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Function RTUFindEndpoint

RTUFindEndpoint returns a pointer to an endpoint descriptor of a specific type and direction:

const RTUEndpointDescriptor *  
   RTUFindEndpoint(const RTUInterfaceDescriptor * Interface, 
                   RTUTransferType                Type, 
                   RTUIODirection                 Direction);

Parameters

Interface

Pointer to an interface descriptor of the interface containing the desired endpoint. If this parameter is NULL, the function always returns NULL.

Type

Transfer type of the endpoint to find. RTUControl, RTUIsochronous, RTUBulk, or RTUInterrupt can be specified. See RTUEndpointType for details.

Direction

Direction of the endpoint to find. RTUSetup, RTUOutput, or RTUInput can be specified. See RTUEndpointDirection for details.

return value

Pointer to the desired endpoint descriptor or NULL if no matching endpoint was found.

Please see RTUGetEndpoint for more information about Endpoint descriptors.

Device Query

Function RTUEndpointInterval

Function RTUGetString