2022-01-23 20:44:58 +00:00
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// For OLED LCD
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#define I2C_SDA 21
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#define I2C_SCL 22
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// GPS
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#undef GPS_RX_PIN
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#define GPS_RX_PIN 15
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#define BUTTON_PIN 2 // The middle button GPIO on the T-Beam
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#define BUTTON_NEED_PULLUP
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2022-02-27 10:21:02 +00:00
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#define EXT_NOTIFY_OUT 12 // Overridden default pin to use for Ext Notify Module (#975).
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2022-01-23 20:44:58 +00:00
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#define LORA_DIO0 26 // a No connect on the SX1262/SX1268 module
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#define LORA_RESET 27 // RST for SX1276, and for SX1262/SX1268
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#define LORA_DIO1 33 // IRQ for SX1262/SX1268
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#define LORA_DIO2 32 // BUSY for SX1262/SX1268
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#define LORA_DIO3 // Not connected on PCB, but internally on the TTGO SX1262/SX1268, if DIO3 is high the TXCO is enabled
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// In transmitting, set TXEN as high communication level，RXEN pin is low level;
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// In receiving, set RXEN as high communication level, TXEN is lowlevel;
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// Before powering off, set TXEN、RXEN as low level.
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2023-01-21 13:34:29 +00:00
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#define LORA_RXEN 14 // Input - RF switch RX control, connecting external MCU IO, valid in high level
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#define LORA_TXEN 13 // Input - RF switch TX control, connecting external MCU IO or DIO2, valid in high level
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2022-01-23 20:44:58 +00:00
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2023-11-29 21:51:05 +00:00
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#undef LORA_SCK
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#define LORA_SCK 18
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#undef LORA_MISO
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#define LORA_MISO 19
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#undef LORA_MOSI
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#define LORA_MOSI 23
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#undef LORA_CS
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#define LORA_CS 5
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2022-01-23 20:44:58 +00:00
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// RX/TX for RFM95/SX127x
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#define RF95_RXEN LORA_RXEN
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#define RF95_TXEN LORA_TXEN
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// #define RF95_TCXO <GPIO#>
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// common pinouts for SX126X modules
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#define SX126X_CS 5
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#define SX126X_DIO1 LORA_DIO1
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#define SX126X_BUSY LORA_DIO2
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#define SX126X_RESET LORA_RESET
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#define SX126X_RXEN LORA_RXEN
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#define SX126X_TXEN LORA_TXEN
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// supported modules list
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#define USE_RF95 // RFM95/SX127x
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#define USE_SX1262
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#define USE_SX1268
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#define USE_LLCC68
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#ifdef EBYTE_E22
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// Internally the TTGO module hooks the SX126x-DIO2 in to control the TX/RX switch
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// (which is the default for the sx1262interface code)
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2023-09-27 21:01:40 +00:00
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#define SX126X_DIO3_TCXO_VOLTAGE 1.8
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2022-01-27 13:49:55 +00:00
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#endif
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