Interconnectivity Page 19 of 22
Firmware Programming Guide for PDIUSBD12
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7.8 Set Feature Request
Set Feature request is just the opposite of Clear Feature request. If the recipient is a device, then MCU will need
to set the device's feature according to the feature selector on the setup packet. Again, there is no support for the
Interface recipient. For example, if the feature selector is 0 (which means enabling endpoint), the D12 specific
endpoint will have to be stalled through "D12_SetEndpoint status" command.
Is recipient a device?
Is recipient an
Interface?
Is recipient an
endpoint?
Set device feature
according to
"Feature Selector"
Yes
No
Yes
No
Yes
Unsupported
Command
No
Set endpoint feature
according to
"Feature Selector"
Sent zero length
packet to Host
Set Feature
End Set Feature
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