Hi,
I have a need for fxload. I think I've narrowed the issues down to
the following (namely USBDEVFS_CONTROL) , so if someone could give me
a leg up on that, I'd be grateful. FreeBSD includes a predecessor
"EZload", but I don't think it works with recent devices as the
hardware technology has been sold to another company (cypress)...
Thanks,
Steve
# include <dev/usb/usbdevice_fs.h>
static inline int ctrl_msg (
int device,
unsigned char requestType,
unsigned char request,
unsigned short value,
unsigned short index,
unsigned char *data,
size_t length
) {
struct usbdevfs_ctrltransfer ctrl;
if (length > USHRT_MAX) {
fputs ("length too big", stderr);
return -EINVAL;
}
/* 8 bytes SETUP */
ctrl.bRequestType = requestType;
ctrl.bRequest = request;
ctrl.wValue = value;
ctrl.wLength = (unsigned short) length;
ctrl.wIndex = index;
/* "length" bytes DATA */
ctrl.data = data;
ctrl.timeout = 10000;
return ioctl (device, USBDEVFS_CONTROL, &ctrl);
}
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