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Diffstat (limited to 'lib/lufa/LUFA/Drivers/USB/Class/Host/AudioClassHost.h')
| -rw-r--r-- | lib/lufa/LUFA/Drivers/USB/Class/Host/AudioClassHost.h | 411 |
1 files changed, 0 insertions, 411 deletions
diff --git a/lib/lufa/LUFA/Drivers/USB/Class/Host/AudioClassHost.h b/lib/lufa/LUFA/Drivers/USB/Class/Host/AudioClassHost.h deleted file mode 100644 index f1f4207f1..000000000 --- a/lib/lufa/LUFA/Drivers/USB/Class/Host/AudioClassHost.h +++ /dev/null @@ -1,411 +0,0 @@ -/* - 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. -*/ - -/** \file - * \brief Host mode driver for the library USB Audio 1.0 Class driver. - * - * Host mode driver for the library USB Audio 1.0 Class driver. - * - * \note This file should not be included directly. It is automatically included as needed by the USB module driver - * dispatch header located in LUFA/Drivers/USB.h. - */ - -/** \ingroup Group_USBClassAudio - * \defgroup Group_USBClassAudioHost Audio 1.0 Class Host Mode Driver - * - * \section Sec_USBClassAudioHost_Dependencies Module Source Dependencies - * The following files must be built with any user project that uses this module: - * - LUFA/Drivers/USB/Class/Host/AudioClassHost.c <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i> - * - * \section Sec_USBClassAudioHost_ModDescription Module Description - * Host Mode USB Class driver framework interface, for the Audio 1.0 USB Class driver. - * - * @{ - */ - -#ifndef __AUDIO_CLASS_HOST_H__ -#define __AUDIO_CLASS_HOST_H__ - - /* Includes: */ - #include "../../USB.h" - #include "../Common/AudioClassCommon.h" - - /* Enable C linkage for C++ Compilers: */ - #if defined(__cplusplus) - extern "C" { - #endif - - /* Preprocessor Checks: */ - #if !defined(__INCLUDE_FROM_AUDIO_DRIVER) - #error Do not include this file directly. Include LUFA/Drivers/USB.h instead. - #endif - - /* Public Interface - May be used in end-application: */ - /* Type Defines: */ - /** \brief Audio Class Host Mode Configuration and State Structure. - * - * Class state structure. An instance of this structure should be made within the user application, - * and passed to each of the Audio class driver functions as the \c AudioInterfaceInfo parameter. This - * stores each Audio interface's configuration and state information. - */ - typedef struct - { - struct - { - USB_Pipe_Table_t DataINPipe; /**< Data IN Pipe configuration table. */ - USB_Pipe_Table_t DataOUTPipe; /**< Data OUT Pipe configuration table. */ - } Config; /**< Config data for the USB class interface within the device. All elements in this section - * <b>must</b> be set or the interface will fail to enumerate and operate correctly. - */ - struct - { - bool IsActive; /**< Indicates if the current interface instance is connected to an attached device, valid - * after \ref Audio_Host_ConfigurePipes() is called and the Host state machine is in the - * Configured state. - */ - uint8_t ControlInterfaceNumber; /**< Interface index of the Audio Control interface within the attached device. */ - uint8_t StreamingInterfaceNumber; /**< Interface index of the Audio Streaming interface within the attached device. */ - - uint8_t EnabledStreamingAltIndex; /**< Alternative setting index of the Audio Streaming interface when the stream is enabled. */ - } State; /**< State data for the USB class interface within the device. All elements in this section - * <b>may</b> be set to initial values, but may also be ignored to default to sane values when - * the interface is enumerated. - */ - } USB_ClassInfo_Audio_Host_t; - - /* Enums: */ - /** Enum for the possible error codes returned by the \ref Audio_Host_ConfigurePipes() function. */ - enum AUDIO_Host_EnumerationFailure_ErrorCodes_t - { - AUDIO_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully. */ - AUDIO_ENUMERROR_InvalidConfigDescriptor = 1, /**< The device returned an invalid Configuration Descriptor. */ - AUDIO_ENUMERROR_NoCompatibleInterfaceFound = 2, /**< A compatible AUDIO interface was not found in the device's Configuration Descriptor. */ - AUDIO_ENUMERROR_PipeConfigurationFailed = 3, /**< One or more pipes for the specified interface could not be configured correctly. */ - }; - - /* Function Prototypes: */ - /** Host interface configuration routine, to configure a given Audio host interface instance using the Configuration - * Descriptor read from an attached USB device. This function automatically updates the given Audio Host instance's - * state values and configures the pipes required to communicate with the interface if it is found within the - * device. This should be called once after the stack has enumerated the attached device, while the host state - * machine is in the Addressed state. - * - * \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class host configuration and state. - * \param[in] ConfigDescriptorSize Length of the attached device's Configuration Descriptor. - * \param[in] ConfigDescriptorData Pointer to a buffer containing the attached device's Configuration Descriptor. - * - * \return A value from the \ref AUDIO_Host_EnumerationFailure_ErrorCodes_t enum. - */ - uint8_t Audio_Host_ConfigurePipes(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo, - uint16_t