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NEWS
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=== tio v2.5 ===
Changes since tio v2.4:
* Update configuration file documentation
Rename .tiorc to .tioconfig, tiorc to config, etc.
* Add support for $HOME/.tioconfig
Replaces what used to be $HOME/.tiorc
* Fix double prefix key regression
Vyacheslav Patkov:
* Better error checking in config file, rename the file
Accept "true", "enable", "on", "yes", "1" as true values, their
counterparts as false ones. Check integer values for errors and range.
Warn about ignored (e.g. misspelled) options.
Check getenv() return value for NULL.
Rename "tiorc" to "config", as it's a static INI file, not an executable
"run commands".
Changes since tio v2.3:
* Add threaded input handling
To make tio more responsive to quit and I/O flush key command when main I/O
thread is blocked on output.
* Fix so that is it possible to quit tio in tio etc.
Fix regression so that it is possible to send the prefix key code to the
remote tio session without local tio session reacting to same key code
(quitting etc.).
* Add key command to toggle log on/off
Add key command 'ctrl-t f' which will toggle log on/off.
If no log filename has been specified via the 'log-filename' option then
tio will automatically generate a new log filename every time the log
feature is toggled on. Meaning, when toggled multiple times, multiple
log files will be generated.
However, if a log filename has been specified, tio will only write and
append to that same file.
Changes since tio v2.2:
* Add mute feature
This will make tio go fully silent and not print anything.
* Rename config variable 'tty' to 'device'
* Deprecate tty config keyword but keep it around for now
* Update show config
* Update example tiorc
Changes since tio v2.1:
* Add shell completion of sub-configuration names
Does not work with sub configuration names that contains one or more
white spaces.
* Beautify help
* Fix error message
* Simplify configfile implementation
Changes since tio v2.0:
* Fix output line delay
Apply output line delay on lines ending with \n.
On most systems lines ends with \n or \r\n.
* Do not print timestamps in hex mode
* Improve input mechanism in hex mode
Print the 2 character hex code that you input in hex mode but then
delete it before sending. This way it is easier to keep track of what
you are inputting. It basically mimics the ctrl-shift-u input mechanism
that is used to input unicode.
* Add support for sending prefix character to serial device
Do so by inputting prefix key twice, e.g. input ctrl-t ctrl-t to send
ctrl-t character to serial device.
* Clean up indentation
* Update example tiorc
Attila Veghelyi:
* Add bit reverse order feature
Changes since tio v1.47:
* Handle stale unix socket file
Delete existing unix socket file if it is tested to be stale, meaning no
one is listening on it.
* Add visual or audible alert support on connect/disconnect
The feature is detailed via the following option:
--alert none|bell|blink
Set alert action on connect/disconnect.
It will sound the bell once or blink once on successful connect.
Likewise it will sound the bell twice or blink twice on disconnect.
Default value is "none" for no alert.
* Add experimental RS-485 support
Many modern RS-485 serial devices such as the ones from FTDI already
operate in RS-485 mode by default and will work with tio out of the box.
However, there are some RS-232/485 devices which need to be switched
from e.g. RS-232 to RS-485 mode to operate accordingly on the physical
level.
This commit implements the switching mechanism and interface required to
enable RS-485 mode. It only works on Linux and with serial devices which
use device drivers that support the Linux RS-485 control interface.
The RS-485 feature is detailed via the following options:
--rs-485 Enable RS-485 mode
--rs-485-config <config> Set RS-485 configuration
Set the RS-485 configuration using the following key or key value pair
format in the configuration field:
RTS_ON_SEND=value Set logical level (0 or 1) for RTS pin when sending
RTS_AFTER_SEND=value Set logical level (0 or 1) for RTS pin after sending
RTS_DELAY_BEFORE_SEND=value Set RTS delay (ms) before sending
RTS_DELAY_AFTER_SEND=value Set RTS delay (ms) after sending
RX_DURING_TX Receive data even while sending data
If defining more than one key or key value pair, they must be comma
separated.
Example use:
$ tio /dev/ttyUSB0 --rs-485 --rs-r485-config=RTS_DELAY_AFTER_SEND=50,RX_DURING_TX
* Add line response feature
Add a simple line response feature to make it possible to send e.g. a
command string to your serial device and easily receive and parse a line
response.
This is a convenience feature for simple request/response interaction
based on lines. For more advanced interaction the socket feature should
be used instead.
The line response feature is detailed via the following options:
-r, --response-wait
Wait for line response then quit. A line is considered any string ending
with either CR or NL character. If no line is received tio will quit
after response timeout.
