[Rickertsen2]

Originally Posted by Larry Barello

Thanks. This actually might be useful. I have some tasks that are (relatively) infrequent, but could easily be done in the interrupt handler as long as I don't shut the frequent, high speed stuff down (e.g. quadrature encoder input). The design requires only one level of nesting.

So, to conclude, to enable interrupts, within the low priority handler, I simply write a 1 to the global interrupt enable flag?

I am not 100% sure, but am fairly sure that it is never disabled to begin with, and you should be able to nest interrupts as is.