ConfigDescriptorSize, - void* ConfigDescriptorData) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3); - - /** Starts or stops the audio streaming for the given configured Audio Host interface, allowing for audio samples to be - * send and/or received. - * - * \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class host configuration and state. - * \param[in] EnableStreaming Boolean true to enable streaming of the specified interface, \c false to disable - * - * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum. - */ - uint8_t Audio_Host_StartStopStreaming(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo, - const bool EnableStreaming) ATTR_NON_NULL_PTR_ARG(1); - - /** Gets or sets the specified property of a streaming audio class endpoint that is bound to a pipe in the given - * class instance. - * - * \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class host configuration and state. - * \param[in] DataPipeIndex Index of the data pipe whose bound endpoint is to be altered. - * \param[in] EndpointProperty Property of the endpoint to get or set, a value from \ref Audio_ClassRequests_t. - * \param[in] EndpointControl Parameter of the endpoint to get or set, a value from \ref Audio_EndpointControls_t. - * \param[in,out] DataLength For SET operations, the length of the parameter data to set. For GET operations, the maximum - * length of the retrieved data. - * \param[in,out] Data Pointer to a location where the parameter data is stored for SET operations, or where - * the retrieved data is to be stored for GET operations. - * - * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum. - */ - uint8_t Audio_Host_GetSetEndpointProperty(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo, - const uint8_t DataPipeIndex, - const uint8_t EndpointProperty, - const uint8_t EndpointControl, - const uint16_t DataLength, - void* const Data) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(6); - - /* Inline Functions: */ - /** General management task for a given Audio host class interface, required for the correct operation of - * the interface. This should be called frequently in the main program loop, before the master USB management task - * \ref USB_USBTask(). - * - * \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class host configuration and state. - */ - static inline void Audio_Host_USBTask(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo) - ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE; - static inline void Audio_Host_USBTask(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo) - { - (void)AudioInterfaceInfo; - } - - /** Determines if the given audio interface is ready for a sample to be read from it, and selects the streaming - * IN pipe ready for reading. - * - * \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or - * the call will fail. - * - * \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state. - * - * \return Boolean \c true if the given Audio interface has a sample to be read, \c false otherwise. - */ - static inline bool Audio_Host_IsSampleReceived(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo) - ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE; - static inline bool Audio_Host_IsSampleReceived(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo) - { - if ((USB_HostState != HOST_STATE_Configured) || !(AudioInterfaceInfo->State.IsActive)) - return false; - - bool SampleReceived = false; - - Pipe_SelectPipe(AudioInterfaceInfo->Config.DataINPipe.Address); - Pipe_Unfreeze(); - SampleReceived = Pipe_IsINReceived(); - Pipe_Freeze(); - - return SampleReceived; - } - - /** Determines if the given audio interface is ready to accept the next sample to be written to it, and selects - * the streaming OUT pipe ready for writing. - * - * \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or - * the call will fail. - * - * \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state. - * - * \return Boolean \c true if the given Audio interface is ready to accept the next sample, \c false otherwise. - */ - static inline bool Audio_Host_IsReadyForNextSample(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo) - ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE; - static inline bool Audio_Host_IsReadyForNextSample(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo) - { - if ((USB_HostState != HOST_STATE_Configured) || !(AudioInterfaceInfo->State.IsActive)) - return false; - - Pipe_SelectPipe(AudioInterfaceInfo->Config.DataOUTPipe.Address); - return Pipe_IsOUTReady(); - } - - /** Reads the next 8-bit audio sample from the current audio interface. - * - * \pre This should be preceded immediately by a call to the \ref Audio_Host_IsSampleReceived() function to ensure - * that the correct pipe is selected and ready for data. - * - * \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state. - * - * \return Signed 8-bit audio sample from the audio interface. - */ - static inline int8_t Audio_Host_ReadSample8(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo) - ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE; - static inline int8_t Audio_Host_ReadSample8(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo) - { - int8_t Sample; - - (void)AudioInterfaceInfo; - - Sample = Pipe_Read_8(); - - if (!