Пример #1
0
/** Waits until the attached device is ready to accept data following a CBW, checking
 *  to ensure that the device has not stalled the transaction.
 *
 *  \return A value from the Pipe_Stream_RW_ErrorCodes_t enum
 */
static uint8_t MassStore_WaitForDataReceived(void)
{
	uint16_t TimeoutMSRem = COMMAND_DATA_TIMEOUT_MS;

	/* Unfreeze the OUT pipe so that it can be checked */
	Pipe_SelectPipe(MASS_STORE_DATA_OUT_PIPE);
	Pipe_Unfreeze();

	/* Select the IN data pipe for data reception */
	Pipe_SelectPipe(MASS_STORE_DATA_IN_PIPE);
	Pipe_Unfreeze();

	/* Wait until data received in the IN pipe */
	while (!(Pipe_IsINReceived()))
	{
		/* Check to see if a new frame has been issued (1ms elapsed) */
		if (USB_INT_HasOccurred(USB_INT_HSOFI))
		{
			/* Clear the flag and decrement the timeout period counter */
			USB_INT_Clear(USB_INT_HSOFI);
			TimeoutMSRem--;

			/* Check to see if the timeout period for the command has elapsed */
			if (!(TimeoutMSRem))
			  return PIPE_RWSTREAM_Timeout;
		}
	
		Pipe_SelectPipe(MASS_STORE_DATA_OUT_PIPE);

		/* Check if pipe stalled (command failed by device) */
		if (Pipe_IsStalled())
		{
			/* Clear the stall condition on the OUT pipe */
			MassStore_ClearPipeStall(MASS_STORE_DATA_OUT_PIPE);

			return PIPE_RWSTREAM_PipeStalled;
		}

		Pipe_SelectPipe(MASS_STORE_DATA_IN_PIPE);

		/* Check if pipe stalled (command failed by device) */
		if (Pipe_IsStalled())
		{
			/* Clear the stall condition on the IN pipe */
			MassStore_ClearPipeStall(MASS_STORE_DATA_IN_PIPE);

			return PIPE_RWSTREAM_PipeStalled;
		}
		  
		/* Check to see if the device was disconnected, if so exit function */
		if (!(USB_IsConnected))
		  return PIPE_RWSTREAM_DeviceDisconnected;
	};

	return PIPE_RWSTREAM_NoError;
}
Пример #2
0
static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo)
{
	uint16_t TimeoutMSRem        = MS_COMMAND_DATA_TIMEOUT_MS;
	uint16_t PreviousFrameNumber = USB_Host_GetFrameNumber();

	Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);
	Pipe_Unfreeze();

	while (!(Pipe_IsINReceived()))
	{
		uint16_t CurrentFrameNumber = USB_Host_GetFrameNumber();

		if (CurrentFrameNumber != PreviousFrameNumber)
		{
			PreviousFrameNumber = CurrentFrameNumber;

			if (!(TimeoutMSRem--))
			  return PIPE_RWSTREAM_Timeout;
		}

		Pipe_Freeze();
		Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipeNumber);
		Pipe_Unfreeze();

		if (Pipe_IsStalled())
		{
			USB_Host_ClearPipeStall(MSInterfaceInfo->Config.DataOUTPipeNumber);

			return PIPE_RWSTREAM_PipeStalled;
		}

		Pipe_Freeze();
		Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);
		Pipe_Unfreeze();

		if (Pipe_IsStalled())
		{
			USB_Host_ClearPipeStall(MSInterfaceInfo->Config.DataINPipeNumber);

			return PIPE_RWSTREAM_PipeStalled;
		}

		if (USB_HostState == HOST_STATE_Unattached)
		  return PIPE_RWSTREAM_DeviceDisconnected;
	};

	Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);
	Pipe_Freeze();

	Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipeNumber);
	Pipe_Freeze();

	return PIPE_RWSTREAM_NoError;
}
/** Task to read in data received from the attached CDC device and print it to the serial port.
 */
void CDCHost_Task(void)
{
	if (USB_HostState != HOST_STATE_Configured)
	  return;

	/* Select the data IN pipe */
	Pipe_SelectPipe(CDC_DATA_IN_PIPE);
	Pipe_Unfreeze();

	/* Check to see if a packet has been received */
	if (Pipe_IsINReceived())
	{
		/* Re-freeze IN pipe after the packet has been received */
		Pipe_Freeze();

		/* Check if data is in the pipe */
		if (Pipe_IsReadWriteAllowed())
		{
			/* Get the length of the pipe data, and create a new buffer to hold it */
			uint16_t BufferLength = Pipe_BytesInPipe();
			uint8_t  Buffer[BufferLength];

			/* Read in the pipe data to the temporary buffer */
			Pipe_Read_Stream_LE(Buffer, BufferLength, NULL);

			/* Print out the buffer contents to the USART */
			for (uint16_t BufferByte = 0; BufferByte < BufferLength; BufferByte++)
			  putchar(Buffer[BufferByte]);
		}

		/* Clear the pipe after it is read, ready for the next packet */
		Pipe_ClearIN();
	}

