diff options
| author | tmk <nobody@nowhere> | 2013-02-11 22:57:40 +0900 |
|---|---|---|
| committer | tmk <nobody@nowhere> | 2013-02-11 22:57:40 +0900 |
| commit | 821563417565776d2dc3a02b0265e6fcd5218739 (patch) | |
| tree | fd6b6ef81bcd550c7c3a9246fa9e5ccaf58a1432 /protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Class/Device | |
| parent | e9e4c0edc52dbf4afe11251b8b50df130ef57423 (diff) | |
Now includes LUFA-120730 in repository
Diffstat (limited to 'protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Class/Device')
12 files changed, 3076 insertions, 0 deletions
diff --git a/protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c b/protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c new file mode 100644 index 0000000000..3fb350a119 --- /dev/null +++ b/protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c @@ -0,0 +1,198 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2012.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ 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
+ 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_AUDIO_DRIVER
+#define __INCLUDE_FROM_AUDIO_DEVICE_C
+#include "AudioClassDevice.h"
+
+void Audio_Device_ProcessControlRequest(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+{
+ if (!(Endpoint_IsSETUPReceived()))
+ return;
+
+ if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_INTERFACE)
+ {
+ uint8_t InterfaceIndex = (USB_ControlRequest.wIndex & 0xFF);
+
+ if ((InterfaceIndex != AudioInterfaceInfo->Config.ControlInterfaceNumber) &&
+ (InterfaceIndex != AudioInterfaceInfo->Config.StreamingInterfaceNumber))
+ {
+ return;
+ }
+ }
+ else if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_ENDPOINT)
+ {
+ uint8_t EndpointAddress = (USB_ControlRequest.wIndex & 0xFF);
+
+ if ((EndpointAddress != AudioInterfaceInfo->Config.DataINEndpoint.Address) &&
+ (EndpointAddress != AudioInterfaceInfo->Config.DataOUTEndpoint.Address))
+ {
+ return;
+ }
+ }
+
+ switch (USB_ControlRequest.bRequest)
+ {
+ case REQ_SetInterface:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_INTERFACE))
+ {
+ Endpoint_ClearSETUP();
+ Endpoint_ClearStatusStage();
+
+ AudioInterfaceInfo->State.InterfaceEnabled = ((USB_ControlRequest.wValue & 0xFF) != 0);
+ EVENT_Audio_Device_StreamStartStop(AudioInterfaceInfo);
+ }
+
+ break;
+ case AUDIO_REQ_GetStatus:
+ if ((USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) ||
+ (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_ENDPOINT)))
+ {
+ Endpoint_ClearSETUP();
+ Endpoint_ClearStatusStage();
+ }
+
+ break;
+ case AUDIO_REQ_SetCurrent:
+ case AUDIO_REQ_SetMinimum:
+ case AUDIO_REQ_SetMaximum:
+ case AUDIO_REQ_SetResolution:
+ if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_ENDPOINT)
+ {
+ uint8_t EndpointProperty = USB_ControlRequest.bRequest;
+ uint8_t EndpointAddress = (uint8_t)USB_ControlRequest.wIndex;
+ uint8_t EndpointControl = (USB_ControlRequest.wValue >> 8);
+
+ if (CALLBACK_Audio_Device_GetSetEndpointProperty(AudioInterfaceInfo, EndpointProperty, EndpointAddress,
+ EndpointControl, NULL, NULL))
+ {
+ uint16_t ValueLength = USB_ControlRequest.wLength;
+ uint8_t Value[ValueLength];
+
+ Endpoint_ClearSETUP();
+ Endpoint_Read_Control_Stream_LE(Value, ValueLength);
+ Endpoint_ClearIN();
+
+ CALLBACK_Audio_Device_GetSetEndpointProperty(AudioInterfaceInfo, EndpointProperty, EndpointAddress,
+ EndpointControl, &ValueLength, Value);
+ }
+ }
+ else if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_INTERFACE)
+ {
+ uint8_t Property = USB_ControlRequest.bRequest;
+ uint8_t Entity = (USB_ControlRequest.wIndex >> 8);
+ uint16_t Parameter = USB_ControlRequest.wValue;
