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DASTARD Versions

0.3.4 May 2024-

  • Update all package dependencies (issue 347).
  • Send which types of files are active in the report about writing data (issue 343).

0.3.3 May 28, 2024

  • Make publisher more responsive: don't block data processors waiting on disk flush.
  • Construct all file paths using path/filepath to get OS-specific details right (issue 342).

0.3.2 February 9, 2024

  • Make external trigger resolution 64x finer (issue 335).
  • Add subframe info to LJH and OFF headers; use subframe language throughout code (issue 337).
  • Save client msg to ~/.dastard/logs/updates.log (not terminal); cute ASCII bouncer at terminal (issue 338).

0.3.1 February 3, 2024

  • Add configuration to invert an arbitrary subset of Abaco channels (issue 330).
  • Process UDP packets containing external trigger information (issue 331).
  • Add configuration to allow biased unwrapping with Roach (issue 328).

0.3.0 August 10, 2023

  • Add RPC command to store raw, untriggered data to temporary npy/npz files (issue 320).

0.2.19 May 26, 2023

  • Fix unchecked error in starting Abaco sources (issue 321).
  • Workaround for bug in Go library os.OpenFile (issue 324).
  • Fix fact that the workaround was yielding zeros from lancero source (issue 326).

0.2.18 April 24, 2023

  • Panic if run on Go 1.20 or higher with the lancero-TDM readout (issue 315).
  • Return Lancero driver's ring buffer to 32 MB (undo issue 258); check return values, panic if needed (issue 316).

0.2.17 March 7, 2023

  • Add Gentoo instructions; add static compilation target to Makefile (issue 302).
  • Switch to GitHub Actions for testing and deployment (issue 305, 308).
  • Require Go 1.17 or higher (PR 306).
  • Remove source files that were used only for go 1.16 and earlier (issue 310).

0.2.16 February 2, 2023

  • Make ROACH2 firmware for HOLMES team work (issue 297).
  • Add a veto possibility to the auto-trigger (issue 300).

0.2.15 November 29, 2022

  • Add a udpdump main program to read a few packets from an Abaco UDP source (issue 290).
  • Add some profiling features to Dastard main program (as command-line options).
  • Redesign "legacy triggers" so they don't unintentionally overlap (issue 293).

0.2.14 September 26, 2022

  • Add features to test use of multiple Abaco cards at once (like Tomcat-1k).
  • Fix crashes found when data rates (in sim data) are very low and some chan don't trigger (issue 277).
  • Make Edge Multi Triggers stop crashing Dastard every time they are switched on (issue 279).
  • Using VScode's golang code checker, found and fixed deprecations and other bad practices (PR 282).
  • Change ZMQ library from goczmq to pebbe/zmq4 (issues 253, 281).
  • Clarify in the README what the config.yaml file is for and in the file itself (issue 285).
  • Fix bug in the main reader loop of an AbacoUDPReceiver; caused crashes when loop tries to end (issue 288).

0.2.13 June 1, 2022

  • Fix crashing problem when you start with Edge Multi Triggers on (issue 271).
  • Update all dependencies with latest upstream versions.
  • Add way to turn on/off µMUX rescaling separate from phase unwrapping (for non-µMUX UDP sources).

0.2.12 March 18, 2022

  • Add doc/ directory with DASTARD.md to explain the internal design of the code (issue 261).
  • Make Lancero driver's ring buffer be 256 MB instead of 32 MB (issue 258).
  • Redesign triggering so all-channel sync point is explicit (not hidden in TriggerBroker) (issues 235, 255).
  • Redesign edge-multi-triggering for clarity and to fix problems (issues 256, 259, 260).
  • Add general-purpose "group trigger" (issue 247).
  • Use unsafe.Slice (new in Go 1.17) to convert between slice types (issue 267).

0.2.11 October 12, 2021

  • Fix test for exact Float64 equality on data rate from different chan groups (issue 248).
  • Work on biased phase unwrapping (issue 250).

0.2.10 May 27, 2021

  • Packet data can appear as UDP instead of in shared memory buffer.
  • Fix bug in closing the file that logs data drops (issue 239).
  • Improve logging of info when packets are dropped (issue 241).
  • Improve speed limit on UDP data packet handling (issue 242).
  • Fix ROACH2 source with latest Dastard design (issue 246).

