/*\r
LUFA Library\r
- Copyright (C) Dean Camera, 2009.\r
+ Copyright (C) Dean Camera, 2010.\r
\r
dean [at] fourwalledcubicle [dot] com\r
www.fourwalledcubicle.com\r
*/\r
\r
/*\r
- Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
- Permission to use, copy, modify, and distribute this software\r
- and its documentation for any purpose and without fee is hereby\r
- granted, provided that the above copyright notice appear in all\r
- 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
+ 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
#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_Flush(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo)\r
+{\r
+ if (USB_HostState != HOST_STATE_Configured)\r
+ return PIPE_RWSTREAM_DeviceDisconnected;\r
+ \r
+ uint8_t ErrorCode;\r
+\r
+ Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataOUTPipeNumber);\r
+\r
+ if (Pipe_BytesInPipe())\r
+ {\r
+ Pipe_ClearOUT();\r
+\r
+ if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)\r
+ return ErrorCode;\r
+ }\r
+\r
+ return PIPE_READYWAIT_NoError;\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
+ if (!(Pipe_IsReadWriteAllowed()))\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
+\r
+ if (!(Pipe_IsReadWriteAllowed()))\r
+ Pipe_ClearIN();\r
+ \r
+ return true;\r
+}\r
+\r
#endif\r
projects / pub / USBasp.git / blobdiff