From: Xiaofan Chen <xiaofanc@gmail.com>
To: Alan Ott <alan@signal11.us>
Cc: Amit Nagal <helloin.amit@gmail.com>,
Jiri Kosina <jkosina@suse.cz>,
linux-usb@vger.kernel.org, linux-input@vger.kernel.org,
Antonio Ospite <ospite@studenti.unina.it>
Subject: Re: Report ID problem with HID-RAW interface usage
Date: Wed, 30 Jun 2010 21:04:59 +0800 [thread overview]
Message-ID: <AANLkTilzYu3mA3vDzuVyxngTcltgKEoNKYrdenz1Z-VG@mail.gmail.com> (raw)
In-Reply-To: <4C2B3E6B.7060703@signal11.us>
On Wed, Jun 30, 2010 at 8:54 PM, Alan Ott <alan@signal11.us> wrote:
> Is that what you're asking for, or are you asking for something which will
> tell you which reports are _available_ on the device, and what their lengths
> are? There is currently no way to report which reports are _available_. As
> Jiri said, HIDRAW does not do any parsing of the report descriptor. All data
> is passed "raw" from the user application to the device.
>
> If you know what type of device you are talking to, then you shouldn't
> really need to parse the descriptor in software, because you'll know what
> the device supports, right?
>
Sorry I do not know much about hidraw. However, if HIDraw is so
"raw", what are the benefits of HIDRAW compared to using libusb?
Then there is also libhid which is on top of libusb.
--
Xiaofan
next prev parent reply other threads:[~2010-06-30 13:05 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-29 11:10 Report ID problem with HID-RAW interface usage Amit Nagal
[not found] ` <AANLkTinrmRsB39gj7Ie4xCr3fhP3jU1dfYuVrkiKv347-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-06-29 16:30 ` Alan Ott
2010-06-29 23:32 ` Xiaofan Chen
2010-06-30 7:39 ` Amit Nagal
2010-06-30 7:56 ` Amit Nagal
2010-06-30 7:57 ` Jiri Kosina
[not found] ` <4C2A1FA0.6020704-yzvJWuRpmD1zbRFIqnYvSA@public.gmane.org>
2010-06-30 9:26 ` Jiri Kosina
2010-06-30 10:30 ` Amit Nagal
[not found] ` <AANLkTilf1JU_GPlqE-FeaRon6IMqgA68WZ964PJfLpSP-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-06-30 10:55 ` Jiri Kosina
2010-06-30 11:14 ` Amit Nagal
2010-06-30 12:54 ` Alan Ott
2010-06-30 13:04 ` Xiaofan Chen [this message]
2010-06-30 13:06 ` Jiri Kosina
2010-06-30 14:09 ` Xiaofan Chen
[not found] ` <AANLkTil0S747k-MomthJW4dv2WwB-abjZmGmxf3fH59y-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-06-30 14:32 ` Alan Ott
2010-06-30 23:33 ` Xiaofan Chen
2010-06-30 13:13 ` Antonio Ospite
2010-06-30 14:02 ` Xiaofan Chen
2010-06-30 14:10 ` Alan Ott
2010-06-30 14:16 ` Antonio Ospite
2010-06-30 16:40 ` Amit Nagal
[not found] ` <AANLkTimb_xMYTZYAm51lmHEkYvrvegwbmkUyJldxYA-f-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-07-01 2:40 ` Xiaofan Chen
2010-07-01 13:16 ` Alan Ott
2010-07-02 6:46 ` Amit Nagal
[not found] ` <AANLkTilFyRjuP4VUmJolYhloDol5B7HsYV9d5SD8vZPo-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-07-02 15:05 ` Alan Ott
[not found] ` <4C2E0057.30206-yzvJWuRpmD1zbRFIqnYvSA@public.gmane.org>
2010-07-02 16:19 ` Amit Nagal
[not found] ` <alpine.LNX.2.00.1006301252380.13809-ztGlSCb7Y1iN3ZZ/Hiejyg@public.gmane.org>
2010-06-30 12:32 ` Alan Ott
[not found] ` <4C2B3956.6080107-yzvJWuRpmD1zbRFIqnYvSA@public.gmane.org>
2010-06-30 12:38 ` Jiri Kosina
2010-06-30 13:50 ` [PATCH 0/1] HID: Send Report ID when numbered reports are sent over the control endpoint Alan Ott
2010-06-30 13:50 ` [PATCH 1/1] " Alan Ott
[not found] ` <1277905836-3949-2-git-send-email-alan-yzvJWuRpmD1zbRFIqnYvSA@public.gmane.org>
2010-07-11 21:14 ` Jiri Kosina
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