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pyocd-pemicro's Introduction

Python PyOCD_PEMicro plugin debug probes support

The simple PyOCD debug probe plugin for PEMicro debug probes - Multilink/FX, Cyclone/FX. The purpose of this plugin is keep separately this support because is using PyPemicro package which is designed for Python 3.x without backward compatibility for Python2.x. The PyOCD use this support only with Python 3.x and higher, for Python 2.x the PeMicro won't be supported.

The package is tested only with Multilink/FX and Cyclone/FX probes on NXP ARM microcontrollers.

The PEMicro company helps with this development, so big Thanks to them (www.pemicro.com).

Author: Petr Gargulak, [email protected] (NXP 2020, www.nxp.com)

Note

This package is just plugin to full PyOCD package - It doesn't work standalone!

Dependencies

six pypemicro logging time

Installation

Directly from www.pypi.org:

    $ pip install pyocd_pemicro

pyocd-pemicro's People

Contributors

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Stargazers

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Watchers

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pyocd-pemicro's Issues

AttributeError: 'PEMicroException' object has no attribute 'message'

As pypemicro package has removed the message field in the latest version 0.1.6, the current version of pyocd-pemicro can't catch specific exceptions and being now installed by default it always fails pyocd on the system without libraries @flit :

:#sudo pyocd list
0001632:CRITICAL:__main__:uncaught exception: 'PEMicroException' object has no attribute 'message'
Traceback (most recent call last):
  File "/usr/local/lib/python3.7/dist-packages/pypemicro/pemicro.py", line 403, in get_pemicro_lib
    filename = PyPemicro.get_newest_lib_filename(libs_list)
  File "/usr/local/lib/python3.7/dist-packages/pypemicro/pemicro.py", line 381, in get_newest_lib_filename
    raise PEMicroException("Unable to find any usable library in the system!")
pypemicro.pemicro.PEMicroException: Unable to find any usable library in the system!

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.7/dist-packages/pypemicro/pemicro.py", line 419, in list_ports
    lib = PyPemicro.get_pemicro_lib()
  File "/usr/local/lib/python3.7/dist-packages/pypemicro/pemicro.py", line 407, in get_pemicro_lib
    raise PEMicroException(str(exc))
pypemicro.pemicro.PEMicroException: Unable to find any usable library in the system!

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.7/dist-packages/pyocd_pemicro/pemicro_probe.py", line 82, in get_all_connected_probes
    port_list = pemicro.list_ports()
  File "/usr/local/lib/python3.7/dist-packages/pypemicro/pemicro.py", line 421, in list_ports
    raise PEMicroException(str(exc))
pypemicro.pemicro.PEMicroException: Unable to find any usable library in the system!

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.7/dist-packages/pyocd/__main__.py", line 401, in run
    self._COMMANDS[self._args.cmd](self)
  File "/usr/local/lib/python3.7/dist-packages/pyocd/__main__.py", line 461, in do_list
    ConnectHelper.list_connected_probes()
  File "/usr/local/lib/python3.7/dist-packages/pyocd/core/helpers.py", line 109, in list_connected_probes
    allProbes = ConnectHelper.get_all_connected_probes(blocking=False)
  File "/usr/local/lib/python3.7/dist-packages/pyocd/core/helpers.py", line 82, in get_all_connected_probes
    allProbes = DebugProbeAggregator.get_all_connected_probes(unique_id=unique_id)
  File "/usr/local/lib/python3.7/dist-packages/pyocd/probe/aggregator.py", line 64, in get_all_connected_probes
    probes += cls.get_all_connected_probes(unique_id, is_explicit)
  File "/usr/local/lib/python3.7/dist-packages/pyocd_pemicro/pemicro_probe.py", line 89, in get_all_connected_probes
    if cls.NO_LIBRARY_ERR in exc.message:
AttributeError: 'PEMicroException' object has no attribute 'message'

All two instances of if cls.NO_LIBRARY_ERR not in exc.message: has to be replaced.
For example, if cls.NO_LIBRARY_ERR not in str(exc): seems to work.

