--- /dev/null
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2011.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, distribute, and sell this
+ software and its documentation for any purpose is hereby granted
+ without fee, provided that the above copyright notice appear in
+ all copies and that both that the copyright notice and this
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
+ software without specific, written prior permission.
+
+ The author disclaim all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+#define __INCLUDE_FROM_USB_DRIVER
+#include "../../Core/USBMode.h"
+
+#if defined(USB_CAN_BE_HOST)
+
+#define __INCLUDE_FROM_PRINTER_DRIVER
+#define __INCLUDE_FROM_PRINTER_HOST_C
+#include "PrinterClassHost.h"
+
+uint8_t PRNT_Host_ConfigurePipes(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
+ uint16_t ConfigDescriptorSize,
+ void* ConfigDescriptorData)
+{
+ USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
+ USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
+ USB_Descriptor_Interface_t* PrinterInterface = NULL;
+
+ memset(&PRNTInterfaceInfo->State, 0x00, sizeof(PRNTInterfaceInfo->State));
+
+ if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
+ return PRNT_ENUMERROR_InvalidConfigDescriptor;
+
+ while (!(DataINEndpoint) || !(DataOUTEndpoint))
+ {
+ if (!(PrinterInterface) ||
+ USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
+ DCOMP_PRNT_Host_NextPRNTInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
+ {
+ if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
+ DCOMP_PRNT_Host_NextPRNTInterface) != DESCRIPTOR_SEARCH_COMP_Found)
+ {
+ return PRNT_ENUMERROR_NoCompatibleInterfaceFound;
+ }
+
+ PrinterInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
+
+ DataINEndpoint = NULL;
+ DataOUTEndpoint = NULL;
+
+ continue;
+ }
+
+ USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
+
+ if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
+ DataINEndpoint = EndpointData;
+ else
+ DataOUTEndpoint = EndpointData;
+ }
+
+ for (uint8_t PipeNum = 1; PipeNum < PIPE_TOTAL_PIPES; PipeNum++)
+ {
+ uint16_t Size;
+ uint8_t Type;
+ uint8_t Token;
+ uint8_t EndpointAddress;
+ bool DoubleBanked;
+
+ if (PipeNum == PRNTInterfaceInfo->Config.DataINPipeNumber)
+ {
+ Size = le16_to_cpu(DataINEndpoint->EndpointSize);
+ EndpointAddress = DataINEndpoint->EndpointAddress;
+ Token = PIPE_TOKEN_IN;
+ Type = EP_TYPE_BULK;
+ DoubleBanked = PRNTInterfaceInfo->Config.DataINPipeDoubleBank;
+
+ PRNTInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize;
+ }
+ else if (PipeNum == PRNTInterfaceInfo->Config.DataOUTPipeNumber)
+ {
+ Size = le16_to_cpu(DataOUTEndpoint->EndpointSize);
+ EndpointAddress = DataOUTEndpoint->EndpointAddress;
+ Token = PIPE_TOKEN_OUT;
+ Type = EP_TYPE_BULK;
+ DoubleBanked = PRNTInterfaceInfo->Config.DataOUTPipeDoubleBank;
+
+ PRNTInterfaceInfo->State.DataOUTPipeSize = DataOUTEndpoint->EndpointSize;
+ }
+ else
+ {
+ continue;
+ }
+
+ if (!(Pipe_ConfigurePipe(PipeNum, Type, Token, EndpointAddress, Size,
+ DoubleBanked ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE)))
+ {
+ return PRNT_ENUMERROR_PipeConfigurationFailed;
+ }
+ }
+
+ PRNTInterfaceInfo->State.InterfaceNumber = PrinterInterface->InterfaceNumber;
+ PRNTInterfaceInfo->State.AlternateSetting = PrinterInterface->AlternateSetting;
+ PRNTInterfaceInfo->State.IsActive = true;
+
+ return PRNT_ENUMERROR_NoError;
+}
+
+static uint8_t DCOMP_PRNT_Host_NextPRNTInterface(void* CurrentDescriptor)
+{
+ USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+ if (Header->Type == DTYPE_Interface)
+ {
+ USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
+
+ if ((Interface->Class == PRNT_CSCP_PrinterClass) &&
+ (Interface->SubClass == PRNT_CSCP_PrinterSubclass) &&
+ (Interface->Protocol == PRNT_CSCP_BidirectionalProtocol))
+ {
+ return DESCRIPTOR_SEARCH_Found;
+ }
+ }
+
+ return DESCRIPTOR_SEARCH_NotFound;
+}
+
+static uint8_t DCOMP_PRNT_Host_NextPRNTInterfaceEndpoint(void* CurrentDescriptor)
+{
+ USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+ if (Header->Type == DTYPE_Endpoint)
+ {
+ USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
+
+ uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK);
+
+ if (EndpointType == EP_TYPE_BULK)
+ return DESCRIPTOR_SEARCH_Found;
+ }
+ else if (Header->Type == DTYPE_Interface)
+ {
+ return DESCRIPTOR_SEARCH_Fail;
+ }
+
+ return DESCRIPTOR_SEARCH_NotFound;
+}
+
+void PRNT_Host_USBTask(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
+{
+ if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
+ return;
+
+ #if !defined(NO_CLASS_DRIVER_AUTOFLUSH)
+ PRNT_Host_Flush(PRNTInterfaceInfo);
+ #endif
+}
+
+uint8_t PRNT_Host_SetBidirectionalMode(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
+{
+ if (PRNTInterfaceInfo->State.AlternateSetting)
+ {
+ uint8_t ErrorCode;
+
+ if ((ErrorCode = USB_Host_SetInterfaceAltSetting(PRNTInterfaceInfo->State.InterfaceNumber,
+ PRNTInterfaceInfo->State.AlternateSetting)) != HOST_SENDCONTROL_Successful)
+ {
+ return ErrorCode;
+ }
+ }
+
+ return HOST_SENDCONTROL_Successful;
+}
+
+uint8_t PRNT_Host_GetPortStatus(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
+ uint8_t* const PortStatus)
+{
+ USB_ControlRequest = (USB_Request_Header_t)
+ {
+ .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
+ .bRequest = PRNT_REQ_GetPortStatus,
+ .wValue = 0,
+ .wIndex = PRNTInterfaceInfo->State.InterfaceNumber,
+ .wLength = sizeof(uint8_t),
+ };
+
+ Pipe_SelectPipe(PIPE_CONTROLPIPE);
+ return USB_Host_SendControlRequest(PortStatus);
+}
+
+uint8_t PRNT_Host_SoftReset(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
+{
+ USB_ControlRequest = (USB_Request_Header_t)
+ {
+ .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
+ .bRequest = PRNT_REQ_SoftReset,
+ .wValue = 0,
+ .wIndex = PRNTInterfaceInfo->State.InterfaceNumber,
+ .wLength = 0,
+ };
+
+ Pipe_SelectPipe(PIPE_CONTROLPIPE);
+ return USB_Host_SendControlRequest(NULL);
+}
+
+uint8_t PRNT_Host_Flush(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
+{
+ if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
+ return PIPE_READYWAIT_DeviceDisconnected;
+
+ uint8_t ErrorCode;
+
+ Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataOUTPipeNumber);
+ Pipe_Unfreeze();
+
+ if (!(Pipe_BytesInPipe()))
+ return PIPE_READYWAIT_NoError;
+
+ bool BankFull = !(Pipe_IsReadWriteAllowed());
+
+ Pipe_ClearOUT();
+
+ if (BankFull)
+ {
+ if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)
+ return ErrorCode;
+
+ Pipe_ClearOUT();
+ }
+
+ Pipe_Freeze();
+
+ return PIPE_READYWAIT_NoError;
+}
+
+uint8_t PRNT_Host_SendByte(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
+ const uint8_t Data)
+{
+ if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
+ return PIPE_READYWAIT_DeviceDisconnected;
+
+ uint8_t ErrorCode;
+
+ Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataOUTPipeNumber);
+ Pipe_Unfreeze();
+
+ if (!(Pipe_IsReadWriteAllowed()))
+ {
+ Pipe_ClearOUT();
+
+ if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)
