On Thursday, September 15, 2016 at 4:36:19 PM UTC-5, William Hermans wrote:
> The PRU hads to access the ADC through the L3_interconnect bus too . . .
> so the control register for the L3_interconnect must also be enabled.
That makes sense... But the TRM seems not to disclose the location of this
register. Some googling indicates that the L3/L4 interconnects are
OTOH, I am still wondering if my kernel isn't the root cause. It seems
clear that other people have been able to get ADC control from the PRU, but
with 3.8 or 4.1 kernels. I could revert to an older kernel version, but
that feels like the wrong approach. I have also been looking at the IIO
system, which may be a better approach as it would be more "standard" and
portable than using the PRU. (But I *like* using the PRU - it's a nice
hammer looking for a nail!)
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