Any tio text is automatically muted when piping a string to tio while in
response mode to make it easy to parse the response.
--response-timeout <ms>
Set timeout [ms] of line response (default: 100).
Example:
Sending a string (SCPI command) to a test instrument (Korad PSU) and
print line response:
$ echo "*IDN?" | tio /dev/ttyACM0 --response-wait
KORAD KD3305P V4.2 SN:32477045
* Fix potential sscanf() overflow
* Only print version on '--version'
* Remove duplicate show config entry of DTR pulse duration
* Remove MacPorts instructions
Remove instructions for MacPorts because the port has no maintainer and
the port build definition is broken (missing dependency on libinih etc.).
It is recommended to use brew instead.
Peter Collingbourne:
* Ignore SIGPIPE signals
If the remote end of a socket is closed between when an input character
is received from the serial port and when it is written to the socket,
tio will receive a SIGPIPE signal when writing the character to the
socket, which will terminate the program. To prevent this, ignore the
signal, which will cause write(2) to return -EPIPE, causing tio to close
the socket.
Changes since tio v1.46:
* Enable log feature when using --log-filename
No reason to not assume that the user wants to enable log when the
--log-filename is used. This way uses can skip the use of --log to
enable log.
* Enable line buffering of log
Replace flushing/writing of log at every log write operation with line
buffering, meaning log will be written line by line to make it more I/O
friendly but still update frequently.
* Avoid invalid hex character messages when switching hex mode
* Force flushing of log writes
* Renamed tty_flush() to tty_sync()
* Fix sync output to serial port
Using fsync() on filedescriptors for serial ports can not be relied on.
Add use of tcdrain() to make sure data has been written by the serial
port before proceeding.
This fixes a problem with tio sometimes not writing piped input data to
the serial port before exiting which results in the pending writes being
cancelled / flushed.
* Clean up tty_flush()
* Force frequent sync on tty_flush()
* Update README
* Update example tiorc
* Quit from non-interactive mode using ctrl-c
When piping to tio it will automatically enter "non-interactive" mode
which means it will not react to any input key sequences but simple read
the input stream and write it to the tty device.
This also means that ctrl-t q can not be used to quit and so tio would
hang forever when used in non-interactive mode.
This change allows to send the standard termination signal by pressing
ctrl-c on tio in non-interactive mode to make it quit.
* Make sure we flush output buffer to tty when piping to tio
* Do not return false read error when piping to tio
* Show error message when reading port settings fail
Victor Oliveira
* add macports install instructions
Changes since tio v1.45:
* Rework toggle and pulse feature to support all lines
Replace existing toggle and pulse key commands with the following
generalized key commands which allows to toggle or pulse all serial port
lines:
ctrl-t g Toggle serial port line
ctrl-t p Pulse serial port line
When used, user will be asked which serial line to toggle or pulse.
Also introduce --line-pulse-duration option for setting specific pulse
duration in milliseconds for each serial line using a key value pair
format. Each key represents a serial line. The following keys are
available: DTR, RTS, CTS, DSR, DCD, RI.
Example:
$ tio /dev/ttyUSB0 --line-pulse-duration DTR=200,RTS=300,RI=50
Likewise, the pulse duration can also be set via configuration file
using the line-pulse-duration variable:
line-pulse-duration = DTR=200,RTS=300,RI=50
* Upgrade inih wrap to r56
* Optimization
* Add example configuration file
Ralph Siemsen:
* Fix relative timestamps
Fix the display of relative timestamps. The hack of subtracting 3600
only works if you happen to be in a time zone that is one hour away from
UTC. When subtracting two time values, the result is an absolute
quantity (interval). These should be displayed as-is; without local time
zone nor daylight saving correction. Hence gmtime() instead of
localtime().
Changes since tio v1.44:
* Introduce bold color option
Introduce "bold" color option which only apply bold color formatting to
existing system color.
Also make "bold" the default color option.
Fixes all white issue with black on white tio text.
* Update README
* Change 'ctrl-t T' to 'ctrl-t t' for timestamp toggle
* Add support for remapping prefix key
Make it possible to remap the prefix key (default: ctrl-t) by setting
the prefix-ctrl-key variable in the configuration file.
Allowed values are in the range a..z.
