diff options
Diffstat (limited to 'usb-fast-audio-source/AUDDFastSourceDescriptors.c')
| -rw-r--r-- | usb-fast-audio-source/AUDDFastSourceDescriptors.c | 1455 |
1 files changed, 1455 insertions, 0 deletions
diff --git a/usb-fast-audio-source/AUDDFastSourceDescriptors.c b/usb-fast-audio-source/AUDDFastSourceDescriptors.c new file mode 100644 index 0000000..e117de8 --- /dev/null +++ b/usb-fast-audio-source/AUDDFastSourceDescriptors.c @@ -0,0 +1,1455 @@ +/* ----------------------------------------------------------------------------
+ * ATMEL Microcontroller Software Support
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2008, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ----------------------------------------------------------------------------
+ */
+
+//------------------------------------------------------------------------------
+// Headers
+//------------------------------------------------------------------------------
+
+#include "AUDDFastSourceDescriptors.h"
+#include <board.h>
+#include <usb/common/core/USBGenericDescriptor.h>
+#include <usb/common/core/USBDeviceDescriptor.h>
+#include <usb/common/core/USBConfigurationDescriptor.h>
+#include <usb/common/core/USBInterfaceDescriptor.h>
+#include <usb/common/core/USBEndpointDescriptor.h>
+#include <usb/common/core/USBStringDescriptor.h>
+#include <usb/common/audio/AUDGenericDescriptor.h>
+#include <usb/common/audio/AUDDeviceDescriptor.h>
+#include <usb/common/audio/AUDControlInterfaceDescriptor.h>
+#include <usb/common/audio/AUDStreamingInterfaceDescriptor.h>
+#include <usb/common/audio/AUDEndpointDescriptor.h>
+#include <usb/common/audio/AUDDataEndpointDescriptor.h>
+#include <usb/common/audio/AUDFormatTypeOneDescriptor.h>
+#include <usb/common/audio/AUDHeaderDescriptor.h>
+#include <usb/common/audio/AUDFeatureUnitDescriptor.h>
+#include <usb/common/audio/AUDInputTerminalDescriptor.h>
+#include <usb/common/audio/AUDOutputTerminalDescriptor.h>
+
+//------------------------------------------------------------------------------
+// Definitions
+//------------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+/// \page "Audio Loop Record Device Codes"
+///
+/// This page lists the %device IDs and release number of the USB Audio Loop Record
+/// %device.
+///
+/// !Codes
+/// - AUDDLoopRecDriverDescriptors_VENDORID
+/// - AUDDLoopRecDriverDescriptors_PRODUCTID
+/// - AUDDLoopRecDriverDescriptors_RELEASE
+
+/// Device vendor ID.
+#define AUDDLoopRecDriverDescriptors_VENDORID 0x16C0
+/// Device product ID.
+#define AUDDLoopRecDriverDescriptors_PRODUCTID 0x0763
+/// Device release number in BCD format.
+#define AUDDLoopRecDriverDescriptors_RELEASE 0x0100
+//------------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+// Internal types
+//------------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+/// Audio control header descriptor with one slave interface.
+//------------------------------------------------------------------------------
+#ifdef __ICCARM__ // IAR
+#pragma pack(1) // IAR
+#define __attribute__(...) // IAR
+#endif // IAR
+
+//------------------------------------------------------------------------------
+/// Header descriptor with 1 interface.
+//------------------------------------------------------------------------------
+typedef struct {
+
+ /// Header descriptor.
+ AUDHeaderDescriptor header;
+ /// Id of the first grouped interface - Speaker.
+ unsigned char bInterface0;
+ /// Id of the second grouped interface - Speakerphone.
+ unsigned char bInterface1;
+
+} __attribute__ ((packed)) AUDHeaderDescriptor2; // GCC
+
+//------------------------------------------------------------------------------
+/// Feature unit descriptor with 3 channel controls (master, right, left).
+//------------------------------------------------------------------------------
+typedef struct {
+
+ /// Feature unit descriptor.
+ AUDFeatureUnitDescriptor feature;
+ /// Available controls for each channel.
+ unsigned char bmaControls[3];
+ /// Index of a string descriptor for the feature unit.
+ unsigned char iFeature;
+
+} __attribute__ ((packed)) AUDFeatureUnitDescriptor3; // GCC
+
+//------------------------------------------------------------------------------
+/// List of descriptors for detailling the audio control interface of a
+/// device using a USB Audio Loop Recorder driver.
