Name

usbmsg_filter — Adds a message class filter to a handler.

Synopsis

extern int usbmsg_filter(usbmsg_handler_t handler, void* pw, usbmsg_class_t msgclass, int enable);

Arguments

handler pointer to message handler as used when registering handler.
pw private word as passed when registering handler.
msgclass message class to apply filter to.
enable 0 to disable filter and 1 to enable.

Description

Adds a message class filter to a handler. Used to enable a handler to only recive messages it wants to process.