Example, to set the prefix key to ctrl-a simply do:
prefix-ctrl-key = a
* Add plaintext man page
Rui Chen:
* docs: add homebrew installation note
* fix macOS build
* fix compilation error
Changes since tio v1.43:
* Simplify arbitrary baudrate code
* Cleanup error printing routines
Clean up so that only the following error related printing functions are
used: tio_error_printf(), tio_error_printf_silent(),
tio_warning_printf().
A session mode switch is introduced for error printing so that it will
print error messages with better formatting depending on in or out of
session.
* Update README
* Clean up man page
* Add support for space parity
* Rename EOL delay to Output line delay
* Replace -U,--upcase with mapping flag OLTU
* Simplify tty_write()
Robert Snell:
* Additional commands: EOL delay, lower to upper translation, added mark parity
Added command line options:
-O, --eol-delay to have a separate delay for end of line
-U, --upper to enable translation of lower case alpha to upper case
Added ability to set mark parity.
Added ctrl-t U key sequence to allow enable/disable lower case alpha to
upper case during a session.
Updated Man page with command line options, ctrl-t sequences and
configuration file options.
Updated README.md, with above information.
Changes since tio v1.42:
* Add '24hour-delta' timestamp option
When enabled this option will timestamp new lines with the time elapsed
since the line before.
This is a very useful feature to identify which events takes the most
time.
* Improve description of socket option
* Rename ChangeLog to NEWS
* Update README
* Update man page
George Joseph:
* Add Pulse DTR command
MCUs like the ESP32 can be reset if the serial port DTR line is
pulsed for a short time. You could just type CTRL-t d CTRL-t d
but that's a little awkward since you have to lift your finger
off the CTRL key to type the Ds. Now you can just type CTRL-T D.
* Added new command "D" to pulse the DTR line. I.E. Toggle its
state twice with a configurable duration between toggles.
* Added new config/command line option "--dtr-pulse-duration"
to set the duration between the DTR state toggles. The default
is 100ms.
Changes since tio v1.41:
* Update man page
ZeroMemoryEx:
* Handle malloc failure
Sylvain LAFRASSE:
* Add missing 'string.h' include.
Changes since tio v1.40:
* Rename --hex-mode to --hexadecimal
* Enable buffered writing
Read block of bytes from input and process same block for output. This
will speed things up by reducing I/O overhead.
* Enable buffered reading
Read block of bytes from input and process byte by byte for output. This
will speed things up by reducing I/O overhead.
* Refactoring
* Cleanup stdout flushing
Flushing is not needed since we disabled buffering of stdout.
* Simplify stdout_configure() code
* Simplify stdin_configure() code
* Update man page
* Update README
Changes since tio v1.39:
* Add config support for log-strip
* Add config support for hex-mode
* Rename --hex to --hex-mode
* Fix completion for -e, --local-echo
* Ignore newlines in hex output
* Fix newline in warning_printf()
* Fix ansi_printf_raw() in no color mode
* Enter non-interactive mode when piping to tio
Add support for a non interactive mode which allows other application to
pipe data to tio which then forwards the data to the connected serial
device.
Non ineractive means that tio does not react to interactive key commands
in the incoming stream. This allows users to pipe binary data directly
to the connected serial device.
Example use:
$ cat commands.txt | tio /dev/ttyUSB0
* Also strip backspace from log
To make log strip feature consistent so that we remove all unprintable
control characters and escape sequences.
* Socket code cleanup
* Cleanup man page
* Rename --log-filename to --log-file
Yin Fengwei:
* Allow strip escape sequence characters from log file
The log without escape key stripped is like:
^M[12:47:17] ACRN:\>
^M[12:47:17] ACRN:\>lasdfjklsdjf
^M
^M[12:47:18] Error: Invalid command.
^M[12:47:19] ACRN:\>
^M[12:47:26] ACRN:\>
^M[12:47:26] ACRN:\>sdafkljsdkaljfklsadjflksdjafjsda^H ^H^H...
^M
^M[12:47:31] Error: Invalid command.
After strip escape key, the log is like:
[12:49:18] ACRN:\>
[12:49:19] ACRN:\>
[12:49:19] ACRN:\>ls
[12:49:19] Error: Invalid command.
[12:49:19] ACRN:\>
[12:49:19] ACRN:\>dfaslhj
[12:49:24] Error: Invalid command.
Beside escape key, it also handle backspace key as well.
Changes since tio v1.38:
* Improve key command response for local echo and timestamp
* Fix invalid hex character error message
* Make sure only matched config section is parsed
* Add support for "disable" keyword in config file
* Unify error message formating
* Cleanup list devices code
* Fix command-line tty-device|config parsing
Allow user to add options on both sides of the provided config argument.
