code c++

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In niosII i don't knows how excute it without command prompt ?

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command prompt is similar to niosii console. You can use printf() or getc() functions for user interaction if STDIN/STDOUT is set to your JTAG UART of your niosII design. This is a default setting and normally you should not need to set it by yourself.

So this should work the way you are used to.

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and the processeur niosII read the file script .txt?

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Problem here, you must transfer the script.txt to your embedded system in order to access it from niosII. For example you can load it in your FLASH or RAM.

If you want to read it from your PC-filesystem you have to set up a communication-protocol between the niosII based embedded system and your PC. For example via UART or even the JTAG UART (using my_jtag_atlantic.h).

Regards