43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
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#define LED_PIN LED
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#define USE_SSD1306 // Heltec_v3 has a SSD1306 display
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#define RESET_OLED RST_OLED
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#define I2C_SDA SDA_OLED // I2C pins for this board
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#define I2C_SCL SCL_OLED
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// Enable secondary bus for external periherals
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#define I2C_SDA1 SDA
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#define I2C_SCL1 SCL
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#define VEXT_ENABLE Vext // active low, powers the oled display and the lora antenna boost
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#define BUTTON_PIN 0
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#define ADC_CTRL 37
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#define ADC_CTRL_ENABLED LOW
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#define BATTERY_PIN 1 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
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#define ADC_CHANNEL ADC1_GPIO1_CHANNEL
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#define ADC_ATTENUATION ADC_ATTEN_DB_2_5 // lower dB for high resistance voltage divider
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#define ADC_MULTIPLIER 4.9 * 1.045
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#define USE_SX1262
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#define LORA_DIO0 -1 // a No connect on the SX1262 module
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#define LORA_RESET 12
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#define LORA_DIO1 14 // SX1262 IRQ
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#define LORA_DIO2 13 // SX1262 BUSY
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#define LORA_DIO3 // Not connected on PCB, but internally on the TTGO SX1262, if DIO3 is high the TXCO is enabled
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#define LORA_SCK 9
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#define LORA_MISO 11
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#define LORA_MOSI 10
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#define LORA_CS 8
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#define SX126X_CS LORA_CS
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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_DIO2_AS_RF_SWITCH
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#define SX126X_DIO3_TCXO_VOLTAGE 1.8
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