH 320
+#define TFT_OFFSET_X 0
+#define TFT_OFFSET_Y 0
+#define TFT_OFFSET_ROTATION 0
+#define SCREEN_ROTATE
+#define SCREEN_TRANSITION_FRAMERATE 5
+
+#define I2S_MCLK_GPIO0
+#define I2S_BCK_PIN 4 // rev1.3 - 4 (wp05)
+#define I2S_WS_PIN 33
+#define I2S_MOSI_PIN 21
+#define I2S_MISO_PIN 34