func writeToTelescope(s *serial.Port, channel chan []byte) {
for {
data := <-channel
fmt.Println(data)
s.Write(data)
s.Flush()
}
}
func sendCommand(p *serial.Port, command string, waitForOk bool) string {
log.Println("--- SendCommand: ", command)
var status string = ""
p.Flush()
_, err := p.Write([]byte(command))
if err != nil {
log.Fatal(err)
}
buf := make([]byte, 32)
var loop int = 1
if waitForOk {
loop = 10
}
for i := 0; i < loop; i++ {
// ignoring error as EOF raises error on Linux
n, _ := p.Read(buf)
if n > 0 {
status = string(buf[:n])
log.Printf("SendCommand: rcvd %d bytes: %s\n", n, status)
if strings.HasSuffix(status, "OK\r\n") || strings.HasSuffix(status, "ERROR\r\n") {
break
}
}
}
return status
}