R1-7

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

R1-6 (1-December-2020)

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

R1-5

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

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

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

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

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

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

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)