Xxusb_Reset_Toggle; Xxusb_Register_Write - Wiener VM-USB User Manual

[in] Pointer to a variable containing the handle to be closed.
Return Values
Returns negative upon failure.
Remarks
While all xxusb functions rely on the libusb (www.sourceforge.net) functions while
communicating with XX-USB, xxusb_device_open and xxusb_handle_close are simply
macros creating aliases to usb_open and usb_close functions of the libusb library.

6.5 xxusb_reset_toggle

The xxusb_reset_toggle function toggles the reset state of the FPGA while XX-USB is in
programming mode – rotary selector set in one of four P* positions.
WORD xxusb_reset_toggle{
HANDLE hDevice,
};
Parameters
hDevice
[in] Handle to the XX-USB device.
Return Values
Returns negative upon failure.

6.6 xxusb_register_write

The xxusb_register_write sends a data buffer to XX-USB, causing the latter to store the
desired data in the target register.
WORD xxusb_register_write{
HANDLE hDevice,
WORD wRegisterAddress,
DWORD dwRegisterData
};
Parameters
hDevice
[in] Handle to the XX-USB device.
wRegisterAddress
[in] Address of the XX-USB register.
For a list of XX-USB addresses, see Remarks
dwRegisterData
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