/// <summary> /// Builds a request to receive data on a bulk pipe, or receive data on an interrupt pipe. /// </summary> /// <param name="endpoints">All information of the pipes to be searched.</param> /// <param name="endpointNumber">The endpoint number.</param> /// <param name="flag">The endpoint flag.</param> /// <param name="type">The type of the endpoint.</param> /// <returns>The request containing the pipe handle found to receive data on a bulk pipe, or receive data on an interrupt pipe.</returns> public TS_URB_BULK_OR_INTERRUPT_TRANSFER BuildInterruptTransferRequest(TS_USBD_PIPE_INFORMATION_RESULT[] endpoints, byte endpointNumber, TransferFlags flag, USBD_PIPE_TYPE type) { if (((flag & TransferFlags.USBD_TRANSFER_DIRECTION_IN) != TransferFlags.USBD_TRANSFER_DIRECTION_IN) && ((flag & TransferFlags.USBD_TRANSFER_DIRECTION_OUT) != TransferFlags.USBD_TRANSFER_DIRECTION_OUT)) { throw new ArgumentException("flag must contain the direction flag."); } TS_URB_BULK_OR_INTERRUPT_TRANSFER req = new TS_URB_BULK_OR_INTERRUPT_TRANSFER( this.requestId, this.noAck ); req.Header.URB_Function = this.function; req.Header.Size = 8 + 4 + 4; req.TransferFlags = (uint)flag; bool found = false; // Looking for the correct pipe handle. foreach (TS_USBD_PIPE_INFORMATION_RESULT e in endpoints) { byte num = (byte)(e.EndpointAddress & 0x0F); if (num == endpointNumber) { VerifyEndpointDirection(e.EndpointAddress, flag); VerifyType(e.PipeType, type); req.PipeHandle = e.PipeHandle; found = true; break; } } if (!found) { throw new ArgumentException(String.Format("Specified endpoint ({0}) cannot be found.", endpointNumber)); } return(req); }
public TS_URB ParsePdu(byte[] data) { TS_URB urb; switch (GetTsUrbType(data)) { // Indicates to the host controller driver that a configuration is to be selected case URB_FUNCTIONID.URB_FUNCTION_SELECT_CONFIGURATION: urb = new TS_URB_SELECT_CONFIGURATION(); break; // Indicates to the host controller driver that an alternate interface setting is being selected for an interface. // If set, the URB is used with _URB_SELECT_INTERFACE as the data structure. case URB_FUNCTIONID.URB_FUNCTION_SELECT_INTERFACE: urb = new TS_URB_SELECT_INTERFACE(); break; // Indicates that all outstanding requests for a pipe should be canceled. case URB_FUNCTIONID.URB_FUNCTION_ABORT_PIPE: // Resets the indicated pipe. case URB_FUNCTIONID.URB_FUNCTION_SYNC_RESET_PIPE_AND_CLEAR_STALL: // Clears the halt condition on the host side of a pipe. // If set, this URB is used with _URB_PIPE_REQUEST as the data structure. case URB_FUNCTIONID.URB_FUNCTION_SYNC_RESET_PIPE: // Clears the stall condition on the endpoint. For all pipes except isochronous pipes. case URB_FUNCTIONID.URB_FUNCTION_SYNC_CLEAR_STALL: urb = new TS_URB_PIPE_REQUEST(); break; // Requests the current frame number from the host controller driver. case URB_FUNCTIONID.URB_FUNCTION_GET_CURRENT_FRAME_NUMBER: urb = new TS_URB_GET_CURRENT_FRAME_NUMBER(); break; // Transfers data to or from a control pipe. case URB_FUNCTIONID.URB_FUNCTION_CONTROL_TRANSFER: urb = new TS_URB_CONTROL_TRANSFER(); break; // Transfers data from a bulk pipe or interrupt pipe or to an bulk pipe. case URB_FUNCTIONID.URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER: urb = new TS_URB_BULK_OR_INTERRUPT_TRANSFER(); break; // Transfers data to or from an isochronous pipe. case URB_FUNCTIONID.URB_FUNCTION_ISOCH_TRANSFER: urb = new TS_URB_ISOCH_TRANSFER(); break; // Retrieves the device descriptor from a specific USB device. case URB_FUNCTIONID.URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE: // Retrieves the descriptor from an endpoint on an interface for a USB device. case URB_FUNCTIONID.URB_FUNCTION_GET_DESCRIPTOR_FROM_ENDPOINT: // Sets a device descriptor on a device. case URB_FUNCTIONID.URB_FUNCTION_SET_DESCRIPTOR_TO_DEVICE: // Sets an endpoint descriptor on an endpoint for an interface. case