/*
LUFA Library
- Copyright (C) Dean Camera, 2010.
-
+ Copyright (C) Dean Camera, 2011.
+
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
- Permission to use, copy, modify, distribute, and sell this
+ 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
+ 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
+ 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
*/
#define __INCLUDE_FROM_USB_DRIVER
-#include "../../HighLevel/USBMode.h"
+#include "../../Core/USBMode.h"
+
#if defined(USB_CAN_BE_HOST)
-#define __INCLUDE_FROM_MIDI_CLASS_HOST_C
#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,
+uint8_t MIDI_Host_ConfigurePipes(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo,
+ uint16_t ConfigDescriptorSize,
void* ConfigDescriptorData)
{
- uint8_t FoundEndpoints = 0;
+ 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;
-
- if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
- DComp_MIDI_Host_NextMIDIStreamingInterface) != DESCRIPTOR_SEARCH_COMP_Found)
- {
- return MIDI_ENUMERROR_NoStreamingInterfaceFound;
- }
-
- while (FoundEndpoints != (MIDI_FOUND_DATAPIPE_IN | MIDI_FOUND_DATAPIPE_OUT))
+
+ while (!(DataINEndpoint) || !(DataOUTEndpoint))
{
- if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
- DComp_MIDI_Host_NextMIDIStreamingDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
+ if (!(MIDIInterface) ||
+ USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
+ DCOMP_MIDI_Host_NextMIDIStreamingDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
- return MIDI_ENUMERROR_EndpointsNotFound;
+ 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)
{
- Pipe_ConfigurePipe(MIDIInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN,
- EndpointData->EndpointAddress, EndpointData->EndpointSize,
- MIDIInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
- MIDIInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;
-
- FoundEndpoints |= MIDI_FOUND_DATAPIPE_IN;
+ 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
{
- Pipe_ConfigurePipe(MIDIInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT,
- EndpointData->EndpointAddress, EndpointData->EndpointSize,
- MIDIInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
- MIDIInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;
+ continue;
+ }
- FoundEndpoints |= MIDI_FOUND_DATAPIPE_OUT;
+ 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)
+static uint8_t DCOMP_MIDI_Host_NextMIDIStreamingInterface(void* const CurrentDescriptor)
{
- if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+ USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+ if (Header->Type == DTYPE_Interface)
{
- USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
- USB_Descriptor_Interface_t);
+ USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
- if ((CurrentInterface->Class == MIDI_STREAMING_CLASS) &&
- (CurrentInterface->SubClass == MIDI_STREAMING_SUBCLASS) &&
- (CurrentInterface->Protocol == MIDI_STREAMING_PROTOCOL))
+ 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)
+static uint8_t DCOMP_MIDI_Host_NextMIDIStreamingDataEndpoint(void* const CurrentDescriptor)
{
- if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+ USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+ if (Header->Type == DTYPE_Endpoint)
{
- USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,
- USB_Descriptor_Endpoint_t);
-
- uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK);
-
- if ((EndpointType == EP_TYPE_BULK) && !(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress)))
+ 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 (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+ 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)
+ if ((USB_HostState != HOST_STATE_Configured) || !(MIDIInterfaceInfo->State.IsActive))
return PIPE_RWSTREAM_DeviceDisconnected;
-
+
uint8_t ErrorCode;
Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataOUTPipeNumber);
return PIPE_READYWAIT_NoError;
}
-uint8_t MIDI_Host_SendEventPacket(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo, MIDI_EventPacket_t* const Event)
+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 (Pipe_IsReadWriteAllowed())
- {
- uint8_t ErrorCode;
+ if ((ErrorCode = Pipe_Write_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NULL)) != PIPE_RWSTREAM_NoError)
+ return ErrorCode;
- if ((ErrorCode = Pipe_Write_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
- return ErrorCode;
+ if (!(Pipe_IsReadWriteAllowed()))
+ Pipe_ClearOUT();
- 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)
+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), NO_STREAM_CALLBACK);
+ Pipe_Read_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NULL);
if (!(Pipe_IsReadWriteAllowed()))
Pipe_ClearIN();
-
+
return true;
}
#endif
+