	/* Re-freeze IN pipe after use */
	Pipe_Freeze();

	/* Select and unfreeze the notification pipe */
	Pipe_SelectPipe(CDC_NOTIFICATION_PIPE);
	Pipe_Unfreeze();

	/* Check if a packet has been received */
	if (Pipe_IsINReceived())
	{
		/* Discard the unused event notification */
		Pipe_ClearIN();
	}

	/* Freeze notification IN pipe after use */
	Pipe_Freeze();
}
/** Task to manage an enumerated USB Bluetooth adapter once connected, to display movement data as it is received. */
void BluetoothAdapter_USBTask(void)
{
	if ((USB_HostState != HOST_STATE_Configured) || !(BluetoothAdapter_IsActive))
	  return;

	Pipe_SelectPipe(BLUETOOTH_DATA_IN_PIPE);
	Pipe_Unfreeze();
	
	if (Pipe_IsINReceived())
	{
		BT_HCIData_Header_t* PacketHeader = (BT_HCIData_Header_t*)BluetoothAdapter_Stack.Config.PacketBuffer;

		/* Read in the HCI Data packet data from the Data IN pipe */
		Pipe_Read_Stream_LE(PacketHeader, sizeof(BT_HCIData_Header_t), NULL);
		Pipe_Read_Stream_LE(PacketHeader->Data, PacketHeader->DataLength, NULL);
		Pipe_ClearIN();
		Pipe_Freeze();

//		RGB_SetColour(RGB_ALIAS_Busy);
		Bluetooth_ProcessPacket(&BluetoothAdapter_Stack, BLUETOOTH_PACKET_HCIData);
//		RGB_SetColour(RGB_ALIAS_Connected);
	}
	
	Pipe_Freeze();
	
	Pipe_SelectPipe(BLUETOOTH_EVENTS_PIPE);
	Pipe_Unfreeze();
	
	if (Pipe_IsINReceived())
	{
		BT_HCIEvent_Header_t* EventHeader = (BT_HCIEvent_Header_t*)BluetoothAdapter_Stack.Config.PacketBuffer;

		/* Read in the HCI Event packet data from the Event IN pipe */
		Pipe_Read_Stream_LE(EventHeader, sizeof(BT_HCIEvent_Header_t), NULL);
		Pipe_Read_Stream_LE(EventHeader->Parameters, EventHeader->ParameterLength, NULL);
		Pipe_ClearIN();
		Pipe_Freeze();

		//RGB_SetColour(RGB_ALIAS_Busy);
		Bluetooth_ProcessPacket(&BluetoothAdapter_Stack, BLUETOOTH_PACKET_HCIEvent);
		//RGB_SetColour(RGB_ALIAS_Connected);
	}
	
	Pipe_Freeze();
	
	/* Keep on running the management routine until all pending packets have been sent */
	while (Bluetooth_ManageConnections(&BluetoothAdapter_Stack)){};	
	//while (Bluetooth_ManageConnections(&BluetoothAdapter_Stack))
	  //RGB_SetColour(RGB_ALIAS_Busy);

}
Пример #5
0
/** Sends or receives the transaction's data stage to or from the attached device, reading or
 *  writing to the nominated buffer.
 *
 *  \param[in] SCSICommandBlock  Pointer to a SCSI command block structure being sent to the attached device
 *  \param[in,out]  BufferPtr    Pointer to the data buffer to read from or write to
 *
 *  \return A value from the Pipe_Stream_RW_ErrorCodes_t enum
 */
static uint8_t MassStore_SendReceiveData(CommandBlockWrapper_t* const SCSICommandBlock,
                                         void* BufferPtr)
{
	uint8_t  ErrorCode = PIPE_RWSTREAM_NoError;
	uint16_t BytesRem  = SCSICommandBlock->DataTransferLength;

	/* Check the direction of the SCSI command data stage */
	if (SCSICommandBlock->Flags & COMMAND_DIRECTION_DATA_IN)
	{
		/* Wait until the device has replied with some data */
		if ((ErrorCode = MassStore_WaitForDataReceived()) != PIPE_RWSTREAM_NoError)
		  return ErrorCode;

		/* Select the IN data pipe for data reception */
		Pipe_SelectPipe(MASS_STORE_DATA_IN_PIPE);
		Pipe_Unfreeze();

		/* Read in the block data from the pipe */
		if ((ErrorCode = Pipe_Read_Stream_LE(BufferPtr, BytesRem)) != PIPE_RWSTREAM_NoError)
		  return ErrorCode;

		/* Acknowledge the packet */
		Pipe_ClearIN();
	}
	else
	{
		/* Select the OUT data pipe for data transmission */
		Pipe_SelectPipe(MASS_STORE_DATA_OUT_PIPE);
		Pipe_Unfreeze();

		/* Write the block data to the pipe */
		if ((ErrorCode = Pipe_Write_Stream_LE(BufferPtr, BytesRem)) != PIPE_RWSTREAM_NoError)
		  return ErrorCode;

