Interrupts are signal that interrupt the normal flow of a program. They are usually used for hardware devices that require immediate attention when events occur. To handle the periodic interrupt, the ...

Another routine blocks on the flag and then does the actual work required. Because the interrupt service routine needs to be fast, it has to be in RAM.

Set up your timing interrupt and attach the interrupt service routine. This step depends on your platform, the following code snippet assumes the code is running on Arduino Uno and is using the ...