URB_FUNCTIONID.URB_FUNCTION_SET_DESCRIPTOR_TO_ENDPOINT: // Retrieves the descriptor from an interface for a USB device. case URB_FUNCTIONID.URB_FUNCTION_GET_DESCRIPTOR_FROM_INTERFACE: // Sets a descriptor for an interface on a USB device. case URB_FUNCTIONID.URB_FUNCTION_SET_DESCRIPTOR_TO_INTERFACE: urb = new TS_URB_CONTROL_DESCRIPTOR_REQUEST(); break; // Sets a USB-defined feature on a device. case URB_FUNCTIONID.URB_FUNCTION_SET_FEATURE_TO_DEVICE: // Sets a USB-defined feature on an endpoint for an interface on a USB device. case URB_FUNCTIONID.URB_FUNCTION_SET_FEATURE_TO_ENDPOINT: // Sets a USB-defined feature on an interface for a device. case URB_FUNCTIONID.URB_FUNCTION_SET_FEATURE_TO_INTERFACE: // Sets a USB-defined feature on a device-defined target on a USB device. case URB_FUNCTIONID.URB_FUNCTION_SET_FEATURE_TO_OTHER: // Clears a USB-defined feature on a device. case URB_FUNCTIONID.URB_FUNCTION_CLEAR_FEATURE_TO_DEVICE: // Clears a USB-defined feature on an endpoint, for an interface, on a USB device. case URB_FUNCTIONID.URB_FUNCTION_CLEAR_FEATURE_TO_ENDPOINT: // Clears a USB-defined feature on an interface for a device. case URB_FUNCTIONID.URB_FUNCTION_CLEAR_FEATURE_TO_INTERFACE: // Clears a USB-defined feature on a device defined target on a USB device. case URB_FUNCTIONID.URB_FUNCTION_CLEAR_FEATURE_TO_OTHER: urb = new TS_URB_CONTROL_FEATURE_REQUEST(); break; // Retrieves status from a USB device. case URB_FUNCTIONID.URB_FUNCTION_GET_STATUS_FROM_DEVICE: // Retrieves status from an endpoint for an interface on a USB device. case URB_FUNCTIONID.URB_FUNCTION_GET_STATUS_FROM_ENDPOINT: // Retrieves status from an interface on a USB device. case URB_FUNCTIONID.URB_FUNCTION_GET_STATUS_FROM_INTERFACE: // Retrieves status from a device-defined target on a USB device. case URB_FUNCTIONID.URB_FUNCTION_GET_STATUS_FROM_OTHER: urb = new TS_URB_CONTROL_GET_STATUS_REQUEST(); break; // Sends a vendor-specific command to a USB device. case URB_FUNCTIONID.URB_FUNCTION_VENDOR_DEVICE: // Sends a vendor-specific command for an endpoint on an interface on a USB device. case URB_FUNCTIONID.URB_FUNCTION_VENDOR_ENDPOINT: // Sends a vendor-specific command for an interface on a USB device. case URB_FUNCTIONID.URB_FUNCTION_VENDOR_INTERFACE: // Sends a vendor-specific command to a device-defined target on a USB device. case URB_FUNCTIONID.URB_FUNCTION_VENDOR_OTHER: // Sends a USB-defined class-specific command to a USB device. case URB_FUNCTIONID.URB_FUNCTION_CLASS_DEVICE: // Sends a USB-defined class-specific command to an endpoint, on an interface, on a USB device. case URB_FUNCTIONID.URB_FUNCTION_CLASS_ENDPOINT: // Sends a USB-defined class-specific command to an interface on a USB device. case URB_FUNCTIONID.URB_FUNCTION_CLASS_INTERFACE: // Sends a USB-defined class-specific command to a device defined target on a USB device. case URB_FUNCTIONID.URB_FUNCTION_CLASS_OTHER: urb = new TS_URB_CONTROL_VENDOR_OR_CLASS_REQUEST(); break; // Retrieves the current configuration on a USB device. case URB_FUNCTIONID.URB_FUNCTION_GET_CONFIGURATION: urb = new TS_URB_CONTROL_GET_CONFIGURATION_REQUEST(); break; // Retrieves the current settings for an interface on a USB device. case URB_FUNCTIONID.URB_FUNCTION_GET_INTERFACE: urb = new TS_URB_CONTROL_GET_INTERFACE_REQUEST(); break; // Retrieves a Microsoft OS feature descriptor from a USB device or an interface on a USB device. case URB_FUNCTIONID.URB_FUNCTION_GET_MS_FEATURE_DESCRIPTOR: urb = new TS_URB_OS_FEATURE_DESCRIPTOR_REQUEST(); break; // Transfers data to or from a control pipe without a time limit specified by a timeout value. case URB_FUNCTIONID.URB_FUNCTION_CONTROL_TRANSFER_EX: urb = new TS_URB_CONTROL_TRANSFER_EX(); break; default: urb = new TS_URB_UNKNOWN(); break; } if (!PduMarshaler.Unmarshal(data, urb)) { urb = new TS_URB_UNKNOWN(); PduMarshaler.Unmarshal(data, urb); } return(urb); }