		/* Acknowledge the packet */
		Pipe_ClearOUT();

		while (!(Pipe_IsOUTReady()))
		{
			if (USB_HostState == HOST_STATE_Unattached)
			  return PIPE_RWSTREAM_DeviceDisconnected;
		}
	}

	/* Freeze used pipe after use */
	Pipe_Freeze();

	return PIPE_RWSTREAM_NoError;
}
Пример #6
0
void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
{
	if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
	  return;
	
	Pipe_SelectPipe(CDCInterfaceInfo->Config.NotificationPipeNumber);
	Pipe_SetPipeToken(PIPE_TOKEN_IN);
	Pipe_Unfreeze();

	if (Pipe_IsINReceived())
	{
		USB_Request_Header_t Notification;
		Pipe_Read_Stream_LE(&Notification, sizeof(USB_Request_Header_t), NO_STREAM_CALLBACK);
		
		if ((Notification.bRequest      == NOTIF_SerialState) &&
		    (Notification.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)))
		{
			Pipe_Read_Stream_LE(&CDCInterfaceInfo->State.ControlLineStates.DeviceToHost,
			                    sizeof(CDCInterfaceInfo->State.ControlLineStates.DeviceToHost),
			                    NO_STREAM_CALLBACK);
			
		}

		Pipe_ClearIN();

		EVENT_CDC_Host_ControLineStateChanged(CDCInterfaceInfo);
	}
	
	Pipe_Freeze();
}
/** Task to read and process the HID report descriptor and HID reports from the device and display the
 *  results onto the board LEDs.
 */
void MouseHost_Task(void)
{
	if (USB_HostState != HOST_STATE_Configured)
	  return;

	/* Select and unfreeze mouse data pipe */
	Pipe_SelectPipe(MOUSE_DATA_IN_PIPE);
	Pipe_Unfreeze();

	/* Check to see if a packet has been received */
	if (Pipe_IsINReceived())
	{
		/* Check if data has been received from the attached mouse */
		if (Pipe_IsReadWriteAllowed())
		{
			/* Create buffer big enough for the report */
			uint8_t MouseReport[Pipe_BytesInPipe()];

			/* Load in the mouse report */
			Pipe_Read_Stream_LE(MouseReport, Pipe_BytesInPipe(), NULL);

			/* Process the read in mouse report from the device */
			ProcessMouseReport(MouseReport);
		}

		/* Clear the IN endpoint, ready for next data packet */
		Pipe_ClearIN();
	}

	/* Freeze mouse data pipe */
	Pipe_Freeze();
}
Пример #8
0
/** Routine to send the current CBW to the device, and increment the Tag value as needed.
 *
 *  \return A value from the Pipe_Stream_RW_ErrorCodes_t enum
 */
static uint8_t MassStore_SendCommand(void)
{
	uint8_t ErrorCode = PIPE_RWSTREAM_NoError;

	/* Each transmission should have a unique tag value, excluding values 0 and 0xFFFFFFFF */
	if (++MassStore_Tag == 0xFFFFFFFF)
	  MassStore_Tag = 1;

	/* Select the OUT data pipe for CBW transmission */
	Pipe_SelectPipe(MASS_STORE_DATA_OUT_PIPE);
	Pipe_Unfreeze();

	/* Write the CBW command to the OUT pipe */
	if ((ErrorCode = Pipe_Write_Stream_LE(&SCSICommandBlock, sizeof(CommandBlockWrapper_t))) != PIPE_RWSTREAM_NoError)
	  return ErrorCode;

	/* Send the data in the OUT pipe to the attached device */
	Pipe_ClearOUT();
	
	while(!(Pipe_IsOUTReady()));

	/* Freeze pipe after use */
	Pipe_Freeze();
	
	return PIPE_RWSTREAM_NoError;
}
/** Function to send the PIMA command container to the attached still image device. */
void SImage_SendBlockHeader(void)
{
	/* Unfreeze the data OUT pipe ready for data transmission */
	Pipe_SelectPipe(SIMAGE_DATA_OUT_PIPE);
	Pipe_Unfreeze();

	/* Write the PIMA block to the data OUT pipe */
	Pipe_Write_Stream_LE(&PIMA_SendBlock, PIMA_COMMAND_SIZE(0), NULL);

	/* If the block type is a command, send its parameters (if any) */
	if (PIMA_SendBlock.Type == PIMA_CONTAINER_CommandBlock)
	{
		/* Determine the size of the parameters in the block via the data length attribute */
		uint8_t ParamBytes = (PIMA_SendBlock.DataLength - PIMA_COMMAND_SIZE(0));

		/* Check if any parameters in the command block */
		if (ParamBytes)
		{
			/* Write the PIMA parameters to the data OUT pipe */
			Pipe_Write_Stream_LE(&PIMA_SendBlock.Params, ParamBytes, NULL);
		}

