Added doc for new USB Product field (windows-only)

enumerator/enumerator.go

@@ -18,6 +18,9 @@ type PortDetails struct {
 	SerialNumber string
 
 	// Manufacturer string
+
+	// Product is an OS-dependent string that describes the serial port, it may
+	// be not always available and it may be different across OS.
 	Product string
 }
 

portlist/portlist.go

@@ -15,9 +15,12 @@
 //
 package main
 
-import "fmt"
-import "log"
-import "go.bug.st/serial/enumerator"
+import (
+	"fmt"
+	"log"
+
+	"go.bug.st/serial/enumerator"
+)
 
 func main() {
 	ports, err := enumerator.GetDetailedPortsList()
@@ -29,9 +32,12 @@ func main() {
 	}
 	for _, port := range ports {
 		fmt.Printf("Port: %s\n", port.Name)
+		if port.Product != "" {
+			fmt.Printf("   Product Name: %s\n", port.Product)
+		}
 		if port.IsUSB {
-			fmt.Printf("   USB ID     %s:%s\n", port.VID, port.PID)
-			fmt.Printf("   USB serial %s\n", port.SerialNumber)
+			fmt.Printf("   USB ID      : %s:%s\n", port.VID, port.PID)
+			fmt.Printf("   USB serial  : %s\n", port.SerialNumber)
 		}
 	}
 }