+
+ if (CALLBACK_Audio_Device_GetSetInterfaceProperty(AudioInterfaceInfo, Property, Entity,
+ Parameter, NULL, NULL))
+ {
+ uint16_t ValueLength = USB_ControlRequest.wLength;
+ uint8_t Value[ValueLength];
+
+ Endpoint_ClearSETUP();
+ Endpoint_Read_Control_Stream_LE(Value, ValueLength);
+ Endpoint_ClearIN();
+
+ CALLBACK_Audio_Device_GetSetInterfaceProperty(AudioInterfaceInfo, Property, Entity,
+ Parameter, &ValueLength, Value);
+ }
+ }
+
+ break;
+ case AUDIO_REQ_GetCurrent:
+ case AUDIO_REQ_GetMinimum:
+ case AUDIO_REQ_GetMaximum:
+ case AUDIO_REQ_GetResolution:
+ if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_ENDPOINT)
+ {
+ uint8_t EndpointProperty = USB_ControlRequest.bRequest;
+ uint8_t EndpointAddress = (uint8_t)USB_ControlRequest.wIndex;
+ uint8_t EndpointControl = (USB_ControlRequest.wValue >> 8);
+ uint16_t ValueLength = USB_ControlRequest.wLength;
+ uint8_t Value[ValueLength];
+
+ if (CALLBACK_Audio_Device_GetSetEndpointProperty(AudioInterfaceInfo, EndpointProperty, EndpointAddress,
+ EndpointControl, &ValueLength, Value))
+ {
+ Endpoint_ClearSETUP();
+ Endpoint_Write_Control_Stream_LE(Value, ValueLength);
+ Endpoint_ClearOUT();
+ }
+ }
+ else if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_INTERFACE)
+ {
+ uint8_t Property = USB_ControlRequest.bRequest;
+ uint8_t Entity = (USB_ControlRequest.wIndex >> 8);
+ uint16_t Parameter = USB_ControlRequest.wValue;
+ uint16_t ValueLength = USB_ControlRequest.wLength;
+ uint8_t Value[ValueLength];
+
+ if (CALLBACK_Audio_Device_GetSetInterfaceProperty(AudioInterfaceInfo, Property, Entity,
+ Parameter, &ValueLength, Value))
+ {
+ Endpoint_ClearSETUP();
+ Endpoint_Write_Control_Stream_LE(Value, ValueLength);
+ Endpoint_ClearOUT();
+ }
+ }
+
+ break;
+ }
+}
+
+bool Audio_Device_ConfigureEndpoints(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+{
+ memset(&AudioInterfaceInfo->State, 0x00, sizeof(AudioInterfaceInfo->State));
+
+ AudioInterfaceInfo->Config.DataINEndpoint.Type = EP_TYPE_ISOCHRONOUS;
+ AudioInterfaceInfo->Config.DataOUTEndpoint.Type = EP_TYPE_ISOCHRONOUS;
+
+ if (!(Endpoint_ConfigureEndpointTable(&AudioInterfaceInfo->Config.DataINEndpoint, 1)))
+ return false;
+
+ if (!(Endpoint_ConfigureEndpointTable(&AudioInterfaceInfo->Config.DataOUTEndpoint, 1)))
+ return false;
+
+ return true;
+}
+
+// cppcheck-suppress unusedFunction
+void Audio_Device_Event_Stub(void)
+{
+
+}
+
+#endif
+
diff --git a/protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Class/Device/AudioClassDevice.h b/protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Class/Device/AudioClassDevice.h new file mode 100644 index 0000000000..09a8328086 --- /dev/null +++ b/protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Class/Device/AudioClassDevice.h @@ -0,0 +1,396 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2012.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ 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
+ 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.
+*/
+
+/** \file
+ * \brief Device mode driver for the library USB Audio 1.0 Class driver.
+ *
+ * Device 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_USBClassAudioDevice Audio 1.0 Class Device Mode Driver
+ *
+ * \section Sec_Dependencies Module Source Dependencies
+ * The following files must be built with any user project that uses this module:
+ * - LUFA/Drivers/USB/Class/Device/AudioClassDevice.c <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i>
+ *
+ * \section Sec_ModDescription Module Description
+ * Device Mode USB Class driver framework interface, for the Audio 1.0 USB Class driver.
