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README.md first arq ctest 2022-01-04 15:29:51 +01:00
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test_arq_short.py test and ARQ improvements 2022-01-04 23:02:29 +01:00
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test_callback_multimode_rx.py added stream.is_active excepotion 2021-12-21 10:39:07 +01:00
test_callback_multimode_rx_outside.py logging in own thread 2021-12-21 09:25:06 +01:00
test_callback_multimode_tx.py multimode callback TX 2021-12-22 11:19:43 +01:00
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test_pa.py changed folder structure 2021-12-20 11:10:41 +01:00
test_rx.py time meassurement for tests 2022-01-10 10:51:26 +01:00
test_tx.py added option for sending testframes 2021-12-20 15:37:46 +01:00
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README.md

Instructions

  1. Install: 
    cd FreeDATA
mkdir build
cd build
cmake -DCODEC2_BUILD_DIR=$HOME/codec2/build_linux ..
  2. List available tests: 
    ctest -N
Test project /home/david/FreeDATA/build
Test #1: 000_audio_tests
Test #2: 001_highsnr_stdio_audio

Total Tests: 2
  3. Run tests: 
    ctest --output-on-failure
  4. Run tests verbosely: 
    ctest -V

001_HIGHSNR_STDIO_AUDIO TEST SUITE

  1. Install 
    sudo apt update
sudo apt upgrade
sudo apt install git cmake build-essential python3-pip portaudio19-dev python3-pyaudio
pip3 install crcengine
pip3 install threading
  2. Install codec2, and set up the libcodec2.so shared library path, for example 
    export LD_LIBRARY_PATH=${HOME}/codec2/build_linux/src

STDIO tests

Pipes are used to move audio samples from the Tx to Rx:

python3 test_tx.py --mode datac1 --delay 500 --frames 2 --bursts 1 | python3 test_rx.py --mode datac1 --frames 2 --bursts 1

AUDIO test via virtual audio devices

  1. Create virtual audio devices. Note: This command needs to be run again after every reboot

    sudo modprobe snd-aloop index=1,2 enable=1,1 pcm_substreams=1,1 id=CHAT1,CHAT2

  2. Check if devices have been created

     aplay -l

 Karte 0: Intel [HDA Intel], Gerät 0: Generic Analog [Generic Analog]
   Sub-Geräte: 1/1
   Sub-Gerät #0: subdevice #0
 Karte 1: CHAT1 [Loopback], Gerät 0: Loopback PCM [Loopback PCM]
   Sub-Geräte: 1/1
   Sub-Gerät #0: subdevice #0
 Karte 1: CHAT1 [Loopback], Gerät 1: Loopback PCM [Loopback PCM]
   Sub-Geräte: 1/1
   Sub-Gerät #0: subdevice #0
 Karte 2: CHAT2 [Loopback], Gerät 0: Loopback PCM [Loopback PCM]
   Sub-Geräte: 1/1
   Sub-Gerät #0: subdevice #0
 Karte 2: CHAT2 [Loopback], Gerät 1: Loopback PCM [Loopback PCM]
   Sub-Geräte: 1/1
   Sub-Gerät #0: subdevice #0

  3. Determine the audio device number you would like to use:

    python3 test_rx.py --list
<snip>
audiodev:  0 HDA Intel PCH: ALC269VC Analog (hw:0,0)
audiodev:  1 HDA Intel PCH: HDMI 0 (hw:0,3)
audiodev:  2 HDA Intel PCH: HDMI 1 (hw:0,7)
audiodev:  3 HDA Intel PCH: HDMI 2 (hw:0,8)
audiodev:  4 Loopback: PCM (hw:1,0)
audiodev:  5 Loopback: PCM (hw:1,1)
audiodev:  6 Loopback: PCM (hw:2,0)
audiodev:  7 Loopback: PCM (hw:2,1)

    In this case we choose audiodev 4 for the RX and 5 for the Tx.

  4. Start the Rx first, then Tx in separate consoles:

    python3 test_rx.py --mode datac0 --frames 2 --bursts 1 --audiodev 4 --debug
python3 test_tx.py --mode datac0 --frames 2 --bursts 1 --audiodev 5