SAMV71 Xplained Ultra Software Package 1.4

Windows Driver Update For Composite

The composite device is generally supported by Microsoft windows, but some patches are needed for muti-interface functions such as CDC & Audio. The example composite devices are tested under windows XP (SP3). For CDC serial port, additional windows driver file (CompositeCDCSerial.inf) can be found at at91lib\usb\device\composite\drv\CompositeCDCSerial.inf.

The following is alternate update to fix the composite device support on windows XP:

Install Windows Service Pack 3 (SP3)

All the fixes for USB generic driver are included in window XP service pack 3. It can be found at http://technet.microsoft.com/zh-cn/windows/bb794714(en-us).aspx.

Install Windows Hot Fixes

Two hot fixes are necessary for window to recognize the composite device correctly:

  1. http://support.microsoft.com/kb/814560
  2. http://support.microsoft.com/kb/918365
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