C++ Endpoint_Write_Control_Stream_LE函數代碼示例

/** Event handler for the USB_ControlRequest event. This is used to catch and process control requests sent to
 *  the device from the USB host before passing along unhandled control requests to the library for processing
 *  internally.
 */
void EVENT_USB_Device_ControlRequest(void)
{
	/* Handle HID Class specific requests */
	switch (USB_ControlRequest.bRequest)
	{
		case HID_REQ_GetReport:
			if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
			{
				if(USB_ControlRequest.wValue == 0x0300) {
					Endpoint_ClearSETUP();

					Endpoint_Write_Control_Stream_LE(ps3_magic_bytes, sizeof(ps3_magic_bytes));

					Endpoint_ClearOUT();
				} else {
					Endpoint_ClearSETUP();

					/* Write the report data to the control endpoint */
					Endpoint_Write_Control_Stream_LE(&gamepad_state, sizeof(gamepad_state));
					Endpoint_ClearOUT();
				}
			}

			break;
	}
}

/** Event handler for the USB_ControlRequest event. This is used to catch and process control requests sent to
 *  the device from the USB host before passing along unhandled control requests to the library for processing
 *  internally.
 */
void EVENT_USB_Device_ControlRequest(void)
{
  static unsigned char buffer[MAX_CONTROL_TRANSFER_SIZE];
  unsigned char len = 0;

  /* Handle HID Class specific requests */
	switch (USB_ControlRequest.bRequest)
	{
		case REQ_GetReport:
			if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
			{
			  if(USB_ControlRequest.wValue == 0x0303)
        {
          memcpy_P(buffer, buf03, sizeof(buf03));
          len = sizeof(buf03);
          Endpoint_ClearSETUP();
          Endpoint_Write_Control_Stream_LE(buffer, len);
          Endpoint_ClearOUT();
          ready = 1;
        }
        else if(USB_ControlRequest.wValue == 0x03f3)
        {
          memcpy_P(buffer, buff3, sizeof(buff3));
          len = sizeof(buff3);
          Endpoint_ClearSETUP();
          Endpoint_Write_Control_Stream_LE(buffer, len);
          Endpoint_ClearOUT();
        }
        else if(USB_ControlRequest.wValue == 0x03f1
             || USB_ControlRequest.wValue == 0x03f2)
        {
          spoofReply = 0;
          send_spoof_header();
          while(!spoofReply);
          Endpoint_ClearSETUP();
          Endpoint_Write_Control_Stream_LE(buf, spoofReplyLen);
          Endpoint_ClearOUT();
        }
			}
		
			break;
		case REQ_SetReport:
			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
			{
        Endpoint_ClearSETUP();
        Endpoint_Read_Control_Stream_LE(buffer, USB_ControlRequest.wLength);
        Endpoint_ClearIN();

        if(USB_ControlRequest.wValue == 0x03f0)
        {
          send_spoof_header();
          Serial_SendData(buffer, USB_ControlRequest.wLength);
        }
			}
			
			break;
	}
}

static void USB_Device_GetDescriptor(void)
{
	const void* DescriptorPointer;
	uint16_t    DescriptorSize;

	#if defined(ARCH_HAS_MULTI_ADDRESS_SPACE) && \
	    !(defined(USE_FLASH_DESCRIPTORS) || defined(USE_EEPROM_DESCRIPTORS) || defined(USE_RAM_DESCRIPTORS))
	uint8_t DescriptorAddressSpace;
	#endif

