added isochronous modus

internal/usb/enumerate_linux.go

@@ -127,12 +127,55 @@ func readInterfaces(sysPath, busID string) []Interface {
 			iface.Driver = filepath.Base(driverLink)
 		}
 
+		// Read endpoints
+		iface.Endpoints = readEndpoints(ifacePath)
+
 		ifaces = append(ifaces, iface)
 	}
 
 	return ifaces
 }
 
+func readEndpoints(ifacePath string) []Endpoint {
+	entries, err := os.ReadDir(ifacePath)
+	if err != nil {
+		return nil
+	}
+
+	var eps []Endpoint
+	for _, entry := range entries {
+		name := entry.Name()
+		if !strings.HasPrefix(name, "ep_") || name == "ep_00" {
+			continue
+		}
+
+		epPath := filepath.Join(ifacePath, name)
+		addr, _ := strconv.ParseUint(readString(epPath, "bEndpointAddress"), 16, 8)
+
+		var transferType uint8
+		switch readString(epPath, "type") {
+		case "Control":
+			transferType = TransferTypeControl
+		case "Isoc":
+			transferType = TransferTypeIsochronous
+		case "Bulk":
+			transferType = TransferTypeBulk
+		case "Interrupt":
+			transferType = TransferTypeInterrupt
+		}
+
+		maxPkt := readUint32(epPath, "wMaxPacketSize")
+
+		eps = append(eps, Endpoint{
+			Address:       uint8(addr),
+			TransferType:  transferType,
+			MaxPacketSize: uint16(maxPkt),
+		})
+	}
+
+	return eps
+}
+
 func readString(dir, attr string) string {
 	data, err := os.ReadFile(filepath.Join(dir, attr))
 	if err != nil {