Exception if PEMicro drivers are not installed

The following exceptions occur if the pyocd-pemicro plugin is installed, but not the PEMicro drivers, and you attempt to run pyocd list.

On macOS 10.15:

0000705:CRITICAL:__main__:uncaught exception: dlopen(unitacmp-64.dylib, 6): image not found
Traceback (most recent call last):
  File "/Volumes/projects/pyOCD-flit/pyocd/__main__.py", line 398, in run
    self._COMMANDS[self._args.cmd](self)
  File "/Volumes/projects/pyOCD-flit/pyocd/__main__.py", line 458, in do_list
    ConnectHelper.list_connected_probes()
  File "/Volumes/projects/pyOCD-flit/pyocd/core/helpers.py", line 109, in list_connected_probes
    allProbes = ConnectHelper.get_all_connected_probes(blocking=False)
  File "/Volumes/projects/pyOCD-flit/pyocd/core/helpers.py", line 82, in get_all_connected_probes
    allProbes = DebugProbeAggregator.get_all_connected_probes(unique_id=unique_id)
  File "/Volumes/projects/pyOCD-flit/pyocd/probe/aggregator.py", line 64, in get_all_connected_probes
    probes += cls.get_all_connected_probes(unique_id, is_explicit)
  File "/Volumes/projects/pyOCD-flit/venv/mac39/lib/python3.9/site-packages/pyocd_pemicro/pemicro_probe.py", line 78, in get_all_connected_probes
    port_list = pemicro.list_ports()
  File "/Volumes/projects/pyOCD-flit/venv/mac39/lib/python3.9/site-packages/pypemicro/pemicro.py", line 423, in list_ports
    lib = PyPemicro.get_pemicro_lib()
  File "/Volumes/projects/pyOCD-flit/venv/mac39/lib/python3.9/site-packages/pypemicro/pemicro.py", line 405, in get_pemicro_lib
    libs_list = PyPemicro.get_pemicro_lib_list(dllpath=dllpath)
  File "/Volumes/projects/pyOCD-flit/venv/mac39/lib/python3.9/site-packages/pypemicro/pemicro.py", line 162, in get_pemicro_lib_list
    library_dlls.append(PyPemicro._load_pemicro_lib_info("", lib_name))
  File "/Volumes/projects/pyOCD-flit/venv/mac39/lib/python3.9/site-packages/pypemicro/pemicro.py", line 124, in _load_pemicro_lib_info
    dll = cdll.LoadLibrary(os.path.join(dll_path, lib_name))
  File "/usr/local/Cellar/[email protected]/3.9.0_1/Frameworks/Python.framework/Versions/3.9/lib/python3.9/ctypes/__init__.py", line 452, in LoadLibrary
    return self._dlltype(name)
  File "/usr/local/Cellar/[email protected]/3.9.0_1/Frameworks/Python.framework/Versions/3.9/lib/python3.9/ctypes/__init__.py", line 374, in __init__
    self._handle = _dlopen(self._name, mode)
OSError: dlopen(unitacmp-64.dylib, 6): image not found

RaspberryPi looks similar with a slightly different error message:

0002117:CRITICAL:__main__:uncaught exception: unitacmp-64.so: cannot open shared object file: No such file or directory

FreeBSD/*BSD detection

I have encountered FreeBSD OS detection. Will provide a fix soon :-)

