This is on Windows 10. In my project we previously used D2XX to interface with a FTDI USB-to-Serial device. It worked great. Now we introduced an additional USB-to-Serial device, but I’ve just realized that it wasn’t actually a FTDI device. It appears as a generic Microsoft "USB Serial Device": So of course the FTD2XX library ..
I have a simple program that attempts to write data via the serial port using the FTDI D2xx Library. The program just opens the port, and attempts to write data at a rate. On my oscilloscope occasionally I will see a 1 missing. I also can only see data with a call to SetBreakOn, and ..