v0.45.1

v0.45.1 on PyPI

Fixes

• Flash programming:
  • Support flash algorithms with an explicitly defined RAM range outside the target memory map

Full Changelog: v0.45.0...v0.45.1

v0.45.0

v0.45.0 on PyPI

Important note

With this release, support for Python 3.14 is enabled and Python 3.8 is no longer supported. The minimum Python version is now 3.9.0.

New Features

• Debug sequences:
  • Introduce support for FlashEraseSetup and FlashProgramSetup sequences used by flashinfo based regions
  • Add support for RunPythonScript function for running Python scripts from debug sequences
  • Fall back to an FLM algorithm when flash programming debug sequences are not provided by a CMSIS-Pack
  • Add TraceCapture and TraceFlush sequence hooks, along with __traceclockin and __traceclockout debug access variables
• RTT:
  • Enable file-based input and output for RTT channels, supporting automated test output capture and scripted target input
• SWV:
  • Enable saving the raw SWV trace stream directly to a file

Improvements

• CoreSight:
  • Attach discovered non-core components to the target, making them available to target-specific integrations
  • Add support for filtering the components based on their properties
• J-Link:
  • Improve J-Link compatibility with newer J-Link DLL releases (@dottspina)

Changes

• Standard I/O:
  • Replace the telnet_* session option names with stdio_*, reflecting that standard I/O is not limited to Telnet transport
  • Continue to accept legacy telnet_* option names as aliases
• SWV:
  • Move SWV trace management to the device layer for consistent behavior across subcommands
  • Limit SWV console output to ITM Channel 0
• Flash programming:
  • Improve smart flash reliability by updating flash page states after erase operations

Fixes

• CMSIS-DAP:
  • Fix matching CMSIS-DAP probes that report an empty serial number
• Flash programming:
  • Suppress disconnect errors while closing a session after programming
  • Fix flashinfo subregion bounds when it covers more than one defined memory region
• Command line:
  • Fix the n_srst reset-type mapping
• RTT:
  • Fix target memory access for RTT up-channels

Other

• CI:
  • Drop Python 3.8 and add support for Python 3.14
  • Update workflow dependencies

New Contributors

• @dottspina made their first contribution in #1927

Full Changelog: v0.44.1...v0.45.0

v0.44.1

v0.44.1 on PyPI

Improvements

• Flash programming:
  • Improve robustness of load subcommand post reset handling
• CMSIS-Toolbox Run and Debug Management integration:
  • Avoid registering unknown access port IDs as processors
• Debug sequences:
  • Improve ResetSystem debug sequence robustness by adding a short delay before checking the core state after reset
  • Prefix variables of internal default sequences with double underscores to reduce the chance of name collisions with user sequences

Changes

• Cortex M:
  • Do not implicitly attempt to resume a core after reset

Fixes

• RTT:
  • Fix control block searching and detection (@elfmimi)

Other

• CI: Allow target branch selection for manual nightly build dispatches

Full Changelog: v0.44.0...v0.44.1

v0.44.0

v0.44.0 on PyPI

New Features

• Debug sequences:
  • Use default debug sequences as defined in the Open-CMSIS-Pack specification
  • Support debug sequences for hardware reset: ResetHardwareAssert and ResetHardwareDeassert
  • Support debug sequences for flash programming: FlashInit, FlashUninit, FlashEraseChip, FlashEraseSector, FlashEraseDone, FlashProgramPage, FlashProgramDone, and DebugCodeMemRemap
• run subcommand:
  • Add SystemView Server mode to support SEGGER's SystemView Recorder via IP (TCP/IP connection)

Improvements

• RTT:
  • Improve robustness and tolerate unexpected target halts
  • More flexible configuration
  • Increase transfer speed
  • Improve log messages
• SystemView:
  • Improve log messages

Changes

• Flash programming:
  • Split flash programming into separate erase and program operations
• RTT Configuration:
  • Rename channel mode telnet to server

