Yep The device is a datalogger from a machine, so the data transfer must be in both ways, and in real time 🙁

Hello! Thanks for your reply! Yep, i know that windows and linux are completely different, but they are showing the same behavior. When i start the J_METER.exe one core always is at 100% use (with only 3000 cycles). A screenshot below: http://i.imgur.com/IUNPqbI.png I will do several test in windows …

Hello all! I have a problem. We have a very old machine to obtain hysteresis cycles from ferromagnetic materials in our laboratory at Spain. That machine came with a laptop (pentium 133Mhz, windows 95) and a ms-dos application to record data from that machine that uses LPT port. The application runs …