square/pylink

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Python Library for device debugging/programming via J-Link

Stars: 430
Forks: 151
Open beginner issues: 0
Indexed issues: 85
Avg merge: 5d 3h
Merged PRs (30d): 1

Dominant language: Python
License: No license data
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue help wanted

Beginner friendly Everything

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85 open issues indexed

SWD docstring argument typo Open

beginner good first issue

square/pylink#268 · 1 assignee · Opened Aug 26, 2026
PR proposal to add jlink.resume() operation Open

Difficulty 2/5 1-3 hours Newbie friendliness 64/100

square/pylink#265 · 5 comments · Opened Apr 1, 2026
Question regarding jlink.exec_command() Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

square/pylink#264 · 2 comments · Opened Apr 1, 2026
Jlink V9.22 No emulator with serial number Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

square/pylink#262 · 2 comments · Opened Mar 8, 2026
excessive/repetitive calls to jlink dll functions Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

square/pylink#257 · 4 comments · Opened Feb 21, 2026
64-bit Register Access Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

square/pylink#255 · Opened Feb 6, 2026
Can't connect to the emulator Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

square/pylink#254 · 8 comments · Opened Feb 5, 2026
Comprehensive RTT Improvements and Bug Fixes Open

Difficulty 5/5 Over a week Newbie friendliness 18/100

square/pylink#253 · Opened Nov 12, 2025
Feature Request: Reset Detection via SWD/JTAG Connection Health Monitoring Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 38/100

square/pylink#252 · 5 comments · Opened Nov 10, 2025
Question: how to speicfy the SEGGER JLink home path Open

enhancement question

Difficulty 4/5 3-5 days Newbie friendliness 35/100

square/pylink#251 · 4 comments · Opened Nov 10, 2025
rtt_start() fails to auto-detect RTT control block without explicit search ranges Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

square/pylink#249 · Opened Nov 9, 2025
Programming/Erasing Failed Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

square/pylink#248 · 6 comments · Opened Oct 16, 2025
pylink-square==1.5.0 fails to open J-Link by serial on Ubuntu 22.04 (JLink V8.74); 1.4.0 works Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

square/pylink#247 · 3 comments · Opened Oct 4, 2025
OSError: exception: access violation when using x64 DLL Open

question troubleshooting

Difficulty 4/5 3-5 days Newbie friendliness 35/100

square/pylink#238 · 3 comments · Opened Jul 9, 2025
Incorrect usage of return value in flash_file method Open

beginner bug good first issue help wanted

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

square/pylink#237 · 2 comments · Opened May 23, 2025
Issue with Disassembling Instructions in NXP MK82FN256VLL15 Trace Script Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

square/pylink#235 · 1 comment · Opened May 12, 2025
RTT no writing Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

square/pylink#234 · 2 comments · Opened Apr 28, 2025
RTT does not connect Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

square/pylink#233 · 1 comment · Opened Apr 8, 2025
Flash and verify Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

square/pylink#224 · 3 comments · Opened Mar 3, 2025
Cannot unlock nrf52833 MCU Open

enhancement good first issue help wanted

Difficulty 4/5 3-5 days Newbie friendliness 35/100

square/pylink#217 · 2 comments · Opened Dec 18, 2024
JLink SDK for v8 has changed? Open

bug good first issue help wanted

Difficulty 3/5 1-2 days Newbie friendliness 35/100

square/pylink#216 · 1 comment · Opened Dec 18, 2024
Feature request: specific exception for 'Could not find supported CPU' JLinkException Open

beginner good first issue

Difficulty 3/5 1-2 days Newbie friendliness 35/100

square/pylink#213 · 2 comments · Opened Oct 9, 2024
Option to set RTT Search Range Open

enhancement good first issue

Difficulty 3/5 1-2 days Newbie friendliness 38/100

square/pylink#209 · 4 comments · Opened Aug 22, 2024
[Example Script] swo_read_stimulus() returns empty List. Even if num_bytes is not zero. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