	#if !defined(NO_INTERNAL_SERIAL) && (USE_INTERNAL_SERIAL != NO_DESCRIPTOR)
	if (USB_ControlRequest.wValue == ((DTYPE_String << 8) | USE_INTERNAL_SERIAL))
	{
		USB_Device_GetInternalSerialDescriptor();
		return;
	}
	#endif

	if ((DescriptorSize = CALLBACK_USB_GetDescriptor(USB_ControlRequest.wValue, USB_ControlRequest.wIndex,
	                                                 &DescriptorPointer
	#if defined(ARCH_HAS_MULTI_ADDRESS_SPACE) && \
	    !(defined(USE_FLASH_DESCRIPTORS) || defined(USE_EEPROM_DESCRIPTORS) || defined(USE_RAM_DESCRIPTORS))
	                                                 , &DescriptorAddressSpace
	#endif
													 )) == NO_DESCRIPTOR)
	{
		return;
	}

	Endpoint_ClearSETUP();

	#if defined(USE_RAM_DESCRIPTORS) || !defined(ARCH_HAS_MULTI_ADDRESS_SPACE)
	Endpoint_Write_Control_Stream_LE(DescriptorPointer, DescriptorSize);
	#elif defined(USE_EEPROM_DESCRIPTORS)
	Endpoint_Write_Control_EStream_LE(DescriptorPointer, DescriptorSize);
	#elif defined(USE_FLASH_DESCRIPTORS)
	Endpoint_Write_Control_PStream_LE(DescriptorPointer, DescriptorSize);
	#else
	if (DescriptorAddressSpace == MEMSPACE_FLASH)
	  Endpoint_Write_Control_PStream_LE(DescriptorPointer, DescriptorSize);
	else if (DescriptorAddressSpace == MEMSPACE_EEPROM)
	  Endpoint_Write_Control_EStream_LE(DescriptorPointer, DescriptorSize);
	else
	  Endpoint_Write_Control_Stream_LE(DescriptorPointer, DescriptorSize);
	#endif

	Endpoint_ClearOUT();
}

/** Event handler for the USB_UnhandledControlPacket event. This is used to catch standard and class specific
 *  control requests that are not handled internally by the USB library (including the HID commands, which are
 *  all issued via the control endpoint), so that they can be handled appropriately for the application.
 */
void EVENT_USB_UnhandledControlPacket(void)
{
	/* Handle HID Class specific requests */
	switch (USB_ControlRequest.bRequest)
	{
		case REQ_GetReport:
			if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
			{
				USB_JoystickReport_Data_t JoystickReportData;
				
				Endpoint_ClearSETUP();

				/* Create the next HID report to send to the host */				
				GetNextReport(&JoystickReportData);
					
				/* Write the report data to the control endpoint */
				Endpoint_Write_Control_Stream_LE(&JoystickReportData, sizeof(JoystickReportData));
				
				/* Finalize the stream transfer to send the last packet or clear the host abort */
				Endpoint_ClearOUT();
			}
		
			break;
	}
}

/** Event handler for the USB_ControlRequest event. This is used to catch and process control requests sent to
 *  the device from the USB host before passing along unhandled control requests to the library for processing
 *  internally.
 */
void EVENT_USB_Device_ControlRequest(void)
{
	/* Process CDC specific control requests */
	switch (USB_ControlRequest.bRequest)
	{
		case REQ_GetLineEncoding:
			if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
			{
				Endpoint_ClearSETUP();

				/* Write the line coding data to the control endpoint */
				Endpoint_Write_Control_Stream_LE(&LineEncoding, sizeof(CDC_Line_Coding_t));
				Endpoint_ClearOUT();
			}

			break;
		case REQ_SetLineEncoding:
			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
			{
				Endpoint_ClearSETUP();

				/* Read the line coding data in from the host into the global struct */
				Endpoint_Read_Control_Stream_LE(&LineEncoding, sizeof(CDC_Line_Coding_t));
				Endpoint_ClearIN();
			}

			break;
	}
}

/** Event handler for the USB_UnhandledControlPacket event. This is used to catch standard and class specific
 *  control requests that are not handled internally by the USB library (including the HID commands, which are
 *  all issued via the control endpoint), so that they can be handled appropriately for the application.
 */
void EVENT_USB_Device_UnhandledControlRequest(void)
{
	uint8_t* ReportData;
	uint8_t  ReportSize;

