diff options
author | Dean Camera <dean@fourwalledcubicle.com> | 2010-05-08 03:12:14 +0000 |
---|---|---|
committer | Dean Camera <dean@fourwalledcubicle.com> | 2010-05-08 03:12:14 +0000 |
commit | 071e02c6b6b4837fa9cf0b6d4c749994e02638d7 (patch) | |
tree | 960446788703b69f0bb285450be80c5b3d8cc22c /LUFA/Drivers/USB/Class/Host/MIDI.c | |
parent | e331b531c6e6d93eb0eee42b9002074e8090ad18 (diff) | |
download | lufa-071e02c6b6b4837fa9cf0b6d4c749994e02638d7.tar.gz lufa-071e02c6b6b4837fa9cf0b6d4c749994e02638d7.tar.bz2 lufa-071e02c6b6b4837fa9cf0b6d4c749994e02638d7.zip |
Add svn:eol-style property to source files, so that the line endings are correctly converted to the target system's native end of line style.
Diffstat (limited to 'LUFA/Drivers/USB/Class/Host/MIDI.c')
-rw-r--r-- | LUFA/Drivers/USB/Class/Host/MIDI.c | 372 |
1 files changed, 186 insertions, 186 deletions
diff --git a/LUFA/Drivers/USB/Class/Host/MIDI.c b/LUFA/Drivers/USB/Class/Host/MIDI.c index c2e6257c4..f5505959a 100644 --- a/LUFA/Drivers/USB/Class/Host/MIDI.c +++ b/LUFA/Drivers/USB/Class/Host/MIDI.c @@ -1,186 +1,186 @@ -/*
- 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
- 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 "../../HighLevel/USBMode.h"
-#if defined(USB_CAN_BE_HOST)
-
-#define __INCLUDE_FROM_MIDI_CLASS_HOST_C
-#define __INCLUDE_FROM_MIDI_DRIVER
-#include "MIDI.h"
-
-uint8_t MIDI_Host_ConfigurePipes(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo, uint16_t ConfigDescriptorSize,
- void* ConfigDescriptorData)
-{
- uint8_t FoundEndpoints = 0;
-
- 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))
- {
- if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
- DComp_MIDI_Host_NextMIDIStreamingDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
- {
- return MIDI_ENUMERROR_EndpointsNotFound;
- }
-
- USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
-
- if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
- {
- 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;
- }
- 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;
-
- FoundEndpoints |= MIDI_FOUND_DATAPIPE_OUT;
- }
- }
-
- MIDIInterfaceInfo->State.IsActive = true;
- return MIDI_ENUMERROR_NoError;
-}
-
-static uint8_t DComp_MIDI_Host_NextMIDIStreamingInterface(void* const CurrentDescriptor)
-{
- if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
- {
- USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
- USB_Descriptor_Interface_t);
-
- if ((CurrentInterface->Class == MIDI_STREAMING_CLASS) &&
- (CurrentInterface->SubClass == MIDI_STREAMING_SUBCLASS) &&
- (CurrentInterface->Protocol == MIDI_STREAMING_PROTOCOL))
- {
- return DESCRIPTOR_SEARCH_Found;
- }
- }
-
- return DESCRIPTOR_SEARCH_NotFound;
-}
-
-static uint8_t DComp_MIDI_Host_NextMIDIStreamingDataEndpoint(void* const CurrentDescriptor)
-{
- if (DESCRIPTOR_TYPE(CurrentDescriptor) == 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)))
- return DESCRIPTOR_SEARCH_Found;
- }
- else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
- {
- return DESCRIPTOR_SEARCH_Fail;
- }
-
- return DESCRIPTOR_SEARCH_NotFound;
-}
-
-uint8_t MIDI_Host_Flush(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo)
-{
- if (USB_HostState != HOST_STATE_Configured)
- 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;
-
- Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataOUTPipeNumber);
-
- if (Pipe_IsReadWriteAllowed())
- {
- uint8_t 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();
- }
-
- 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), NO_STREAM_CALLBACK);
-
- if (!(Pipe_IsReadWriteAllowed()))
- Pipe_ClearIN();
-
- return true;
-}
-
-#endif
+/* + 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 + 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 "../../HighLevel/USBMode.h" +#if defined(USB_CAN_BE_HOST) + +#define __INCLUDE_FROM_MIDI_CLASS_HOST_C +#define __INCLUDE_FROM_MIDI_DRIVER +#include "MIDI.h" + +uint8_t MIDI_Host_ConfigurePipes(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo, uint16_t ConfigDescriptorSize, + void* ConfigDescriptorData) +{ + uint8_t FoundEndpoints = 0; + + 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)) + { + if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, + DComp_MIDI_Host_NextMIDIStreamingDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) + { + return MIDI_ENUMERROR_EndpointsNotFound; + } + + USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t); + + if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN) + { + 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; + } + 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; + + FoundEndpoints |= MIDI_FOUND_DATAPIPE_OUT; + } + } + + MIDIInterfaceInfo->State.IsActive = true; + return MIDI_ENUMERROR_NoError; +} + +static uint8_t DComp_MIDI_Host_NextMIDIStreamingInterface(void* const CurrentDescriptor) +{ + if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) + { + USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor, + USB_Descriptor_Interface_t); + + if ((CurrentInterface->Class == MIDI_STREAMING_CLASS) && + (CurrentInterface->SubClass == MIDI_STREAMING_SUBCLASS) && + (CurrentInterface->Protocol == MIDI_STREAMING_PROTOCOL)) + { + return DESCRIPTOR_SEARCH_Found; + } + } + + return DESCRIPTOR_SEARCH_NotFound; +} + +static uint8_t DComp_MIDI_Host_NextMIDIStreamingDataEndpoint(void* const CurrentDescriptor) +{ + if (DESCRIPTOR_TYPE(CurrentDescriptor) == 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))) + return DESCRIPTOR_SEARCH_Found; + } + else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) + { + return DESCRIPTOR_SEARCH_Fail; + } + + return DESCRIPTOR_SEARCH_NotFound; +} + +uint8_t MIDI_Host_Flush(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo) +{ + if (USB_HostState != HOST_STATE_Configured) + 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; + + Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataOUTPipeNumber); + + if (Pipe_IsReadWriteAllowed()) + { + uint8_t 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(); + } + + 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), NO_STREAM_CALLBACK); + + if (!(Pipe_IsReadWriteAllowed())) + Pipe_ClearIN(); + + return true; +} + +#endif |