+//------------------------------------------------------------------------------
+typedef struct {
+
+ /// Header descriptor (with one slave interface).
+ AUDHeaderDescriptor2 header;
+ /// Input terminal descriptor.
+ AUDInputTerminalDescriptor inputLoopRec;
+ /// Output terminal descriptor.
+ AUDOutputTerminalDescriptor outputLoopRec;
+ /// Feature unit descriptor - LoopRec.
+ AUDFeatureUnitDescriptor3 featureLoopRec;
+ /// Input terminal descriptor.
+ AUDInputTerminalDescriptor inputRec;
+ /// Output terminal descriptor.
+ AUDOutputTerminalDescriptor outputRec;
+ /// Feature unit descriptor - LoopRecphone.
+ AUDFeatureUnitDescriptor3 featureRec;
+
+} __attribute__ ((packed)) AUDDLoopRecDriverAudioControlDescriptors; // GCC
+
+//------------------------------------------------------------------------------
+/// Format type I descriptor with one discrete sampling frequency.
+//------------------------------------------------------------------------------
+typedef struct {
+
+ /// Format type I descriptor.
+ AUDFormatTypeOneDescriptor formatType;
+ /// Sampling frequency in Hz.
+ unsigned char tSamFreq[3];
+
+} __attribute__ ((packed)) AUDFormatTypeOneDescriptor1; // GCC
+
+//------------------------------------------------------------------------------
+/// Holds a list of descriptors returned as part of the configuration of
+/// a USB Audio Loop Record device.
+//------------------------------------------------------------------------------
+typedef struct {
+
+ /// Standard configuration.
+ USBConfigurationDescriptor configuration;
+ /// Audio control interface.
+ USBInterfaceDescriptor control;
+ /// Descriptors for the audio control interface.
+ AUDDLoopRecDriverAudioControlDescriptors controlDescriptors;
+ //- AUDIO OUT
+ /// Streaming out interface descriptor (with no endpoint, required).
+ USBInterfaceDescriptor streamingOutNoIsochronous;
+ /// Streaming out interface descriptor.
+ USBInterfaceDescriptor streamingOut;
+ /// Audio class descriptor for the streaming out interface.
+ AUDStreamingInterfaceDescriptor streamingOutClass;
+ /// Stream format descriptor.
+ AUDFormatTypeOneDescriptor1 streamingOutFormatType;
+ /// Streaming out endpoint descriptor.
+ AUDEndpointDescriptor streamingOutEndpoint;
+ /// Audio class descriptor for the streaming out endpoint.
+ AUDDataEndpointDescriptor streamingOutDataEndpoint;
+ //- AUDIO IN
+ /// Streaming in interface descriptor (with no endpoint, required).
+ USBInterfaceDescriptor streamingInNoIsochronous;
+ /// Streaming in interface descriptor.
+ USBInterfaceDescriptor streamingIn;
+ /// Audio class descriptor for the streaming in interface.
+ AUDStreamingInterfaceDescriptor streamingInClass;
+ /// Stream format descriptor.
+ AUDFormatTypeOneDescriptor1 streamingInFormatType;
+ /// Streaming in endpoint descriptor.
+ AUDEndpointDescriptor streamingInEndpoint;
+ /// Audio class descriptor for the streaming in endpoint.
+ AUDDataEndpointDescriptor streamingInDataEndpoint;
+
+} __attribute__ ((packed)) AUDDLoopRecDriverConfigurationDescriptors; // GCC
+
+#ifdef __ICCARM__ // IAR
+#pragma pack() // IAR
+#endif // IAR
+
+//------------------------------------------------------------------------------
+// Exported variables
+//------------------------------------------------------------------------------
+
+/// Device descriptor for a USB Audio Loop Record driver.