Fixes

• GDB Server:
  • Fix thread information on subsequent client connection
• Debug sequences:
  • Support inline control flow statements (if, while)
  • Fix predefined debug access variable contents for __protocol and __connection
• Cortex-M:
  • Restrict PACBTI and PMU extension detection to Armv8.1-M targets
• CoreSight:
  • Restore CSW value after pre-discovery

Targets

• Add nRF54LM20A target (@StarSphere-1024)

Full Changelog: v0.43.1...v0.44.0

v0.43.1

v0.43.1 on PyPI

Fixes

• RTT: Fix control block detection via _SEGGER_RTT symbol on single-core devices when the control block configuration is not specified.

Full Changelog: v0.43.0...v0.43.1

v0.43.0

v0.43.0 on PyPI

New Features

• run subcommand:
  • Add support for SEGGER's RTT and SystemView (configured via *.cbuild-run.yml)
  • Support per-channel RTT configuration with the following modes:
    • Standard I/O: All data received from the target on this channel will be printed to the sdtout, and all user input from the stdin will be sent to the target
    • Telnet: A Telnet server is started on the specified port, creating a bridge between the TCP connection and the corresponding RTT channel
    • SystemView: Capture the trace data from the specified RTT channel and save it to a user-defined file
  • SystemView integration:
    • Support for automatic start and stop command handling
    • Captured trace data (*.SVDat file) can be directly opened using SEGGER's SystemView analysis tool

Improvements

• Flash programming:
  • Re-enable double buffering mechanism for internal targets, except STM32H7xx (known to have issues)
  • Migrate all internal target support to use page_buffers instead of begin_data in flash algorithms
  • Remove begin_data from the algorithm template
• GDB Server:
  • Improve log message when client gets disconnected from the server
• Standard I/O:
  • Enable non-blocking read of the STDIO console
• CMSIS-DAP v2:
  • Send ZLP instead of a dummy byte to terminate OUT transfer
• CoreSight:
  • Always unlock ITM (do not check SLI and SLK bits in LSR register)

  Cortex-M7 (AT610) and Cortex-M7 with FPU (AT611) Software Developer Errata Notice
  513195: Lock Status Indication incorrectly reads as one

Fixes

• Flash programming:
  • Fix LPC4088 flash algorithm page_size
• CMSIS-Packs:
  • Fix raised exception on filename property access when using extracted packs (@timll-mchp)
• RTT:
  • Fix retrieval of available/free bytes for up/down channels
  • Fix control-block not found when the first character of the control-block ID was not present in the read memory (@HaoYDai)

Other

• CI: add nightly workflow that builds PyInstaller artifacts from the develop branch

New Contributors

• @MiloradCvjetkovic made their first contribution in #1882
• @timll-mchp made their first contribution in #1901
• @HaoYDai made their first contribution in #1730

Full Changelog: v0.42.0...v0.43.0

v0.42.0

v0.42.0 on PyPI

New Features

• run subcommand:
  • Introduce a new run subcommand capable of running targets until a time limit or EOT (suited for CI/CD workflows)
  • Supports semihosting console output/input and SWV output

Improvements

• Standard I/O routing:
  • Add new abstraction layer to unify STDIO routing for each core
  • Routing support for console, telnet, file and off

Note: Currently only output is supported

• CMSIS-Toolbox Run and Debug Management integration:
  • Add configuration layer in session options, which sits below command line arguments
  • Disable *.cbuild-run.yml processing if the target_override option is set
  • Improve port assignment logic for multi-core GDBServer and telnet configurations
  • Add processing for connect mode configuration
  • Add processing for pre-reset and post-reset options in load-setup configuration
  • Improve error messages for missing or invalid *.cbuild-run.yml file
  • Improve checking for required files
    • Raise a warning instead of an error for missing SVD files
    • Load SVD files only when available and when used by the subcommand
• Flash programming:
  • Add new session options for configuring pre-reset and post-reset type in load subcommand
  • Relax flash algorithm requirement to require only RO section
• RTOS:
  • Update Zephyr thread state definitions to match modern versions (@mathieuchopstm)
• CoreSight and Cortex-M:
  • Add support for Cortex-M52 and Star-MC3 based devices (@Liu-Gu)
  • Skip adding cores not described in the debug topology while retaining direct AP access

