Posted on May 17, 2011 at 11:36 i am new to USB and i wan to develop a windows application in vc++ which can read and write data to the st9 device. The st9 device is on a st9 aplication board with USB interface. I have taken the HANDLE of the device using createfile function, But now i want to write data to this device using writefile or deviceIoControl , and i am getting a return error code of value 1, which means Wrong function.
Does anyone has some idea
Please help
Thanx in advance
