////////////////////////////////////////////////////////////////////////////////// // // // Have custom connections or functionality? Configure them in this section // // // ////////////////////////////////////////////////////////////////////////////////// // Debugging // #define GPS_DEBUG // #define GPS_EXTRAVERBOSE // 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 ST7735_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 // 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.)