		/* Send the PIMA command block to the attached device */
		Pipe_ClearOUT();
	}

	/* Freeze pipe after use */
	Pipe_Freeze();
}
Пример #10
0
static uint8_t MS_Host_GetReturnedStatus(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
                                         MS_CommandStatusWrapper_t* const SCSICommandStatus)
{
	uint8_t ErrorCode = PIPE_RWSTREAM_NoError;

	if ((ErrorCode = MS_Host_WaitForDataReceived(MSInterfaceInfo)) != PIPE_RWSTREAM_NoError)
	  return ErrorCode;

	Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);
	Pipe_Unfreeze();

	if ((ErrorCode = Pipe_Read_Stream_LE(SCSICommandStatus, sizeof(MS_CommandStatusWrapper_t),
	                                     NULL)) != PIPE_RWSTREAM_NoError)
	{
		return ErrorCode;
	}

	Pipe_ClearIN();
	Pipe_Freeze();

	if (SCSICommandStatus->Status != MS_SCSI_COMMAND_Pass)
	  ErrorCode = MS_ERROR_LOGICAL_CMD_FAILED;

	return ErrorCode;
}
Пример #11
0
uint8_t MIDI_Host_Flush(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo)
{
	if ((USB_HostState != HOST_STATE_Configured) || !(MIDIInterfaceInfo->State.IsActive))
	  return PIPE_RWSTREAM_DeviceDisconnected;

	uint8_t ErrorCode;

	Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataOUTPipe.Address);
	Pipe_Unfreeze();

	if (Pipe_BytesInPipe())
	{
		Pipe_ClearOUT();

		if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)
		{
			Pipe_Freeze();
			return ErrorCode;
		}
	}

	Pipe_Freeze();

	return PIPE_READYWAIT_NoError;
}
Пример #12
0
static uint8_t MS_Host_SendCommand(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
                                   MS_CommandBlockWrapper_t* const SCSICommandBlock,
                                   const void* const BufferPtr)
{
	uint8_t ErrorCode = PIPE_RWSTREAM_NoError;

	SCSICommandBlock->Signature = MS_CBW_SIGNATURE;
	SCSICommandBlock->Tag       = ++MSInterfaceInfo->State.TransactionTag;

	if (MSInterfaceInfo->State.TransactionTag == 0xFFFFFFFF)
	  MSInterfaceInfo->State.TransactionTag = 1;

	Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipeNumber);
	Pipe_Unfreeze();

	if ((ErrorCode = Pipe_Write_Stream_LE(SCSICommandBlock, sizeof(MS_CommandBlockWrapper_t),
	                                      NULL)) != PIPE_RWSTREAM_NoError)
	  return ErrorCode;

	Pipe_ClearOUT();
	Pipe_WaitUntilReady();

	Pipe_Freeze();

	if ((BufferPtr != NULL) &&
	    ((ErrorCode = MS_Host_SendReceiveData(MSInterfaceInfo, SCSICommandBlock, (void*)BufferPtr)) != PIPE_RWSTREAM_NoError))
	{
		Pipe_Freeze();
		return ErrorCode;
	}

	return ErrorCode;
}
Пример #13
0
bool MIDI_Host_ReceiveEventPacket(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo,
                                  MIDI_EventPacket_t* const Event)
{
	if ((USB_HostState != HOST_STATE_Configured) || !(MIDIInterfaceInfo->State.IsActive))
	  return HOST_SENDCONTROL_DeviceDisconnected;

	bool DataReady = false;

	Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataINPipe.Address);
	Pipe_Unfreeze();

	if (Pipe_IsINReceived())
	{
		if (Pipe_BytesInPipe())
		{
			Pipe_Read_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NULL);
			DataReady = true;
		}

		if (!(Pipe_BytesInPipe()))
		  Pipe_ClearIN();
	}

	Pipe_Freeze();

	return DataReady;
}
Пример #14
0
static uint8_t SImage_Host_SendBlockHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, SI_PIMA_Container_t* const PIMAHeader)
{
	uint8_t ErrorCode;
	
	PIMAHeader->TransactionID = SIInterfaceInfo->State.TransactionID++;

	Pipe_SelectPipe(SIInterfaceInfo->Config.DataOUTPipeNumber);
	Pipe_Unfreeze();

	if ((ErrorCode = Pipe_Write_Stream_LE(PIMAHeader, PIMA_COMMAND_SIZE(0), NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
	  return ErrorCode;
	
	uint8_t ParamBytes = (PIMAHeader->DataLength - PIMA_COMMAND_SIZE(0));

	if (ParamBytes)
	{
		if ((ErrorCode = Pipe_Write_Stream_LE(&PIMAHeader->Params, ParamBytes, NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
		  return ErrorCode;
	}
	
	Pipe_ClearOUT();	
	Pipe_Freeze();
	
	return PIPE_RWSTREAM_NoError;
}
Пример #15
0
uint8_t SI_Host_SendBlockHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
                                PIMA_Container_t* const PIMAHeader)
{
	uint8_t ErrorCode;

	if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
	  return PIPE_RWSTREAM_DeviceDisconnected;

	if (SIInterfaceInfo->State.IsSessionOpen)
	  PIMAHeader->TransactionID = SIInterfaceInfo->State.TransactionID++;

