From: Bill Gatliff <bgat@billgatliff.com>
To: Dave Hylands <dhylands@gmail.com>
Cc: Remy Bohmer <linux@bohmer.net>, Jon Smirl <jonsmirl@gmail.com>,
ARM Linux Mailing List <linux-arm-kernel@lists.arm.linux.org.uk>,
lkml <linux-kernel@vger.kernel.org>
Subject: Re: Toggling GPIO at 38Khz
Date: Wed, 08 Oct 2008 21:26:45 -0500 [thread overview]
Message-ID: <48ED6BE5.30908@billgatliff.com> (raw)
In-Reply-To: <c32efac40810081524q15b0a747oe49de0cf0a2aa2e2@mail.gmail.com>
Dave Hylands wrote:
> You could also do something similar if you have a SPI interface. Just
> set the clock to the right frequency and use the bits sent out to
> generate your pulses.
Good point. I have seen that very thing done before, albeit for something other
than IRDA. SPI is particularly nice for that, because you don't have to deal
with the start/stop bits imposed by UART protocols.
b.g.
--
Bill Gatliff
bgat@billgatliff.com
next prev parent reply other threads:[~2008-10-09 2:26 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-08 3:43 Toggling GPIO at 38Khz Jon Smirl
2008-10-08 6:40 ` Eric Miao
2008-10-09 8:38 ` Andy Green
2008-10-08 12:01 ` Bill Gatliff
2008-10-08 13:06 ` Jon Smirl
2008-10-08 17:00 ` Chris Friesen
2008-10-08 21:58 ` Krzysztof Halasa
2008-10-08 18:57 ` Remy Bohmer
2008-10-08 22:24 ` Dave Hylands
2008-10-09 2:26 ` Bill Gatliff [this message]
2008-10-09 17:53 ` linux-os (Dick Johnson)
[not found] <bkydL-21G-5@gated-at.bofh.it>
2008-10-08 12:15 ` Bodo Eggert
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