square/pylink#207 · 3 comments · Opened Aug 15, 2024
"Unspecified error" when connecting. JLinkExe works Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

square/pylink#206 · 5 comments · Opened Jul 22, 2024
REQ: Please Add Support For: Keil JLinkEFM8.dll Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

square/pylink#200 · 3 comments · Opened May 9, 2024
Unlocking STM32L0 Open

beginner good first issue

Difficulty 4/5 3-5 days Newbie friendliness 35/100

square/pylink#191 · 1 comment · Opened Jan 15, 2024
Can support C-JTAG Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

square/pylink#190 · 14 comments · Opened Jan 5, 2024
CORESIGHT_AddAP doesn't execute Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

square/pylink#189 · 6 comments · Opened Dec 21, 2023
Error when programming or erasing Kinetis microcontrollers Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

square/pylink#185 · 3 comments · Opened Sep 26, 2023
Loading library on Aarch64 fails because pylink attempts to load 32-bit library Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

square/pylink#183 · 3 comments · Opened Sep 2, 2023
nRF5340 flashing issue: Failed to prepare for programming. Could not preserve target memory. Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

square/pylink#177 · 11 comments · Opened May 23, 2023
Tests fail on some architectures (using unittest.mock) Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

square/pylink#175 · 2 comments · Opened May 14, 2023
connect("nrf52") raises "ValueError: Invalid index." Open

bug good first issue

Difficulty 3/5 1-2 days Newbie friendliness 35/100

square/pylink#174 · 5 comments · Opened May 12, 2023
exec_command(f'SetRTTTelnetPort 19021') raises JLinkException when success Open

bug good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

square/pylink#171 · 1 comment · Opened Apr 13, 2023
Will pylink works with Jlink V9 version? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

square/pylink#164 · 1 comment · Opened Feb 6, 2023
Specify RTT Telnet port Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

square/pylink#161 · 2 comments · Opened Jan 24, 2023
Invalid error code: -11 from rtt_read() Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

square/pylink#160 · 4 comments · Opened Jan 19, 2023
"Unsupported device selected" error with loader strings Open

good first issue help wanted

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

square/pylink#159 · 5 comments · Opened Jan 11, 2023
USB JLink selection by Serial Number Open

beginner bug good first issue

Difficulty 3/5 1-2 days Newbie friendliness 45/100

square/pylink#151 · 8 comments · Opened Nov 18, 2022
Remove the use of mock Open

Difficulty 3/5 1-2 days Newbie friendliness 50/100

square/pylink#149 · 1 comment · Opened Nov 13, 2022
target_connected() returns false after executing connect() without issues Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

square/pylink#144 · 4 comments · Opened Sep 2, 2022
Exception "Writing target memory failed" does not get raised. Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

square/pylink#142 · 2 comments · Opened Aug 24, 2022
Changing a specific memory address Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

square/pylink#136 · 2 comments · Opened Jun 30, 2022
erase() and flash_file functions are not working Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

square/pylink#135 · 3 comments · Opened Jun 17, 2022
Failed to prepare RAMCode using RAM Open

Difficulty 4/5 3-5 days Newbie friendliness 15/100

square/pylink#124 · 3 comments · Opened Mar 2, 2022
Will pylink work with ST-Link? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

square/pylink#122 · 1 comment · Opened Feb 16, 2022
"pylink" name is used by another python module Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

square/pylink#121 · 1 comment · Opened Feb 9, 2022
No sdist on pypi.org/ sdist lacks tests Open

beginner enhancement good first issue

Difficulty 3/5 1-2 days Newbie friendliness 35/100

square/pylink#119 · 12 comments · Opened Jan 20, 2022
JLinkFlashException('Could not write target memory.') Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

square/pylink#118 · 1 comment · Opened Dec 7, 2021

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