	Pipe_SelectPipe(SIInterfaceInfo->Config.DataOUTPipeNumber);
	Pipe_Unfreeze();

	if ((ErrorCode = Pipe_Write_Stream_LE(PIMAHeader, PIMA_COMMAND_SIZE(0), NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
	  return ErrorCode;

	uint8_t ParamBytes = (PIMAHeader->DataLength - PIMA_COMMAND_SIZE(0));

	if (ParamBytes)
	{
		if ((ErrorCode = Pipe_Write_Stream_LE(&PIMAHeader->Params, ParamBytes, NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
		  return ErrorCode;
	}

	Pipe_ClearOUT();
	Pipe_Freeze();

	return PIPE_RWSTREAM_NoError;
}
static uint8_t Bluetooth_SendHCICommand(void* Parameters, uint8_t ParamLength)
{
	uint8_t CommandBuffer[sizeof(HCICommandHeader) + HCICommandHeader.ParameterLength];

	USB_HostRequest = (USB_Host_Request_Header_t)
		{
			bmRequestType: (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_DEVICE),
			bRequest:      0,
			wValue:        0,
			wIndex:        0,
			wLength:       sizeof(CommandBuffer)
		};
		
	memset(CommandBuffer, 0x00, sizeof(CommandBuffer));
	memcpy(CommandBuffer, &HCICommandHeader, sizeof(HCICommandHeader));
	
	if (ParamLength)
	  memcpy(&CommandBuffer[sizeof(HCICommandHeader)], Parameters, ParamLength);

	return USB_Host_SendControlRequest(CommandBuffer);
}

static bool Bluetooth_GetNextHCIEventHeader(void)
{
	Pipe_SelectPipe(BLUETOOTH_EVENTS_PIPE);
	Pipe_Unfreeze();
	
	if (!(Pipe_ReadWriteAllowed()))
	  return false;
	  
	Pipe_Read_Stream_LE(&HCIEventHeader, sizeof(HCIEventHeader));
	  
	return true;
}
Пример #17
0
/** Routine to receive the current CSW from the device.
 *
 *  \param[out] SCSICommandStatus  Pointer to a destination where the returned status data should be stored
 *
 *  \return A value from the Pipe_Stream_RW_ErrorCodes_t enum, or MASS_STORE_SCSI_COMMAND_FAILED if the SCSI command fails
 */
static uint8_t MassStore_GetReturnedStatus(CommandStatusWrapper_t* const SCSICommandStatus)
{
	uint8_t ErrorCode = PIPE_RWSTREAM_NoError;

	/* If an error in the command occurred, abort */
	if ((ErrorCode = MassStore_WaitForDataReceived()) != PIPE_RWSTREAM_NoError)
	  return ErrorCode;

	/* Select the IN data pipe for data reception */
	Pipe_SelectPipe(MASS_STORE_DATA_IN_PIPE);
	Pipe_Unfreeze();

	/* Load in the CSW from the attached device */
	if ((ErrorCode = Pipe_Read_Stream_LE(SCSICommandStatus, sizeof(CommandStatusWrapper_t))) != PIPE_RWSTREAM_NoError)
	  return ErrorCode;

	/* Clear the data ready for next reception */
	Pipe_ClearIN();

	/* Freeze the IN pipe after use */
	Pipe_Freeze();

	/* Check to see if command failed */
	if (SCSICommandStatus->Status != Command_Pass)
	  ErrorCode = MASS_STORE_SCSI_COMMAND_FAILED;

	return ErrorCode;
}
Пример #18
0
/** Reads in and processes the next report from the attached device, displaying the report
 *  contents on the board LEDs and via the serial port.
 */
void ReadNextReport(void)
{
	USB_MouseReport_Data_t MouseReport;
	uint8_t                LEDMask = LEDS_NO_LEDS;

	/* Select mouse data pipe */
	Pipe_SelectPipe(MOUSE_DATA_IN_PIPE);

	/* Unfreeze keyboard data pipe */
	Pipe_Unfreeze();

	/* Check to see if a packet has been received */
	if (!(Pipe_IsINReceived()))
	{
		/* No packet received (no movement), turn off LEDs */
		LEDs_SetAllLEDs(LEDS_NO_LEDS);

		/* Refreeze HID data IN pipe */
		Pipe_Freeze();

		return;
	}

	/* Ensure pipe contains data before trying to read from it */
	if (Pipe_IsReadWriteAllowed())
	{
		/* Read in mouse report data */
		Pipe_Read_Stream_LE(&MouseReport, sizeof(MouseReport));

		/* Alter status LEDs according to mouse X movement */
		if (MouseReport.X > 0)
		  LEDMask |= LEDS_LED1;
		else if (MouseReport.X < 0)
		  LEDMask |= LEDS_LED2;

		/* Alter status LEDs according to mouse Y movement */
		if (MouseReport.Y > 0)
		  LEDMask |= LEDS_LED3;
		else if (MouseReport.Y < 0)
		  LEDMask |= LEDS_LED4;

		/* Alter status LEDs according to mouse button position */
		if (MouseReport.Button)
		  LEDMask  = LEDS_ALL_LEDS;

