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From: zhangchun<zhangchun@t...>
Date: Tue Mar 23 10:26:52 CET 2004
Subject: [usb] MAx packet size
Why a 0 byte packet should be responded ?

----- Original Message -----
From: "Zhu Xiaolin" <zhuxl@v...>
To: "Discussion list about free,open source USB IP core" <usb@o...>
Sent: Tuesday, March 23, 2004 3:36 PM
Subject: 答复: [usb] MAx packet size


> No. The device should respond 64 bytes first and then a 0 byte packet.
>
> -----原始邮件-----
> 发件人: usb-bounces@o... [mailto:usb-bounces@o...]代表 P.Ravi
> 发送时间: 2004年3月23日 15:07
> 收件人: usb
> 主题: [usb] MAx packet size
>
>
> Hi
>
> If an endpoint max packet size is 64 bytes and host requests for an in
> transaction( setup packet ) of size 64 bytes,
> is it fine if device responds with 60 bytes and then 4 bytes.( assuming
> each time there will be an IN token from host).
>
> regards
>
>
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