github.com/aykevl/tinygo@v0.5.0/src/machine/board_nrf52840-mdk.go (about)

     1  // +build nrf52840_mdk
     2  
     3  package machine
     4  
     5  const HasLowFrequencyCrystal = true
     6  
     7  // LEDs on the nrf52840-mdk (nRF52840 dev board)
     8  const (
     9  	LED       = LED_GREEN
    10  	LED_GREEN = 22
    11  	LED_RED   = 23
    12  	LED_BLUE  = 24
    13  )
    14  
    15  // UART pins
    16  const (
    17  	UART_TX_PIN = 20
    18  	UART_RX_PIN = 19
    19  )
    20  
    21  // I2C pins (unused)
    22  const (
    23  	SDA_PIN = 0xff
    24  	SCL_PIN = 0xff
    25  )
    26  
    27  // SPI pins (unused)
    28  const (
    29  	SPI0_SCK_PIN  = 0
    30  	SPI0_MOSI_PIN = 0
    31  	SPI0_MISO_PIN = 0
    32  )