From 990090a4cc9070837d31e66b58d40f0c3d038741 Mon Sep 17 00:00:00 2001 From: Yuval Adam Date: Sun, 16 Mar 2014 14:41:11 +0200 Subject: Add usblib and utils --- usblib/host/usbhaudio.h | 163 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 163 insertions(+) create mode 100644 usblib/host/usbhaudio.h (limited to 'usblib/host/usbhaudio.h') diff --git a/usblib/host/usbhaudio.h b/usblib/host/usbhaudio.h new file mode 100644 index 0000000..fc768ee --- /dev/null +++ b/usblib/host/usbhaudio.h @@ -0,0 +1,163 @@ +//***************************************************************************** +// +// usbhaudio.h - USB host audio class driver. +// +// Copyright (c) 2010-2014 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 Tiva USB Library. +// +//***************************************************************************** + +#ifndef __USBHAUDIO_H__ +#define __USBHAUDIO_H__ + +//***************************************************************************** +// +// If building with a C++ compiler, make all of the definitions in this header +// have a C binding. +// +//***************************************************************************** +#ifdef __cplusplus +extern "C" +{ +#endif + +//***************************************************************************** +// +//! \addtogroup usblib_host_class +//! @{ +// +//***************************************************************************** + +//***************************************************************************** +// +// USB host audio specific events +// +//***************************************************************************** + +//***************************************************************************** +// +//! This USB host audio event indicates that the device is connected and +//! ready to send or receive buffers. The \e pvBuffer and \e ui32Param +//! values are not used in this event. +// +//***************************************************************************** +#define USBH_AUDIO_EVENT_OPEN (USBH_AUDIO_EVENT_BASE + 0) + +//***************************************************************************** +// +//! This USB host audio event indicates that the previously connected device +//! has been disconnected. The \e pvBuffer and \e ui32Param values are not used +//! in this event. +// +//***************************************************************************** +#define USBH_AUDIO_EVENT_CLOSE (USBH_AUDIO_EVENT_BASE + 1) + +//***************************************************************************** +// +// This definition is used with the USBHostAudioFormatGet() and +// USBHostAudioFormatSet() API's to determine if the audio input is being +// accesses(USBH_AUDIO_FORMAT_IN set) or audio output(USBH_AUDIO_FORMAT clear). +// +//***************************************************************************** +#define USBH_AUDIO_FORMAT_IN 0x00000001 +#define USBH_AUDIO_FORMAT_OUT 0x00000000 + +typedef struct +{ + uint8_t ui8Channels; + uint8_t ui8Bits; + uint32_t ui32SampleRate; +} +tUSBAudioFormat; + +typedef struct tUSBHostAudioInstance tUSBHostAudioInstance; + +//***************************************************************************** +// +// The prototype for the host USB Audio driver callback function. +// +//***************************************************************************** +typedef void (*tUSBHostAudioCallback)(tUSBHostAudioInstance *psAudioInstance, + uint32_t ui32Event, + uint32_t ui32MsgParam, + void *pvMsgData); + +//***************************************************************************** +// +// API Function Prototypes +// +//***************************************************************************** +extern tUSBHostAudioInstance * USBHostAudioOpen(uint32_t ui32Index, + tUSBHostAudioCallback pfnCallback); +extern void USBHostAudioClose(tUSBHostAudioInstance *psAudioInstance); +extern int32_t USBHostAudioPlay(tUSBHostAudioInstance *psAudioInstance, + void *pvBuffer, uint32_t ui32Size, + tUSBHostAudioCallback pfnCallback); + +extern uint32_t USBHostAudioFormatGet(tUSBHostAudioInstance *psAudioInstance, + uint32_t ui32SampleRate, + uint32_t ui32Bits, uint32_t ui32Channels, + uint32_t ui32Flags); +extern uint32_t USBHostAudioFormatSet(tUSBHostAudioInstance *psAudioInstance, + uint32_t ui32SampleRate, + uint32_t ui32Bits, uint32_t ui32Channels, + uint32_t ui32Flags); + +extern int32_t USBHostAudioRecord(tUSBHostAudioInstance *psAudioInstance, + void *pvBuffer, uint32_t ui32Size, + tUSBHostAudioCallback pfnAudioCallback); + +extern uint32_t USBHostAudioVolumeGet(tUSBHostAudioInstance *psAudioInstance, + uint32_t ui32Interface, + uint32_t ui32Channel); + +extern void USBHostAudioVolumeSet(tUSBHostAudioInstance *psAudioInstance, + uint32_t ui32Interface, uint32_t ui32Channel, + uint32_t ui32Value); + +extern uint32_t USBHostAudioVolumeMaxGet(tUSBHostAudioInstance *psAudioInstance, + uint32_t ui32Interface, + uint32_t ui32Channel); + +extern uint32_t USBHostAudioVolumeMinGet(tUSBHostAudioInstance *psAudioInstance, + uint32_t ui32Interface, + uint32_t ui32Channel); + +extern uint32_t USBHostAudioVolumeResGet(tUSBHostAudioInstance *psAudioInstance, + uint32_t ui32Interface, + uint32_t ui32Channel); +extern uint32_t USBHostAudioLPMSleep(tUSBHostAudioInstance *psAudioInstance); +extern uint32_t USBHostAudioLPMStatus(tUSBHostAudioInstance *psAudioInstance); + +//***************************************************************************** +// +//! @} +// +//***************************************************************************** + +//***************************************************************************** +// +// Mark the end of the C bindings section for C++ compilers. +// +//***************************************************************************** +#ifdef __cplusplus +} +#endif + +#endif + -- cgit v1.3.1