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USB3: Implement compliance mode, de-emphasis, and tune TX amplitude on ECP5#303

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miek wants to merge 8 commits into
greatscottgadgets:mainfrom
miek:superspeed-signal-integrity
Draft

USB3: Implement compliance mode, de-emphasis, and tune TX amplitude on ECP5#303
miek wants to merge 8 commits into
greatscottgadgets:mainfrom
miek:superspeed-signal-integrity

gateware.interface.serdes_phy.ecp5: optimise TX amplitude & de-emphasis

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GSG-Jenkins / Jenkins failed May 13, 2026 in 4m 17s

Test: error in 'sh' step

Test / Shell Script

Error in sh step, with arguments ./ci-scripts/test.sh.

script returned exit code 1
Build log
+ ./ci-scripts/test.sh
Traceback (most recent call last):
  File "/var/jenkins_home/workspace/gadgets-organization_luna_PR-303/testing-venv/bin/cynthion", line 8, in <module>
    sys.exit(main())
  File "/var/jenkins_home/workspace/gadgets-organization_luna_PR-303/testing-venv/lib/python3.10/site-packages/cynthion/commands/cli.py", line 94, in main
    device = ApolloDebugger(force_offline=force_offline)
  File "/var/jenkins_home/workspace/gadgets-organization_luna_PR-303/testing-venv/lib/python3.10/site-packages/apollo_fpga/__init__.py", line 115, in __init__
    raise DebuggerNotFound("No Apollo debugger or stub interface found.")
apollo_fpga.DebuggerNotFound: No Apollo debugger or stub interface found.

Test / Shell Script

Error in sh step, with arguments ./ci-scripts/test.sh.

script returned exit code 1
Build log
+ ./ci-scripts/test.sh
Traceback (most recent call last):
  File "/var/jenkins_home/workspace/gadgets-organization_luna_PR-303/testing-venv/bin/cynthion", line 8, in <module>
    sys.exit(main())
  File "/var/jenkins_home/workspace/gadgets-organization_luna_PR-303/testing-venv/lib/python3.10/site-packages/cynthion/commands/cli.py", line 94, in main
    device = ApolloDebugger(force_offline=force_offline)
  File "/var/jenkins_home/workspace/gadgets-organization_luna_PR-303/testing-venv/lib/python3.10/site-packages/apollo_fpga/__init__.py", line 115, in __init__
    raise DebuggerNotFound("No Apollo debugger or stub interface found.")
apollo_fpga.DebuggerNotFound: No Apollo debugger or stub interface found.

Test / Shell Script

Error in sh step, with arguments ./ci-scripts/test.sh.

script returned exit code 1
Build log
+ ./ci-scripts/test.sh
Traceback (most recent call last):
  File "/var/jenkins_home/workspace/gadgets-organization_luna_PR-303/testing-venv/bin/cynthion", line 8, in <module>
    sys.exit(main())
  File "/var/jenkins_home/workspace/gadgets-organization_luna_PR-303/testing-venv/lib/python3.10/site-packages/cynthion/commands/cli.py", line 94, in main
    device = ApolloDebugger(force_offline=force_offline)
  File "/var/jenkins_home/workspace/gadgets-organization_luna_PR-303/testing-venv/lib/python3.10/site-packages/apollo_fpga/__init__.py", line 115, in __init__
    raise DebuggerNotFound("No Apollo debugger or stub interface found.")
apollo_fpga.DebuggerNotFound: No Apollo debugger or stub interface found.

Details

  • Declarative: Checkout SCM (9.9 sec)
    • Declarative: Agent Setup (2 min 55 sec)
      • Build (31 sec)
      • Test (18 sec)
        Error: script returned exit code 1 - logs
        Error: script returned exit code 1 - logs
        Error: script returned exit code 1 - logs
      • Declarative: Post Actions (5.6 sec)