![]() Of course, hardware manufacturers increase sales when consumers have to replace working peripherals with new ones with the authentication-enabled chips. disables genuine product as collateral damage in their private war on knockoffs.punishes innocent consumers who bought hardware with fake chips, for something done early in the supply chain that the consumer had no knowledge of.The solution is for hardware manufacturers to vote with their feet and not continue purchasing chips from a company that (End technical explanation, begin economic one) But then you are stuck on an old buggy driver version. However, there's no actual incompatibility with the OS, and reverting to a driver version before the authentication feature works around the issue. Those chip versions are officially listed as "not supported on Windows 8" on Prolific's site. Prolific's older chips don't have the authentication either, so the driver treats them like fakes. ![]() If the hardware doesn't pass authentication, the driver goes into Code 10 status. So they added authentication to their newer chips, and newer driver versions. Prolific has a big problem with fake chips. You can either help me solving this problem or give me another different solution (because, in fact, what I want to do should not be that complicated). > Prolific USB-to-Serial Comm Port (COM4)įrom what I've understood the "error 2" is "file not found". The console output is : CreateFile failed with error 2.įinally (a part of) my device manager ( screenshot): Port (COM et LPT) Printf ("CreateFile failed with error %d.\n", GetLastError()) Handle = CreateFile("\\\\.\\COM4", GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL) ![]() The solution I'm trying to implement on Windows 8 is currently not working. I do not need to read any anwer nor anything coming from the device. This message is just a number between 0 and 255 encoded on 8 bits (nothing more complicated than that). I need to send 8 bits (a byte) to a device via serial communication. ![]()
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