+const USBDeviceDescriptor deviceDescriptor = {
+
+ sizeof(USBDeviceDescriptor),
+ USBGenericDescriptor_DEVICE,
+ USBDeviceDescriptor_USB2_00,
+ AUDDeviceDescriptor_CLASS,
+ AUDDeviceDescriptor_SUBCLASS,
+ AUDDeviceDescriptor_PROTOCOL,
+ CHIP_USB_ENDPOINTS_MAXPACKETSIZE(0),
+ AUDDLoopRecDriverDescriptors_VENDORID,
+ AUDDLoopRecDriverDescriptors_PRODUCTID,
+ AUDDLoopRecDriverDescriptors_RELEASE,
+ 1, // Manufacturer string descriptor index
+ 2, // Product string descriptor index
+ 3, // Index of serial number string descriptor
+ 1 // One possible configuration
+};
+
+#if defined(CHIP_USB_UDPHS) || defined(CHIP_USB_OTGHS)
+
+/// USB device qualifier descriptor.
+const USBDeviceQualifierDescriptor qualifierDescriptor = {
+
+ sizeof(USBDeviceQualifierDescriptor),
+ USBGenericDescriptor_DEVICEQUALIFIER,
+ USBDeviceDescriptor_USB2_00,
+ AUDDeviceDescriptor_CLASS,
+ AUDDeviceDescriptor_SUBCLASS,
+ AUDDeviceDescriptor_PROTOCOL,
+ CHIP_USB_ENDPOINTS_MAXPACKETSIZE(0),
+ 1, // Device has one possible configuration
+ 0 // Reserved
+};
+
+/// HS Configuration descriptors for a USB Audio Loop Record driver.
+const AUDDLoopRecDriverConfigurationDescriptors hsConfigurationDescriptors = {
+
+ // Configuration descriptor
+ {
+ sizeof(USBConfigurationDescriptor),
+ USBGenericDescriptor_CONFIGURATION,
+ sizeof(AUDDLoopRecDriverConfigurationDescriptors),
+ 3, // This configuration has 3 interfaces
+ 1, // This is configuration #1
+ 0, // No string descriptor
+ BOARD_USB_BMATTRIBUTES,
+ USBConfigurationDescriptor_POWER(100)
+ },
+ // Audio control interface standard descriptor
+ {
+ sizeof(USBInterfaceDescriptor),
+ USBGenericDescriptor_INTERFACE,
+ AUDDLoopRecDriverDescriptors_CONTROL,
+ 0, // This is alternate setting #0
+ 0, // This interface uses no endpoint
+ AUDControlInterfaceDescriptor_CLASS,
+ AUDControlInterfaceDescriptor_SUBCLASS,
+ AUDControlInterfaceDescriptor_PROTOCOL,
+ 0 // No string descriptor
+ },
+ // Audio control interface descriptors
+ {
+ // Header descriptor
+ {
+ {
+ sizeof(AUDHeaderDescriptor2),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_HEADER,
+ AUDHeaderDescriptor_AUD1_00,
+ sizeof(AUDDLoopRecDriverAudioControlDescriptors),
+ 2 // Two streaming interface
+ },
+ AUDDLoopRecDriverDescriptors_STREAMING,
+ AUDDLoopRecDriverDescriptors_STREAMINGIN
+ },
+ // Input terminal descriptor ( speaker )
+ {
+ sizeof(AUDInputTerminalDescriptor),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_INPUTTERMINAL,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL,
+ AUDInputTerminalDescriptor_USBSTREAMING,
+ AUDDLoopRecDriverDescriptors_OUTPUTTERMINAL,
+ AUDDLoopRecDriver_NUMCHANNELS,
+ #if AUDDLoopRecDriver_NUMCHANNELS > 1
+ AUDInputTerminalDescriptor_LEFTFRONT
+ | AUDInputTerminalDescriptor_RIGHTFRONT,
+ #else
+ 0, // Mono sets no position bits.
