37 lines
1.4 KiB
C
37 lines
1.4 KiB
C
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// Pin planning should refer to this document
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// https://resource.heltec.cn/download/WiFi_LoRa_32/WIFI_LoRa_32_V2.pdf
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// the default ESP32 Pin of 15 is the Oled SCL, 37 is battery pin.
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// Tested on Neo6m module.
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#undef GPS_RX_PIN
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#undef GPS_TX_PIN
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#define GPS_RX_PIN 36
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#define GPS_TX_PIN 33
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#define PIN_GPS_EN 37 // GPS power enable pin
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#ifndef USE_JTAG // gpio15 is TDO for JTAG, so no I2C on this board while doing jtag
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#define I2C_SDA 4 // I2C pins for this board
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#define I2C_SCL 15
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#endif
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#define RESET_OLED 16 // If defined, this pin will be used to reset the display controller
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#define VEXT_ENABLE 21 // active low, powers the oled display and the lora antenna boost
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#define LED_PIN 25 // If defined we will blink this LED
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#define BUTTON_PIN 0 // If defined, this will be used for user button presses
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#define USE_RF95
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#define LORA_DIO0 26 // a No connect on the SX1262 module
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#ifndef USE_JTAG
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#define LORA_RESET 14
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#endif
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#define LORA_DIO1 35 // https://www.thethingsnetwork.org/forum/t/big-esp32-sx127x-topic-part-3/18436
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#define LORA_DIO2 34 // Not really used
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#define ADC_MULTIPLIER 3.2 // 220k + 100k (320k/100k=3.2)
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// #define ADC_WIDTH ADC_WIDTH_BIT_10
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#define BATTERY_PIN 37 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
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#define ADC_CHANNEL ADC1_GPIO37_CHANNEL
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#define EXT_NOTIFY_OUT 13 // Default pin to use for Ext Notify Module.
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