For example:
$ tio -b 9600 am64-evm -e
Before, tio only allowed adding arguments after the config argument.
Implemented as simple as possible by introducing two stage option parsing.
* Update bash completion
* Add support for IPv4 and IPv6 network sockets
Add support for IPv4 and IPv6 network sockets via socket syntax
"inet:<port>" and "inet6:<port>" respectively.
For example, to listen and redirect serial device I/O to a host bound
IPv4 socket simply do:
$ tio /dev/ttyUSB0 --socket inet:4444
To connect do e.g.:
$ nc 127.0.0.1 4444
Likewise, for IPv6 do:
$ tio /dev/ttyUSB0 --socket inet6:4444
To connect do e.g.:
$ nc ::1 4444
If port is 0 or no port is provided default port 3333 is used.
* Fix tio deleting unix socket file
If tio has a unix file socket open, a second tio instance of tio may
delete the socket file. This change fixes so that it will not be deleted
and tio will instead error and complain about conflicting socket file.
* Rework color option
Rework the color option to support setting ANSI color code values
ranging from 0..255 or "none" for no color or "list" to print a list of
available ANSI colors codes.
Also, disables color when piping.
* Remove print of hex mode status at startup
* Remove newline option in hex mode
* Fix configfile memory leaks
* Remove command-line option inconsistencies
Optional arguments, as parsed by the getopt_long mechanism, are
inherently inconsistent with how you define required arguments.
To avoid confusion we decide to avoid this inconsistency by replacing
optional options with additional options with required argmuments.
* Replace '1' with 'enable' in config files
* Convert errors to warnings
g0mb4:
* Extended hexadecimal mode.
While in hex mode (ctrl-t h) you can output hexadecimal values.
E.g.: to send 0x0A you have to type 0A (always 2 characters).
Added option -x, --hex to start in hexadecimal mode.
Added option --newline-in-hex to interpret newline characters in hex mode.
This is disabled by default, because, in my opinion, hex stream is
fundamentally different from text, so a "new line" is meaningless in this
context.
Changes since tio v1.37:
* Redirect error messages to stderr
* Improve help and man page
* Mention config file in --help
* Fix running without config file
* Fix config file error messages
* Redirect error messages to stderr
* Add repology packaging status
* Fix parsing of default settings
Default configuration file settings were not parsed in case a section
was matched. Now we make sure that the default (unnamed) settings are
always parsed.
* Append to existing log file (no truncation)
* Add socket info to show configuration
* Print socket info at startup
* Fix socket option parsing
Peter Collingbourne:
* Match user input against config section names if pattern matching was unsuccessful.
This allows for better config file ergonomics if the user has a diverse
set of serial devices as the name does not need to be specified in
the config file twice.
* Add support for external control via a Unix domain socket.
This feature allows an external program to inject output into and
listen to input from a serial port via a Unix domain socket (path
specified via the -S/--socket command line flag, or the socket
config file option) while tio is running. This is useful for ad-hoc
scripting of serial port interactions while still permitting manual
control. Since many serial devices (at least on Linux) get confused
when opened by multiple processes, and most commands do not know
how to correctly open a serial device, this allows a more convenient
usage model than directly writing to the device node from an external
program.
Any input from clients connected to the socket is sent on the serial
port as if entered at the terminal where tio is running (except that
ctrl-t sequences are not recognized), and any input from the serial
port is multiplexed to the terminal and all connected clients.
Sockets remain open while the serial port is disconnected, and writes
will block.
Example usage 1 (issue a command):
echo command | nc -UN /path/to/socket > /dev/null
Example usage 2 (use the expect command to script an interaction):
#!/usr/bin/expect -f
set timeout -1
log_user 0
spawn nc -UN /path/to/socket
set uart $spawn_id
send -i $uart "command1\n"
expect -i $uart "prompt> "
send -i $uart "command2\n"
expect -i $uart "prompt> "
lexaone:
* fix for using option 'log' without 'log-filename' in config file
Changes since tio v1.36:
* Make libinih a fallback dependency
This means that in case meson does not find libinih it will
automatically clone libinih and include it in the build.
The libinih library is reconfigured to be statically built so that no
shared object will be installed.
Sylvain LAFRASSE:
* Fix timestamp parsing in INI conf
* Factorize timestamp parsing to be coherent with command line format in configuration file.
Changes since tio v1.35:
* Add support for defaults in config file
If no section name is specified the configuration will be considered the
default one.
