internal unsafe CyUSBEndPoint(IntPtr h, USB_ENDPOINT_DESCRIPTOR* EndPtDescriptor, USB_SUPERSPEED_ENDPOINT_COMPANION_DESCRIPTOR* SSEndPtDescriptor)
{
_hDevice = h;
if (EndPtDescriptor != (USB_ENDPOINT_DESCRIPTOR*)0)
{
int pkts = (EndPtDescriptor->wMaxPacketSize & 0x1800) >> 11;
pkts++;
_dscLen = EndPtDescriptor->bLength;
_dscType = EndPtDescriptor->bDescriptorType;
_address = EndPtDescriptor->bEndpointAddress;
_attributes = EndPtDescriptor->bmAttributes;
_maxPktSize = (EndPtDescriptor->wMaxPacketSize & 0x7ff) * pkts;
_interval = EndPtDescriptor->bInterval;
_bIn = (Address & 0x80) > 0;
}
if (SSEndPtDescriptor != (USB_SUPERSPEED_ENDPOINT_COMPANION_DESCRIPTOR*)0)
{
_ssdscLen = SSEndPtDescriptor->bLength;
_ssdscType = SSEndPtDescriptor->bDescriptorType;
_ssmaxburst = SSEndPtDescriptor->bMaxBurst;
_maxPktSize *= (_ssmaxburst + 1); // Multiply the Maxpacket size with Max burst
_ssbmAttribute = SSEndPtDescriptor->bmAttributes;
if ((_attributes & 0x03) == 1) // MULT is valid for Isochronous transfer only
_maxPktSize *= ((SSEndPtDescriptor->bmAttributes & 0x03) + 1); // Adding the MULT fields.
_ssbytesperinterval = SSEndPtDescriptor->bBytesPerInterval;
}
}
internal unsafe CyBulkEndPoint(IntPtr h, USB_ENDPOINT_DESCRIPTOR* EndPtDescriptor, USB_SUPERSPEED_ENDPOINT_COMPANION_DESCRIPTOR* SSEndPtDescriptor)
: base(h, EndPtDescriptor, SSEndPtDescriptor)
{
}