+ #endif
+ 0, // No string descriptor for channels
+ 0 // No string descriptor for input terminal
+ },
+ // Output terminal descriptor ( speaker )
+ {
+ sizeof(AUDOutputTerminalDescriptor),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_OUTPUTTERMINAL,
+ AUDDLoopRecDriverDescriptors_OUTPUTTERMINAL,
+ AUDOutputTerminalDescriptor_SPEAKER,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL,
+ AUDDLoopRecDriverDescriptors_FEATUREUNIT,
+ 0 // No string descriptor
+ },
+ // Feature unit descriptor ( speaker )
+ {
+ {
+ sizeof(AUDFeatureUnitDescriptor3),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_FEATUREUNIT,
+ AUDDLoopRecDriverDescriptors_FEATUREUNIT,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL,
+ 1, // 1 byte per channel for controls
+ },
+ {
+ AUDFeatureUnitDescriptor_MUTE, // Master channel controls
+ 0, // Right channel controls
+ 0 // Left channel controls
+ },
+ 0 // No string descriptor
+ },
+ // Input terminal descriptor ( speakerphone )
+ {
+ sizeof(AUDInputTerminalDescriptor),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_INPUTTERMINAL,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL_REC,
+ AUDInputTerminalDescriptor_SPEAKERPHONE,
+ AUDDLoopRecDriverDescriptors_OUTPUTTERMINAL_REC,
+ AUDDLoopRecDriver_NUMCHANNELS,
+ #if AUDDLoopRecDriver_NUMCHANNELS > 1
+ AUDInputTerminalDescriptor_LEFTFRONT
+ | AUDInputTerminalDescriptor_RIGHTFRONT,
+ #else
+ 0, // Mono sets no position bits.
+ #endif
+ 0, // No string descriptor for channels
+ 0 // No string descriptor for input terminal
+ },
+ // Output terminal descriptor ( speakerphone )
+ {
+ sizeof(AUDOutputTerminalDescriptor),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_OUTPUTTERMINAL,
+ AUDDLoopRecDriverDescriptors_OUTPUTTERMINAL_REC,
+ AUDOutputTerminalDescriptor_USBTREAMING,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL_REC,
+ AUDDLoopRecDriverDescriptors_FEATUREUNIT_REC,
+ 0 // No string descriptor
+ },
+ // Feature unit descriptor ( speakerphone )
+ {
+ {
+ sizeof(AUDFeatureUnitDescriptor3),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_FEATUREUNIT,
+ AUDDLoopRecDriverDescriptors_FEATUREUNIT_REC,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL_REC,
+ 1
+ },
+ {
+ AUDFeatureUnitDescriptor_MUTE, // Mic controls
+ 0,
+ 0
+ },
+ 0 // No string descriptor
+ }
+ },
+ // - AUIDO OUT
+ // Audio streaming interface with 0 endpoints
+ {
+ sizeof(USBInterfaceDescriptor),
+ USBGenericDescriptor_INTERFACE,
+ AUDDLoopRecDriverDescriptors_STREAMING,
+ 0, // This is alternate setting #0
+ 0, // This interface uses no endpoints
+ AUDStreamingInterfaceDescriptor_CLASS,
+ AUDStreamingInterfaceDescriptor_SUBCLASS,
+ AUDStreamingInterfaceDescriptor_PROTOCOL,
+ 0 // No string descriptor
+ },
+ // Audio streaming interface with data endpoint
+ {
+ sizeof(USBInterfaceDescriptor),
+ USBGenericDescriptor_INTERFACE,
+ AUDDLoopRecDriverDescriptors_STREAMING,
+ 1, // This is alternate setting #1
+ 1, // This interface uses 1 endpoint
+ AUDStreamingInterfaceDescriptor_CLASS,
+ AUDStreamingInterfaceDescriptor_SUBCLASS,
+ AUDStreamingInterfaceDescriptor_PROTOCOL,
+ 0 // No string descriptor
+ },
+ // Audio streaming class-specific descriptor
+ {
+ sizeof(AUDStreamingInterfaceDescriptor),
+ AUDGenericDescriptor_INTERFACE,
+ AUDStreamingInterfaceDescriptor_GENERAL,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL,
+ 0, // No internal delay because of data path
+ AUDFormatTypeOneDescriptor_PCM
+ },
+ // Format type I descriptor
+ {
+ {
+ sizeof(AUDFormatTypeOneDescriptor1),
+ AUDGenericDescriptor_INTERFACE,
