ESP32-PaxCounter/src/hal/lopy.h

// Hardware related definitions for Pycom LoPy Board (not: LoPy4)

#define CFG_sx1272_radio 1
#define HAS_LED NOT_A_PIN // LoPy4 has no on board LED, so we use RGB LED on LoPy4
#define HAS_RGB_LED GPIO_NUM_0  // WS2812B RGB LED on GPIO0

// !!EXPERIMENTAL - not tested yet!!
// uncomment this only if your LoPy runs on a Pytrack expansion board with GPS
// see http://www.quectel.com/UploadImage/Downlad/Quectel_L76-L_I2C_Application_Note_V1.0.pdf
#define HAS_GPS 1
#define GPS_QUECTEL_L76 GPIO_NUM_25, GPIO_NUM_26 // SDA (P22), SCL (P21)
#define GPS_I2C_ADDRESS_READ 0x21
#define GPS_I2C_ADDRESS_WRITE 0x20
#define HAS_BUTTON GPIO_NUM_37 // (P14)
#define BUTTON_PULLUP 1  // Button need pullup instead of default pulldown

// Hardware pin definitions for Pycom LoPy board
#define PIN_SPI_SS    GPIO_NUM_17
#define PIN_SPI_MOSI  GPIO_NUM_27
#define PIN_SPI_MISO  GPIO_NUM_19
#define PIN_SPI_SCK   GPIO_NUM_5
#define RST   GPIO_NUM_18
#define DIO0  GPIO_NUM_23 // LoRa IRQ
#define DIO1  GPIO_NUM_23 // workaround
#define DIO2  LMIC_UNUSED_PIN

// select WIFI antenna (internal = onboard / external = u.fl socket)
#define HAS_ANTENNA_SWITCH  16      // pin for switching wifi antenna
#define WIFI_ANTENNA 0              // 0 = internal, 1 = external