Added Class, ClassDevice, ClassHost and ClassCommon to the internal class driver...

[pub/lufa.git] / LUFA / Drivers / USB / Class / Device / MIDIClassDevice.c

diff --git a/LUFA/Drivers/USB/Class/Device/MIDIClassDevice.c b/LUFA/Drivers/USB/Class/Device/MIDIClassDevice.c
new file mode 100644 (file)
index 0000000..1345459
--- /dev/null
+++ b/LUFA/Drivers/USB/Class/Device/MIDIClassDevice.c
@@ -0,0 +1,149 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2011.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2011  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 "../../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));
+
+       for (uint8_t EndpointNum = 1; EndpointNum < ENDPOINT_TOTAL_ENDPOINTS; EndpointNum++)
+       {
+               uint16_t Size;
+               uint8_t  Type;
+               uint8_t  Direction;
+               bool     DoubleBanked;
+
+               if (EndpointNum == MIDIInterfaceInfo->Config.DataINEndpointNumber)
+               {
+                       Size         = MIDIInterfaceInfo->Config.DataINEndpointSize;
+                       Direction    = ENDPOINT_DIR_IN;
+                       Type         = EP_TYPE_BULK;
+                       DoubleBanked = MIDIInterfaceInfo->Config.DataINEndpointDoubleBank;
+               }
+               else if (EndpointNum == MIDIInterfaceInfo->Config.DataOUTEndpointNumber)
+               {
+                       Size         = MIDIInterfaceInfo->Config.DataOUTEndpointSize;
+                       Direction    = ENDPOINT_DIR_OUT;
+                       Type         = EP_TYPE_BULK;
+                       DoubleBanked = MIDIInterfaceInfo->Config.DataOUTEndpointDoubleBank;
+               }
+               else
+               {
+                       continue;
+               }
+
+               if (!(Endpoint_ConfigureEndpoint(EndpointNum, Type, Direction, Size,
+                                                DoubleBanked ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))
+               {
+                       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)
+       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.DataINEndpointNumber);
+
+       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.DataINEndpointNumber);
+
+       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.DataOUTEndpointNumber);
+
+       if (!(Endpoint_IsReadWriteAllowed()))
+         return false;
+
+       Endpoint_Read_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NULL);
+
+       if (!(Endpoint_IsReadWriteAllowed()))
+         Endpoint_ClearOUT();
+
+       return true;
+}
+
+#endif
+