How many interrupts is too many interrupts?

[Kevin Watson]

Originally Posted by dcbrown

Quad encoders represent 1 interrupt, the phase b line is polled during the interrupt caused by a phase a transition. The phase b is used to determine direction but shouldn't be tied to another interrupt line.

This is the case with interrupts 1 and 2, but 3 through 6 generate two interrupts per quadrature cycle.

-Kevin