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Example source code for Virtual Serial Port device driver

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elektrom

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virtual serial driver source code

I'm looking for an example source code to make a virtual serial port device driver on Windows & Linux. This will be used for a USB <-> RS232 converter.

Please let me know where i could find it
 

S

sick_man

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com port driver example source code

but do you want the device too appear as a driver driven usb device

or simply too derive 115k constant stream as a max

.... if you need a device that translates and recodes too the correct

stlyle then you need an api for a usb device and mirror its kernal
this always addears too a standard set of calls and returns

so you need usb2 spec and other means any other way

it is better too use a dedicated controller

you can find info by typing into google
usb2 controllers -- device drivers + api
youll find heeps of ready made chips that give an output serial ports

as premade e chips

you can then call it as a device using the chips driver {usually supplied}
be more specific

code is

as long as .... exp

so the best is too give more information as per your request
 

elektrom

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serial port device driver source code

Thank you very much, !!!MONEY!!!

I'm making my own low speed USB device and I want user could use it easily via serial port. So, I will try to find the way to make a driver as your recommend.

For me, a USB driver is not so difficult. But making a virtual serial port driver is not easy for me.

Thank again for your kindly advice.
 

uther8472

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virtual serial com driver source code

hi,

There is something called POSUSB
(COM port interface for USB Point-of-Sale devices) (made by MS in 1999)

not available in any MS site now...
You have to do google/google groups search....

maybe someone will have that file


uther
 

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