+ *
+ * @{
+ */
+
+#ifndef _AUDIO_CLASS_DEVICE_H_
+#define _AUDIO_CLASS_DEVICE_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 Device Mode Configuration and State Structure.
+ *
+ * Class state structure. An instance of this structure should be made for each Audio interface
+ * 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
+ {
+ uint8_t ControlInterfaceNumber; /**< Index of the Audio Control interface within the device this
+ * structure controls.
+ */
+ uint8_t StreamingInterfaceNumber; /**< Index of the Audio Streaming interface within the device this
+ * structure controls.
+ */
+
+ USB_Endpoint_Table_t DataINEndpoint; /**< Data IN endpoint configuration table. */
+ USB_Endpoint_Table_t DataOUTEndpoint; /**< Data OUT endpoint 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 InterfaceEnabled; /**< Set and cleared by the class driver to indicate if the host has enabled the streaming endpoints
+ * of the Audio Streaming interface.
+ */
+ } State; /**< State data for the USB class interface within the device. All elements in this section
+ * are reset to their defaults when the interface is enumerated.
+ */
+ } USB_ClassInfo_Audio_Device_t;
+
+ /* Function Prototypes: */
+ /** Configures the endpoints of a given Audio interface, ready for use. This should be linked to the library
+ * \ref EVENT_USB_Device_ConfigurationChanged() event so that the endpoints are configured when the configuration containing the
+ * given Audio interface is selected.
+ *
+ * \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state.
+ *
+ * \return Boolean \c true if the endpoints were successfully configured, \c false otherwise.
+ */
+ bool Audio_Device_ConfigureEndpoints(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+
+ /** Processes incoming control requests from the host, that are directed to the given Audio class interface. This should be
+ * linked to the library \ref EVENT_USB_Device_ControlRequest() event.
+ *
+ * \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state.
+ */
+ void Audio_Device_ProcessControlRequest(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+
+ /** Audio class driver callback for the setting and retrieval of streaming endpoint properties. This callback must be implemented
+ * in the user application to handle property manipulations on streaming audio endpoints.
+ *
+ * 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 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] EndpointProperty Property of the endpoint to get or set, a value from \ref Audio_ClassRequests_t.
+ * \param[in] EndpointAddress Address of the streaming endpoint whose property is being referenced.
+ * \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. 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_GetSetEndpointProperty(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo,
+ const uint8_t EndpointProperty,
+ const uint8_t EndpointAddress,
+ const uint8_t EndpointControl,
+ uint16_t* const DataLength,
+ uint8_t* Data) ATTR_NON_NULL_PTR_ARG(1);
+
+ /** 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 \ref 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) ATTR_NON_NULL_PTR_ARG(1);
+
+ /** Audio class driver event for an Audio Stream start/stop change. This event fires each time the device receives a stream enable or
+ * disable control request from the host, to start and stop the audio stream. The current state of the stream can be determined by the
+ * State.InterfaceEnabled value inside the Audio interface structure passed as a parameter.
+ *
+ * \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state.
+ */
+ void EVENT_Audio_Device_StreamStartStop(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo);
+
+ /* Inline Functions: */
+ /** General management task for a given Audio 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 configuration and state.
+ */
+ static inline void Audio_Device_USBTask(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+ ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
+ static inline void Audio_Device_USBTask(USB_ClassInfo_Audio_Device_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
+ * OUT endpoint ready for reading.
+ *
+ * \pre This function must only be called when the Device state machine is in the \ref DEVICE_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_Device_IsSampleReceived(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+ ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
+ static inline bool Audio_Device_IsSampleReceived(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+ {
+ if ((USB_DeviceState != DEVICE_STATE_Configured) || !(AudioInterfaceInfo->State.InterfaceEnabled))
+ return false;
+
+ Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataOUTEndpoint.Address);
+ return Endpoint_IsOUTReceived();
+ }
+
+ /** Determines if the given audio interface is ready to accept the next sample to be written to it, and selects
+ * the streaming IN endpoint ready for writing.
