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5d13314853
Resolves meshtastic/firmware#8417 Given pins 41 and 42 are used for GPS on this version it would seem using those pins, though drop in compatible with the V3 board, would render the GNSS socket unusable unless one used the inconvenient OLED pins on the forward edge of the board.
63 lines
2.1 KiB
C
63 lines
2.1 KiB
C
#define LED_PIN 35
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#define USE_SSD1306 // Heltec_v4 has an SSD1315 display (compatible with SSD1306 driver)
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#define RESET_OLED 21
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#define I2C_SDA 17 // I2C pins for this board
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#define I2C_SCL 18
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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 36 // 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 HIGH
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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 TCXO 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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#define USE_GC1109_PA // We have a GC1109 power amplifier+attenuator
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#define LORA_PA_POWER 7 // power en
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#define LORA_PA_EN 2
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#define LORA_PA_TX_EN 46 // enable tx
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/*
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* GPS pins
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*/
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#define GPS_L76K
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#define PIN_GPS_RESET (42) // An output to reset L76K GPS. As per datasheet, low for > 100ms will reset the L76K
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#define GPS_RESET_MODE LOW
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#define PIN_GPS_EN (34)
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#define GPS_EN_ACTIVE LOW
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#define PERIPHERAL_WARMUP_MS 1000 // Make sure I2C QuickLink has stable power before continuing
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#define PIN_GPS_STANDBY (40) // An output to wake GPS, low means allow sleep, high means force wake
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#define PIN_GPS_PPS (41)
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// Seems to be missing on this new board
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#define GPS_TX_PIN (38) // This is for bits going TOWARDS the CPU
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#define GPS_RX_PIN (39) // This is for bits going TOWARDS the GPS
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#define GPS_THREAD_INTERVAL 50 |