[ARM] 5323/1: Remove outdated empeg documentation.

The documents aren't particularly useful anyway and the hardware in
question has never run anything newer than a v2.2.14 kernel to my
knowledge.

Signed-off-by: Mike Crowe <mac@mcrowe.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Mike Crowe 2008-10-27 13:52:49 +01:00 committed by Russell King
parent 9624dfe616
commit 27f680adc6
3 changed files with 0 additions and 73 deletions

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Empeg, Ltd's Empeg MP3 Car Audio Player
The initial design is to go in your car, but you can use it at home, on a
boat... almost anywhere. The principle is to store CD-quality music using
MPEG technology onto a hard disk in the unit, and use the power of the
embedded computer to serve up the music you want.
For more details, see:
http://www.empeg.com

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Infra-red driver documentation.
Mike Crowe <mac@empeg.com>
(C) Empeg Ltd 1999
Not a lot here yet :-)
The Kenwood KCA-R6A remote control generates a sequence like the following:
Go low for approx 16T (Around 9000us)
Go high for approx 8T (Around 4000us)
Go low for less than 2T (Around 750us)
For each of the 32 bits
Go high for more than 2T (Around 1500us) == 1
Go high for less than T (Around 400us) == 0
Go low for less than 2T (Around 750us)
Rather than repeat a signal when the button is held down certain buttons
generate the following code to indicate repetition.
Go low for approx 16T
Go high for approx 4T
Go low for less than 2T
(By removing the <2T from the start of the sequence and placing at the end
it can be considered a stop bit but I found it easier to deal with it at
the start).
The 32 bits are encoded as XxYy where x and y are the actual data values
while X and Y are the logical inverses of the associated data values. Using
LSB first yields sensible codes for the numbers.
All codes are of the form b9xx
The numeric keys generate the code 0x where x is the number pressed.
Tuner 1c
Tape 1d
CD 1e
CD-MD-CH 1f
Track- 0a
Track+ 0b
Rewind 0c
FF 0d
DNPP 5e
Play/Pause 0e
Vol+ 14
Vol- 15

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#!/bin/sh
mknod /dev/display c 244 0
mknod /dev/ir c 242 0
mknod /dev/usb0 c 243 0
mknod /dev/audio c 245 4
mknod /dev/dsp c 245 3
mknod /dev/mixer c 245 0
mknod /dev/empeg_state c 246 0
mknod /dev/radio0 c 81 64
ln -sf radio0 radio
ln -sf usb0 usb