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Re: sBitx DE v2 lost audio loopback


 

Hi Ashhar,

So, reinstalled from scratch, starting from RaspOS 64-bit Bullseye Lite. Just compiled by hand WiringPI:


All the rest via apt-get... I got it working! Everything! So the software runs without problem in 64-bit! I'm not sure why first time did not work, but anyway, made a simple clean install, set the config.txt, snd-aloop and alsa setup - all working!

All I installed (many stuff for my use, but anyway... can be useful as reference):

??????? apt-get -y install uucp \
?? ???????? alsa-tools \
??????????? alsa-utils \
??????????? autoconf \
??????????? bash-completion \
??????????? bluez-tools \
??????????? build-essential \
??????????? curl \
??????????? emacs-nox \
??????????? git \
??????????? htop \
??????????? iwatch \
??????????? jq \
??????????? libtool \
??????????? libb64-dev \
??????????? net-tools \
??????????? patch \
??????????? pip \
??????????? python3 \
??????????? python3-pymysql \
??????????? rxvt \
??????????? sudo \
??????????? vim-nox \
??????????? wmaker \
??????????? xterm \
??????????? zlib1g-dev \
??????????? liblzma-dev \
??????????? ffmpeg \
??????????? libmagic-dev \
??????????? imagemagick \
??????????? php-fpm \
??????????? php-cli \
??????????? php-curl \
??????????? php-gd \
??????????? php-mbstring \
??????????? php-mysql \
??????????? php-pear \
??????????? php-soap \
??????????? php-sqlite3 \
??????????? php-xml \
??????????? php-opcache \
??????????? composer \
??????????? mariadb-server \
??????????? inotify-tools \
??????????? tigervnc-standalone-server \
??????????? nginx \
??????????? nodejs \
??????????? hostapd \
??????????? openvpn \
??????????? dnsmasq \
??????????? wireless-regdb \
??????????? wireless-tools \
??????????? wpasupplicant \
??????????? dnsmasq \
??????????? iw \
??????????? yarn \
??????????? bc \
??????????? dkms \
??????????? python3-gps \
??????????? python3-tornado \
??????????? python3-alsaaudio \
??????????? python3-hamlib \
??????????? libc6:armhf \
??????????? libgtk-3-dev \
??????????? libfftw3-3 \
??????????? libfftw3-dev \
??????????? libfftw3-double3 \
??????????? libfftw3-long3 \
??????????? libasound2-dev \
??????????? libncurses-dev \
??????????? sqlite3 \
??????????? libsqlite3-dev \
??????????? ntpstat \
??????????? ntp

Cheers,
Rafael

On 4/19/23 19:38, Ashhar Farhan wrote:
Very interesting, Rafael,
Do you mean you can hear the radio properly and only the spectrum doesn't work on 64 bit os?
- f

On Wed, Apr 19, 2023, 8:54 PM Rafael Diniz <rafael@...> wrote:

Also, I would also not recommend loading snd-aloop from
/etc/rc.local,
but in the through the proper /etc/modules (module to load) and
/etc/modprobe.d/... (for the module options file).

I had no problems with the 32 bits RaspOS / Debian yet. Ashhar, I can
confirm there is some bug in the code running on 64 bits, so that
I get
no spectrum in the sbitx software, I'll try to fix that. Apart of
this
graphical issue (or fft?), everything runs well on 64 bits indeed
(but
nobody needs to be worried about this, as it seems just me am in
64 bit
at this time).

Cheers,
Rafael

On 4/19/23 17:32, Raj vu2zap wrote:
> Evan,
>
> Mine also, sbitx doesnt work at all on some boot ups. power off
using
> rear switch and reboot
>
> generally solves problems.
>
> Sometime I launch 2 instances of sbitx and get a non functional
screen
> then I realize and close
>
> ?one instance and all is well!
>
> On 19-Apr-23 7:45 PM, Evan Hand wrote:
>> To add to Rafael's recommendation to add the noaudio in the
>> config.txt, I have also found that at times I need to shut down
the
>> Sbitx, wait for the current to drop to the normal .3 amps,
disconnect
>> the supply and short the power input pins to the Sbitx for at
least
>> 30 seconds.? I believe there is a capacitor somewhere in the
power to
>> the codec that is not allowing it to reset fully.
>>
>> You should note that I have installed a 2200uF capacitor on the
power
>> input to the Sbitx to overcome some of the 500kH noise that the
mod 2
>> regulator causes.? It may be part of the issue for me. It is still
>> worth a try.
>>
>> 73
>> Evan
>> AC9TU
>
>
>
>
>





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