-/*\r
- LUFA Library\r
- Copyright (C) Dean Camera, 2010.\r
- \r
- dean [at] fourwalledcubicle [dot] com\r
- www.fourwalledcubicle.com\r
-*/\r
-\r
-/*\r
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
- Permission to use, copy, modify, distribute, and sell this \r
- software and its documentation for any purpose is hereby granted\r
- without fee, provided that the above copyright notice appear in \r
- all copies and that both that the copyright notice and this\r
- permission notice and warranty disclaimer appear in supporting \r
- documentation, and that the name of the author not be used in \r
- advertising or publicity pertaining to distribution of the \r
- software without specific, written prior permission.\r
-\r
- The author disclaim all warranties with regard to this\r
- software, including all implied warranties of merchantability\r
- and fitness. In no event shall the author be liable for any\r
- special, indirect or consequential damages or any damages\r
- whatsoever resulting from loss of use, data or profits, whether\r
- in an action of contract, negligence or other tortious action,\r
- arising out of or in connection with the use or performance of\r
- this software.\r
-*/\r
-\r
-#include "../../HighLevel/USBMode.h"\r
-#if defined(USB_CAN_BE_HOST)\r
-\r
-#define INCLUDE_FROM_MIDI_CLASS_HOST_C\r
-#include "MIDI.h"\r
-\r
-uint8_t MIDI_Host_ConfigurePipes(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo, uint16_t ConfigDescriptorSize,\r
- void* ConfigDescriptorData)\r
-{\r
- uint8_t FoundEndpoints = 0;\r
-\r
- memset(&MIDIInterfaceInfo->State, 0x00, sizeof(MIDIInterfaceInfo->State));\r
-\r
- if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)\r
- return MIDI_ENUMERROR_InvalidConfigDescriptor;\r
- \r
- if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
- DComp_MIDI_Host_NextMIDIStreamingInterface) != DESCRIPTOR_SEARCH_COMP_Found)\r
- {\r
- return MIDI_ENUMERROR_NoStreamingInterfaceFound;\r
- }\r
- \r
- while (FoundEndpoints != (MIDI_FOUND_DATAPIPE_IN | MIDI_FOUND_DATAPIPE_OUT))\r
- {\r
- if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
- DComp_MIDI_Host_NextMIDIStreamingDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)\r
- {\r
- return MIDI_ENUMERROR_EndpointsNotFound;\r
- }\r
- \r
- USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);\r
-\r
- if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)\r
- {\r
- Pipe_ConfigurePipe(MIDIInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN,\r
- EndpointData->EndpointAddress, EndpointData->EndpointSize,\r
- MIDIInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);\r
- MIDIInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;\r
- \r
- FoundEndpoints |= MIDI_FOUND_DATAPIPE_IN;\r
- }\r
- else\r
- {\r
- Pipe_ConfigurePipe(MIDIInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT,\r
- EndpointData->EndpointAddress, EndpointData->EndpointSize,\r
- MIDIInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);\r
- MIDIInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;\r
-\r
- FoundEndpoints |= MIDI_FOUND_DATAPIPE_OUT;\r
- }\r
- }\r
- \r
- MIDIInterfaceInfo->State.IsActive = true;\r
- return MIDI_ENUMERROR_NoError;\r
-}\r
-\r
-static uint8_t DComp_MIDI_Host_NextMIDIStreamingInterface(void* const CurrentDescriptor)\r
-{\r
- if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)\r
- {\r
- USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,\r
- USB_Descriptor_Interface_t);\r
-\r
- if ((CurrentInterface->Class == MIDI_STREAMING_CLASS) &&\r
- (CurrentInterface->SubClass == MIDI_STREAMING_SUBCLASS) &&\r
- (CurrentInterface->Protocol == MIDI_STREAMING_PROTOCOL))\r
- {\r
- return DESCRIPTOR_SEARCH_Found;\r
- }\r
- }\r
- \r
- return DESCRIPTOR_SEARCH_NotFound;\r
-}\r
-\r
-static uint8_t DComp_MIDI_Host_NextMIDIStreamingDataEndpoint(void* const CurrentDescriptor)\r
-{\r
- if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)\r
- {\r
- USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,\r
- USB_Descriptor_Endpoint_t);\r
- \r
- uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK);\r
- \r
- if ((EndpointType == EP_TYPE_BULK) && !(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress)))\r
- return DESCRIPTOR_SEARCH_Found;\r
- }\r
- else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)\r
- {\r
- return DESCRIPTOR_SEARCH_Fail;\r
- }\r
-\r
- return DESCRIPTOR_SEARCH_NotFound;\r
-}\r
-\r
-uint8_t MIDI_Host_SendEventPacket(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo, MIDI_EventPacket_t* const Event)\r
-{\r
- if ((USB_HostState != HOST_STATE_Configured) || !(MIDIInterfaceInfo->State.IsActive))\r
- return HOST_SENDCONTROL_DeviceDisconnected;\r
- \r
- Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataOUTPipeNumber);\r
-\r
- if (Pipe_IsReadWriteAllowed())\r
- {\r
- uint8_t ErrorCode;\r
-\r
- if ((ErrorCode = Pipe_Write_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)\r
- return ErrorCode;\r
-\r
- Pipe_ClearOUT();\r
- }\r
- \r
