StreamDevice Release Notes

Version 2.6

New features

• Compatibility with base 3.15

Fixed bugs

• Some compiler warning removed
• Unsolicited input could go lost right before other record sends output (because of using flush())
• The fix for the above introdiced a bug in reading GPIB devices. Fixed in patch StreamDevice-2-6-patch20121113

Version 2.5

Fixed bugs

• Compiler error on solaris
• Compiler error with old Tornado 2.0.2 compiler
• %*c or %*s crashes when input is empty
• Bad performance with very large input (megabytes)
• Dropped input in "I/O Intr" mode when input comes in chunks
• Hanging records in PACT=1 state
• Fixes for 64 bit machines
• Better re-connect behavior with disconnecting TCP sockets
• Toolchains that define printf as a macro clash with StreamBuffer
• Wrong minor version numbering in header file
• Escaped or literal numeric byte value of 37 (%) mistaken as format converter
• Binary converter %B must not skip leading whitespaces if one of the two bit states is a whitespace
• Bash scripts in Makefiles don't work on Windows.

New features

• Compatibility with base 3.14.12
• Allow missing values (defaults to 0, 0.0, or "") with %?...
• Allow enums with assigned values: %#{neg=-1|pos=1|zero=0}
• Allow output formats in exec
• Allow spaces after sign for numeric input formats %d%, f% etc
• Allow spaces in %s input format
• Allow signed %x and %o input format
• "\_" in input matches any number of whitespace
• Timestamp support and access to TIME field: %(TIME)T(format)
• Allow to omit .VAL in redirection: %(otherrecord)x instead of %(otherrecord.VAL)x
• Dummy bus interface that does not support any I/O (but exec)
• Print checksums in decimal ascii with %+<...>
• Documentation updated

Version 2.4

Fixed bugs

• @init handler does not work for vxi11 ports
• Parser bug in %B format
• Alignment bug in StreamBuffer::reserve()
• Bug in StreamBuffer::replace(0,n,xxx,0)
• First bit lost when reading %b or %B format
• Skipped formats at end of input fail on vxWorks
• Bug in StreamBuffer::find() with 1 char strings
• Signed/unsigned conversion on 64 bit machines
• Stack overflow in "I/O Intr" when input consists of many lines
• Data loss in "I/O Intr" when input > 600 bytes

New features

• Unsigned integer support for %r format
• Little endian bitorder for %b and %B format
• Raw floating point format %R
• Some strange floating point format like "-123-2" for -1.23: %m
• Patch for asyn driver version 4.10

Version 2.3

Fixed bugs

• Input to "I/O Intr" records before iocInit crashes ioc
• Skipped charset format (%*[charset]) crashes ioc
• disconnect did not always work

New features

• Perl regular expression matching
• More checksums

API changes

• disconnect gives callback.

Version 2.2

Fixed bugs

• Dealock if exec command accesses same asyn bus
• InTerminator="" for only some protocols did not work
• Waveform read bug when reading less than NELM elements
• Auto-registration problem when using static libraries (e.g. vxWorks, cygwin, ...)
• @mismatch handler missing
• Crash in streamReload
• "asynOverflow" with GPIB
• Problems with "I/O Intr" mode

New features

• %(field) and %(record.field) redirection syntax
• Support for aai and aao records (disabled by default)
• connect / disconnect commands
• Use terminators of underlying driver (asyn) if not defined in protocol
• Support for EPICS 3.13.7+
• Support for Windows
• Support for RTEMS
• Patches for EPICS 3.14.9
• Patches for gcc 4.1.1

API changes

• Names of converter classes shortened
• Return type of StreamFormatConverter::print*() changed from int to bool.

Version 2.1

Fixed bugs

• Several compiler errors and crashes on solaris, with Tornado 2.0.2, or on 68k processors
• Format converter bugs in %D, %[...], %{...}
• Bug in terminator recognition in "I/O Intr" mode

New features

• Support for sCalcout (synApps)
• More checksums

API changes

• New naming convention for record interfaces
• Makefile changes
• Separate print*() functions for StreamFormatConverters

Version 2.0

This version has been rewritten from scratch.

New features

• EPICS R3.14 support (architecture independent)
• Modular and extensible programming (in C++)
• New features in protocol language (backward compatible)
  • User variables
  • Exception handlers
  • References to other protocols
• New formats (including checksums)
• Support for asynDriver