From: Jonathan Cameron <jic23@cam.ac.uk>
To: "Hennerich, Michael" <Michael.Hennerich@analog.com>
Cc: "linux-iio@vger.kernel.org" <linux-iio@vger.kernel.org>,
"Device-drivers-devel@blackfin.uclinux.org"
<Device-drivers-devel@blackfin.uclinux.org>,
"manuel.stahl@iis.fraunhofer.de" <manuel.stahl@iis.fraunhofer.de>
Subject: Re: [RFC PATCH 0/2] IIO: Filtering - how to handle.
Date: Wed, 05 Oct 2011 09:38:48 +0100 [thread overview]
Message-ID: <4E8C1798.2070003@cam.ac.uk> (raw)
In-Reply-To: <544AC56F16B56944AEC3BD4E3D59177146E73435B5@LIMKCMBX1.ad.analog.com>
On 10/05/11 07:55, Hennerich, Michael wrote:
> Jonathan Cameron wrote on 2011-09-30:
>> Hi All,
>>
>> One big area we have pretty much glossed over so far is devices with
>> controllable hardware filters. This RFC proposes one option for
>> how to handle this. For low pass filters at least, the 3db point
>> seems the obvious choice as it allows us to gloss over exactly
>> what type of filter it is whilst still capturing it's basic
>> property of what it lets through.
>>
>> What do people think?
>
> Looks good. The 3dB cutoff or corner frequency is typically used to describe
> various types of filters: low, high or band (pass/stop).
>
> Documentation?
Indeed. Naughty me ;) Will add for new version.
>
>
>>
>> Jonathan
>>
>> Jonathan Cameron (2):
>> staging:iio: filter description - low pass 3db frequency.
>> staging:iio:imu:adis16400 add control of data filtering.
>> drivers/staging/iio/iio.h | 2 +
>> drivers/staging/iio/imu/adis16400.h | 2 +
>> drivers/staging/iio/imu/adis16400_core.c | 177
>> +++++++++++++++++++++++------ drivers/staging/iio/industrialio-core.c
>> | 2 + 4 files changed, 146 insertions(+), 37 deletions(-)
>
> Greetings,
> Michael
>
> --
> Analog Devices GmbH Wilhelm-Wagenfeld-Str. 6 80807 Muenchen
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>
next prev parent reply other threads:[~2011-10-05 8:30 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-30 10:17 [RFC PATCH 0/2] IIO: Filtering - how to handle Jonathan Cameron
2011-09-30 10:17 ` [PATCH 1/2] staging:iio: filter description - low pass 3db frequency Jonathan Cameron
2011-09-30 10:17 ` [PATCH 2/2] staging:iio:imu:adis16400 add control of data filtering Jonathan Cameron
2011-10-04 12:39 ` [RFC PATCH 0/2] IIO: Filtering - how to handle JohnLM
2011-10-04 14:23 ` Jonathan Cameron
2011-10-06 14:01 ` JohnLM
2011-10-06 14:25 ` Jonathan Cameron
2011-10-05 6:55 ` Hennerich, Michael
2011-10-05 8:38 ` Jonathan Cameron [this message]
2011-10-06 15:40 ` [PATCH] staging:iio:documentation: document filter_low_pass_3db_frequency Jonathan Cameron
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