Wxwidgets Serial Port Programming Tutorial
Like for example suppose i want a windows app to have a few buttons such that when i press a button a particular character is sent to the serial port; now i can send a character using any serial console apps described above, but suppose i need it for use by people of non-technical background to operate this. Then it would be a bad idea to think of training the end user for operating the product using a terminal app which would obviously be difficult for non-technical people instead we can just ask the end user to press a button. But recently i figured it out how to write a simple ( totally basic command line) program to send and receive data from serial port. Well this was a good start then building upon it, I decided to build a console like Windows app in C/C( not.net) and i can say i somewhat succeeded as i was able to send and receive data using it.
I built the GUI part using wxWidgets(had to mess around a lot first to get the wxWidgets to work at beginning) and used the same C code used in the console app to deal with the UART interfacing part. Well it has a few bugs but i consider it not bad for beginners like me.Below you can find the complete code for the command lin e program. The program below uses. You can compile it using any free version of Visual Studio or using mingW. You can use Codeblocks also it comes with a pre-configured version of mingW. Most of the code is self explanatory but i will explain the important ones.Here is the link to whole project you can download it and modify it if you like.I think after going through the whole code thoroughly by now you must have understood the basics of sending and receiving data from the serial port in C using.So lets now proceed to make a more user-friendly app i.e.
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Wxwidgets Java
Sep 04, 2014 Using some resources, timers and COM ports in wxWidgets. Andres Cassagnes. Rate this: 4.79 (9 votes). The available serial port enumeration is making through the FindComm function declared and implemented in portEnum.h and portsEnum.cpp respectively. See the code.
Wxwidgets Download
A GUI(Graphical user interface) program, which should be easy to use even by the non-programmers.So using the same functions used above to send and receive data i made a GUI program. I made the GUI part using and IDE.Well Codeblocks i a great IDE and when combined with wxWidgets makes building the GUI part as easy as possible.Here is a screen shot of my app.
Wxwidgets Opengl Tutorial
Now if you want the program only and want to skip the hassle of searching for the dependencies then here it is. It contains all necessary files related to the program.However i have to warn you that this is test-only initial release and it has lot of bugs especially related to the receiving part. Because the program needs to actively keep polling the serial port buffer for any new characters received, So that it can be shown in the app window.But it requires multi-threaded programming or Inter process communication, with which i am not much familiar.So what i did was i used wxtimer to initiate a 1-Second timer and whenever the timer event was triggered i would display the characters in the lower Receive Data Box. Well this works but isn't a very clean solution to our problem.So i welcome you to modify the code and solve the issue if you like.For basic programming of serial port in linux please read the next part of this blog.