50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
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// clang-format off
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// upload_speed 921600
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// board heltec_wifi_lora_32_V2
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#ifndef _HELTECV21_H
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#define _HELTECV21_H
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#include <stdint.h>
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// Hardware related definitions for Heltec V2.1 LoRa-32 Board
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// see https://heltec-automation-docs.readthedocs.io/en/latest/esp32/wifi_lora_32/hardware_update_log.html#v2-1
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//#define HAS_BME 1 // Enable BME sensors in general
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//#define HAS_BME680 GPIO_NUM_4, GPIO_NUM_15 // SDA, SCL
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//#define BME680_ADDR BME680_I2C_ADDR_PRIMARY // connect SDIO of BME680 to GND
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//#define HAS_BMP180
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//#define BMP180_ADDR 0x77
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#define HAS_LORA 1 // comment out if device shall not send data via LoRa
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#define CFG_sx1276_radio 1
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#define HAS_DISPLAY 1 // OLED-Display on board
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#define HAS_LED LED_BUILTIN // white LED on board
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#define HAS_BUTTON KEY_BUILTIN // button "PROG" on board
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#define BAT_MEASURE_ADC ADC1_GPIO37_CHANNEL // battery probe GPIO pin
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#define BAT_VOLTAGE_DIVIDER 2 // voltage divider 220k/100k on board
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// switches battery power and Vext, switch logic 0 = on / 1 = off
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#define EXT_POWER_SW Vext
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#define EXT_POWER_ON 0
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// Pins for I2C interface of OLED Display
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#define MY_DISPLAY_SDA SDA_OLED
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#define MY_DISPLAY_SCL SCL_OLED
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#define MY_DISPLAY_RST RST_OLED
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// Pins for LORA chip SPI interface come from board file, we need some
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// additional definitions for LMIC
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#define LORA_IRQ DIO0
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#define LORA_IO1 DIO1
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#define LORA_IO2 DIO2
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#define LORA_SCK SCK
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#define LORA_MISO MISO
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#define LORA_MOSI MOSI
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#define LORA_RST RST_LoRa
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#define LORA_CS SS
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#endif
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