29 lines
1.5 KiB
C
29 lines
1.5 KiB
C
// Hardware related definitions for TTGO T-Beam board
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#define HAS_LORA 1 // comment out if device shall not send data via LoRa
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#define HAS_SPI 1 // comment out if device shall not send data via SPI
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#define CFG_sx1276_radio 1 // HPD13A LoRa SoC
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#define BOARD_HAS_PSRAM // use extra 4MB external RAM
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#define HAS_LED GPIO_NUM_21 // on board green LED
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#define HAS_BUTTON GPIO_NUM_39 // on board button "BOOT" (next to reset button)
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#define HAS_BATTERY_PROBE ADC1_GPIO35_CHANNEL // battery probe GPIO pin -> ADC1_CHANNEL_7
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#define BATT_FACTOR 2 // voltage divider 100k/100k on board
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#define HAS_GPS 1 // use on board GPS
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#define GPS_SERIAL 9600, SERIAL_8N1, GPIO_NUM_12, GPIO_NUM_15 // UBlox NEO 6M or 7M with default configuration
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// re-define pin definitions of pins_arduino.h
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#define PIN_SPI_SS GPIO_NUM_18 // ESP32 GPIO18 (Pin18) -- HPD13A NSS/SEL (Pin4) SPI Chip Select Input
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#define PIN_SPI_MOSI GPIO_NUM_27 // ESP32 GPIO27 (Pin27) -- HPD13A MOSI/DSI (Pin6) SPI Data Input
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#define PIN_SPI_MISO GPIO_NUM_19 // ESP32 GPIO19 (Pin19) -- HPD13A MISO/DSO (Pin7) SPI Data Output
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#define PIN_SPI_SCK GPIO_NUM_5 // ESP32 GPIO5 (Pin5) -- HPD13A SCK (Pin5) SPI Clock Input
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// non arduino pin definitions
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#define RST LMIC_UNUSED_PIN // connected to ESP32 RST/EN
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#define DIO0 GPIO_NUM_26 // ESP32 GPIO26 <-> HPD13A IO0
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#define DIO1 GPIO_NUM_32 // Lora1 <-> HPD13A IO1 // !! NEEDS EXTERNAL WIRING !!
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//#define DIO1 GPIO_NUM_33 // Lora1 <-> HPD13A IO1 // for T-Beam T22_V05 only
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#define DIO2 LMIC_UNUSED_PIN // Lora2 <-> HPD13A IO2 // not needed for LoRa
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