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I’m building a thingy that will have a usb interface, I’m pretty keen on the FT232RL for this purpose. The manufacturers offer virtual com port drivers for linux and windows. I haven’t really done this sort of thing before so I was wondering if anybody can tell me why one might want to use a VCP driver or point me in the direction of some resources on the topic. I’m assuming it’s just for the sake of simplifying the process of writing a driver but i’m really not certain right now.
In this case, VCP stands for “Virtual COM Port”. If you use the drivers from FTDI, they will create a virtual COM port on your computer when you plug in the device. Nearly every language has a library for sending and receiving bytes on COM ports (e.g. System.IO.Ports.SerialPort), so your device will be usable from all of those languages. You will not have to write a driver.