SPI Device with cgo

10 years ago · 610f9824a2
parent ea4fca9a65
commit 610f9824a2
1 changed files with 2 additions and 2 deletions
--- a/rfm69device.go
+++ b/rfm69device.go
@ -58,11 +58,11 @@ func (r *Device) readReg(addr byte) (byte, error) {
 	tx[0] = addr & 0x7f
 	tx[1] = 0
 	log.Printf("read %x", addr)
-	err := r.SpiDevice.Xfer(tx)
+	rx, err := r.SpiDevice.Xfer(tx)
 	if err != nil {
 		log.Println(err)
 	}
-	return tx[1], err
+	return rx[1], err
 }

 func (r *Device) setup() error {