Python interface for SEGGER J-Link.
Python interface for the SEGGER J-Link.
Clone the project into a local repository, then navigate to the directory and run:
$ python setup.py install
In order to use this library, you will need to have installed the SEGGER tools. The tools can be installed from the SEGGER website here. This package is compatible with versions of the SEGGER tool >= 6.0b. Download the software under J-Link Software and Documentation Pack for your specific hardware. PyLink will automatically find the library if you have installed it this way, but for best results, you should use one of the two methods listed below depending on your operating system:
# Option A: Copy the library to your libraries directory. $ cp libjlinkarm.dylib /usr/local/lib/ # Option B: Add SEGGER's J-Link directory to your dynamic libraries path. $ export DYLD_LIBRARY_PATH=/Applications/SEGGER/JLink:$DYLD_LIBRARY_PATH
Windows searches for DLLs in the following order:
- The current directory of execution.
- The Windows system directory.
- The Windows directory.
You can copy the JLinkARM.dll to any of the directories listed above. Alternatively, add the SEGGER J-Link directory to your %PATH%.
# Option A: Copy the library to your libraries directory. $ cp libjlinkarm.so /usr/local/lib/ # Option B: Add SEGGER's J-Link library path to your libraries path. $ export LD_LIBRARY_PATH=/path/to/SEGGER/JLink:$LD_LIBRARY_PATH
import pylink if __name__ == '__main__': serial_no = '123456789' jlink = pylink.JLink() # Open a connection to your J-Link. jlink.open(serial_no) # Connect to the target device. jlink.connect('device', verbose=True) # Do whatever you want from here on in. jlink.flash(firmware, 0x0) jlink.reset()
Should you run into any issues, refer to the documentation, as well as check out our troubleshooting document.
Documentation follows the Google Python Style Guide, and uses Sphinx documentation generator with the Napoleon extension to provide Google style Python support. To generate the documentation, these packages will need to be installed (they are included in the provided requirements.txt file). With these packages installed, you can generate the documentation as follows:
$ cd docs $ make html
To run tests, execute the following:
# Unit tests $ python setup.py test # Functional tests $ python setup.py bddtest
There are two types of tests: functional and unit. Information about both can be found under tests/README.md.
Code coverage can be generated as follows:
$ python setup.py coverage $ open htmlcov/index.html
Please see the documentation on contributing.
Copyright 2017 Square, Inc. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
See terms and conditions here.
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