// +build ignore package main import ( "fmt" "github.com/kidoman/embd" _ "github.com/kidoman/embd/host/all" ) func main() { if err := embd.InitSPI(); err != nil { panic(err) } defer embd.CloseSPI() spiBus := embd.NewSPIBus(embd.SPIMode0, 0, 1000000, 8, 0) defer spiBus.Close() dataBuf := [3]uint8{1, 2, 3} if err := spiBus.TransferAndReceiveData(dataBuf[:]); err != nil { panic(err) } fmt.Println("received data is:", dataBuf) dataReceived, err := spiBus.ReceiveData(3) if err != nil { panic(err) } fmt.Println("received data is:", dataReceived) dataByte := byte(1) receivedByte, err := spiBus.TransferAndReceiveByte(dataByte) if err != nil { panic(err) } fmt.Println("received byte is:", receivedByte) receivedByte, err = spiBus.ReceiveByte() if err != nil { panic(err) } fmt.Println("received byte is:", receivedByte) }