		LEDs_SetAllLEDs(LEDMask);

		/* Print mouse report data through the serial port */
		printf_P(PSTR("dX:%2d dY:%2d Button:%d\r\n"), MouseReport.X,
													  MouseReport.Y,
													  MouseReport.Button);
	}

	/* Clear the IN endpoint, ready for next data packet */
	Pipe_ClearIN();

	/* Refreeze mouse data pipe */
	Pipe_Freeze();
}
Пример #19
0
/** Reads in and processes the next report from the attached device, displaying the report
 *  contents on the board LEDs and via the serial port.
 */
void ReadNextReport(void)
{
	USB_KeyboardReport_Data_t KeyboardReport;
		
	/* Select keyboard data pipe */
	Pipe_SelectPipe(KEYBOARD_DATAPIPE);	

	/* Unfreeze keyboard data pipe */
	Pipe_Unfreeze();

	/* Check to see if a packet has been received */
	if (!(Pipe_IsINReceived()))
	{
		/* Refreeze HID data IN pipe */
		Pipe_Freeze();
			
		return;
	}
	
	/* Ensure pipe contains data before trying to read from it */
	if (Pipe_IsReadWriteAllowed())
	{
		/* Read in keyboard report data */
		Pipe_Read_Stream_LE(&KeyboardReport, sizeof(KeyboardReport));

		/* Indicate if the modifier byte is non-zero (special key such as shift is being pressed) */
		LEDs_ChangeLEDs(LEDS_LED1, (KeyboardReport.Modifier) ? LEDS_LED1 : 0);
		
		/* Check if a key has been pressed */
		if (KeyboardReport.KeyCode)
		{
			/* Toggle status LED to indicate keypress */
			LEDs_ToggleLEDs(LEDS_LED2);
				  
			char PressedKey = 0;

			/* Retrieve pressed key character if alphanumeric */
			if ((KeyboardReport.KeyCode[0] >= 0x04) && (KeyboardReport.KeyCode[0] <= 0x1D))
			  PressedKey = (KeyboardReport.KeyCode[0] - 0x04) + 'A';
			else if ((KeyboardReport.KeyCode[0] >= 0x1E) && (KeyboardReport.KeyCode[0] <= 0x27))
			  PressedKey = (KeyboardReport.KeyCode[0] - 0x1E) + '0';
			else if (KeyboardReport.KeyCode[0] == 0x2C)
			  PressedKey = ' ';						
			else if (KeyboardReport.KeyCode[0] == 0x28)
			  PressedKey = '\n';
				 
			/* Print the pressed key character out through the serial port if valid */
			if (PressedKey)
			  putchar(PressedKey);
		}
	}
		
	/* Clear the IN endpoint, ready for next data packet */
	Pipe_ClearIN();

	/* Refreeze keyboard data pipe */
	Pipe_Freeze();
}
Пример #20
0
static uint8_t MS_Host_SendReceiveData(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
                                       MS_CommandBlockWrapper_t* const SCSICommandBlock,
                                       void* BufferPtr)
{
	uint8_t  ErrorCode = PIPE_RWSTREAM_NoError;
	uint16_t BytesRem  = SCSICommandBlock->DataTransferLength;

	if (SCSICommandBlock->Flags & MS_COMMAND_DIR_DATA_IN)
	{
		if ((ErrorCode = MS_Host_WaitForDataReceived(MSInterfaceInfo)) != PIPE_RWSTREAM_NoError)
		{
			Pipe_Freeze();
			return ErrorCode;
		}

		Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);
		Pipe_Unfreeze();

		if ((ErrorCode = Pipe_Read_Stream_LE(BufferPtr, BytesRem, NULL)) != PIPE_RWSTREAM_NoError)
		  return ErrorCode;

		Pipe_ClearIN();
	}
	else
	{
		Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipeNumber);
		Pipe_Unfreeze();

		if ((ErrorCode = Pipe_Write_Stream_LE(BufferPtr, BytesRem, NULL)) != PIPE_RWSTREAM_NoError)
		  return ErrorCode;

		Pipe_ClearOUT();

		while (!(Pipe_IsOUTReady()))
		{
			if (USB_HostState == HOST_STATE_Unattached)
			  return PIPE_RWSTREAM_DeviceDisconnected;
		}
	}

	Pipe_Freeze();

	return ErrorCode;
}
Пример #21
0
/** Reads and processes an attached device's descriptors, to determine compatibility and pipe configurations. This
 *  routine will read in the entire configuration descriptor, and configure the hosts pipes to correctly communicate
 *  with compatible devices.
 *
 *  This routine searches for a HID interface descriptor containing at least one Interrupt type IN endpoint.
 *
 *  \return An error code from the MouseHostViaInt_GetConfigDescriptorDataCodes_t enum.
 */
uint8_t ProcessConfigurationDescriptor(void)
{
	uint8_t* ConfigDescriptorData;
	uint16_t ConfigDescriptorSize;
	
	/* Get Configuration Descriptor size from the device */
	if (USB_Host_GetDeviceConfigDescriptor(&ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful)
	  return ControlError;
	
