sending data through USB port

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alexnovice

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My problem is that I would like to send the data from a C# or C++ interface in Windows through the USB port and then display the result on the board's LED display ., I'm inexperienced in C#/C++ programming, I would like some hints on:
1. which is better for my project: C# or C++ ?
2. how can I send data through the USB port to arduino?

plz reply., its urgent., thnx
 

I use C# programming,it's so easy to communicate PC if you use USB HID.but arduino i do't know how to do it.Notlongbefore i desigen a 32X32 RGB led matrix display.Use C#,USB HID too.
 

Out of curiosity: how do do USB hid communication in C#? I've done that for my masters thesis using some 3rd party library from Codeproject but had some issues with it (i.e. not working with 64-bit OS). I can imagine that it is simple is device operates in CDC mode emulating a virtual serial port, but otherwise i have no idea.

Arduino uses FT232 or similar chip so it is also virtual serial port which means it is easy (unless there are some restrictions from arduino firmware side, i dunno since I've never used arduino)
 

can you give me sample code on how to do it using C#?
 

This exactly what i have used. I works quite ok at low speeds (64kB/s) and only in 32-b bit systems.
 

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