+ *
+ * \pre This function must only be called when the Device state machine is in the \ref DEVICE_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_Device_IsReadyForNextSample(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+ ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
+ static inline bool Audio_Device_IsReadyForNextSample(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+ {
+ if ((USB_DeviceState != DEVICE_STATE_Configured) || !(AudioInterfaceInfo->State.InterfaceEnabled))
+ return false;
+
+ Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataINEndpoint.Address);
+ return Endpoint_IsINReady();
+ }
+
+ /** 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_Device_IsSampleReceived() function to ensure
+ * that the correct endpoint 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_Device_ReadSample8(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+ ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
+ static inline int8_t Audio_Device_ReadSample8(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+ {
+ int8_t Sample;
+
+ (void)AudioInterfaceInfo;
+
+ Sample = Endpoint_Read_8();
+
+ if (!(Endpoint_BytesInEndpoint()))
+ Endpoint_ClearOUT();
+
+ 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_Device_IsSampleReceived() function to ensure
+ * that the correct endpoint 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_Device_ReadSample16(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+ ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
+ static inline int16_t Audio_Device_ReadSample16(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+ {
+ int16_t Sample;
+
+ (void)AudioInterfaceInfo;
+
+ Sample = (int16_t)Endpoint_Read_16_LE();
+
+ if (!(Endpoint_BytesInEndpoint()))
+ Endpoint_ClearOUT();
+
+ 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_Device_IsSampleReceived() function to ensure
+ * that the correct endpoint 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_Device_ReadSample24(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+ ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
+ static inline int32_t Audio_Device_ReadSample24(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+ {
+ int32_t Sample;
+
+ (void)AudioInterfaceInfo;
+
+ Sample = (((uint32_t)Endpoint_Read_8() << 16) | Endpoint_Read_16_LE());
+
+ if (!(Endpoint_BytesInEndpoint()))
+ Endpoint_ClearOUT();
+
+ 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_Device_IsReadyForNextSample() function to
+ * ensure that the correct endpoint 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_Device_WriteSample8(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo,
+ const int8_t Sample) ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
+ static inline void Audio_Device_WriteSample8(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo,
+ const int8_t Sample)
+ {
+ Endpoint_Write_8(Sample);
+
+ if (Endpoint_BytesInEndpoint() == AudioInterfaceInfo->Config.DataINEndpoint.Size)
+ Endpoint_ClearIN();
+ }
+
+ /** 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_Device_IsReadyForNextSample() function to
+ * ensure that the correct endpoint 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_Device_WriteSample16(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo,
+ const int16_t Sample) ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
+ static inline void Audio_Device_WriteSample16(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo,
+ const int16_t Sample)
+ {
+ Endpoint_Write_16_LE(Sample);
+
+ if (Endpoint_BytesInEndpoint() == AudioInterfaceInfo->Config.DataINEndpoint.Size)
+ Endpoint_ClearIN();
+ }
+
+ /** 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_Device_IsReadyForNextSample() function to
+ * ensure that the correct endpoint 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_Device_WriteSample24(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo,
+ const int32_t Sample) ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
+ static inline void Audio_Device_WriteSample24(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo,
+ const int32_t Sample)
+ {
+ Endpoint_Write_16_LE(Sample);
+ Endpoint_Write_8(Sample >> 16);
+
+ if (Endpoint_BytesInEndpoint() == AudioInterfaceInfo->Config.DataINEndpoint.Size)
+ Endpoint_ClearIN();
+ }
+
+ /* Private Interface - For use in library only: */
+ #if !defined(__DOXYGEN__)
+ /* Function Prototypes: */
