forked from stephane/libmodbus
-
Notifications
You must be signed in to change notification settings - Fork 0
/
NEWS
378 lines (320 loc) · 14.4 KB
/
NEWS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
libmodbus 3.1.1 (2012-XX-XX)
============================
- Fix socket value on init/close
- Returns -1 on invalid mode in modbus_rtu_set_rts
- Protect all public functions against invalid context
- Sleep for delay of response timeout before reconnect (closes #77).
Thanks to Karl Palsson.
- Baud rate until 4,000,000 (POSIX), 1,000,000 (Windows) (closes #93)
- New modbus_get|set_float_dcba to get|set float in inversed byte order
- Remove unsupported -Wtype-limits for GCC < 4.3.5 (closes #109)
- Enable out-of-source build. Thanks to Yegor Yefremov.
- Fix alignment problem on ARMv5 platform
- Improvement to Debian package. Thanks to Alexander Klauer.
- Improve support of VS 2005. Thanks to Petr Gladkiy.
- Add documentation for modbus_mask_write_register (closes #91).
Thanks to Martijn de Gouw.
- Avoid C99 declaration in win32 section code (closes #92).
Thanks to oldfaber and endrelovas.
- Add a windows scripting host configure file.
Thanks to oldfaber and Stéphane Raimbault.
- Fix typo in modbus_strerror documentation. Thanks to Mirko Rajkovaca.
- Rename reserved C++ keywords of modbus_mask_write_register.
Thanks Tobias Doerffel.
- Another quick workaround for deficient OS (closes #63)
- Add support for Mask Write Register
- Fix missing close on socket in random-test-server.
Thanks to Damian Zieliński.
- Use nonblocking sockets on Win32 and OS X/iOS too.
Thanks to Julian Raschke.
- Fix all compilations warnings spotted by new compilation flags
- Major update of build system
- Calculate RTS activation time by send length
- Dynamic memory allocation of device name (closes #11)
- Add unit tests for modbus_mapping_new
- Add Visual Studio 2008 project files by oldfaber
- Fix missing argument in synopsis section of modbus_rtu_set_serial_mode
- Fix wrong constant names to create version number
- More compilation fixes for Windows by oldfaber.
- Fix wrong constant names to create version number.
Thanks to Denis Davydov.
libmodbus 3.1.0 (2012-06-22)
============================
Major changes to handle many slaves in RTU mode, non blocking connections and
RTS flow control.
- Fixes for Microsoft Visual C++ compiler
- Fixes for Windows. Thanks to oldfaber
- Return value of _modbus_tcp_pi_connect() on failure (closes #61)
- Avoid ioctl call on non-RS485 ports. Thanks to Michael Haberler
- Display node and service in PI and port in IPv4 at connection
- Return -1 on getaddrinfo error and print error in debug mode
- More robust way to establish the connection in non blocking mode
- TCP - Socket in non blocking mode by default. Thanks to Thomas Stalder
- Apply CLOEXEC flag for TCP protocol independent too (IPv6)
- New RTU receive() to ignore confirmation from other slaves (closes #18)
- Move RTU filtering in CRC check to avoid useless call to modbus_reply
- Unique transaction identifier by TCP connection
- Use accept4 with SOCK_CLOEXEC when available (Linux)
- Open fd and socket with the CLOEXEC flag when available
- Exception response on report slave ID wasn't detected (closes #27)
- Provides a way to disable the byte timeout (Alex Stapleton)
- Added slave ID check for response messages (Alex Stapleton)
- RTS flow control with modbus_rtu_set_rts and modbus_rtu_get_rts
functions by Torello Querci <[email protected]> and Stéphane Raimbault.
libmodbus 3.0.4 (2012-05-08)
============================
- autogen.sh creates symlinks instead of copies
- Add missing m4 directory (closes #103)
- Fix alignment problem on ARMv5 platform
Thanks to Alexander Dahl
- Remove useless test on error_recovery argument
Thanks to Carlos Tangerino
libmodbus 3.0.3 (2012-05-25)
============================
- Fix another Visual C++ 2008/2010 deficiency (closes #53)
- Add -lsocket to compile on QNX
- Fix TCP PI init under Windows.
Thanks to oldfaber.
- Fix a missing free in random-test-client
Thanks again to Stefan Finzel.
- Fix OMG bug in modbus_mapping_free not freeing memory.
Thanks to Stefan Finzel for the bug report.
- Fix semicolon typo and unistd.h include under Windows.
Thanks to Andrew Kravchuk.
libmodbus 3.0.2 (2012-01-16)
============================
- Update Debian package
- Documentation fixes and additions
- Add missing C++ macros in public headers.
Thanks to Bernhard Agthe.
- Protects modbus_mapping_free against NULL argument.
Thanks to Andrea Mattia
- Fix check on file doc/libmodbus.7 in acinclude.m4 (closes #28)
- Close file descriptor when the settings don't apply in RTU.
Original patch provided by Thomas Stalder.
- unit-test.h is now generated to avoid config.h dependency.
