public static boolean isCdcDevice(UsbDevice device) {
int iIndex = device.getInterfaceCount();
for (int i = 0; i <= iIndex - 1; i++) {
UsbInterface iface = device.getInterface(i);
if (iface.getInterfaceClass() == UsbConstants.USB_CLASS_CDC_DATA) return true;
}
return false;
}
private boolean isCSCID(UsbDevice device) {
if (device.getDeviceClass() == UsbConstants.USB_CLASS_CSCID) return true;
int count = device.getInterfaceCount();
for (int i = 0; i < count; i++) {
UsbInterface iface = device.getInterface(i);
if (iface == null) {
Log.d(TAG, "isCSCID null interface");
continue;
}
Log.d(TAG, "isCSCID iface class:" + iface.getInterfaceClass());
if (iface.getInterfaceClass() == UsbConstants.USB_CLASS_CSCID) {
return true;
}
}
return false;
}
// searches for an adb interface on the given USB device
private static UsbInterface findAdbInterface(UsbDevice device) {
Log.d(TAG, "findAdbInterface " + device);
int count = device.getInterfaceCount();
for (int i = 0; i < count; i++) {
UsbInterface intf = device.getInterface(i);
if (intf.getInterfaceClass() == 255
&& intf.getInterfaceSubclass() == 66
&& intf.getInterfaceProtocol() == 1) {
return intf;
}
}
return null;
}