Sample code

package mainimport ("log""os""github.com/lab5e/at/n211")const baudRate = 9600func main() {if len(os.Args) < 2 {log.Fatalf("Usage %s <serial device>", os.Args[0])}device := n211.New(os.Args[1], baudRate)if err := device.Start(); err != nil {log.Fatalf("Error opening device: %v", err)}defer device.Close()// Turn on debugging so you can see the interaction with the devicedevice.SetDebug(true)// Just send a blank AT command to verify the device is thereif err := device.AT(); err != nil {log.Fatalf("Error speaking to device on '%s': %v", os.Args[1], err)}log.Printf("Device seems to be responsive")}