	/* Handle HID Class specific requests */
	switch (USB_ControlRequest.bRequest)
	{
		case REQ_GetReport:
			if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
			{
				Endpoint_ClearSETUP();
	
				/* Determine if it is the mouse or the keyboard data that is being requested */
				if (!(USB_ControlRequest.wIndex))
				{
					ReportData = (uint8_t*)&KeyboardReportData;
					ReportSize = sizeof(KeyboardReportData);
				}
				else
				{
					ReportData = (uint8_t*)&MouseReportData;
					ReportSize = sizeof(MouseReportData);
				}

				/* Write the report data to the control endpoint */
				Endpoint_Write_Control_Stream_LE(ReportData, ReportSize);

				/* Clear the report data afterwards */
				memset(ReportData, 0, ReportSize);
				
				/* Finalize the stream transfer to send the last packet or clear the host abort */
				Endpoint_ClearOUT();
			}
		
			break;
		case REQ_SetReport:
			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
			{
				Endpoint_ClearSETUP();
				
				/* Wait until the LED report has been sent by the host */
				while (!(Endpoint_IsOUTReceived()))
				{
					if (USB_DeviceState == DEVICE_STATE_Unattached)
					  return;
				}

				/* Read in and process the LED report from the host */
				Keyboard_ProcessLEDReport(Endpoint_Read_Byte());

				/* Clear the endpoint data */
				Endpoint_ClearOUT();

				Endpoint_ClearStatusStage();
			}
			
			break;
	}
}

void EVENT_USB_Device_ControlRequest(void)
{
    switch (USB_ControlRequest.bRequest)
    {
        case HID_REQ_GetReport:
            if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
            {
                Endpoint_ClearSETUP();
                Endpoint_Write_Control_Stream_LE(&HIDReportOutData, sizeof(HIDReportOutData));
                memset(&HIDReportOutData, 0, GENERIC_REPORT_SIZE + 1);
                Endpoint_ClearOUT();
            }

            break;
        case HID_REQ_SetReport:
            if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
            {
                Endpoint_ClearSETUP();
                Endpoint_Read_Control_Stream_LE(&HIDReportInData, sizeof(HIDReportInData));
                Endpoint_ClearIN();
            }

            break;
    }
}

void PRNT_Device_ProcessControlRequest(USB_ClassInfo_PRNT_Device_t* const PRNTInterfaceInfo)
{
	if (!(Endpoint_IsSETUPReceived()))
	  return;

	if (USB_ControlRequest.wIndex != PRNTInterfaceInfo->Config.InterfaceNumber)
	  return;

	switch (USB_ControlRequest.bRequest)
	{
		case PRNT_REQ_GetDeviceID:
			if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
			{
				Endpoint_ClearSETUP();

				while (!(Endpoint_IsINReady()))
				{
					if (USB_DeviceState == DEVICE_STATE_Unattached)
					  return;
				}

				uint16_t IEEEStringLen = strlen(PRNTInterfaceInfo->Config.IEEE1284String);
				Endpoint_Write_16_BE(IEEEStringLen);
				Endpoint_Write_Control_Stream_LE(PRNTInterfaceInfo->Config.IEEE1284String, IEEEStringLen);
				Endpoint_ClearStatusStage();
			}

			break;
		case PRNT_REQ_GetPortStatus:
			if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
			{
				Endpoint_ClearSETUP();

				while (!(Endpoint_IsINReady()))
				{
					if (USB_DeviceState == DEVICE_STATE_Unattached)
					  return;
				}

				Endpoint_Write_8(PRNTInterfaceInfo->State.PortStatus);
				Endpoint_ClearStatusStage();
			}

			break;
		case PRNT_REQ_SoftReset:
			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
			{
				Endpoint_ClearSETUP();
				Endpoint_ClearStatusStage();

				PRNTInterfaceInfo->State.IsPrinterReset = true;

