1------------------------------------------------------------------------------- 2* INFORMATION: * 3------------------------------------------------------------------------------- 4README file for "USBD" USB host controller driver. 5 6created march-june 2014, JPEmbedded (info@jpembedded.eu) 7 8------------------------------------------------------------------------------- 9* KNOWN LIMITATIONS: * 10------------------------------------------------------------------------------- 11- Only first configuration can be selected for attached device 12- Only one device can be handled at a time, no hub functionality 13- Driver assumes that there is no preemption for DDEKit threading 14- URBs are enqueued in DDEKit but not in USBD itself 15- DDEKit way of handling interface numbers is not explicitly defined, bitmask 16 formatting for it, is therefore hardcoded into USBD 17- Waiting for USB0 clock to leave IDLEST.Disable state, by nanosleep, was 18 removed, as this should be implemented for all clocks in clkconf_set 19- Control transfers can only be performed with EP0 20