X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/f201f6697b7f99b63389509b42112026b8f6f76f..a5abb0eb3f368f0f090ebfd7f9fc22e94466f31e:/Demos/Device/ClassDriver/AudioOutput/AudioOutput.c diff --git a/Demos/Device/ClassDriver/AudioOutput/AudioOutput.c b/Demos/Device/ClassDriver/AudioOutput/AudioOutput.c index 88f82006e..1869ac949 100644 --- a/Demos/Device/ClassDriver/AudioOutput/AudioOutput.c +++ b/Demos/Device/ClassDriver/AudioOutput/AudioOutput.c @@ -1,13 +1,13 @@ /* LUFA Library - Copyright (C) Dean Camera, 2011. + Copyright (C) Dean Camera, 2012. dean [at] fourwalledcubicle [dot] com www.lufa-lib.org */ /* - Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) + Copyright 2012 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 @@ -44,10 +44,14 @@ USB_ClassInfo_Audio_Device_t Speaker_Audio_Interface = { .Config = { + .ControlInterfaceNumber = 0, .StreamingInterfaceNumber = 1, - - .DataOUTEndpointNumber = AUDIO_STREAM_EPNUM, - .DataOUTEndpointSize = AUDIO_STREAM_EPSIZE, + .DataOUTEndpoint = + { + .Address = AUDIO_STREAM_EPADDR, + .Size = AUDIO_STREAM_EPSIZE, + .Banks = 2, + }, }, }; @@ -208,7 +212,7 @@ void EVENT_USB_Device_ControlRequest(void) * * When the DataLength parameter is NULL, this callback should only indicate whether the specified operation is valid for * the given endpoint index, and should return as fast as possible. When non-NULL, this value may be altered for GET operations - * to indicate the size of the retreived data. + * to indicate the size of the retrieved data. * * \note The length of the retrieved data stored into the Data buffer on GET operations should not exceed the initial value * of the \c DataLength parameter. @@ -233,7 +237,7 @@ bool CALLBACK_Audio_Device_GetSetEndpointProperty(USB_ClassInfo_Audio_Device_t* uint8_t* Data) { /* Check the requested endpoint to see if a supported endpoint is being manipulated */ - if (EndpointAddress == (ENDPOINT_DIR_OUT | Speaker_Audio_Interface.Config.DataOUTEndpointNumber)) + if (EndpointAddress == Speaker_Audio_Interface.Config.DataOUTEndpoint.Address) { /* Check the requested control to see if a supported control is being manipulated */ if (EndpointControl == AUDIO_EPCONTROL_SamplingFreq) @@ -271,3 +275,35 @@ bool CALLBACK_Audio_Device_GetSetEndpointProperty(USB_ClassInfo_Audio_Device_t* return false; } +/** Audio class driver callback for the setting and retrieval of streaming interface properties. This callback must be implemented + * in the user application to handle property manipulations on streaming audio interfaces. + * + * When the DataLength parameter is NULL, this callback should only indicate whether the specified operation is valid for + * the given entity and should return as fast as possible. When non-NULL, this value may be altered for GET operations + * to indicate the size of the retrieved data. + * + * \note The length of the retrieved data stored into the Data buffer on GET operations should not exceed the initial value + * of the \c DataLength parameter. + * + * \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state. + * \param[in] Property Property of the interface to get or set, a value from Audio_ClassRequests_t. + * \param[in] EntityAddress Address of the audio entity whose property is being referenced. + * \param[in] Parameter Parameter of the entity to get or set, specific to each type of entity (see USB Audio specification). + * \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. When NULL, the function should return whether the given property + * and parameter is valid for the requested endpoint without reading or modifying the Data buffer. + * \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 Boolean \c true if the property GET/SET was successful, \c false otherwise + */ +bool CALLBACK_Audio_Device_GetSetInterfaceProperty(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo, + const uint8_t Property, + const uint8_t EntityAddress, + const uint16_t Parameter, + uint16_t* const DataLength, + uint8_t* Data) +{ + /* No audio interface entities in the device descriptor, thus no properties to get or set. */ + return false; +}