How to read/write data from/to USB port ?

[GuyM]

Well, that depends on the driver for your specific device. If your device's USB driver acts like a serial-port then you need the ReadFile() and WriteFile() (just like in a serial port) Otherwise, you'll have to refer to the documentation/spec of your device ...

[ashokbngr]

can u please send sample code for this. Thanks In Advance Ashok.

[ashokbngr]

I am very new to this USB communication. can u please send sample code for this or any links???????? Thanks In Advance Ashok.

[Cedric Moonen]

ashokbngr wrote:

can u please send sample code for this or any links????????

No, because I don't have any information to give a piece of code. What device are you trying to communicate with ?

---

Cédric Moonen Software developer
Charting control [v1.2 - Updated]

[GuyM]

Again, assuming your device's USB driver acts like a regular serial-port : http://www.codeproject.com/system/chaiyasit_t.asp[^] Otherwise ... :confused:

[David Crow]

Cedric Moonen wrote:

What device are you trying to communicate with ?

Come on, Cedric, it's a universal serial device!

---

"A good athlete is the result of a good and worthy opponent." - David Crow

"To have a respect for ourselves guides our morals; to have deference for others governs our manners." - Laurence Sterne

[Mark Salsbery]

Cedric Moonen wrote:

What device are you trying to communicate with ?

This[^] device!

"Posting a VB.NET question in the C++ forum will end in tears." Chris Maunder

[Hamid Taebi]

But which Blue or White!

---

WhiteSky

---

[Rajesh R Subramanian]

LOL. 5.

[Mark Salsbery]

:doh: Still not enough info! Or yellow...

"Posting a VB.NET question in the C++ forum will end in tears." Chris Maunder