Posted on October 12, 2016 at 22:27Hey guys
i'd like to use my STM32F4 to transfer data from the MCU to the PC (and vice versa).
I thought it would be the easiest for the PC to be the host and the MCU to be the device, therefore i have worked my way through the
STM32Cube USB device library.
Now if i got this correct there are 3 possible fitting classes
HID Class
pro: does not require an extra (Win) PC driver, which is pretty nice
cons: only 64 byte per packet (i'm not so sure if this limit only applied to the config channel or all channels, maybe you can enlighten me ;))
CDC class:
pro: seams to be easy to use
cons: does need an extra VCP driver (on windows)
last but not least: the mass storage class
pros: seems to be ideal for very large data ?!
cons: does it require an extra driver?
could you fill in my blanks?
Which of these classes would you use?
