* add func usb_write&usb_read * rename cnt to err * pass in device handle * use defines for flag values * consistent spaces Co-authored-by: Willem Melching <willem.melching@gmail.com> old-commit-hash: 1da11c26b6df31731a23ff9e622f1589060bd5e6
* add func usb_write&usb_read * rename cnt to err * pass in device handle * use defines for flag values * consistent spaces Co-authored-by: Willem Melching <willem.melching@gmail.com> old-commit-hash: 1da11c26b6df31731a23ff9e622f1589060bd5e6