The suggested value for $14 on page 15 of the user manual (15) does not work. I understood the text to mean that E-stop and Reset were separate pins and required mask values of 1 and 8 to invert. In fact, I now believe (after reading this and trying it on my own) that the E-stop and Reset share a pin and that its inversion value is 64. Thus, the inversion mask value to invert all pins should be 70. My issues trying to resolve this are in this reddit thread.
The suggested value for $14 on page 15 of the user manual (15) does not work. I understood the text to mean that E-stop and Reset were separate pins and required mask values of 1 and 8 to invert. In fact, I now believe (after reading this and trying it on my own) that the E-stop and Reset share a pin and that its inversion value is 64. Thus, the inversion mask value to invert all pins should be 70. My issues trying to resolve this are in this reddit thread.