- Request for Windows Sockets specification version 2.2 instead of 2.0
Thanks to Pavel Mazniker for the report.
libmodbus 3.0.1 (2011-07-18)
============================
- Avoid useless serial_mode integer when TIOCSRS485 isn't supported
- Fix compilation failure on Windows (RS485 support) by Tobias Doerffel
- Properly check TIOCSRS485 define by Matthijs Kool
- Rename package to libmodbus5 to fix lintian warning
libmodbus 3.0.0 (2011-07-11)
============================
- Revert libmodbus licence from LGPLv3 to LGPLv2.1 to avoid
incompatibility with GPLv2 program. This change has been approved
by Tobias Doerffel, Florian octo Forster and Hannu Vuolasaho.
- Enable RS485 support only when available
- Export modbus_set/get_serial_mode functions on all platforms
- API change for read/write multiple registers function:
* modbus_read_and_write_registers -> modbus_write_and_read_registers
The function name was confusing because the write operation is performed
before the read. Take care to swap the arguments in the migration process.
- Documentation of modbus_write_and_read_registers, modbus_mapping_new/free,
report_slave_id. modbus_get_byte_from_bits, modbus_set_bits_from_byte(s),
modbus_[gs]et_float, modbus_reply and modbus_reply_exception.
- Enhanced report slave ID
- New RPM spec file to package documentation and development files
libmodbus 2.9.4 (2011-06-05)
============================
- IPv6 support
Make the TCP implementation "protocol independent" by Florian Forster
and Stéphane Raimbault.
- Fix compilation on Windows 7 (x64) with MinGW/MSYS and GCC 4.5
Reported by Patsy Kaye.
- Documentation of libmodbus functions with AsciiDoc (man and HTML) by Stéphane
Raimbault
- Avoid an iteration in flush function
- New functions to send and receive raw requests (modbus_send_raw_request,
modbus_receive_confirmation)
- Fix flush function of TCP backend on Windows
- API changes for server/slave:
* modbus_receive doesn't take socket/fd argument anymore
* new function modbus_set_socket to set socket/fd
- API changes for timeout functions:
* modbus_get_timeout_begin -> modbus_get_response_timeout
* modbus_set_timeout_begin -> modbus_set_response_timeout
* modbus_get_timeout_end -> modbus_get_byte_timeout
* modbus_set_timeout_end -> modbus_set_byte_timeout
- Fix longstanding limitation of server to wait forever
- New functions modbus_set/get_serial_mode by Manfred Gruber and Stéphane
Raimbault for RS485 communications
- Improved recovery mode (see modbus_set_error_recovery documentation) for
data link and protocol errors.
- Fix compilation issue with Microsoft Visual Studio 2008.
Reported by Allan Cornet.
libmodbus 2.9.3 (2011-01-14)
============================
- Major rewriting of the message reading (no more timeouts on exception)
by Stéphane Raimbault
- New function to reply to an indication with an exception message
modbus_reply_exception()
- New function modbus_get_header_length(modbus_t *ctx)
- New functions to manipulate data:
* MODBUS_GET_INT32_FROM_INT16
* MODBUS_GET_INT16_FROM_INT8
* MODBUS_SET_INT16_TO_INT8
- Fix GH-2. Read/write were swapped in _FC_READ_AND_WRITE_REGISTERS
- Install an ignore handler for SIGPIPE on *BSD
Original patch by Jason Oster.
- Fix closing of Win32 socket.
Reported by Petr Parýzek.
- Fix unit identifier not copied by the TCP server.
Reported by Antti Manninen.
- Fix missing modbus_flush() in unit tests
- Fixes for OpenBSD by Barry Grumbine and Jason Oster
libmodbus 2.9.2 (2010-12-05)
============================
- Win32 support by Tobias Doerffel
- Split source code around RTU and TCP (backends)
- Rename modbus_[listen|accept] to modbus_tcp_[listen|accept]
- Remove slave argument from modbus_new_rtu()
- Check received function code
- Fix segfault in bandwidth-server-many-up on inet_ntoa() call
- Fix unit test of report slave ID in RTU
- Fix GH-3. Remove inclusion of config.h in modbus.h
- Correctly detect if we are cross-compiling for win32 by Kirill Smelkov.
- Fix setting of the broadcast address
libmodbus 2.9.1 (2010-08-16)
============================
- Brand new API (see MIGRATION notes)!
- Remove the internal function set_message_length_tcp
- Restore slave ID (server ID) argument in functions
- Error conventions of POSIX systems and error recover
- Parity setting is now a single char ('N', 'E' or 'O')
- Report slave ID server side
- OpenBSD support by Anibal Limón.
- New read and write registers function by Hannu Vuolasaho.
- Versioning infrastructure
Inspired by the Clutter project and the work done by Florian Forster.
- Fix the broadcast constant (255 -> 0)
Reported by David Olivari.
- Fix #463299 - New functions to define the timeouts of begin and end of trame
Original patch by Sisyph (eric-paul).
- Fix #591142 - Slave id check should be disabled in TCP connection
Reported by aladdinwu.
libmodbus 2.1.0 (2010-03-24)
============================
- New API to read and write float values by Stéphane Raimbault and Florian
Forster.
