diff --git a/variants/esp32/diy/9m2ibr_aprs_lora_tracker/platformio.ini b/variants/esp32/diy/9m2ibr_aprs_lora_tracker/platformio.ini new file mode 100644 index 000000000..809599212 --- /dev/null +++ b/variants/esp32/diy/9m2ibr_aprs_lora_tracker/platformio.ini @@ -0,0 +1,12 @@ +; 9M2IBR APRS LoRa Tracker: ESP32-WROOM-32 + EBYTE E22-400M30S +; https://shopee.com.my/product/1095224/21692283917 +[env:9m2ibr_aprs_lora_tracker] +extends = esp32_base +board = esp32doit-devkit-v1 +board_level = extra +build_flags = + ${esp32_base.build_flags} + -D PRIVATE_HW + -D EBYTE_E22 + -D EBYTE_E22_900M30S ; Assume Tx power curve is identical to 900M30S as there is no documentation + -I variants/esp32/diy/9m2ibr_aprs_lora_tracker diff --git a/variants/esp32/diy/9m2ibr_aprs_lora_tracker/variant.h b/variants/esp32/diy/9m2ibr_aprs_lora_tracker/variant.h new file mode 100644 index 000000000..037933140 --- /dev/null +++ b/variants/esp32/diy/9m2ibr_aprs_lora_tracker/variant.h @@ -0,0 +1,74 @@ +/* + + 9M2IBR APRS LoRa Tracker: ESP32-WROOM-32 + EBYTE E22-400M30S + https://shopee.com.my/product/1095224/21692283917 + + Originally developed for LoRa_APRS_iGate and GPIO is similar to + https://github.com/richonguzman/LoRa_APRS_iGate/blob/main/variants/ESP32_DIY_1W_LoRa_Mesh_V1_2/board_pinout.h + +*/ + +// OLED (may be different controllers depending on screen size) +#define I2C_SDA 21 +#define I2C_SCL 22 +#define HAS_SCREEN 1 // Generates randomized BLE pin + +// GNSS: Ai-Thinker GP-02 BDS/GNSS module +#define GPS_RX_PIN 16 +#define GPS_TX_PIN 17 + +// Button +#define BUTTON_PIN 15 // Right side button - if not available, set device.button_gpio to 0 from Meshtastic client + +// LEDs +#define LED_PIN 13 // Tx LED +#define USER_LED 2 // Rx LED + +// Buzzer +#define PIN_BUZZER 33 + +// Battery sense +#define BATTERY_PIN 35 +#define ADC_MULTIPLIER 2.01 // 100k + 100k, and add 1% tolerance +#define ADC_CHANNEL ADC1_GPIO35_CHANNEL +#define BATTERY_SENSE_RESOLUTION_BITS ADC_RESOLUTION + +// SPI +#define LORA_SCK 18 +#define LORA_MISO 19 +#define LORA_MOSI 23 + +// LoRa +#define LORA_CS 5 +#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 12 // IRQ for SX1262/SX1268 +#define LORA_DIO2 RADIOLIB_NC // BUSY for SX1262/SX1268 +#define LORA_DIO3 // NC, but used as TCXO supply by E22 module +#define LORA_RXEN 32 // RF switch RX (and E22 LNA) control by ESP32 GPIO +#define LORA_TXEN 25 // RF switch TX (and E22 PA) control by ESP32 GPIO + +// RX/TX for RFM95/SX127x +#define RF95_RXEN LORA_RXEN +#define RF95_TXEN LORA_TXEN +// #define RF95_TCXO + +// 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 + +// Support alternative modules if soldered in place of E22 +#define USE_RF95 // RFM95/SX127x +#define USE_SX1262 +#define USE_SX1268 +#define USE_LLCC68 + +// E22 TCXO support +#ifdef EBYTE_E22 +#define SX126X_DIO3_TCXO_VOLTAGE 1.8 +#define TCXO_OPTIONAL // make it so that the firmware can try both TCXO and XTAL +#endif