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249 lines
8.3 KiB
249 lines
8.3 KiB
/*
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LUFA Library
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Copyright (C) Dean Camera, 2010.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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#include "../../HighLevel/USBMode.h"
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#if defined(USB_CAN_BE_HOST)
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#define INCLUDE_FROM_PRINTER_CLASS_HOST_C
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#include "Printer.h"
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uint8_t PRNT_Host_ConfigurePipes(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo, uint16_t ConfigDescriptorSize,
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void* DeviceConfigDescriptor)
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{
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uint8_t FoundEndpoints = 0;
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memset(&PRNTInterfaceInfo->State, 0x00, sizeof(PRNTInterfaceInfo->State));
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if (DESCRIPTOR_TYPE(DeviceConfigDescriptor) != DTYPE_Configuration)
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return PRNT_ENUMERROR_InvalidConfigDescriptor;
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if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &DeviceConfigDescriptor,
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DComp_NextPRNTInterface) != DESCRIPTOR_SEARCH_COMP_Found)
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{
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return PRNT_ENUMERROR_NoPrinterInterfaceFound;
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}
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USB_Descriptor_Interface_t* PrinterInterface = DESCRIPTOR_PCAST(DeviceConfigDescriptor, USB_Descriptor_Interface_t);
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PRNTInterfaceInfo->State.InterfaceNumber = PrinterInterface->InterfaceNumber;
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PRNTInterfaceInfo->State.AlternateSetting = PrinterInterface->AlternateSetting;
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while (FoundEndpoints != (PRNT_FOUND_DATAPIPE_IN | PRNT_FOUND_DATAPIPE_OUT))
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{
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if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &DeviceConfigDescriptor,
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DComp_NextPRNTInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
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{
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return PRNT_ENUMERROR_EndpointsNotFound;
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}
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USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(DeviceConfigDescriptor, USB_Descriptor_Endpoint_t);
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if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
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{
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Pipe_ConfigurePipe(PRNTInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN,
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EndpointData->EndpointAddress, EndpointData->EndpointSize,
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PRNTInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
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PRNTInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;
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FoundEndpoints |= PRNT_FOUND_DATAPIPE_IN;
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}
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else
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{
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Pipe_ConfigurePipe(PRNTInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT,
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EndpointData->EndpointAddress, EndpointData->EndpointSize,
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PRNTInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
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PRNTInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;
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FoundEndpoints |= PRNT_FOUND_DATAPIPE_OUT;
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}
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}
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PRNTInterfaceInfo->State.IsActive = true;
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return PRNT_ENUMERROR_NoError;
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}
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static uint8_t DComp_NextPRNTInterface(void* CurrentDescriptor)
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{
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if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
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{
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if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class == PRINTER_CLASS) &&
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(DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == PRINTER_SUBCLASS) &&
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(DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == PRINTER_PROTOCOL))
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{
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return DESCRIPTOR_SEARCH_Found;
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}
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}
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return DESCRIPTOR_SEARCH_NotFound;
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}
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static uint8_t DComp_NextPRNTInterfaceEndpoint(void* CurrentDescriptor)
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{
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if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
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{
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uint8_t EndpointType = (DESCRIPTOR_CAST(CurrentDescriptor,
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USB_Descriptor_Endpoint_t).Attributes & EP_TYPE_MASK);
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if (EndpointType == EP_TYPE_BULK)
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return DESCRIPTOR_SEARCH_Found;
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}
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else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
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{
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return DESCRIPTOR_SEARCH_Fail;
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}
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return DESCRIPTOR_SEARCH_NotFound;
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}
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uint8_t PRNT_Host_SetBidirectionalMode(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
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{
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if (PRNTInterfaceInfo->State.AlternateSetting)
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{
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uint8_t ErrorCode;
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USB_ControlRequest = (USB_Request_Header_t)
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{
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.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_INTERFACE),
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.bRequest = REQ_SetInterface,
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.wValue = PRNTInterfaceInfo->State.AlternateSetting,
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.wIndex = PRNTInterfaceInfo->State.InterfaceNumber,
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.wLength = 0,
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};
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Pipe_SelectPipe(PIPE_CONTROLPIPE);
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if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)
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return ErrorCode;
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}
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return HOST_SENDCONTROL_Successful;
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}
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uint8_t PRNT_Host_GetPortStatus(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo, uint8_t* const PortStatus)
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{
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USB_ControlRequest = (USB_Request_Header_t)
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{
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.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
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.bRequest = REQ_GetPortStatus,
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.wValue = 0,
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.wIndex = PRNTInterfaceInfo->State.InterfaceNumber,
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.wLength = sizeof(uint8_t),
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};
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Pipe_SelectPipe(PIPE_CONTROLPIPE);
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return USB_Host_SendControlRequest(PortStatus);
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}
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uint8_t PRNT_Host_SoftReset(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
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{
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USB_ControlRequest = (USB_Request_Header_t)
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{
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.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
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.bRequest = REQ_SoftReset,
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.wValue = 0,
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.wIndex = PRNTInterfaceInfo->State.InterfaceNumber,
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.wLength = 0,
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};
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Pipe_SelectPipe(PIPE_CONTROLPIPE);
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return USB_Host_SendControlRequest(NULL);
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}
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uint8_t PRNT_Host_SendData(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo, void* PrinterCommands, uint16_t CommandSize)
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{
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uint8_t ErrorCode;
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if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
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return PIPE_RWSTREAM_DeviceDisconnected;
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Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataOUTPipeNumber);
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Pipe_Unfreeze();
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if ((ErrorCode = Pipe_Write_Stream_LE(PrinterCommands, CommandSize, NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
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return ErrorCode;
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Pipe_ClearOUT();
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while (!(Pipe_IsOUTReady()))
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{
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if (USB_HostState == HOST_STATE_Unattached)
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return PIPE_RWSTREAM_DeviceDisconnected;
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}
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Pipe_Freeze();
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return PIPE_RWSTREAM_NoError;
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}
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uint8_t PRNT_Host_GetDeviceID(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo, char* DeviceIDString, uint16_t BufferSize)
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{
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uint8_t ErrorCode = HOST_SENDCONTROL_Successful;
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uint16_t DeviceIDStringLength = 0;
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USB_ControlRequest = (USB_Request_Header_t)
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{
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.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
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.bRequest = REQ_GetDeviceID,
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.wValue = 0,
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.wIndex = PRNTInterfaceInfo->State.InterfaceNumber,
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.wLength = sizeof(DeviceIDStringLength),
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};
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Pipe_SelectPipe(PIPE_CONTROLPIPE);
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if ((ErrorCode = USB_Host_SendControlRequest(&DeviceIDStringLength)) != HOST_SENDCONTROL_Successful)
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return ErrorCode;
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if (!(DeviceIDStringLength))
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{
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DeviceIDString[0] = 0x00;
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return HOST_SENDCONTROL_Successful;
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}
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DeviceIDStringLength = SwapEndian_16(DeviceIDStringLength);
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if (DeviceIDStringLength > BufferSize)
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DeviceIDStringLength = BufferSize;
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USB_ControlRequest.wLength = DeviceIDStringLength;
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if ((ErrorCode = USB_Host_SendControlRequest(DeviceIDString)) != HOST_SENDCONTROL_Successful)
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return ErrorCode;
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memmove(&DeviceIDString[0], &DeviceIDString[2], DeviceIDStringLength - 2);
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DeviceIDString[DeviceIDStringLength - 2] = 0x00;
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return HOST_SENDCONTROL_Successful;
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}
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#endif
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