+ #if defined(__INCLUDE_FROM_AUDIO_DEVICE_C)
+ void Audio_Device_Event_Stub(void) ATTR_CONST;
+
+ void EVENT_Audio_Device_StreamStartStop(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+ ATTR_WEAK ATTR_NON_NULL_PTR_ARG(1) ATTR_ALIAS(Audio_Device_Event_Stub);
+ #endif
+
+ #endif
+
+ /* Disable C linkage for C++ Compilers: */
+ #if defined(__cplusplus)
+ }
+ #endif
+
+#endif
+
+/** @} */
+
diff --git a/protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Class/Device/CDCClassDevice.c b/protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Class/Device/CDCClassDevice.c new file mode 100644 index 0000000000..e77aa280be --- /dev/null +++ b/protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Class/Device/CDCClassDevice.c @@ -0,0 +1,339 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2012.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ 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
+ 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_CDC_DRIVER
+#define __INCLUDE_FROM_CDC_DEVICE_C
+#include "CDCClassDevice.h"
+
+void CDC_Device_ProcessControlRequest(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
+{
+ if (!(Endpoint_IsSETUPReceived()))
+ return;
+
+ if (USB_ControlRequest.wIndex != CDCInterfaceInfo->Config.ControlInterfaceNumber)
+ return;
+
+ switch (USB_ControlRequest.bRequest)
+ {
+ case CDC_REQ_GetLineEncoding:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
+ {
+ Endpoint_ClearSETUP();
+
+ while (!(Endpoint_IsINReady()));
+
+ Endpoint_Write_32_LE(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS);
+ Endpoint_Write_8(CDCInterfaceInfo->State.LineEncoding.CharFormat);
+ Endpoint_Write_8(CDCInterfaceInfo->State.LineEncoding.ParityType);
+ Endpoint_Write_8(CDCInterfaceInfo->State.LineEncoding.DataBits);
+
+ Endpoint_ClearIN();
+ Endpoint_ClearStatusStage();
+ }
+
+ break;
+ case CDC_REQ_SetLineEncoding:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
+ {
+ Endpoint_ClearSETUP();
+
+ while (!(Endpoint_IsOUTReceived()))
+ {
+ if (USB_DeviceState == DEVICE_STATE_Unattached)
+ return;
+ }
+
+ CDCInterfaceInfo->State.LineEncoding.BaudRateBPS = Endpoint_Read_32_LE();
+ CDCInterfaceInfo->State.LineEncoding.CharFormat = Endpoint_Read_8();
+ CDCInterfaceInfo->State.LineEncoding.ParityType = Endpoint_Read_8();
+ CDCInterfaceInfo->State.LineEncoding.DataBits = Endpoint_Read_8();
+
+ Endpoint_ClearOUT();
+ Endpoint_ClearStatusStage();
+
+ EVENT_CDC_Device_LineEncodingChanged(CDCInterfaceInfo);
+ }
+
+ break;
+ case CDC_REQ_SetControlLineState:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
+ {
+ Endpoint_ClearSETUP();
+ Endpoint_ClearStatusStage();
+
+ CDCInterfaceInfo->State.ControlLineStates.HostToDevice = USB_ControlRequest.wValue;
+
+ EVENT_CDC_Device_ControLineStateChanged(CDCInterfaceInfo);
+ }
+
+ break;
+ case CDC_REQ_SendBreak:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
+ {
+ Endpoint_ClearSETUP();
+ Endpoint_ClearStatusStage();
+
+ EVENT_CDC_Device_BreakSent(CDCInterfaceInfo, (uint8_t)USB_ControlRequest.wValue);
+ }
+
+ break;
+ }
+}
+
+bool CDC_Device_ConfigureEndpoints(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
+{
+ memset(&CDCInterfaceInfo->State, 0x00, sizeof(CDCInterfaceInfo->State));
+
+ CDCInterfaceInfo->Config.DataINEndpoint.Type = EP_TYPE_BULK;
+ CDCInterfaceInfo->Config.DataOUTEndpoint.Type = EP_TYPE_BULK;
+ CDCInterfaceInfo->Config.NotificationEndpoint.Type = EP_TYPE_INTERRUPT;
+
+ if (!(Endpoint_ConfigureEndpointTable(&CDCInterfaceInfo->Config.DataINEndpoint, 1)))
+ return false;
+
+ if (!(Endpoint_ConfigureEndpointTable(&CDCInterfaceInfo->Config.DataOUTEndpoint, 1)))
+ return false;
+
+ if (!(Endpoint_ConfigureEndpointTable(&CDCInterfaceInfo->Config.NotificationEndpoint, 1)))
+ return false;
+
+ return true;
+}
+
+void CDC_Device_USBTask(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
+{
+ if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
+ return;
+
+ #if !defined(NO_CLASS_DRIVER_AUTOFLUSH)
+ CDC_Device_Flush(CDCInterfaceInfo);
+ #endif
+}
+
+uint8_t CDC_Device_SendString(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo,
+ const char* const String)
+{
+ if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
+ return ENDPOINT_RWSTREAM_DeviceDisconnected;
+
+ Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpoint.Address);
+ return Endpoint_Write_Stream_LE(String, strlen(String) |