1 files changed, 81 insertions, 0 deletions
diff --git a/boards/dk-tm4c129x/drivers/usb_sound.h b/boards/dk-tm4c129x/drivers/usb_sound.h
new file mode 100644
index 0000000..0105f91
--- /dev/null
+++ b/boards/dk-tm4c129x/drivers/usb_sound.h
@@ -0,0 +1,81 @@
+//*****************************************************************************
+//
+// usb_sound.h - USB host audio handling header definitions.
+//
+// Copyright (c) 2013-2014 Texas Instruments Incorporated.  All rights reserved.
+// Software License Agreement
+// 
+// Texas Instruments (TI) is supplying this software for use solely and
+// exclusively on TI's microcontroller products. The software is owned by
+// TI and/or its suppliers, and is protected under applicable copyright
+// laws. You may not combine this software with "viral" open-source
+// software in order to form a larger program.
+// 
+// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
+// NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT
+// NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY
+// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
+// DAMAGES, FOR ANY REASON WHATSOEVER.
+// 
+// This is part of revision 2.1.0.12573 of the DK-TM4C129X Firmware Package.
+//
+//*****************************************************************************
+
+#ifndef __USB_SOUND_H__
+#define __USB_SOUND_H__
+
+//*****************************************************************************
+//
+// The following are defines for the ui32Event value that is returned with the
+// tEventCallback function provided to the USBSoundInit() function.
+//
+//*****************************************************************************
+
+//
+// A USB audio device has been connected.
+//
+#define SOUND_EVENT_READY       0x00000001
+
+//
+// A USB device has been disconnected.
+//
+#define SOUND_EVENT_DISCONNECT  0x00000002
+
+//
+// An unknown device has been connected.
+//
+#define SOUND_EVENT_UNKNOWN_DEV 0x00000003
+
+//*****************************************************************************
+//
+// Function prototypes.
+//
+//*****************************************************************************
+typedef void (* tUSBBufferCallback)(void *pvBuffer, uint32_t ui32Event,
+                                    uint32_t ui32Value);
+typedef void (* tEventCallback)(uint32_t ui32Event, uint32_t ui32Param);
+extern void USBSoundMain(void);
+extern void USBSoundInit(uint32_t ui32EnableReceive,
+                      tEventCallback pfnCallback);
+extern void USBSoundVolumeSet(uint32_t ui32Percent);
+extern uint32_t USBSoundVolumeGet(uint32_t ui32Channel);
+extern uint32_t USBSoundOutputFormatGet(uint32_t ui32SampleRate,
+                                        uint32_t ui32Bits,
+                                        uint32_t ui32Channels);
+extern uint32_t USBSoundOutputFormatSet(uint32_t ui32SampleRate,
+                                        uint32_t ui32Bits,
+                                        uint32_t ui32Channels);
+extern uint32_t USBSoundInputFormatGet(uint32_t ui32SampleRate,
+                                       uint32_t ui32BitsPerSample,
+                                       uint32_t ui32Channels);
+extern uint32_t USBSoundInputFormatSet(uint32_t ui32SampleRate,
+                                       uint32_t ui32Bits,
+                                       uint32_t ui32Channels);
+extern uint32_t USBSoundBufferOut(const void *pvData, uint32_t ui32Length,
+                                  tUSBBufferCallback pfnCallback);
+
+extern uint32_t USBSoundBufferIn(const void *pvData, uint32_t ui32Length,
+                                 tUSBBufferCallback pfnCallback);
+
+#endif