RPIZeroDuplexPOCSAG/rfm69
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

SPI Device with cgo

Browse source
This commit is contained in:
Friedl Ulrich 2015-02-05 21:59:36 +01:00
parent 67daba17ef
commit ea4fca9a65
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
rfm69spi.go
View file

@ -107,7 +107,7 @@ func NewSPIDevice() (*SPIDevice, error) {
func (d *SPIDevice) Xfer(tx []byte) ([]byte, error) { func (d *SPIDevice) Xfer(tx []byte) ([]byte, error) {
length := len(tx) length := len(tx)
rx := make([]byte, length) rx := make([]byte, length)
ret := C.spi_xfer(d.fd, unsafe.Pointer(&tx[0]), unsafe.Pointer(&rx[0]), C.int(length)) ret := C.spi_xfer(d.fd, (*C.char)(unsafe.Pointer(&tx[0])), (*C.char)(unsafe.Pointer(&rx[0])), C.int(length))
if ret < 0 { if ret < 0 {
return nil, errors.New("could not xfer") return nil, errors.New("could not xfer")
} }