(Pipe_BytesInPipe())) - { - Pipe_Unfreeze(); - Pipe_ClearIN(); - Pipe_Freeze(); - } - - return Sample; - } - - /** Reads the next 16-bit audio sample from the current audio interface. - * - * \pre This should be preceded immediately by a call to the \ref Audio_Host_IsSampleReceived() function to ensure - * that the correct pipe is selected and ready for data. - * - * \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state. - * - * \return Signed 16-bit audio sample from the audio interface. - */ - static inline int16_t Audio_Host_ReadSample16(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo) - ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE; - static inline int16_t Audio_Host_ReadSample16(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo) - { - int16_t Sample; - - (void)AudioInterfaceInfo; - - Sample = (int16_t)Pipe_Read_16_LE(); - - if (!(Pipe_BytesInPipe())) - { - Pipe_Unfreeze(); - Pipe_ClearIN(); - Pipe_Freeze(); - } - - return Sample; - } - - /** Reads the next 24-bit audio sample from the current audio interface. - * - * \pre This should be preceded immediately by a call to the \ref Audio_Host_IsSampleReceived() function to ensure - * that the correct pipe is selected and ready for data. - * - * \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state. - * - * \return Signed 24-bit audio sample from the audio interface. - */ - static inline int32_t Audio_Host_ReadSample24(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo) - ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE; - static inline int32_t Audio_Host_ReadSample24(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo) - { - int32_t Sample; - - (void)AudioInterfaceInfo; - - Sample = (((uint32_t)Pipe_Read_8() << 16) | Pipe_Read_16_LE()); - - if (!(Pipe_BytesInPipe())) - { - Pipe_Unfreeze(); - Pipe_ClearIN(); - Pipe_Freeze(); - } - - return Sample; - } - - /** Writes the next 8-bit audio sample to the current audio interface. - * - * \pre This should be preceded immediately by a call to the \ref Audio_Host_IsReadyForNextSample() function to - * ensure that the correct pipe is selected and ready for data. - * - * \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state. - * \param[in] Sample Signed 8-bit audio sample. - */ - static inline void Audio_Host_WriteSample8(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo, - const int8_t Sample) ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE; - static inline void Audio_Host_WriteSample8(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo, - const int8_t Sample) - { - (void)AudioInterfaceInfo; - - Pipe_Write_8(Sample); - - if (!(Pipe_IsReadWriteAllowed())) - { - Pipe_Unfreeze(); - Pipe_ClearOUT(); - Pipe_WaitUntilReady(); - Pipe_Freeze(); - } - } - - /** Writes the next 16-bit audio sample to the current audio interface. - * - * \pre This should be preceded immediately by a call to the \ref Audio_Host_IsReadyForNextSample() function to - * ensure that the correct pipe is selected and ready for data. - * - * \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state. - * \param[in] Sample Signed 16-bit audio sample. - */ - static inline void Audio_Host_WriteSample16(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo, - const int16_t Sample) ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE; - static inline void Audio_Host_WriteSample16(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo, - const int16_t Sample) - { - (void)AudioInterfaceInfo; - - Pipe_Write_16_LE(Sample); - - if (!(Pipe_IsReadWriteAllowed())) - { - Pipe_Unfreeze(); - Pipe_ClearOUT(); - Pipe_WaitUntilReady(); - Pipe_Freeze(); - } - } - - /** Writes the next 24-bit audio sample to the current audio interface. - * - * \pre This should be preceded immediately by a call to the \ref Audio_Host_IsReadyForNextSample() function to - * ensure that the correct pipe is selected and ready for data. - * - * \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state. - * \param[in] Sample Signed 24-bit audio sample. - */ - static inline void Audio_Host_WriteSample24(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo, - const int32_t Sample) ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE; - static inline void Audio_Host_WriteSample24(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo, - const int32_t Sample) - { - (void)AudioInterfaceInfo; - - Pipe_Write_16_LE(Sample); - Pipe_Write_8(Sample >> 16); - - if (!(Pipe_IsReadWriteAllowed())) - { - Pipe_Unfreeze(); - Pipe_ClearOUT(); - Pipe_WaitUntilReady(); - Pipe_Freeze(); - } - } - - /* Private Interface - For use in library only: */ - #if !defined(__DOXYGEN__) - /* Function Prototypes: */ - #if defined(__INCLUDE_FROM_AUDIO_HOST_C) - static uint8_t DCOMP_Audio_Host_NextAudioControlInterface(void* CurrentDescriptor) - ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1); - static uint8_t DCOMP_Audio_Host_NextAudioStreamInterface(void* CurrentDescriptor) - ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1); - static uint8_t DCOMP_Audio_Host_NextAudioInterfaceDataEndpoint(void* CurrentDescriptor) - ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1); - #endif - #endif - - /* Disable C linkage for C++ Compilers: */ - #if defined(__cplusplus) - } - #endif - -#endif - -/** @} */ - |