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- // 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
- #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
- // The E22's TXEN pin is connected to MCU pin, E22's RXEN pin is connected to MCU pin (allows for ramping up PA before transmission
- // Don't define DIO2_AS_RF_SWITCH because we only use DIO2 or an MCU pin mutually exclusively to connect to E22's TXEN (to prevent
- // a short if they are both connected at the same time and there's a slight non-neglibible delay and/or voltage difference between
- // DIO2 and TXEN).
- #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
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