+ AUDStreamingInterfaceDescriptor_FORMATTYPE,
+ AUDFormatTypeOneDescriptor_FORMATTYPEONE,
+ AUDDLoopRecDriver_NUMCHANNELS,
+ AUDDLoopRecDriver_BYTESPERSAMPLE,
+ AUDDLoopRecDriver_BYTESPERSAMPLE*8,
+ 1 // One discrete frequency supported
+ },
+ {
+ AUDDLoopRecDriver_SAMPLERATE & 0xFF,
+ (AUDDLoopRecDriver_SAMPLERATE >> 8) & 0xFF,
+ (AUDDLoopRecDriver_SAMPLERATE >> 16) & 0xFF
+ }
+ },
+ // Audio streaming endpoint standard descriptor
+ {
+ sizeof(AUDEndpointDescriptor),
+ USBGenericDescriptor_ENDPOINT,
+ USBEndpointDescriptor_ADDRESS(
+ USBEndpointDescriptor_OUT,
+ AUDDLoopRecDriverDescriptors_DATAOUT),
+ USBEndpointDescriptor_ISOCHRONOUS,
+ AUDDLoopRecDriver_BYTESPERFRAME,
+ AUDDLoopRecDriverDescriptors_HS_INTERVAL, // Polling interval = 1 ms
+ 0, // This is not a synchronization endpoint
+ 0 // No associated synchronization endpoint
+ },
+ // Audio streaming endpoint class-specific descriptor
+ {
+ sizeof(AUDDataEndpointDescriptor),
+ AUDGenericDescriptor_ENDPOINT,
+ AUDDataEndpointDescriptor_SUBTYPE,
+ 0, // No attributes
+ 0, // Endpoint is not synchronized
+ 0 // Endpoint is not synchronized
+ },
+ //- AUDIO IN
+ // Audio streaming interface with 0 endpoints
+ {
+ sizeof(USBInterfaceDescriptor),
+ USBGenericDescriptor_INTERFACE,
+ AUDDLoopRecDriverDescriptors_STREAMINGIN,
+ 0, // This is alternate setting #0
+ 0, // This interface uses no endpoints
+ AUDStreamingInterfaceDescriptor_CLASS,
+ AUDStreamingInterfaceDescriptor_SUBCLASS,
+ AUDStreamingInterfaceDescriptor_PROTOCOL,
+ 0 // No string descriptor
+ },
+ // Audio streaming interface with data endpoint
+ {
+ sizeof(USBInterfaceDescriptor),
+ USBGenericDescriptor_INTERFACE,
+ AUDDLoopRecDriverDescriptors_STREAMINGIN,
+ 1, // This is alternate setting #1
+ 1, // This interface uses 1 endpoint
+ AUDStreamingInterfaceDescriptor_CLASS,
+ AUDStreamingInterfaceDescriptor_SUBCLASS,
+ AUDStreamingInterfaceDescriptor_PROTOCOL,
+ 0 // No string descriptor
+ },
+ // Audio streaming class-specific descriptor
+ {
+ sizeof(AUDStreamingInterfaceDescriptor),
+ AUDGenericDescriptor_INTERFACE,
+ AUDStreamingInterfaceDescriptor_GENERAL,
+ AUDDLoopRecDriverDescriptors_OUTPUTTERMINAL_REC,
+ 0, // No internal delay because of data path
+ AUDFormatTypeOneDescriptor_PCM
+ },
+ // Format type I descriptor
+ {
+ {
+ sizeof(AUDFormatTypeOneDescriptor1),
+ AUDGenericDescriptor_INTERFACE,
+ AUDStreamingInterfaceDescriptor_FORMATTYPE,
+ AUDFormatTypeOneDescriptor_FORMATTYPEONE,
+ AUDDLoopRecDriver_NUMCHANNELS,
+ AUDDLoopRecDriver_BYTESPERSAMPLE,
+ AUDDLoopRecDriver_BYTESPERSAMPLE*8,
+ 1 // One discrete frequency supported
+ },
+ {
+ AUDDLoopRecDriver_SAMPLERATE & 0xFF,
+ (AUDDLoopRecDriver_SAMPLERATE >> 8) & 0xFF,
+ (AUDDLoopRecDriver_SAMPLERATE >> 16) & 0xFF
+ }
+ },
+ // Audio streaming endpoint standard descriptor
+ {
+ sizeof(AUDEndpointDescriptor),
+ USBGenericDescriptor_ENDPOINT,
+ USBEndpointDescriptor_ADDRESS(
+ USBEndpointDescriptor_IN,
+ AUDDLoopRecDriverDescriptors_DATAIN),
+ USBEndpointDescriptor_ISOCHRONOUS,
+ AUDDLoopRecDriver_BYTESPERFRAME,
+ AUDDLoopRecDriverDescriptors_HS_INTERVAL, // Polling interval = 1 ms
+ 0, // This is not a synchronization endpoint
+ 0 // No associated synchronization endpoint
+ },
+ // Audio streaming endpoint class-specific descriptor
+ {
+ sizeof(AUDDataEndpointDescriptor),
+ AUDGenericDescriptor_ENDPOINT,
+ AUDDataEndpointDescriptor_SUBTYPE,
+ 0, // No attributes
+ 0, // Endpoint is not synchronized
+ 0 // Endpoint is not synchronized
+ }
+};
+
+/// HS Other Speed Configuration descriptors for a USB Audio Loop Record driver.
