// Send raw message
func writeToBluetooth(b []byte, n *nxt.NXT) error {
log.Printf("Writing to <%s> message: %v", n, b)
//n.CommandChannel <- nxt.NewDirectCommand(0x09, b, nil)
header := []byte{MessageRequiresResponse, TextMessage}
reader := n.Connection()
_, err := reader.Write(append(header, b...))
if err != nil {
return err
}
reply := nxt.ReplyStatus(<-AckChannel)
log.Println("Status:", reply)
if reply == nxt.Success {
return nil
}
return fmt.Errorf(reply.String())
// replyChannel := make(chan *nxt.ReplyTelegram)
// n.CommandChannel <- nxt.NewDirectCommand(0x09, b, replyChannel)
// reply := <-replyChannel
// log.Println("Immediate reply:", reply)
// if reply.IsSuccess() {
// return nil
// }
// return fmt.Errorf(reply.String())
//return nil
}
// Read raw message
func readFromBluetooth(n *nxt.NXT) ([]byte, int, error) {
res := make([]byte, 64)
reader := n.Connection()
numRead, err := reader.Read(res)
if err != nil {
return nil, 0, err
}
return res, numRead, nil
}
