Hi Gary, Thanks for your response. Having changed back to the ps2000 headers, I'm still having the exact same problem however. The "ps_open_unit()" function isn't defined anywhere in the ps2000.h header file, so isn't recognised by Xcode. After then including "libps2000.2.dylib", I don't see the err...

I am trying to program my PicoScope 2000 Series (2204A) and have included the ps2000aApi. I am trying to follow the steps and the first is to call the ps2000_open_unit() function, but this isn't even being recognised by Xcode. I have checked the headers and indeed the function isn't included in any ...