				EVENT_PRNT_Device_SoftReset(PRNTInterfaceInfo);
			}

			break;
	}
}

/**
 * \brief Get the current focuser state
 *
 * The GET request returns a single byte containing the state of all
 * the output ports.
 */
void	process_get() {
	Endpoint_ClearSETUP();
	unsigned short	v[3];
	v[0] = motor_current();
	v[1] = motor_target();
	v[2] = motor_speed();
	Endpoint_Write_Control_Stream_LE((void *)v, 6);
	Endpoint_ClearOUT();
}

/** Event handler for the USB_UnhandledControlPacket event. This is used to catch standard and class specific
 *  control requests that are not handled internally by the USB library (including the CDC control commands,
 *  which are all issued via the control endpoint), so that they can be handled appropriately for the application.
 */
void EVENT_USB_UnhandledControlPacket(void)
{
	uint8_t* LineCodingData = (uint8_t*)&LineCoding;

	/* Process CDC specific control requests */
	switch (USB_ControlRequest.bRequest)
	{
		case REQ_GetLineEncoding:
			if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
			{	
				/* Acknowledge the SETUP packet, ready for data transfer */
				Endpoint_ClearSETUP();

				/* Write the line coding data to the control endpoint */
				Endpoint_Write_Control_Stream_LE(LineCodingData, sizeof(LineCoding));
				
				/* Finalize the stream transfer to send the last packet or clear the host abort */
				Endpoint_ClearOUT();
			}
			
			break;
		case REQ_SetLineEncoding:
			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
			{
				/* Acknowledge the SETUP packet, ready for data transfer */
				Endpoint_ClearSETUP();

				/* Read the line coding data in from the host into the global struct */
				Endpoint_Read_Control_Stream_LE(LineCodingData, sizeof(LineCoding));

				/* Finalize the stream transfer to clear the last packet from the host */
				Endpoint_ClearIN();
				
				/* Reconfigure the USART with the new settings */
				ReconfigureUSART();
			}
	
			break;
		case REQ_SetControlLineState:
			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
			{				
				/* Acknowledge the SETUP packet, ready for data transfer */
				Endpoint_ClearSETUP();
				
				/* NOTE: Here you can read in the line state mask from the host, to get the current state of the output handshake
				         lines. The mask is read in from the wValue parameter in USB_ControlRequest, and can be masked against the
						 CONTROL_LINE_OUT_* masks to determine the RTS and DTR line states using the following code:
				*/

				/* Acknowledge status stage */
				while (!(Endpoint_IsINReady()));
				Endpoint_ClearIN();
			}
	
			break;
	}
}

void sendControlMessage(uint8_t* data, uint8_t length) {
    uint8_t previousEndpoint = Endpoint_GetCurrentEndpoint();
    Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP);

    Endpoint_ClearSETUP();
    Endpoint_Write_Control_Stream_LE(data, length);
    Endpoint_ClearOUT();

    Endpoint_SelectEndpoint(previousEndpoint);
}

static void do_fw_revision(int direction, unsigned int vWalue)
{
	char fwrev[9];

	if (direction == ENDPOINT_DIR_IN) {
		memset(fwrev, ' ', 9);
		snprintf(fwrev, 9, "%s", conf.fw_revision);
		fwrev[8] = '\0';
		Endpoint_Write_Control_Stream_LE(fwrev, 8);
	}
}

void EVENT_USB_Device_ControlRequest(void){
    void* buffer = NULL;
    uint16_t length =  0;
    if(change != NULL) {
        usb_set_device(change, 1);
        Endpoint_ClearSETUP();
        Endpoint_ClearIN();
        Endpoint_ClearOUT();
    } else { 
        Endpoint_ClearSETUP();
    }
    uart_print("Type: %x, req: %x, val: %x, idx: %x, len: %d\n",
                USB_ControlRequest.bmRequestType,
                USB_ControlRequest.bRequest,
                USB_ControlRequest.wValue,
                USB_ControlRequest.wIndex,
                USB_ControlRequest.wLength);