+const AUDDLoopRecDriverConfigurationDescriptors
+ fsOtherSpeedConfigurationDescriptors = {
+
+ // Configuration descriptor
+ {
+ sizeof(USBConfigurationDescriptor),
+ USBGenericDescriptor_OTHERSPEEDCONFIGURATION,
+ sizeof(AUDDLoopRecDriverConfigurationDescriptors),
+ 3, // This configuration has 3 interfaces
+ 1, // This is configuration #1
+ 0, // No string descriptor
+ BOARD_USB_BMATTRIBUTES,
+ USBConfigurationDescriptor_POWER(100)
+ },
+ // Audio control interface standard descriptor
+ {
+ sizeof(USBInterfaceDescriptor),
+ USBGenericDescriptor_INTERFACE,
+ AUDDLoopRecDriverDescriptors_CONTROL,
+ 0, // This is alternate setting #0
+ 0, // This interface uses no endpoint
+ AUDControlInterfaceDescriptor_CLASS,
+ AUDControlInterfaceDescriptor_SUBCLASS,
+ AUDControlInterfaceDescriptor_PROTOCOL,
+ 0 // No string descriptor
+ },
+ // Audio control interface descriptors
+ {
+ // Header descriptor
+ {
+ {
+ sizeof(AUDHeaderDescriptor2),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_HEADER,
+ AUDHeaderDescriptor_AUD1_00,
+ sizeof(AUDDLoopRecDriverAudioControlDescriptors),
+ 2 // Two streaming interface
+ },
+ AUDDLoopRecDriverDescriptors_STREAMING,
+ AUDDLoopRecDriverDescriptors_STREAMINGIN
+ },
+ // Input terminal descriptor ( speaker )
+ {
+ sizeof(AUDInputTerminalDescriptor),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_INPUTTERMINAL,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL,
+ AUDInputTerminalDescriptor_USBSTREAMING,
+ AUDDLoopRecDriverDescriptors_OUTPUTTERMINAL,
+ AUDDLoopRecDriver_NUMCHANNELS,
+ #if AUDDLoopRecDriver_NUMCHANNELS > 1
+ AUDInputTerminalDescriptor_LEFTFRONT
+ | AUDInputTerminalDescriptor_RIGHTFRONT,
+ #else
+ 0, // Mono sets no position bits.
+ #endif
+ 0, // No string descriptor for channels
+ 0 // No string descriptor for input terminal
+ },
+ // Output terminal descriptor ( speaker )
+ {
+ sizeof(AUDOutputTerminalDescriptor),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_OUTPUTTERMINAL,
+ AUDDLoopRecDriverDescriptors_OUTPUTTERMINAL,
+ AUDOutputTerminalDescriptor_SPEAKER,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL,
+ AUDDLoopRecDriverDescriptors_FEATUREUNIT,
+ 0 // No string descriptor
+ },
+ // Feature unit descriptor ( speaker )
+ {
+ {
+ sizeof(AUDFeatureUnitDescriptor3),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_FEATUREUNIT,
+ AUDDLoopRecDriverDescriptors_FEATUREUNIT,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL,
+ 1, // 1 byte per channel for controls
+ },
+ {
+ AUDFeatureUnitDescriptor_MUTE, // Master channel controls
+ 0, // Right channel controls
+ 0 // Left channel controls
+ },
+ 0 // No string descriptor
+ },
+ // Input terminal descriptor ( speakerphone )
+ {
+ sizeof(AUDInputTerminalDescriptor),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_INPUTTERMINAL,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL_REC,
+ AUDInputTerminalDescriptor_SPEAKERPHONE,
+ AUDDLoopRecDriverDescriptors_OUTPUTTERMINAL_REC,
+ AUDDLoopRecDriver_NUMCHANNELS,
+ #if AUDDLoopRecDriver_NUMCHANNELS > 1
+ AUDInputTerminalDescriptor_LEFTFRONT
+ | AUDInputTerminalDescriptor_RIGHTFRONT,
+ #else
+ 0, // Mono sets no position bits.
