Hi Freddy, Welcome to the TI E2E Forums! You are talking about writing your own code to run on the PC side (i.e. in place of the EVM GUI), correct? It's probably possible but not something we will be able to provide you with much support on. Since the ADS1261 is a generic USB bulk device, you'll have to find a way to interface to it. Something like libusb would probably work. Once you have an working interface, you could reference the EVM command list in the ADS1261EVM User's Guide to see the available commands. All of these commands are just ASCII formatted strings. Reading data might be a bit tougher since return data is not ASCII encoded, but binary encoded. As far as drivers go, you could use the driver included with the Delta-Sigma EvaluaTIon software or otherwise use Zadig to associate the ADS1261EVM with the WinUSB driver. I hope that helps!
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