Hi,
On 2014-05-30 07:03, Xiaofan Chen wrote:
On Thu, May 29, 2014 at 7:18 AM, Steve Soloski
<[email protected]> wrote:
> ftdi_set_interface(dev, INTERFACE_B);
> ftdi_usb_open(dev, PICAM_USB_VID, PICAM_USB_PID);
I believe you need to reverse the order of the previous two
calls. You need to open the device and then set_interface.
no, the order is correct.
With the order reversed ftdi_set_interface() errors out with:
"Interface can not be changed on an already open device"
Cheers
Anders
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