	/* Ensure that the Configuration Descriptor isn't too large */
	if (ConfigDescriptorSize > MAX_CONFIG_DESCRIPTOR_SIZE)
	  return DescriptorTooLarge;
	  
	/* Allocate enough memory for the entire config descriptor */
	ConfigDescriptorData = alloca(ConfigDescriptorSize);

	/* Retrieve the entire configuration descriptor into the allocated buffer */
	USB_Host_GetDeviceConfigDescriptor(&ConfigDescriptorSize, ConfigDescriptorData);
	
	/* Validate returned data - ensure first entry is a configuration header descriptor */
	if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
	  return InvalidConfigDataReturned;
	
	/* Get the mouse interface from the configuration descriptor */
	if (USB_Host_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, NextMouseInterface))
	{
		/* Descriptor not found, error out */
		return NoHIDInterfaceFound;
	}

	/* Get the mouse interface's data endpoint descriptor */
	if (USB_Host_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
	                                                NextInterfaceMouseDataEndpoint))
	{
		/* Descriptor not found, error out */
		return NoEndpointFound;
	}
	
	/* Retrieve the endpoint address from the endpoint descriptor */
	USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);

	/* Configure the mouse data pipe */
	Pipe_ConfigurePipe(MOUSE_DATAPIPE, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
	                   EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);

	Pipe_SetInfiniteINRequests();
	Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS);
	Pipe_Unfreeze();
			
	/* Enable the pipe IN interrupt for the data pipe */
	USB_INT_Enable(PIPE_INT_IN);
			
	/* Valid data found, return success */
	return SuccessfulConfigRead;
}
Пример #22
0
/** Sends or receives the transaction's data stage to or from the attached device, reading or
 *  writing to the nominated buffer.
 *
 *  \param  BufferPtr  Pointer to the data buffer to read from or write to
 *
 *  \return A value from the Pipe_Stream_RW_ErrorCodes_t enum
 */
static uint8_t MassStore_SendReceiveData(void* BufferPtr)
{
	uint8_t  ErrorCode = PIPE_RWSTREAM_NoError;
	uint16_t BytesRem  = SCSICommandBlock.Header.DataTransferLength;

	/* Check the direction of the SCSI command data stage */
	if (SCSICommandBlock.Header.Flags & COMMAND_DIRECTION_DATA_IN)
	{
		/* Select the IN data pipe for data reception */
		Pipe_SelectPipe(MASS_STORE_DATA_IN_PIPE);
		Pipe_Unfreeze();
		
		/* Read in the block data from the pipe */
		if ((ErrorCode = Pipe_Read_Stream_LE(BufferPtr, BytesRem)) != PIPE_RWSTREAM_NoError)
		  return ErrorCode;

		/* Acknowledge the packet */
		Pipe_ClearIN();
	}
	else
	{
		/* Select the OUT data pipe for data transmission */
		Pipe_SelectPipe(MASS_STORE_DATA_OUT_PIPE);
		Pipe_Unfreeze();

		/* Write the block data to the pipe */
		if ((ErrorCode = Pipe_Write_Stream_LE(BufferPtr, BytesRem)) != PIPE_RWSTREAM_NoError)
		  return ErrorCode;

		/* Acknowledge the packet */
		Pipe_ClearOUT();
		
		while (!(Pipe_IsOUTReady()));
	}
	
	/* Freeze used pipe after use */
	Pipe_Freeze();

	return PIPE_RWSTREAM_NoError;
}
Пример #23
0
/** Writes a report to the attached device.
 *
 *  \param[in] ReportOUTData  Buffer containing the report to send to the device
 *  \param[in] ReportLength  Length of the report to send
 */
void WriteNextReport(uint8_t* const ReportOUTData,
                     const uint16_t ReportLength)
{
	if (USB_HostState != HOST_STATE_Configured)
	  return;

	/* Select and unfreeze HID data OUT pipe */
	Pipe_SelectPipe(HID_DATA_OUT_PIPE);

	/* Not all HID devices have an OUT endpoint (some require OUT reports to be sent over the
	 * control endpoint instead) - check to see if the OUT endpoint has been initialized */
	if (Pipe_IsConfigured())
	{
		Pipe_Unfreeze();

		/* Ensure pipe is ready to be written to before continuing */
		if (!(Pipe_IsOUTReady()))
		{
			/* Refreeze the data OUT pipe */
			Pipe_Freeze();

			return;
		}

		/* Write out HID report data */
		Pipe_Write_Stream_LE(ReportOUTData, ReportLength, NULL);

		/* Clear the OUT endpoint, send last data packet */
		Pipe_ClearOUT();

		/* Refreeze the data OUT pipe */
		Pipe_Freeze();
	}
	else
	{
		/* Class specific request to send a HID report to the device */
		USB_ControlRequest = (USB_Request_Header_t)
			{
				.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
				.bRequest      = HID_REQ_SetReport,
				.wValue        = 0x02,
				.wIndex        = 0x01,
				.wLength       = ReportLength,
			};