0.2.9 March 11, 2021

  • Fix Lancero source: fill in channel groups as 1 group per column.
  • Use new goczmq API for setting socket options (issue 230).
  • Keep separate counts of the data rate from the hardware, and data processed (after dropped packets are replaced by artificial data, the latter might be larger). Send both in heartbeat ("ALIVE") message (issue 229).
  • New agreement that Abaco will supply exactly [0, 2π) in the full range of whatever sized int data it generates. So if int32, use the highest 16 bits (issue 227).
  • Allow Abaco sources to change the time after which the phase unwrapping resets (issue 228).
  • Fix heartbeat ("ALIVE") message to have Running=false after sources stop (issue 232).
  • Have Travis Continuous Integration system deploy a compiled binary to github (issue 236).

0.2.8 October 23, 2020

  • Remove idea of rows/columns from Dastard (used only in LanceroSource). Use chan groups otherwise (issue 214).
  • Lancero source can have more flexible channel numbers, such as 12043 for card 1, column 2, row 43 (issue 212).
  • Testing of the flexible channel numbering.
  • Add support for TAG TLVs in Abaco packet data (issue 216).
  • Ignore unknown TLV types in Abaco packet data (issue 217).
  • Fix bug that prevented stopping and restarting Abaco (issue 218).
  • Much improved speed of processing Abaco packets (issue 220).

0.2.7 September 10, 2020

  • Use package zmq4, a pure Go implementation of ZMQ.
  • Simplified testing on Travis because of that.
  • Then revert to gozmq because zmq4 was dropping messages (issue 192).
  • Read Abaco packets correctly when fractional packets are in ring buffer (issue 188).
  • Fix CurrentTime client message to be valid JSON (issue 194).
  • Added program Bahama to generate fake Abaco packet-style data (issues 196, 200).
  • Fix problem where ZMQ 2-part messages were sent w/o checking for errors (issue 198).
  • Handle Abaco packets from separate channel groups as independent (issue 190).
  • Fill in fake data when any Abaco packets are missing (issue 202).
  • Fix MaxSamples value in OFF file headers (issue 197).
  • Log when Abaco packets are missing (issue 204).
  • Channel numbering is no longer consecutive (issue 191).

0.2.6 April 2, 2020

  • Change handling of data drops.
  • Generate OFF files v0.3.0, with pretrigger Deltas.
  • Usability features improved.
  • Abaco source with packets.

0.2.5 September 5, 2019

  • Abaco data source works for streaming data (not packets).
  • Reset triggering memory on changing trigger settings.
  • Fix goczmq API for socket options.
  • Fix handling of, and absence of, map files.

0.2.4 June 17, 2019

  • Read Cringe global variable data file.
  • Lancero LSYNC stored by Cringe; read by Dastard.
  • Refactored WriteControl object.
  • Use pointers to mat.Dense as recommended by its author.
  • Write detector positions in OFF file headers; new OFF version.

0.2.3 April 19, 2019

  • ROACH source works.

0.2.2 December 19, 2018

  • External triggers

0.2.1 December 7, 2018

  • Make mix command accept an array of new mix values and report all back to clients.
  • Make SimPulse configuration accept an array of amplitudes to generate multiple pulse sizes.
  • Timestamp RPC commands SetExperimentStateLabel when received, not when processed.
  • Fix problems with simulated pulse data when read in MASS.
  • Get record lengths correct when starting a source.

0.2.0 October 5, 2018

  • Redesign the internals of Dastard to eliminate data races between RPC services that try to change data processing and the actual processing. Use more channels.

0.1.2 September 28, 2018

  • Uses an internal buffered channel to queue Lancero data for processing so that we can survive 1-second-plus delays in processing (writing seems to be the particular problem).

0.1.1 August 13, 2018

  • Demonstrated OFF file writing with triggering.

0.1.0 July 13, 2018

  • Ready for acquiring LJH (and maybe OFF) files with triggering.

0.0.2 July 2018

  • Still improving to reach useful configuration

0.0.1 July 2018

  • Fix irregular data rates for simulated sources due to latencies.

0.0.0 Development through July 2018.

  • Trying to build a working system.

Version number is set in source file global_config.go.