+ #endif
+ 0, // No string descriptor for channels
+ 0 // No string descriptor for input terminal
+ },
+ // Output terminal descriptor ( speakerphone )
+ {
+ sizeof(AUDOutputTerminalDescriptor),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_OUTPUTTERMINAL,
+ AUDDLoopRecDriverDescriptors_OUTPUTTERMINAL_REC,
+ AUDOutputTerminalDescriptor_USBTREAMING,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL_REC,
+ AUDDLoopRecDriverDescriptors_FEATUREUNIT_REC,
+ 0 // No string descriptor
+ },
+ // Feature unit descriptor ( speakerphone )
+ {
+ {
+ sizeof(AUDFeatureUnitDescriptor3),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_FEATUREUNIT,
+ AUDDLoopRecDriverDescriptors_FEATUREUNIT_REC,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL_REC,
+ 1
+ },
+ {
+ AUDFeatureUnitDescriptor_MUTE, // Mic controls
+ 0,
+ 0
+ },
+ 0 // No string descriptor
+ }
+ },
+ // - AUIDO OUT
+ // Audio streaming interface with 0 endpoints
+ {
+ sizeof(USBInterfaceDescriptor),
+ USBGenericDescriptor_INTERFACE,
+ AUDDLoopRecDriverDescriptors_STREAMING,
+ 0, // This is alternate setting #0
+ 0, // This interface uses no endpoints
+ AUDStreamingInterfaceDescriptor_CLASS,
+ AUDStreamingInterfaceDescriptor_SUBCLASS,
+ AUDStreamingInterfaceDescriptor_PROTOCOL,
+ 0 // No string descriptor
+ },
+ // Audio streaming interface with data endpoint
+ {
+ sizeof(USBInterfaceDescriptor),
+ USBGenericDescriptor_INTERFACE,
+ AUDDLoopRecDriverDescriptors_STREAMING,
+ 1, // This is alternate setting #1
+ 1, // This interface uses 1 endpoint
+ AUDStreamingInterfaceDescriptor_CLASS,
+ AUDStreamingInterfaceDescriptor_SUBCLASS,
+ AUDStreamingInterfaceDescriptor_PROTOCOL,
+ 0 // No string descriptor
+ },
+ // Audio streaming class-specific descriptor
+ {
+ sizeof(AUDStreamingInterfaceDescriptor),
+ AUDGenericDescriptor_INTERFACE,
+ AUDStreamingInterfaceDescriptor_GENERAL,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL,
+ 0, // No internal delay because of data path
+ AUDFormatTypeOneDescriptor_PCM
+ },
+ // Format type I descriptor
+ {
+ {
+ sizeof(AUDFormatTypeOneDescriptor1),
+ AUDGenericDescriptor_INTERFACE,
+ AUDStreamingInterfaceDescriptor_FORMATTYPE,
+ AUDFormatTypeOneDescriptor_FORMATTYPEONE,
+ AUDDLoopRecDriver_NUMCHANNELS,
+ AUDDLoopRecDriver_BYTESPERSAMPLE,
+ AUDDLoopRecDriver_BYTESPERSAMPLE*8,
+ 1 // One discrete frequency supported
+ },
+ {
+ AUDDLoopRecDriver_SAMPLERATE & 0xFF,
+ (AUDDLoopRecDriver_SAMPLERATE >> 8) & 0xFF,
+ (AUDDLoopRecDriver_SAMPLERATE >> 16) & 0xFF
+ }
+ },
+ // Audio streaming endpoint standard descriptor
+ {
+ sizeof(AUDEndpointDescriptor),
+ USBGenericDescriptor_ENDPOINT,
+ USBEndpointDescriptor_ADDRESS(
+ USBEndpointDescriptor_OUT,
+ AUDDLoopRecDriverDescriptors_DATAOUT),
+ USBEndpointDescriptor_ISOCHRONOUS,
+ AUDDLoopRecDriver_BYTESPERFRAME,
+ AUDDLoopRecDriverDescriptors_HS_INTERVAL, // Polling interval = 1 ms
+ 0, // This is not a synchronization endpoint
+ 0 // No associated synchronization endpoint