This allows to set e.g. a default color code for sections which do not
configure a color code.
* Handle SIGHUP
Handle SIGHUP so that the registered exit handlers are called to restore
the terminal back to its orignal state.
* Add color configuration support
* Bypass unused result warnings
* Force dependency on libinih
Configuration file support is considered a mandatory feature.
* Update headers
* Update AUTHORS
* Update man page
* Move string_to_long() to misc.c
* Update CircleCI config
* Update tio gif
* Update README
* Update LICENSE date
* Remove redundant COPYING file
Liam Beguin:
* Document configuration file options
* Add support for a configuration file
* misc: add _unused macro
Some parameters are expected to be unused.
Add a basic macro to mute these compiler warnings.
* options: expose string_to_long()
Expose string_to_long() so that other source files can use it.
Changes since tio v1.34:
* Add support for automatically generated log filename
Automatically generate log filename if none is provided.
The auto generated file name is on the form:
"tio_DEVICE_YYYY-MM-DDTHH:MM:SS.log"
* Add support for configurable timestamp format
Also changes default timestamp format from ISO8601 to classic 24-hour
format as this is assumed to be the format that most users would prefer.
And reintroduces strict but optional ISO8601 format.
This feature allows to easily add more timestamp formats in the future.
* Reintroduce asm-generic/ioctls.h
It is needed for ppc builds.
* Add macro hack to workaround older buggy glibc
Robey Pointer:
* Add support for high bps on OS X
Changes since tio v1.33:
* Fix setspeed2 compilation
* Only apply color formatting when using color option
To help the color blind who may use custom terminal foreground /
background colors.
* Update README
* Add '-c, --color' option
Allow user to select which ANSI color code to use to colorize the tio
text. To successfully set the color the color code must be in the range
0..255.
If color code is negative tio will print all available ANSI colors.
The default color is changed to bold white to make tio defaults usable
for most users, including color blind users.
* Fix setspeed2 check
* Fix meson header check string
* Reintroduce long timestamp format
But make the timestamp format RFC3339 compliant instead. The RFC states:
NOTE: ISO 8601 defines date and time separated by "T".
Applications using this syntax may choose, for the sake of
readability, to specify a full-date and full-time separated by
(say) a space character.
This way we keep the information specified by ISO 8601 but make it more
human readable which is better for the console output.
* Update version year
Sylvain LAFRASSE:
* Fix TTY device listing on Darwin. (#136)
* Fix TCGETS2 search on Darwin.
Changes since tio v1.32:
* Show auto connect status in show configuration
* Use '#pragma once' in all headers
* Improve printed output
Get rid of inconsistencies in the printed output (error printing,
colors, etc.).
Prepare for user configurable color.
* Rename option -i to -L
* Shorten timestamp
* Shorten timestamp description
We do not need the date part of the timestamp. It simply takes up too
much precious line space. In case of logging to file, one can easily
conclude the date from the file date information.
* Replace Travis with circleCI
* Replace autotools with meson
To introduce much simpler build configuration which is also easier to
maintain.
* Add list serial devices feature
For convenience, add a --list-devices option which lists the available
serial devices.
* Cleanup: Use dot notation for default options struct
* Update AUTHORS
* Add command to show version
The key sequence ctrl-t v will now show the version of tio.
* Align format of timestamps
* Add Sylvain as official co-maintainer
Sylvain LAFRASSE:
* Add '-t' option description for time stamping.
* Add description for time stamping.
* Resolved tio/tio#84: Added timestamps in log file if enabled.
attila-v:
* Refine timestamps with milliseconds and ISO-8601 format (#129).
* Show milliseconds too in the timestamp (#114) and log file (#124)
* Change timestamp format to ISO-8601.
Yin Fengwei:
* Output newline on stdout with hex print mode
This is to fix the issue #104. The timestamp will always be
printed at the beginning of line:
[10:25:56] Switched to hexadecimal mode
0d 0a 0d [10:25:57] 41 43 52 4e 3a 5c 3e 0d 0a 0d [10:25:58] 41
is changed to:
[12:34:56] 45 72 72 6f 72 3a 20 49 6e 76 61 6c 69 64 20
[12:34:56] 41 43 52 4e 3a 5c 3e
[12:34:56] 41 43 52 4e 3a 5c 3e
[12:34:57] 41 43 52 4e 3a 5c 3e 6c 73
Jakob Haufe:
* Make comparison POSIX compliant
String comparison with == is not POSIX compliant and can fail with e.g.
dash.