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author | Jack Humbert <jack.humb@gmail.com> | 2017-07-07 17:55:23 +0200 |
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committer | Jack Humbert <jack.humb@gmail.com> | 2017-07-07 17:55:23 +0200 |
commit | 60b30c036397cb5627fa374bb930794b225daa29 (patch) | |
tree | e156c2d6b27f01db6985f2cc560c9c345d48fdac /LUFA/Drivers/USB/Class/Device/MIDIClassDevice.c | |
download | qmk_firmware-60b30c036397cb5627fa374bb930794b225daa29.tar.gz qmk_firmware-60b30c036397cb5627fa374bb930794b225daa29.tar.xz |
Squashed 'lib/lufa/' content from commit 385d40300
git-subtree-dir: lib/lufa
git-subtree-split: 385d4030035dbaf41591309dbde47653bd03841b
Diffstat (limited to 'LUFA/Drivers/USB/Class/Device/MIDIClassDevice.c')
-rw-r--r-- | LUFA/Drivers/USB/Class/Device/MIDIClassDevice.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/LUFA/Drivers/USB/Class/Device/MIDIClassDevice.c b/LUFA/Drivers/USB/Class/Device/MIDIClassDevice.c new file mode 100644 index 000000000..a35c4082b --- /dev/null +++ b/LUFA/Drivers/USB/Class/Device/MIDIClassDevice.c @@ -0,0 +1,131 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 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 disclaims 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_DEVICE) + +#define __INCLUDE_FROM_MIDI_DRIVER +#define __INCLUDE_FROM_MIDI_DEVICE_C +#include "MIDIClassDevice.h" + +bool MIDI_Device_ConfigureEndpoints(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo) +{ + memset(&MIDIInterfaceInfo->State, 0x00, sizeof(MIDIInterfaceInfo->State)); + + MIDIInterfaceInfo->Config.DataINEndpoint.Type = EP_TYPE_BULK; + MIDIInterfaceInfo->Config.DataOUTEndpoint.Type = EP_TYPE_BULK; + + if (!(Endpoint_ConfigureEndpointTable(&MIDIInterfaceInfo->Config.DataINEndpoint, 1))) + return false; + + if (!(Endpoint_ConfigureEndpointTable(&MIDIInterfaceInfo->Config.DataOUTEndpoint, 1))) + return false; + + return true; +} + +void MIDI_Device_USBTask(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo) +{ + if (USB_DeviceState != DEVICE_STATE_Configured) + return; + + #if !defined(NO_CLASS_DRIVER_AUTOFLUSH) + Endpoint_SelectEndpoint(MIDIInterfaceInfo->Config.DataINEndpoint.Address); + + if (Endpoint_IsINReady()) + MIDI_Device_Flush(MIDIInterfaceInfo); + #endif +} + +uint8_t MIDI_Device_SendEventPacket(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo, + const MIDI_EventPacket_t* const Event) +{ + if (USB_DeviceState != DEVICE_STATE_Configured) + return ENDPOINT_RWSTREAM_DeviceDisconnected; + + uint8_t ErrorCode; + + Endpoint_SelectEndpoint(MIDIInterfaceInfo->Config.DataINEndpoint.Address); + + if ((ErrorCode = Endpoint_Write_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NULL)) != ENDPOINT_RWSTREAM_NoError) + return ErrorCode; + + if (!(Endpoint_IsReadWriteAllowed())) + Endpoint_ClearIN(); + + return ENDPOINT_RWSTREAM_NoError; +} + +uint8_t MIDI_Device_Flush(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo) +{ + if (USB_DeviceState != DEVICE_STATE_Configured) + return ENDPOINT_RWSTREAM_DeviceDisconnected; + + uint8_t ErrorCode; + + Endpoint_SelectEndpoint(MIDIInterfaceInfo->Config.DataINEndpoint.Address); + + if (Endpoint_BytesInEndpoint()) + { + Endpoint_ClearIN(); + + if ((ErrorCode = Endpoint_WaitUntilReady()) != ENDPOINT_READYWAIT_NoError) + return ErrorCode; + } + + return ENDPOINT_READYWAIT_NoError; +} + +bool MIDI_Device_ReceiveEventPacket(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo, + MIDI_EventPacket_t* const Event) +{ + if (USB_DeviceState != DEVICE_STATE_Configured) + return false; + + Endpoint_SelectEndpoint(MIDIInterfaceInfo->Config.DataOUTEndpoint.Address); + + if (!(Endpoint_IsOUTReceived())) + return false; + + if (!(Endpoint_IsReadWriteAllowed())) + return false; + + Endpoint_Read_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NULL); + + if (!(Endpoint_IsReadWriteAllowed())) + Endpoint_ClearOUT(); + + return true; +} + +#endif + |