Exemple #1
0
        public unsafe int read(DeviceHandle handle, DataBuffer data, int bytesToRead)
        {
            int num4;
            byte* numPtr = stackalloc byte[0x100];
            uint regData = 0;
            int num3 = -1;
            if (handle.isInvalid())
            {
                GlobalServices.ErrMsg("DDI_EZLinkDongle.read()", "called with INVALID handle");
                return -1;
            }
            switch (data.ddi_getProtocol())
            {
                case Protocol.ReadRegister:
                    uint num;
                    data.ddi_getCommand_ReadRegister(out num);
                    data.ddi_setReply_ReadRegister(num, regData);
                    return num3;

                case Protocol.ReadStatus:
                    data.NumItems = 14;
                    num4 = 0;
                    while (num4 < data.NumItems)
                    {
                        data.Buf[num4] = numPtr[num4];
                        num4++;
                    }
                    return num3;

                case Protocol.Read:
                    if (num3 == 0)
                    {
                        data.NumItems = numPtr[4];
                        for (num4 = 0; num4 < data.NumItems; num4++)
                        {
                            data.Buf[num4] = numPtr[num4 + 5];
                        }
                    }
                    return num3;
            }
            GlobalServices.ErrMsg("DDI_EZLinkDongle.read()", "Unexpected protocol received");
            return num3;
        }