[Boost-users] Simple serial port demonstration with boost asio asynchronous I/O

[Jeff Gray]

A couple of weeks ago I posted a simple asynchronous demonstration of a
telnet client using boost asio TCP network code.

I have changed this code to turn it into a simple serial terminal
application using the serial port support in the new version of boost asio.

It required no changes at all the the read or write code. I just altered
the initialization to use a serial port instead of a socket.

Note that this is not intended to show how a fully functional
application would work. There are plenty of areas that are not handled
in this code. But it shows the idea and it's easy to build on this once
you've got it working.

Hope this helps someone else get started...
Jeff

[Andrew Maclean]

Once again a nice example.
On line 34 just change:

if (not serialPort.is_open())
to:
if (!serialPort.is_open())

The CMakeLists.txt file I posted in your telent client thread also
works here by changing two lines, line 1 the project name and line 92
the source file.

These are good convincing demonstrations of the utulity of asio!

Thanks
Andrew

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[jhodapp]

Jeff,

I am writing to get your permission to use your simple serial port
example, minicom, based on boost::serial_port in my open source project.
Your example was most useful and the only example that I could find that
would adequately show an effective way to use serial_port and also
boost::asio::io_service with it. I have based the structure of my
implementation on what you have done with some adaptations. For your
information, my project will be licensed under the Simplified BSD License.

Thanks,

Jim
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[jhodapp]

Any reason why you can't use Ubuntu's package for Boost? Do you need the latest version of Boost? If you use the Ubuntu packages, you should have no issues as I was successfully able to run that example on my Ubuntu installation.

On Aug 27, 2011, at 9:55 AM, drwho [via Boost] wrote:

New to boost. (Ubuntu 10.10) Downloaded boost 1.47 source.  Built it with ./bootstrap.sh and ./b2 Keep getting linker failure, undefined reference to `boost::system::get_system_category() in my QT app. Tried your serial example from bash, same thing....

drwho@drwho-desktop:~/Projects/prog$ g++ -Lboost/stage/lib -lboost_system -lboost_thread serial.cpp -o test
/tmp/ccvTv9iN.o: In function `__static_initialization_and_destruction_0(int, int)':
serial.cpp:(.text+0x3cf): undefined reference to `boost::system::get_system_category()'
serial.cpp:(.text+0x3d9): undefined reference to `boost::system::get_generic_category()'
serial.cpp:(.text+0x3e3): undefined reference to `boost::system::get_generic_category()'
serial.cpp:(.text+0x3ed): undefined reference to `boost::system::get_generic_category()'
serial.cpp:(.text+0x3f7): undefined reference to `boost::system::get_system_category()'
/tmp/ccvTv9iN.o: In function `boost::system::error_code::error_code()':
serial.cpp:(.text._ZN5boost6system10error_codeC1Ev[boost::system::error_code::error_code()]+0x10): undefined reference to `boost::system::get_system_category()'
/tmp/ccvTv9iN.o: In function `boost::asio::error::get_system_category()':
serial.cpp:(.text._ZN5boost4asio5error19get_system_categoryEv[boost::asio::error::get_system_category()]+0x7): undefined reference to `boost::system::get_system_category()'
collect2: ld returned 1 exit status

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