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ADUVC RELEASES

Author: Jakub Wlodek

ADUVC requires libusb, libuvc, epics-base, epics-modules, ADCore, and ADSupport. Further installation information can be found in the README file.

Release Notes

R1-8 (20-Aug-2024)

  • Features Added

    • Increase max number of auto-configured operating modes to 16
    • Improved organization of utility programs

  • Fixes

    • Resolve bug with size PVs being incorrect for color images
    • Cleanup docs

R1-7 (27-January-2023)

  • Features Added

    • New option to connect to device by device index - needed for connecting to identical devices with no serial number
    • Add printing of HEX value of product and vendor IDs to uvc_locater - useful for generating udev rules
    • New flag for uvc_locater to print more easily machine readable output
    • New simple utility script for generating udev rule files from output of uvc_locater

  • Fixes

    • Minor bug with continuous acquisition mode fixed
    • Avoid "Auto Adjust" as default behavior

R1-6 (1-December-2020)

  • Features Added
    • libuvc now builds via the EPICS build system

R1-5 (29-October-2020)

  • Features Added

    • Pan/Tilt/Zoom control (PTZ)
    • Improved static build control
    • Improved helper tools
    • Improved script for building libuvc

  • Fixes/Improvements

    • Minor code changes to remove tabs and replace with spaces

R1-4 (18-August-2020)

  • Features Added

    • Added ReST based documentation for new areaDetector doc format
    • Static build support (for libuvc)

  • Fixes/Improvement

    • Fix segmentation fault caused by disconnect
    • Libuvc install script fixed to support include files from build
    • Minor fixes to build system to allow for static building
    • Folder + file name changes to better follow AD naming standard
    • Many code readability improvements
    • Allow for helper utilities to compile with non-system installed libuvc

  • Known Issues

    • libuvc relies on libusb-1.0, not libusb.
    • When camera is not connected, driver segmentation faults - should be handled more gracefully.

R1-3 (06-September-2019)

  • Key detector features implemented:

    • Added IOC feature to auto-adjust camera settings based on operating mode.

  • Key fixes and improvements

    • Minor screen updates
    • Repoint libuvc upstream repo. New repo has issues with CMake file
    • Add documentation for fixing root ownership issues of UVC devices

  • Known Issues

    • Auto adjust feature can break with certain odd configurations of the camera
    • Uses array size to determine 8/16 bit and Mono/RGB, but certain compressed formats break the adjuster.

R1-2 (11-June-2019)

  • Key detector features implemented:

    • Camera modes now read into structs at startup
    • Valid camera mode structs selectable from dropdown in CSS - improves usability
    • Autosave functionality tested and working.
    • More extensive status messages/detector feedback

  • Key fixes and improvements

    • Removed unused PVs (ADUVC_VendorID, ADUVC_ProductID)
    • Fixed memory leak caused by early return from frame conversion function on error
    • Added Makefiles to the support modules
    • Documentation updates
    • Added information on using camera with Virtual Box
    • Removed newlines from status messages for better readability.
    • CSS screen updated

R1-1 (28-January-2019)

  • Key detector features implemented:

    • Support for Uncompressed and Grayscale images
    • Support for 16-bit images
    • Image timestamps

  • Key fixes and improvements

    • Memory copying fixed to remove race condition that could cause plugins to crash
    • Improved conversion between frame format and PV
    • Updated documentation with params[in]/[out]
    • Added LICENSE
    • Code formatting cleaned up (removed all tab characters)

R1-0 (7-December-2018)

  • Key detector features implemented:

    • UVC Camera features (Sharpness, Backlight, Brightness, Gain, etc.)
    • More format support (MJPEG, RGB, YUYV)
    • Frame size and framerate selection (Previously only 640x480 @ 30 fps)
    • Custom CSS Screen Added

  • Key fixes and improvements

    • Fixed error where first frame in stream was corrupt
    • Fixed IOC autosave feature
    • Resolved frame drop due to motion (camera dependant)

R0-1 (Beta) (5-November-2018)

  • Key detector features implemented:

    • Image Acquisition supported and tested.
    • Acquisition mode selection supported and tested
    • Diagnostic information acquisition
    • Plugin interoperability tested
    • Detector IOC written and tested
    • Driver report function implemented

  • Key Support Features Added

    • Documentation for installation and usage
    • Camera Detector program for detecting UVC cameras and diagnostics
    • Image Acquisition program for testing camera image acquisition
    • libuvc installation script included

  • Limitations

    • Only tested on linux-x86_64 systems
    • Framerate goes down during motion (likely due to mjpeg compression)
    • IOC autosave feature not working correctly
    • Many UVC camera functions not yet implemented
    • Limited format support (only mjpeg)
    • Frame size must be specified in the IOC
    • No custom screens (uses ADBase screen)