		/* Select the control pipe for the request transfer */
		Pipe_SelectPipe(PIPE_CONTROLPIPE);

		/* Send the request to the device */
		USB_Host_SendControlRequest(ReportOUTData);
	}
}
Пример #24
0
uint8_t SImage_Host_ReadData(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, void* Buffer, const uint16_t Bytes)
{
	uint8_t ErrorCode;

	Pipe_SelectPipe(SIInterfaceInfo->Config.DataINPipeNumber);
	Pipe_Unfreeze();

	ErrorCode = Pipe_Read_Stream_LE(Buffer, Bytes, NO_STREAM_CALLBACK);

	Pipe_Freeze();
	
	return ErrorCode;
}
Пример #25
0
bool SImage_Host_IsEventReceived(USB_ClassInfo_SI_Host_t* SIInterfaceInfo)
{
	bool IsEventReceived = false;

	Pipe_SelectPipe(SIInterfaceInfo->Config.EventsPipeNumber);
	Pipe_Unfreeze();
	
	if (Pipe_BytesInPipe())
	  IsEventReceived = true;
	
	Pipe_Freeze();
	
	return IsEventReceived;
}
Пример #26
0
uint8_t SImage_Host_ReceiveEventHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo, SI_PIMA_Container_t* const PIMAHeader)
{
	uint8_t ErrorCode;

	Pipe_SelectPipe(SIInterfaceInfo->Config.EventsPipeNumber);
	Pipe_Unfreeze();
	
	ErrorCode = Pipe_Read_Stream_LE(PIMAHeader, sizeof(SI_PIMA_Container_t), NO_STREAM_CALLBACK);
	
	Pipe_ClearIN();
	Pipe_Freeze();
	
	return ErrorCode;
}
Пример #27
0
/** Function to receive the given data from the device, after a response block has been received.
 *
 *  \param[out] Buffer  Destination data buffer to put read bytes from the device
 *  \param[in] Bytes    Number of bytes to receive
 *
 *  \return A value from the Pipe_Stream_RW_ErrorCodes_t enum
 */
uint8_t SImage_ReadData(void* const Buffer,
                        const uint16_t Bytes)
{
	uint8_t ErrorCode;

	/* Unfreeze the data IN pipe */
	Pipe_SelectPipe(SIMAGE_DATA_IN_PIPE);
	Pipe_Unfreeze();

	/* Read in the data into the buffer */
	ErrorCode = Pipe_Read_Stream_LE(Buffer, Bytes, NULL);

	/* Freeze the pipe again after use */
	Pipe_Freeze();

	return ErrorCode;
}
Пример #28
0
/** Task to read in data received from the attached RNDIS device and print it to the serial port.
 */
void RNDISHost_Task(void)
{
	if (USB_HostState != HOST_STATE_Configured)
	  return;

	uint8_t ErrorCode;

	LEDs_SetAllLEDs(LEDMASK_USB_BUSY);

	uint16_t PacketLength;
	if ((ErrorCode = RNDIS_GetPacketLength(&PacketLength)) != HOST_SENDCONTROL_Successful)
	{
		printf_P(PSTR(ESC_FG_RED "Packet Reception Error.\r\n"
		                         " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
		return;
	}

	if (!(PacketLength))
	  return;

	Pipe_Unfreeze();

	printf_P(PSTR("***PACKET (Size %d)***\r\n"), PacketLength);

	if (PacketLength > 1024)
	{
		puts_P(PSTR(ESC_FG_RED "Packet too large.\r\n" ESC_FG_WHITE));
		Pipe_Discard_Stream(PacketLength, NULL);
	}
	else
	{
		uint8_t PacketBuffer[PacketLength];

		Pipe_Read_Stream_LE(&PacketBuffer, PacketLength, NULL);

		for (uint16_t i = 0; i < PacketLength; i++)
		  printf("0x%02x ", PacketBuffer[i]);
	}

	Pipe_ClearIN();
	Pipe_Freeze();

	printf("\r\n\r\n");

	LEDs_SetAllLEDs(LEDMASK_USB_READY);
}
Пример #29
0
bool SI_Host_IsEventReceived(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
{
	bool IsEventReceived = false;

	if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
	  return false;

	Pipe_SelectPipe(SIInterfaceInfo->Config.EventsPipeNumber);
	Pipe_Unfreeze();

	if (Pipe_BytesInPipe())
	  IsEventReceived = true;

	Pipe_Freeze();

	return IsEventReceived;
}
Пример #30
0
/** Function to test if a PIMA event block is waiting to be read in from the attached device.
 *
 *  \return True if an event is waiting to be read in from the device, false otherwise
 */
bool SImage_IsEventReceived(void)
{
	bool IsEventReceived = false;

	/* Unfreeze the Event pipe */
	Pipe_SelectPipe(SIMAGE_EVENTS_PIPE);
	Pipe_Unfreeze();

	/* If the pipe contains data, an event has been received */
	if (Pipe_BytesInPipe())
	  IsEventReceived = true;

	/* Freeze the pipe after use */
	Pipe_Freeze();

	return IsEventReceived;
}