+ return ErrorCode;
+ }
+
+ Pipe_Write_8(Data);
+ Pipe_Freeze();
+
+ return PIPE_READYWAIT_NoError;
+}
+
+uint8_t PRNT_Host_SendString(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
+ void* String)
+{
+ uint8_t ErrorCode;
+
+ if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
+ return PIPE_RWSTREAM_DeviceDisconnected;
+
+ Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataOUTPipeNumber);
+ Pipe_Unfreeze();
+
+ if ((ErrorCode = Pipe_Write_Stream_LE(String, strlen(String), NULL)) != PIPE_RWSTREAM_NoError)
+ return ErrorCode;
+
+ Pipe_ClearOUT();
+
+ ErrorCode = Pipe_WaitUntilReady();
+
+ Pipe_Freeze();
+
+ return ErrorCode;
+}
+
+uint8_t PRNT_Host_SendData(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
+ void* Buffer,
+ const uint16_t Length)
+{
+ uint8_t ErrorCode;
+
+ if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
+ return PIPE_RWSTREAM_DeviceDisconnected;
+
+ Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataOUTPipeNumber);
+ Pipe_Unfreeze();
+
+ if ((ErrorCode = Pipe_Write_Stream_LE(Buffer, Length, NULL)) != PIPE_RWSTREAM_NoError)
+ return ErrorCode;
+
+ Pipe_ClearOUT();
+
+ ErrorCode = Pipe_WaitUntilReady();
+
+ Pipe_Freeze();
+
+ return ErrorCode;
+}
+
+uint16_t PRNT_Host_BytesReceived(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
+{
+ if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
+ return 0;
+
+ Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataINPipeNumber);
+ Pipe_Unfreeze();
+
+ if (Pipe_IsINReceived())
+ {
+ if (!(Pipe_BytesInPipe()))
+ {
+ Pipe_ClearIN();
+ Pipe_Freeze();
+ return 0;
+ }
+ else
+ {
+ Pipe_Freeze();
+ return Pipe_BytesInPipe();
+ }
+ }
+ else
+ {
+ Pipe_Freeze();
+
+ return 0;
+ }
+}
+
+int16_t PRNT_Host_ReceiveByte(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
+{
+ if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
+ return PIPE_RWSTREAM_DeviceDisconnected;
+
+ int16_t ReceivedByte = -1;
+
+ Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataINPipeNumber);
+ Pipe_Unfreeze();
+
+ if (Pipe_IsINReceived())
+ {
+ if (Pipe_BytesInPipe())
+ ReceivedByte = Pipe_Read_8();
+
+ if (!(Pipe_BytesInPipe()))
+ Pipe_ClearIN();
+ }
+
+ Pipe_Freeze();
+
+ return ReceivedByte;
+}
+
+uint8_t PRNT_Host_GetDeviceID(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
+ char* const DeviceIDString,
+ const uint16_t BufferSize)
+{
+ uint8_t ErrorCode = HOST_SENDCONTROL_Successful;
+ uint16_t DeviceIDStringLength = 0;
+
+ USB_ControlRequest = (USB_Request_Header_t)
+ {
+ .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
+ .bRequest = PRNT_REQ_GetDeviceID,
+ .wValue = 0,
+ .wIndex = PRNTInterfaceInfo->State.InterfaceNumber,
+ .wLength = sizeof(DeviceIDStringLength),
+ };
+
+ Pipe_SelectPipe(PIPE_CONTROLPIPE);
+
+ if ((ErrorCode = USB_Host_SendControlRequest(&DeviceIDStringLength)) != HOST_SENDCONTROL_Successful)
+ return ErrorCode;
+
+ if (!(DeviceIDStringLength))
+ {
+ DeviceIDString[0] = 0x00;
+ return HOST_SENDCONTROL_Successful;
+ }
+
+ DeviceIDStringLength = be16_to_cpu(DeviceIDStringLength);
+
+ if (DeviceIDStringLength > BufferSize)
+ DeviceIDStringLength = BufferSize;
+
+ USB_ControlRequest.wLength = DeviceIDStringLength;
+
+ if ((ErrorCode = USB_Host_SendControlRequest(DeviceIDString)) != HOST_SENDCONTROL_Successful)
+ return ErrorCode;
+
+ memmove(&DeviceIDString[0], &DeviceIDString[2], DeviceIDStringLength - 2);
+
+ DeviceIDString[DeviceIDStringLength - 2] = 0x00;
+
+ return HOST_SENDCONTROL_Successful;
+}
+
+#endif
+
projects / pub / lufa.git / blobdiff