Re: Virtual Serial Port

[Mikado <mikado4vn@gmail.com>]

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>   guest writes to /dev/ttyS0
>   vmware connects its virtual S0 to the host's ttyFakeS0
>   minicom on the host to ttyFakeS0
> or even
>   vmware S0 to host's ttyS0
>   other remote machine do minicom to ttyS0
> 
> The reason for FakeS0 is that vmware does not know about ptys, 
> unfortunately.

Yes, VMWare doesn't support serial port using host's ttys any more. My
idea is:

[host - application] <- read/write -> [virtual serial port
/dev/ttyFakeS0] <- read/write over virtual null-modem serial cable ->
[host - real serial port /dev/ttyS0] <- read/write -> [VMWare - application]

But today I've just bought an USB-to-Serial converter and made for
myself a null-modem serial cable. I use this null-modem cable to connect
/dev/ttyS0 (native serial port) to /dev/tts/USB0 (USB-based serial
port). My VMWare now can use one of those devices and the host use
another one. Now above figure can be re-drawn like this:

[host - application] <- read/write -> [/dev/tts/USB0] <- read/write over
physical null-modem cable -> [/dev/ttyS0] <- read/write -> [VMWare -
application]

Anyway, later I'll try to write a device drivers act as virtual serial
ports and virtual null-modem cables.

Best regards,
Mikado.
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