done

serialPort/get_serial.go

@@ -0,0 +1,23 @@
+package serialPort
+
+import (
+	"io/ioutil"
+	"regexp"
+)
+
+// GetSerialPorts is to list all serial port for Arduino device.
+func GetSerialPorts() ([]string, error) {
+	f, err := ioutil.ReadDir("/dev")
+	if err != nil {
+		return nil, err
+	}
+
+	var fileList []string
+	for _, file := range f {
+		if regexp.MustCompile("^ttyACM([0-9]+)|^cu.usbmodem").MatchString(file.Name()) {
+			fileList = append(fileList, file.Name())
+		}
+	}
+
+	return fileList, nil
+}

serialPort/serialPort_test.go

@@ -0,0 +1,17 @@
+package serialPort
+
+import (
+	"testing"
+)
+
+func TestGetSerialPorts(T *testing.T) {
+	portList, err := GetSerialPorts()
+	if err != nil {
+		T.Error("ERROR: ", err, "\n")
+	}
+	T.Log("Show all serial ports")
+	for _, p := range portList {
+		T.Log("\t", p)
+	}
+}
+