devserv: Change History

Ported and tested multithreaded version for Linux and Windows 98/NT.
Replaced explicit calls to ioctl() for serial port communication under UNIX with Posix system calls (e.g., tcgetattr(), tcsetattr()).
Added command line options for displaying version number and getting help.
Implemented automated Makefile generation with GNU tools (e.g., automake, autoconf, configure...).
Deleted display of recv() failure when user terminates the program.
Speeded up device shutdown for the Panasonic by eliminating reading from the device after the power is turned off.

Created multithreaded version under UNIX. Instead of polling on network sockets, one thread does a blocked receive on each receiving socket.
Created threads for device initialization and shutdown.

Replaced ioctl() calls with Posix system calls for serial port configuration (in serialport{.h,.cc}).
Updated command line options to be the same as for v1.1.
Added support for the Sony EVI-D31.
Tested/debugged under Irix 6.5.

Added command line options to specify video host and video address/port/ttl.
Reformatted description messages per updated Camera Remote Control Command Language and completed all the fields described.
Eliminated checking the timestamp for requests to send description message.
Added periodic multicast of description messages (i.e., if no description message has been sent for 7.5 minutes, send one).
Changed the configuration file to disregard colons after the keyword that starts each entry.
Added support for a text "description" entry in the configuration file. Entries can also be made in this file for the video_host and video address/port/ttl.

Added command line option to override default time-to-live.
Made code changes (e.g., eliminated several automatic variables, deleted some strcpy/strcat calls).
Deleted 'home' position values from description messages.

Fixed bug in timestamp comparison that caused client requests to be rejected.
Added support for the Canon VC-C1.
Revised the messages that are displayed.
Added capability to specify type of camera lens; calibrations for fractional pan, tilt, and zoom are now based on lens type (e.g., wide-angle or standard).