Output cleanup

lsusb/.gitignore

@@ -0,0 +1 @@
+lsusb

lsusb/main.go

@@ -0,0 +1,72 @@
+package main
+
+import (
+	"fmt"
+	"flag"
+	"log"
+
+	"github.com/kylelemons/gousb/usb"
+	"github.com/kylelemons/gousb/usbid"
+)
+
+var (
+	ctx = usb.NewContext()
+)
+
+var (
+	debug = flag.Int("debug", 0, "libusb debug level (0..3)")
+)
+
+func main() {
+	flag.Parse()
+	ctx.Debug(*debug)
+
+	devs, err := ctx.ListDevices(func(bus, addr int, desc *usb.Descriptor) bool { return true })
+	defer func() {
+		for _, d := range devs {
+			d.Close()
+		}
+	}()
+	if err != nil {
+		log.Fatalf("list: %s", err)
+	}
+
+	for _, dev := range devs {
+		desc, err := dev.Descriptor()
+		if err != nil {
+			log.Printf("desc: %s", err)
+			continue
+		}
+		bus := dev.BusNumber()
+		addr := dev.Address()
+
+		fmt.Printf("%03d:%03d %s\n", bus, addr, usbid.Describe(desc))
+		fmt.Printf("  Protocol: %s\n", usbid.Classify(desc))
+
+		cfgs, err := dev.Configurations()
+		defer func() {
+			for _, cfg := range cfgs {
+				cfg.Close()
+			}
+		}()
+		if err != nil {
+			log.Printf("  - configs: %s", err)
+			continue
+		}
+
+		for _, cfg := range cfgs {
+			fmt.Printf("  %s:\n", cfg)
+			for _, alt := range cfg.Interfaces {
+				fmt.Printf("    --------------\n")
+				for _, iface := range alt {
+					fmt.Printf("    %s\n", iface)
+					fmt.Printf("      %s\n", usbid.Classify(iface))
+					for _, end := range iface.Endpoints {
+						fmt.Printf("      %s\n", end)
+					}
+				}
+			}
+			fmt.Printf("    --------------\n")
+		}
+	}
+}