- return PIPE_RWSTREAM_NoError;\r
-}\r
-\r
-bool MIDI_Host_ReceiveEventPacket(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo, MIDI_EventPacket_t* const Event)\r
-{\r
- if ((USB_HostState != HOST_STATE_Configured) || !(MIDIInterfaceInfo->State.IsActive))\r
- return HOST_SENDCONTROL_DeviceDisconnected;\r
- \r
- Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataINPipeNumber);\r
-\r
- if (!(Pipe_IsReadWriteAllowed()))\r
- return false;\r
-\r
- Pipe_Read_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NO_STREAM_CALLBACK);\r
- Pipe_ClearIN();\r
- \r
- return true;\r
-}\r
-\r
-#endif\r
+/*
+ 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_MIDI_DRIVER
+#define __INCLUDE_FROM_MIDI_HOST_C
+#include "MIDI.h"
+
+uint8_t MIDI_Host_ConfigurePipes(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo,
+ uint16_t ConfigDescriptorSize,
+ void* ConfigDescriptorData)
+{
+ USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
+ USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
+ USB_Descriptor_Interface_t* MIDIInterface = NULL;
+
+ memset(&MIDIInterfaceInfo->State, 0x00, sizeof(MIDIInterfaceInfo->State));
+
+ if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
+ return MIDI_ENUMERROR_InvalidConfigDescriptor;
+
+ while (!(DataINEndpoint) || !(DataOUTEndpoint))
+ {
+ if (!(MIDIInterface) ||
+ USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
+ DCOMP_MIDI_Host_NextMIDIStreamingDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
+ {
+ if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
+ DCOMP_MIDI_Host_NextMIDIStreamingInterface) != DESCRIPTOR_SEARCH_COMP_Found)
+ {
+ return MIDI_ENUMERROR_NoCompatibleInterfaceFound;
+ }
+
+ MIDIInterface = 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_DESCRIPTOR_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 == MIDIInterfaceInfo->Config.DataINPipeNumber)
+ {
+ Size = DataINEndpoint->EndpointSize;
+ EndpointAddress = DataINEndpoint->EndpointAddress;
+ Token = PIPE_TOKEN_IN;
+ Type = EP_TYPE_BULK;
+ DoubleBanked = MIDIInterfaceInfo->Config.DataINPipeDoubleBank;
+
+ MIDIInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize;
+ }
+ else if (PipeNum == MIDIInterfaceInfo->Config.DataOUTPipeNumber)
+ {
+ Size = DataOUTEndpoint->EndpointSize;
+ EndpointAddress = DataOUTEndpoint->EndpointAddress;
+ Token = PIPE_TOKEN_OUT;
+ Type = EP_TYPE_BULK;
+ DoubleBanked = MIDIInterfaceInfo->Config.DataOUTPipeDoubleBank;
+
+ MIDIInterfaceInfo->State.DataOUTPipeSize = DataOUTEndpoint->EndpointSize;
+ }
+ else
+ {
+ continue;
+ }
+
+ if (!(Pipe_ConfigurePipe(PipeNum, Type, Token, EndpointAddress, Size,
+ DoubleBanked ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE)))
+ {
+ return MIDI_ENUMERROR_PipeConfigurationFailed;
+ }
+ }
+
+ MIDIInterfaceInfo->State.InterfaceNumber = MIDIInterface->InterfaceNumber;
+ MIDIInterfaceInfo->State.IsActive = true;
+
+ return MIDI_ENUMERROR_NoError;
+}
+
+static uint8_t DCOMP_MIDI_Host_NextMIDIStreamingInterface(void* const 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 == AUDIO_CSCP_AudioClass) &&
+ (Interface->SubClass == AUDIO_CSCP_MIDIStreamingSubclass) &&
+ (Interface->Protocol == AUDIO_CSCP_StreamingProtocol))
+ {
+ return DESCRIPTOR_SEARCH_Found;
+ }
+ }
+
+ return DESCRIPTOR_SEARCH_NotFound;
+}
+
+static uint8_t DCOMP_MIDI_Host_NextMIDIStreamingDataEndpoint(void* const 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) && !(Pipe_IsEndpointBound(Endpoint->EndpointAddress)))
+ return DESCRIPTOR_SEARCH_Found;
+ }
+ else if (Header->Type == DTYPE_Interface)
+ {
+ return DESCRIPTOR_SEARCH_Fail;
+ }
+
+ return DESCRIPTOR_SEARCH_NotFound;
+}
+
+void MIDI_Host_USBTask(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo)
+{
+ if ((USB_HostState != HOST_STATE_Configured) || !(MIDIInterfaceInfo->State.IsActive))
+ return;
+
+ #if !defined(NO_CLASS_DRIVER_AUTOFLUSH)
+ MIDI_Host_Flush(MIDIInterfaceInfo);
+ #endif
+}
+
+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.DataOUTPipeNumber);
+
+ if (Pipe_BytesInPipe())
+ {
+ Pipe_ClearOUT();
+
+ if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)
+ return ErrorCode;
+ }
+
+ return PIPE_READYWAIT_NoError;
+}
+
+uint8_t MIDI_Host_SendEventPacket(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;
+
+ uint8_t ErrorCode;
+
+ Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataOUTPipeNumber);
+
+ if ((ErrorCode = Pipe_Write_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NULL)) != PIPE_RWSTREAM_NoError)
+ return ErrorCode;
+
+ if (!(Pipe_IsReadWriteAllowed()))
+ Pipe_ClearOUT();
+
+ return PIPE_RWSTREAM_NoError;
+}
+
+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;
+
+ Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataINPipeNumber);
+
+ if (!(Pipe_IsReadWriteAllowed()))
+ return false;
+
+ Pipe_Read_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NULL);
+
+ if (!(Pipe_IsReadWriteAllowed()))
+ Pipe_ClearIN();
+
+ return true;
+}
+
+#endif
+
projects / pub / USBasp.git / blobdiff