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How to implement a Virtual Com Port on USB Host in STM32F4xx?

wxd_wave
Associate
Posted on April 24, 2015 at 08:51

Require:

 

I use the library(STM32_USB-Host-Device_Lib_V2.1.0). 

I run the example ''USB_Device_Examples\VCP''

I find STM32F4xx as USB Device in the example.

But in my design, STM32F4xx will be as USB Host on VCP. Because I require many com ports.

Questions:

 

1.   STM32F4xx  as USB Host,  other chips as USB device,  communication by Virtual Com Port.   Current USB Library  can do it ?

2.   If first can do,  How many virtual com ports will be virtualized? 

3.   If first and second can do, What to do?

Please.
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