2010-01-18 05:27:30 Multiple USB device connect support for BF527-Ezkit
Vinay Kumar (INDIA)
BF527 has only one USB OTG support but I need to connect Multiple USB devices(USB Keyboard, mouse and MSD) at a time, as a solution i tried using USB 2.0 4 port hub. Then i tried to detect the usb device using usb start command it detected the usb device but could not detect it as a mass storage device. what might be the problem. plaese help me.
This is error log
bfin> usb start
USB: scanning bus for devices...
USB device not accepting new address (error=2)
3 USB Device(s) found
scanning bus for storage devices... 0 Storage Device(s) found
bfin> usb tree
1 Hub (12MBit/s, 0mA)
| MUSB Root Hub
+-2 Hub (480MBit/s, 100mA)
+-3 See Interface (480MBit/s, 0mA)
2010-01-18 10:07:46 Re: Multiple USB device connect support for BF527-Ezkit
Robin Getz (UNITED STATES)
The as a host, the blackfin USB does not support hubs - it is only for direct connections to devices. It is expected to fail.