(venv37zephyr) pyocd list
0001563:CRITICAL:__main__:Unable to determinate running operation system (FreeBSD)
Traceback (most recent call last):
  File "/home/x/usr/local/venv37zephyr/lib/python3.7/site-packages/pypemicro/pemicro.py", line 401, in get_pemicro_lib
    libs_list = PyPemicro.get_pemicro_lib_list(dllpath=dllpath)
  File "/home/x/usr/local/venv37zephyr/lib/python3.7/site-packages/pypemicro/pemicro.py", line 142, in get_pemicro_lib_list
    lib_name = PyPemicro.get_library_name()
  File "/home/x/usr/local/venv37zephyr/lib/python3.7/site-packages/pypemicro/pemicro.py", line 99, in get_library_name
    raise PEMicroException(f"Unable to determinate running operation system ({system_name})")
pypemicro.pemicro.PEMicroException: Unable to determinate running operation system (FreeBSD)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/x/usr/local/venv37zephyr/lib/python3.7/site-packages/pypemicro/pemicro.py", line 419, in list_ports
    lib = PyPemicro.get_pemicro_lib()
  File "/home/x/usr/local/venv37zephyr/lib/python3.7/site-packages/pypemicro/pemicro.py", line 407, in get_pemicro_lib
    raise PEMicroException(str(exc))
pypemicro.pemicro.PEMicroException: Unable to determinate running operation system (FreeBSD)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/x/usr/local/venv37zephyr/lib/python3.7/site-packages/pyocd_pemicro-1.0.4-py3.7.egg/pyocd_pemicro/pemicro_probe.py", line 81, in get_all_connected_probes
    port_list = pemicro.list_ports()
  File "/home/x/usr/local/venv37zephyr/lib/python3.7/site-packages/pypemicro/pemicro.py", line 421, in list_ports
    raise PEMicroException(str(exc))
pypemicro.pemicro.PEMicroException: Unable to determinate running operation system (FreeBSD)

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/home/x/usr/local/venv37zephyr/lib/python3.7/site-packages/pyocd-0.30.4.dev31-py3.7.egg/pyocd/__main__.py", line 150, in run
    status = cmd.invoke()
  File "/home/x/usr/local/venv37zephyr/lib/python3.7/site-packages/pyocd-0.30.4.dev31-py3.7.egg/pyocd/subcommands/list_cmd.py", line 93, in invoke
    ConnectHelper.list_connected_probes()
  File "/home/x/usr/local/venv37zephyr/lib/python3.7/site-packages/pyocd-0.30.4.dev31-py3.7.egg/pyocd/core/helpers.py", line 109, in list_connected_probes
    allProbes = ConnectHelper.get_all_connected_probes(blocking=False)
  File "/home/x/usr/local/venv37zephyr/lib/python3.7/site-packages/pyocd-0.30.4.dev31-py3.7.egg/pyocd/core/helpers.py", line 82, in get_all_connected_probes
    allProbes = DebugProbeAggregator.get_all_connected_probes(unique_id=unique_id)
  File "/home/x/usr/local/venv37zephyr/lib/python3.7/site-packages/pyocd-0.30.4.dev31-py3.7.egg/pyocd/probe/aggregator.py", line 64, in get_all_connected_probes
    probes += cls.get_all_connected_probes(unique_id, is_explicit)
  File "/home/x/usr/local/venv37zephyr/lib/python3.7/site-packages/pyocd_pemicro-1.0.4-py3.7.egg/pyocd_pemicro/pemicro_probe.py", line 90, in get_all_connected_probes
    raise cls._convert_exception(exc) from exc
pyocd.core.exceptions.ProbeError: Unable to determinate running operation system (FreeBSD)

Avoid pinning versions of dependencies

Hi! I'm currently trying to package this for Arch Linux (for packaging pyocd).

When looking at your package requirements, it shows that the requirement on pypemicro is pinned to 0.1.7.
This is problematic in the context of system package management where only one package version is allowed (downstream distributions will remove this strict requirement). Is there a particular reason for it to be there?

Somewhat related: It seems as if the pypemicro project is currently not very transparent about which commit in the project repository let to what release on pypi.org.

Also somewhat related: The information on the requirements in the README are outdated and probably should not be there.

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