Inconsistent/incorrect AIN values and Segmentation fault error

[omundy]

I encountered two separate issues with PyBBIO, summarized below and documented in detail here: http://stackoverflow.com/questions/10611294/reading-analog-in-on-beaglebone-avoiding-segmentation-fault-error.

PROBLEM 1: Inconsistent/incorrect AIN values

With a sensor plugged-into any analog-in port, all of the values I read with PyBBIO will practically match each other. But if I use another Python library or os module to access the values they are different according to what I expect.

PROBLEM 2: Segmentation fault error

If I try the following with a photoresistor plugged-in I get a real value.
cat /sys/bus/platform/devices/tsc/ain1

But if I run an PyBBIO code that accesses any of the analog-inputs and then try to run the above cat I get a Segmentation fault error.

[alexanderhiam]

Thanks for the very thorough testing! I have not gotten around to doing much testing of the ADC functions yet myself, so I'm not surprised there are a few problems.

The segfaults after running the library mean I'm missing something in my ADC cleanup, which shouldn't be too hard to track down.

I'm not sure what's going on with the first problem, besides that I've clearly done something wrong!

I'll get working on these as soon as possible.

[omundy]

Absolutely, I've enjoyed playing around with it. Your library has been helpful for someone like me moving from Arduino. Thanks for working on it.

[alexanderhiam]

Moved PROBLEM 1 to Issue 2 and closed.
Moved PROBLEM 2 to Issue 3.