/*
LUFA Library
Copyright (C) Dean Camera, 2010.
-
+
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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_MIDI_DRIVER
#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,
+ 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++)
+ {
+ 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;
+ Pipe_ConfigurePipe(PipeNum, EP_TYPE_BULK, PIPE_TOKEN_IN,
+ DataINEndpoint->EndpointAddress, DataINEndpoint->EndpointSize,
+ MIDIInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
+
+ MIDIInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize;
}
- else
+ else if (PipeNum == MIDIInterfaceInfo->Config.DataOUTPipeNumber)
{
- 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;
+ Pipe_ConfigurePipe(PipeNum, EP_TYPE_BULK, PIPE_TOKEN_OUT,
+ DataOUTEndpoint->EndpointAddress, DataOUTEndpoint->EndpointSize,
+ MIDIInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
- FoundEndpoints |= MIDI_FOUND_DATAPIPE_OUT;
+ MIDIInterfaceInfo->State.DataOUTPipeSize = DataOUTEndpoint->EndpointSize;
}
}
-
+
+ MIDIInterfaceInfo->State.InterfaceNumber = MIDIInterface->InterfaceNumber;
MIDIInterfaceInfo->State.IsActive = true;
+
return MIDI_ENUMERROR_NoError;
}
return DESCRIPTOR_SEARCH_Found;
}
}
-
+
return DESCRIPTOR_SEARCH_NotFound;
}
{
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)))
return DESCRIPTOR_SEARCH_Found;
}
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;
-
+
Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataOUTPipeNumber);
if (Pipe_IsReadWriteAllowed())
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()))
if (!(Pipe_IsReadWriteAllowed()))
Pipe_ClearIN();
-
+
return true;
}
#endif
+
projects / pub / USBasp.git / blobdiff