- New API for slave server (see MIGRATION)
- New slave server able to handle multiple connections
- Slave only replies to broadcast queries or queries with its slave ID
- Improved Modbus protocol conformance
- modbus_param_t is smaller (2 int removed)
- Better error management and SIGPIPE signal is blocked
- Faster
- Fix #333455 - Cygwin IPTOS_LOWDELAY not supported on cygwin
Reported by Jeff Laughlin and Yishin Li.
- Fix #375926 - modbus.c:164: error: `MSG_DONTWAIT' undeclared
Reported and tested by Yishin Li.
- Fix #378981 - CRC error on RTU response doesn't return negative value
Reported by Henrik Munktell.
- Fix report slave ID request
Patch (bzr) provided by Paul Fertser.
- Fix #425604 - Conditional jump or move depends on uninitialised value(s)
Occurs on first occurence of slave timeout.
Reported by Henrik Munktell.
- Fix #457200 - FreeBSD support
Patch provided by Norbert Koch.
Other changes:
- The code is now published and developed on
http://github.com/stephane/libmodbus
- Waf support has been removed
libmodbus 2.0.3 (2009-03-22)
============================
- Fix CRC error when a slave RTU send a response.
Thanks to Justin Carroll to have reported and tested my patch.
- Remove an assignment in compute_response_length()
- Remove duplicate counter in read_io_status()
- Fix #274511 reported by 'Kylesch'
Invalid error check in modbus_init_listen_tcp
libmodbus 2.0.2 (2008-08-10)
============================
- Fix a bug reported by email by Davide Pippa
The function modbus_receive must check the number of values
indicated in the response accordingly to the query.
- Fix #241006 reported by Jesus Hernandez Tapia
modbus_check_response() crashes on an invalid exception code
- Reduce the number of function calls (read_reg_response and
preset_response have been removed)
- Add a new unit test for bad response
- Catch the timeout even if the length is equal to a exception trame
- Test only msg_length_computed on change
- Many comments and cleanups
libmodbus 2.0.1 (2008-07-02)
============================
- Include libmodbus.spec in the tarball
- Fix #241006 reported by Jesus Hernandez Tapia
modbus_check_response() crashes on an invalid exception code
libmodbus 2.0.0 (2008-05-18)
============================
- Slave API
https://blueprints.launchpad.net/libmodbus/+spec/slave-api
- No more glib dependency
https://blueprints.launchpad.net/libmodbus/+spec/glib-dependency
- Unit testing and many test programs
- Waf build support
https://blueprints.launchpad.net/libmodbus/+spec/waf-support
- MacOS X support by Matthew Butch
https://blueprints.launchpad.net/libmodbus/+spec/macosx-support
- Unit testing (unit-test-slave and unit-test-master)
- Port number is now defined at initialisation by Dirk Reusch
- Better memory management (uint8_t *data and packing of
modbus_param_t)
- Better error management
- Declare many static functions and const arrays
- Enhance an integer division
- The GNU licences LGPL and GPL are in version 3
- Debian and RPM packages (#224496)
- Many cleanups
- Fix #159443 reported by Stefan Bisanz
Index of incoming data in force multiple coils function
- Fix #161989 reported by Konstantinos Togias
Serial device paths more than 10 chars long (eg. /dev/ttyUSB0) don't
fit to modbus_param_t -> device char[11] var.
- Fix #188189 reported by Chris Hellyar
Compute_response_size() no entry for read_input_status()
- Fix #191039 reported by Todd Denniston
modbus.h is not installed at prefix.
- Fix #211460 reported by Todd Denniston
With TCP, automatic reconnect on error may not be desired.
- Fix #224485 reported by Todd Denniston
libmodbus does not link with c++ code.
- Fix #224496 reported by Todd Denniston
It is easier to install on rpm based systems with a spec file.
libmodbus 1.2.5 (2008-05-18)
============================
- Fix #224485 reported by Todd Denniston
libmodbus does not link with c++ code.
libmodbus 1.2.4 (2008-03-14)
============================
- Fix #191039 reported by Todd Denniston
modbus.h is not installed at prefix.
libmodbus 1.2.3 (2008-02-03)
============================
- Fix #188189 reported by Chris Hellyar
Compute_response_size() no entry for read_input_status()
- Fix #181887 reported by Jesus Hernandez Tapia.
Slave address in build_request_packet_tcp() is hardcoded as 0xFF.
libmodbus 1.2.2 (2007-11-12)
============================
- Fix #161989 reported by Konstantinos Togias
Serial device paths more than 10 chars long (eg. /dev/ttyUSB0) don't
fit to modbus_param_t -> device char[11] var.
- Structure is also bit better 'packed' to conserve memory (see the
trunk for a real enhancement).
libmodbus 1.2.1 (2007-11-02)
============================
- Fix #159443 reported by Stefan Bisanz
Index of incoming data in force multiple coils function
- Deleted useless code in check_crc16()
- Untabify source code
- Changed author's email to Stéphane Raimbault
libmodbus 1.2.0 (2007-05-10)
============================
- FIX Compilation GCC-4.0
- Project name in autogen.sh