April 22, 2014
5:01 a.m.
On 04/21, David Matlack wrote:
The only problem is, this times out more than half the time. And when it succeeds, it [seemingly] always takes 22 cycles.
Figured it out :). The driver was only telling the device about the lower 32-bits of the address of the ISR. That doesn't quite work on 64-bit machines! --David