23 lines
1.2 KiB
C
23 lines
1.2 KiB
C
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// Hardware related definitions for TTGO T-Beam board
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#define CFG_sx1276_radio 1 // HPD13A LoRa SoC
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#define HAS_LED 21 // on board green LED_G1
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#//define HAS_LED 22 // on board red LED_G3 ? to be checked
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#define HAS_BATTERY_PROBE ADC1_GPIO35_CHANNEL // battery probe GPIO pin -> ADC1_CHANNEL_7 ? to be checked
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#define BATT_FACTOR 2 // voltage divider 100k/100k on board
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// #define HAS_GPS // to be done
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// GSP serial (9600, SERIAL_8N1, 12, 15); //17-TX 18-RX
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// re-define pin definitions of pins_arduino.h
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#define PIN_SPI_SS 18 // ESP32 GPIO18 (Pin18) -- HPD13A NSS/SEL (Pin4) SPI Chip Select Input
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#define PIN_SPI_MOSI 27 // ESP32 GPIO27 (Pin27) -- HPD13A MOSI/DSI (Pin6) SPI Data Input
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#define PIN_SPI_MISO 19 // ESP32 GPIO19 (Pin19) -- HPD13A MISO/DSO (Pin7) SPI Data Output
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#define PIN_SPI_SCK 5 // ESP32 GPIO5 (Pin5) -- HPD13A SCK (Pin5) SPI Clock Input
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// non arduino pin definitions
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#define RST 14 // connected to ESP32 RST/EN
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#define DIO0 26 // ESP32 GPIO26 <-> HPD13A IO0
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#define DIO1 33 // ESP32 GPIO33 <-> HPDIO1 <-> HPD13A IO1 // !!needs external wiring!!
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#define DIO2 32 // ESP32 GPIO32 <-> HPDIO2 <-> HPD13A IO2 // needs external wiring, but not needed for LoRa
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