Mercurial > hg > ucis.core
changeset 96:94df2951d118
USBLib: fix USB string descriptor retrieval
| author | Ivo Smits <Ivo@UCIS.nl> |
|---|---|
| date | Thu, 26 Jun 2014 21:04:20 +0200 |
| parents | ebdff34b9e4f |
| children | d8bd5b4ba4d5 |
| files | USBLib/Descriptor/UsbDescriptor.cs |
| diffstat | 1 files changed, 1 insertions(+), 1 deletions(-) [+] |
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--- a/USBLib/Descriptor/UsbDescriptor.cs Thu Jun 26 18:45:56 2014 +0200 +++ b/USBLib/Descriptor/UsbDescriptor.cs Thu Jun 26 21:04:20 2014 +0200 @@ -48,7 +48,7 @@ return Encoding.Unicode.GetString(buffer, offset + 2, slen - 2); } public static String GetStringFromDevice(IUsbInterface device, byte index, short langId) { - Byte[] buff = new Byte[256]; + Byte[] buff = new Byte[255]; int len = device.GetDescriptor((Byte)UsbDescriptorType.String, index, langId, buff, 0, buff.Length); if (len == 0) return null; return GetString(buff, 0, len);