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Subject: Re: PIC12C508A-based remote

Re: PIC12C508A-based remote

From: George Styles <>
Date: Mon, 16 Dec 2002 15:16:59 -0000



as to if there are any other commands available on the Archos, it would seem
like a missed opotunity to not have a few more buttons, and then alter
Rockbox to respond to them. It would be cool if you could turn on/off
shuffle or playlists by remote.


----- Original Message -----
From: "Steve Russell" <>
To: <>
Sent: Monday, December 16, 2002 2:28 PM
Subject: PIC12C508A-based remote

> Well, I finally found some time to work on the remote control I
> mentioned some time ago. I have the unit passing all 6 commands to my
> AJBR20 and it responds as expected to single button presses. Thanks are
> due to Tjerk Schuringa, creator of the original REMOCON clone, and the
> authors of Rockbox for providing most of the information necessary to
> implement the device.
> I've got the hooks in place to modify the baud rate to compensate for
> the wider-than-needed tolerance of the PIC's internal oscillator, but
> haven't yet implemented a mechanism for the user to change it. That
> said, my development '508A works fine with the nominal oscillator
> value.
> According to my calculations, a couple of coin cells should last well
> over a year, maybe two, but I haven't measured the current consumption
> yet, that's something I'll check shortly
> When I'm happy with the design, I'll make it available for others to
> use.
> I do have a couple of questions:
> 1. I'm using a repeat rate (when a button is held depressed), of about
> 144ms. The VolUp and VolDn buttons work well with this setting, but the
> Next and Prev buttons skip many songs, rather than switching to FF or
> REW as do the buttons on the unit itself. This is true of Rockbox 1.4
> and Archos 1.27d code. Would someone who has the Archos remote tell me
> what it does when the Next and Prev keys are held down?
> 2. Are there any other functions made available using the Archos
> remote?
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Received on 2002-12-16

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