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Fsylvestre/ad7944 #562

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Description

  • Add adi/ad7944.py module
  • Add ad7944 to index.rst
  • Add ad7944 to supported_parts.md
  • Add ad7944 doc stub
  • Add test/ad7944.py test, xml file
  • Add ad7944 to hardware_map.xml

Type of change

Please delete options that are not relevant.

  • New feature (non-breaking change which adds functionality)
  • This change requires a documentation update

How has this been tested?

  • Tested against AD7944, AD7986 and AD7985 eval boards attached to a zedboard.

  • Generalized manual test flow:

install pyadi-iio and dependencies in venv
Start Python interpreter
import adi
Instantiate adc object, e.g. adc = adi.ad7944(uri="ip:10.2.5.203")
Check that adc.rx() succeeds with no warnings or errors
Check sampling frequency with adc.sampling_frequency
Set sampling frequency with adc.sampling_frequency =
Check sampling frequency again with adc.sampling_frequency and confirm change successful

  • Test artifacts for pytest-libiio added as test/test_ad7944.py and run from local machine using e.g.:
    pytest --hw=ad7944 -v test/test_ad7944.py --uri=ip:10.2.5.203
    and
    pytest -v --emu --emu-xml=ad7944.xml test/test_ad7944.py

Test Configuration:

Hardware: Zedboard + EVAL-AD7944FMCZ/EVAL_AD7944_85_86FMCZ

OS:

PRETTY_NAME="Kuiper GNU/Linux 11.2 (bullseye)"
NAME="Kuiper GNU/Linux"
VERSION_ID="11.2"
VERSION="11.2 (bullseye)"
VERSION_CODENAME=bullseye
ID=raspbian
ID_LIKE=debian
HOME_URL="https://github.com/analogdevicesinc/adi-kuiper-gen"
SUPPORT_URL="https://ez.analog.com/linux-software-drivers/"

root@zed-2:~# uname -r
6.1.0-adi-22811-gd73dba4315e6

Documentation

Added:

  • doc/source/devices/adi.ad7944.rst

Updated:

  • doc/source/devices/index.rst
  • supported_parts.md

Checklist:

  • My code follows the style guidelines of this project
  • I have performed a self-review of my own code
  • I have commented my code, particularly in hard-to-understand areas
  • I have signed off all commits and they contain "Signed-off by: "
  • I have made corresponding changes to the documentation
  • My changes generate no new warnings
  • I have added tests that prove my fix is effective or that my feature works
  • New and existing unit tests pass locally with my changes
  • Any dependent changes have been merged and published in downstream modules

threexc and others added 5 commits May 16, 2024 11:58
- Add adi/ad7944.py module
- Add ad7944 to index.rst
- Add ad7944 to supported_parts.md
- Add ad7944 doc stub
- Add test/ad7944.py test, xml file
- Add ad7944 to hardware_map.xml

Signed-off-by: Trevor Gamblin <tgamblin@baylibre.com>
Signed-off-by: Florian Sylvestre <fsylvestre@baylibre.com>
Signed-off-by: Trevor Gamblin <tgamblin@baylibre.com>
Signed-off-by: Trevor Gamblin <tgamblin@baylibre.com>
Signed-off-by: Florian Sylvestre <fsylvestre@baylibre.com>
Signed-off-by: Trevor Gamblin <tgamblin@baylibre.com>
Signed-off-by: Florian Sylvestre <fsylvestre@baylibre.com>
_device_name = ""
_rx_data_type = np.uint16

_rx_channel_names = []
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This need to be reset to [] in the init or just defined by the init. Class properties act like static properties, so using multiple instances will cause undesired behavior


if not self._ctrl:
raise Exception(f"Error in selecting matching device {device_name}")

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Please add a check for self._ctrl as well

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Do you mean self._trigger ?

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Sorry, meant self._rxadc

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In this case I don't get it as self._rxadc = self._ctrl, so if self._ctrl is not None it's the same for self._rxadc. No?

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Generally good :) Just some minor tweaks.

Thanks for the contribution!

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3 participants