Speed of execution a code

bibibo · Joined: 30 Nov 2009 Posts: 168

I wanted to ask how many codes can be in interrupt routine but then i found this note.

* when you use a timer interrupt that occurs each 10 uS for example, be sure that the interrupt code can execute in 10 uS. Otherwise you would loose time.

Unfortunately I do not know count speed of execution a code. Could someone give me a example ?

AdrianJ · Joined: 16 Jan 2006 Posts: 2483 Location: Queensland

The Bascom simulator is a very good tool to do this. Just write the code you want to operate in a small test program, compile it, and run in the simulator. The simulator has facilities to count and reset the number of clock cycles on any part of the execution. Converting from clock cycles to real time just needs the processor clock speed.