Blinking LED - stays on

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Moving the definition of 'delay' outside the function, and making it

volatile int delay;

will force the compiler to generate the code loop.

I'd also add two more zeros to the count.

At a guess, the delay loop is about 20 clocks (with volatile data), at 100MHz you'd need about 2500000 iterations to get 1Hz flash.

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This worked perfectly, pretty cool seeing the LED blinking. Also, tried doing it in the manner that Sanmao suggested.

A follow up question; I am working on a project this semester with video (long shot) or image processing, if I add more memory to my SOPC build will I have to worry about manually controlling memory like I did in this code? Or is that something that I will know as I actually begin my project?

Thank you for the help.