Fixes

• Cortex-M:
  • Fix incorrect reset type used in the fallback mechanism when the requested DebugSequence doesn't exist
• CMSIS-DAP:
  • Fix HID report sizing logic across platforms
• CMSIS-Packs:
  • Correct path normalization inside pack archives to support .. in file paths (@xoriath)

Other

• Minor documentation updates related to session option usage

New Contributors

• @Liu-Gu made their first contribution in #1852
• @mathieuchopstm made their first contribution in #1823
• @xoriath made their first contribution in #1867

Full Changelog: v0.41.0...v0.42.0

v0.41.0

v0.41.0 on PyPI

Improvements

• Probe:
  • Enable STLINK-V3PWR probe

Fixes

• GDB Server:
  • Fix RTOS support for Zephyr (thread detection)
• CMSIS-DAP:
  • Improve robustness of HID read thread

Full Changelog: v0.40.0...v0.41.0

v0.40.0

v0.40.0 on PyPI

Improvements

• GDB Server:
  • Add support for multiple concurrent GDB client connections to the same GDB server
  • Improve logging with support for multiple concurrent GDB clients
  • Report correct target architecture and align registers with GDB feature names
• Cortex-M:
  • Add missing secure/non-secure core registers (CONTROL, FAULTMASK, BASEPRI, and PRIMASK)
• Reset Management:
  • Update ResetType API for clearer reset handling
  • Remove reset fallback mechanism for CMSIS-Pack based targets to prevent unintended behavior
  • Support custom reset sequence execution defined in CMSIS-Pack
  • Refine debug sequence error handling and breakpoint management across resets
• Load (Flashing):
  • Remove implicit resets between loading multiple application files
  • Set Reset Catch on all cores when performing primary-core reset before flashing
  • Perform a hardware reset (nSRST) after flashing to ensure a clean post-load state
• CMSIS-Toolbox Run and Debug Management integration:
  • Add CMSIS-Pack related commands to commander interface

Fixes

• ST-Link: correct reported length on memory read/write failures
• JLink: block unsupported memory access commands
• CMSIS-DAP: fix jtag_sequence returning no data (@NorbertHipfl)
• SWO: correct thread exit flag handling in the SWO read thread (@crypto-lars)
• Fix caching of banked SP registers to prevent stale values
• Fix memory region filtering for multi-core targets
• RTOS: handling for banked PSP registers
• RTX5:
  • Fix incorrect thread priority offset
  • Relax requirement for target in halted state in RTOS operations

Other

• Remove dependency on six package (@a-detiste)
• CI: remove deprecated GitHub Actions command (@CubikingChill)
• Update Capstone disassembly engine to version 5 (@Hoohaha)

New Contributors

• @NorbertHipfl made their first contribution in #1820
• @crypto-lars made their first contribution in #1824
• @CubikingChill made their first contribution in #1834

Full Changelog: v0.39.0...v0.40.0

v0.39.0

v0.39.0 on PyPI

Improvements

• CMSIS-Toolbox Run and Debug Management integration:
  • Set debugger protocol based on information from *.cbuild-run.yml file
  • Set output file type based on information from *.cbuild-run.yml file
  • Raise critical error if *.cbuild-run.yml file path is invalid
  • Show warning when packs required by*.cbuild-run.yml file are missing
• CMSIS-DAP:
  • Improve TransferError Exception messages to be more descriptive
  • Increase number of transfer retries after WAIT response
• Probe: more reliable probe detection when probe is connected after pyOCD is started
• CI: Append version information to release build artifacts

Fixes

• CMSIS-DAP probe: fix support for USB HID probes which don't have a serial number
• Semihosting: fix read when no data is available

Full Changelog: v0.38.0...v0.39.0