Updates to documentation

example_getportlist_test.go

@@ -0,0 +1,26 @@
+//
+// Copyright 2014-2016 Cristian Maglie. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+//
+
+package serial_test
+
+import "fmt"
+import "log"
+import "go.bug.st/serial"
+
+func ExampleGetPortsList() {
+	ports, err := serial.GetPortsList()
+	if err != nil {
+		log.Fatal(err)
+	}
+	if len(ports) == 0 {
+		fmt.Println("No serial ports found!")
+	} else {
+		for _, port := range ports {
+			fmt.Printf("Found port: %v\n", port)
+		}
+	}
+}
+