[linrad] Re: DSP24VE audio supported in ALSA - how to configure parallel audio cards?

[Ramiro Aceves <ea1abz@xxxxxxxxxx>]

If you are using this guide and new Linrad and svgalib are released, you 
can use the "links" text mode WEB browser to surf the Internet and 
search for the new file locations.

For example

$ links http://www.google.com

will start the links text mode browser.


Install nasm package from the debian servers:

# apt-get install nasm



Now, there is a little issue that I found. For compiling svgalib_helper
module, we need the kernel headers. So we will install the package
kernel-headers-2.6.8-2-386. I do not understand why there is NOT a
kernel-headers-2.6.8-1-386 file, to mach the kernel-image-2.6.8-1-386
that was installed by Debian. So, I also installed the matching kernel 
image.

install the headers:

# apt-get install kernel-headers-2.6.8-2-386

and the kernel image that matches with the headers:

#apt-get install kernel-image-2.6.8-2-386

when it asks you "do you want to stop now?--->  SAY "N" and continue.

NOTE: As I do not use any boot loader for my experimental debian setup 
(I boot
if from my other Debian machine) , I can not confirm it, but the new
kernel-image install should modify your grub setting to point to the new
kernel version. If it is not the case, modify /boot/grub/menu.1st to 
point to the new kernel image and initrd image version.
(I would like that someone could verify this)

Now reboot to use the new kernel:

# reboot

When booted, verify that the command:

$ uname -a

gives the 2.6.8-2 version.

Now it is time to install ALSA stuff:

#apt-get install alsa-utils alsa-oss

Note that alsa-utils will install alsa-base as a dependency. Alsa-base 
will prevent from loading the OSS and ALSA drivers at the same
time. (debian uses the "hotplug" and "discover" to do it at boot time).
When installing alsa-base it modifies the "discover" behaviour to
exclude the OSS sound drivers. /etc/discover.d/)

Reboot again just to see everything works.


(This could be really not needed, but it is better to do it to check 
that OSS drivers are unloaded. In my case, before installing ALSA, there 
were OSS and ALSA drivers for my sound card loaded at the same time.

# reboot

Configure the sound card with the "alsaconf" utility. It is very
intuitive to choose your sound card. It will detect it automagically.:

# alsaconf

We are ready to compile svgalib:

Go to the directory in with you have downloaded the sources.


# tar xfvz svgalib-1.9.20
# cd svgalib-1.9.20
# make install
# make demoprogs
# cd demos
# depmod -a

load the svgalib_helper module manually:

# modprobe svgalib_helper

run the test program to see if svgalib works:

# ./vgatest

if it does not work, you should edit /etc/vga/libvga.config file to match
your hardware, but It should do it automatically.


lets test your mouse setup:

#./mousetest

and move your mouse and click  the buttons to see if it works
If it does not work, you have to edit the config file 
/etc/vga/libvga.config and choose your mouse type and mouse device. In 
my case, I commented "mouse Microsoft" and  uncommented "mouse PS2". I 
also changed "/dev/ttyS0" for "/dev/psaux" to point my right mouse PS2 
device.

Now it is ttime to compile Linrad:
Go to your home directory:

$ cd

uncompress the source:

# tar xfvj lir01-33.tbz
# cd linrad-01.33
# ./configure
# make

Note that svgalib_helper module was loaded before.
if not, you can use

#modprobe svgalib_helper

to load it

Run linrad

# ./linrad

and follow Leif directions.

#rmmod svgalib_helper

will unload that module from memory.

You can write a simple bash script and locate it on your linrad 
directory. Call it for example, "runlinrad" and "chmod 755 runlinrad" to 
make it executable.

************************
#!/bin/bash
# script to load module, run linrad, and unload module.
modprobe svgalib_helper
./linrad
rmmod svgalib_helper
************************

So you only need to invoque that script to run Linrad:

./runlinrad

That is all.

Please send me any comments, corrections or suggestions. I will also 
appreciate that you correct my english ;-)

Leif, if possible, I would like to see this guide published somewhere in 
your web page to help Debian hams to setup Linrad.

Thank you very much.

73, Ramiro. EA1ABZ.







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