Hi, I'm having a problem understanding what is happening when it comes to detecting when an ISR has changed a global variable. I wrote the little program below and I'm seeing some different behaviors. Of the four test functions below only number two works as desired. The others appear to be hang…

Interrupts and Global Variable Access

fcwilt August 26, 2016, 12:04am 7

Hi,

Yes that was the problem.

Complete slipped my mind.

Thanks very much.

Frederick