Hi, all:
I am trying to write a EEM usb function driver myself. But I get
confused. Hope someone can help.
EEM specification doesn't declare any specific descriptor, comparing to
CDC Ethernet, which uses an "Union Function Descriptor" and an "Ethernet
Networking Functional Descriptor". I know the "Union Function Descriptor" is
used to combine the Communication Class Interface and the Data Class
Interface, but:
1. why should device pass a MAC address to Host through "Ethernet Networking
Functional Descriptor"? Can usenet.c decide one by itself?
2. EEM doesn't have specific descriptor, so how could host control those
broadcast and power filters?
3. I don't need to care about IP address in driver, is it? What I only need
to do is to write a script including "ifconfig usb0 .....", is this right?
But who will act as dhcp server? Device or host?
I know EEM isn't popular, I do it just for study.
Thanks in advance.
Ethan
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