401 lines
11 KiB
C
401 lines
11 KiB
C
/*
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LUFA Library
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Copyright (C) Dean Camera, 2019.
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dean [at] fourwalledcubicle [dot] com
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www.lufa-lib.org
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*/
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/*
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Copyright 2019 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 disclaims 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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#define __INCLUDE_FROM_USB_DRIVER
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#include "../../Core/USBMode.h"
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#if defined(USB_CAN_BE_HOST)
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#define __INCLUDE_FROM_PRINTER_DRIVER
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#define __INCLUDE_FROM_PRINTER_HOST_C
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#include "PrinterClassHost.h"
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uint8_t PRNT_Host_ConfigurePipes(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
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uint16_t ConfigDescriptorSize,
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void* ConfigDescriptorData)
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{
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USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
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USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
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USB_Descriptor_Interface_t* PrinterInterface = NULL;
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memset(&PRNTInterfaceInfo->State, 0x00, sizeof(PRNTInterfaceInfo->State));
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if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
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return PRNT_ENUMERROR_InvalidConfigDescriptor;
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while (!(DataINEndpoint) || !(DataOUTEndpoint))
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{
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if (!(PrinterInterface) ||
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USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
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DCOMP_PRNT_Host_NextPRNTInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
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{
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if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
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DCOMP_PRNT_Host_NextPRNTInterface) != DESCRIPTOR_SEARCH_COMP_Found)
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{
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return PRNT_ENUMERROR_NoCompatibleInterfaceFound;
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}
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PrinterInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
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DataINEndpoint = NULL;
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DataOUTEndpoint = NULL;
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continue;
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}
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USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
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if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
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DataINEndpoint = EndpointData;
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else
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DataOUTEndpoint = EndpointData;
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}
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PRNTInterfaceInfo->Config.DataINPipe.Size = le16_to_cpu(DataINEndpoint->EndpointSize);
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PRNTInterfaceInfo->Config.DataINPipe.EndpointAddress = DataINEndpoint->EndpointAddress;
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PRNTInterfaceInfo->Config.DataINPipe.Type = EP_TYPE_BULK;
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PRNTInterfaceInfo->Config.DataOUTPipe.Size = le16_to_cpu(DataOUTEndpoint->EndpointSize);
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PRNTInterfaceInfo->Config.DataOUTPipe.EndpointAddress = DataOUTEndpoint->EndpointAddress;
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PRNTInterfaceInfo->Config.DataOUTPipe.Type = EP_TYPE_BULK;
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if (!(Pipe_ConfigurePipeTable(&PRNTInterfaceInfo->Config.DataINPipe, 1)))
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return PRNT_ENUMERROR_PipeConfigurationFailed;
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if (!(Pipe_ConfigurePipeTable(&PRNTInterfaceInfo->Config.DataOUTPipe, 1)))
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return PRNT_ENUMERROR_PipeConfigurationFailed;
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PRNTInterfaceInfo->State.InterfaceNumber = PrinterInterface->InterfaceNumber;
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PRNTInterfaceInfo->State.AlternateSetting = PrinterInterface->AlternateSetting;
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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_PRNT_Host_NextPRNTInterface(void* CurrentDescriptor)
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{
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USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
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if (Header->Type == DTYPE_Interface)
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{
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USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
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if ((Interface->Class == PRNT_CSCP_PrinterClass) &&
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(Interface->SubClass == PRNT_CSCP_PrinterSubclass) &&
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(Interface->Protocol == PRNT_CSCP_BidirectionalProtocol))
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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_PRNT_Host_NextPRNTInterfaceEndpoint(void* CurrentDescriptor)
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{
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USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
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if (Header->Type == DTYPE_Endpoint)
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{
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USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
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uint8_t EndpointType = (Endpoint->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 (Header->Type == 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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void PRNT_Host_USBTask(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
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{
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if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
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return;
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#if !defined(NO_CLASS_DRIVER_AUTOFLUSH)
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PRNT_Host_Flush(PRNTInterfaceInfo);
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#endif
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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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if ((ErrorCode = USB_Host_SetInterfaceAltSetting(PRNTInterfaceInfo->State.InterfaceNumber,
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PRNTInterfaceInfo->State.AlternateSetting)) != HOST_SENDCONTROL_Successful)
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{
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return ErrorCode;
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}
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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,
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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 = PRNT_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 = PRNT_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_Flush(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
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{
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if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
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return PIPE_READYWAIT_DeviceDisconnected;
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uint8_t ErrorCode;
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Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataOUTPipe.Address);
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Pipe_Unfreeze();
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if (!(Pipe_BytesInPipe()))
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return PIPE_READYWAIT_NoError;
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bool BankFull = !(Pipe_IsReadWriteAllowed());
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Pipe_ClearOUT();
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if (BankFull)
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{
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if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)
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return ErrorCode;
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Pipe_ClearOUT();
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}
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Pipe_Freeze();
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return PIPE_READYWAIT_NoError;
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}
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uint8_t PRNT_Host_SendByte(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
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const uint8_t Data)
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{
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if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
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return PIPE_READYWAIT_DeviceDisconnected;
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uint8_t ErrorCode;
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Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataOUTPipe.Address);
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Pipe_Unfreeze();
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if (!(Pipe_IsReadWriteAllowed()))
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{
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Pipe_ClearOUT();
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if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)
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return ErrorCode;
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}
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Pipe_Write_8(Data);
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Pipe_Freeze();
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return PIPE_READYWAIT_NoError;
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}
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uint8_t PRNT_Host_SendString(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
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const char* const String)
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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.DataOUTPipe.Address);
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Pipe_Unfreeze();
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if ((ErrorCode = Pipe_Write_Stream_LE(String, strlen(String), NULL)) != PIPE_RWSTREAM_NoError)
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return ErrorCode;
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Pipe_ClearOUT();
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ErrorCode = Pipe_WaitUntilReady();
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Pipe_Freeze();
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return ErrorCode;
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}
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uint8_t PRNT_Host_SendData(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
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const void* Buffer,
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const uint16_t Length)
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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.DataOUTPipe.Address);
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Pipe_Unfreeze();
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if ((ErrorCode = Pipe_Write_Stream_LE(Buffer, Length, NULL)) != PIPE_RWSTREAM_NoError)
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return ErrorCode;
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Pipe_ClearOUT();
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ErrorCode = Pipe_WaitUntilReady();
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Pipe_Freeze();
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return ErrorCode;
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}
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uint16_t PRNT_Host_BytesReceived(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
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{
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if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
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return 0;
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Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataINPipe.Address);
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Pipe_Unfreeze();
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if (Pipe_IsINReceived())
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{
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if (!(Pipe_BytesInPipe()))
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{
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Pipe_ClearIN();
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Pipe_Freeze();
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return 0;
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}
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else
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{
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Pipe_Freeze();
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return Pipe_BytesInPipe();
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}
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}
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else
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{
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Pipe_Freeze();
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return 0;
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}
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}
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int16_t PRNT_Host_ReceiveByte(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
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{
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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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int16_t ReceivedByte = -1;
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Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataINPipe.Address);
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Pipe_Unfreeze();
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if (Pipe_IsINReceived())
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{
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if (Pipe_BytesInPipe())
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ReceivedByte = Pipe_Read_8();
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if (!(Pipe_BytesInPipe()))
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Pipe_ClearIN();
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}
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Pipe_Freeze();
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return ReceivedByte;
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}
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uint8_t PRNT_Host_GetDeviceID(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
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char* const DeviceIDString,
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const uint16_t BufferSize)
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{
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uint8_t ErrorCode;
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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 = PRNT_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 = be16_to_cpu(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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