On 2021-10-06 1:56 p.m., Tellrell White via USRP-users wrote:
Currently, I have an app that I've cross-compiled for the N310 and I'm
trying to read data from the I/O Expander(TCA6408a) on the
daughterboard, however, I'm getting an error stating that the "device
or resource is busy" which leads me to believe that there is a driver
already using the device. Does anyone have any insight on this?? Also,
is there any information on using I2C for the n3xx devices?
Pretty sure that MPM (part of the UHD environment) "owns" the I2C and
SPI interfaces.
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