    device->handle_configuration(   device,
                                    USB_ControlRequest.bmRequestType,
                                    USB_ControlRequest.bRequest,
                                    USB_ControlRequest.wValue,
                                    USB_ControlRequest.wIndex,
                                    USB_ControlRequest.wLength,
                                    &buffer,
                                    &length);

    if(buffer) {
        if(length == 0xFFFF) {
            return;
        }

        if(length) {
            if(length & CONST_PTR) {
                Endpoint_Write_Control_PStream_LE(buffer, length & ~CONST_PTR);
            } else {
                Endpoint_Write_Control_Stream_LE(buffer, length);
            }
        }

        Endpoint_ClearStatusStage();

        if(deferred_addr >= 0) {
            _usb_set_addr(deferred_addr);
            uart_print("Setting addr to %d\n", deferred_addr);
            deferred_addr = -1;
        }

    } else {
        Endpoint_StallTransaction();
        uart_print("STALLED!\n");
    }

}

void CDC_Device_ProcessControlRequest(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
{
	if (!(Endpoint_IsSETUPReceived()))
	  return;
	  
	if (USB_ControlRequest.wIndex != CDCInterfaceInfo->Config.ControlInterfaceNumber)
	  return;

	switch (USB_ControlRequest.bRequest)
	{
		case CDC_REQ_GetLineEncoding:
			if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
			{
				Endpoint_ClearSETUP();
				Endpoint_Write_Control_Stream_LE(&CDCInterfaceInfo->State.LineEncoding, sizeof(CDCInterfaceInfo->State.LineEncoding));
				Endpoint_ClearOUT();
			}
			
			break;
		case CDC_REQ_SetLineEncoding:
			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
			{
				Endpoint_ClearSETUP();
				Endpoint_Read_Control_Stream_LE(&CDCInterfaceInfo->State.LineEncoding, sizeof(CDCInterfaceInfo->State.LineEncoding));
				Endpoint_ClearIN();

				EVENT_CDC_Device_LineEncodingChanged(CDCInterfaceInfo);
			}
	
			break;
		case CDC_REQ_SetControlLineState:
			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
			{				
				Endpoint_ClearSETUP();
				Endpoint_ClearStatusStage();

				CDCInterfaceInfo->State.ControlLineStates.HostToDevice = USB_ControlRequest.wValue;

				EVENT_CDC_Device_ControLineStateChanged(CDCInterfaceInfo);
			}
	
			break;
		case CDC_REQ_SendBreak:
			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
			{				
				Endpoint_ClearSETUP();
				Endpoint_ClearStatusStage();

				EVENT_CDC_Device_BreakSent(CDCInterfaceInfo, (uint8_t)USB_ControlRequest.wValue);
			}

			break;
	}
}

void EVENT_USB_Device_ControlRequest(void)
{
	uint8_t* ReportData;
	uint8_t  ReportSize;
    
	/* Handle HID Class specific requests */
	switch (USB_ControlRequest.bRequest)
	{
		case HID_REQ_GetReport:
			if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
			{
				Endpoint_ClearSETUP();
                
                
                		switch( USB_ControlRequest.wIndex )
		                {
		                    case 0:	
						// todo
                	            	break;          
                	    
		                    case 1:     
					ReportData = (uint8_t*)&KeyboardReportData;
					ReportSize = sizeof(KeyboardReportData);
	                                Endpoint_Write_Control_Stream_LE(ReportData, ReportSize);
					Endpoint_ClearOUT();
	                                break;
        		        }

			}

			break;

		case HID_REQ_SetReport:
			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
			{

				Endpoint_ClearSETUP();

				switch( USB_ControlRequest.wIndex )
				{
				    
				    case 0 : 
						// todo
				        break;
				    case 1:
						// todo
				        break;
				}
			}

		break;
	}
}