PRUDAQ is a fully open source 40MSPS Data Acquisition (DAQ) cape for the BeagleBone Black or Green designed by Jason Holt and his team at Google Research with a software collaboration from the BeagleLogic creator, Kumar Abhishek. We assisted with manufacturing and beta testing. PRUDAQ was created to address a need not currently addressed by the market for a portable and low-cost DAQ system that doesn't compromise on performance. This is not an OFFICIAL Google product.
A the heart of this cape is the Analog Devices AD9201 10-bit ADC which can sample two inputs simultaneously at up to 20MSPS per channel. Google Research has developed open-source software specifically for this board consisting of embedded software for the programmable real-time units (PRU) onboard the BeagleBone as well as software for pulling the data into the CPU for processing and storage. Be sure to read the PRUDAQ Wiki to better understand what PRUDAQ is and what its potential applications are as designed.
The available BeagleLogic image created specifically for this cape leverages both PRUs on the BeagleBone and has a kernel module that uses the Linux DMA API to obtain better PRU-memory transfer speeds than can be achieved through "libprussdrv" implementations.
(beaglebone black not included)
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