+ },
+ // Audio streaming endpoint class-specific descriptor
+ {
+ sizeof(AUDDataEndpointDescriptor),
+ AUDGenericDescriptor_ENDPOINT,
+ AUDDataEndpointDescriptor_SUBTYPE,
+ 0, // No attributes
+ 0, // Endpoint is not synchronized
+ 0 // Endpoint is not synchronized
+ },
+ //- AUDIO IN
+ // Audio streaming interface with 0 endpoints
+ {
+ sizeof(USBInterfaceDescriptor),
+ USBGenericDescriptor_INTERFACE,
+ AUDDLoopRecDriverDescriptors_STREAMINGIN,
+ 0, // This is alternate setting #0
+ 0, // This interface uses no endpoints
+ AUDStreamingInterfaceDescriptor_CLASS,
+ AUDStreamingInterfaceDescriptor_SUBCLASS,
+ AUDStreamingInterfaceDescriptor_PROTOCOL,
+ 0 // No string descriptor
+ },
+ // Audio streaming interface with data endpoint
+ {
+ sizeof(USBInterfaceDescriptor),
+ USBGenericDescriptor_INTERFACE,
+ AUDDLoopRecDriverDescriptors_STREAMINGIN,
+ 1, // This is alternate setting #1
+ 1, // This interface uses 1 endpoint
+ AUDStreamingInterfaceDescriptor_CLASS,
+ AUDStreamingInterfaceDescriptor_SUBCLASS,
+ AUDStreamingInterfaceDescriptor_PROTOCOL,
+ 0 // No string descriptor
+ },
+ // Audio streaming class-specific descriptor
+ {
+ sizeof(AUDStreamingInterfaceDescriptor),
+ AUDGenericDescriptor_INTERFACE,
+ AUDStreamingInterfaceDescriptor_GENERAL,
+ AUDDLoopRecDriverDescriptors_OUTPUTTERMINAL_REC,
+ 0, // No internal delay because of data path
+ AUDFormatTypeOneDescriptor_PCM
+ },
+ // Format type I descriptor
+ {
+ {
+ sizeof(AUDFormatTypeOneDescriptor1),
+ AUDGenericDescriptor_INTERFACE,
+ AUDStreamingInterfaceDescriptor_FORMATTYPE,
+ AUDFormatTypeOneDescriptor_FORMATTYPEONE,
+ AUDDLoopRecDriver_NUMCHANNELS,
+ AUDDLoopRecDriver_BYTESPERSAMPLE,
+ AUDDLoopRecDriver_BYTESPERSAMPLE*8,
+ 1 // One discrete frequency supported
+ },
+ {
+ AUDDLoopRecDriver_SAMPLERATE & 0xFF,
+ (AUDDLoopRecDriver_SAMPLERATE >> 8) & 0xFF,
+ (AUDDLoopRecDriver_SAMPLERATE >> 16) & 0xFF
+ }
+ },
+ // Audio streaming endpoint standard descriptor
+ {
+ sizeof(AUDEndpointDescriptor),
+ USBGenericDescriptor_ENDPOINT,
+ USBEndpointDescriptor_ADDRESS(
+ USBEndpointDescriptor_IN,
+ AUDDLoopRecDriverDescriptors_DATAIN),
+ USBEndpointDescriptor_ISOCHRONOUS,
+ AUDDLoopRecDriver_BYTESPERFRAME,
+ AUDDLoopRecDriverDescriptors_HS_INTERVAL, // Polling interval = 1 ms
+ 0, // This is not a synchronization endpoint
+ 0 // No associated synchronization endpoint
+ },
+ // Audio streaming endpoint class-specific descriptor
+ {
+ sizeof(AUDDataEndpointDescriptor),
+ AUDGenericDescriptor_ENDPOINT,
+ AUDDataEndpointDescriptor_SUBTYPE,
+ 0, // No attributes
+ 0, // Endpoint is not synchronized
+ 0 // Endpoint is not synchronized
+ }
+};
+
+/// HS Other Speed Configuration descriptors.
+const AUDDLoopRecDriverConfigurationDescriptors
+ hsOtherSpeedConfigurationDescriptors = {
+
+ // Configuration descriptor
+ {
+ sizeof(USBConfigurationDescriptor),
+ USBGenericDescriptor_OTHERSPEEDCONFIGURATION,
+ sizeof(AUDDLoopRecDriverConfigurationDescriptors),
+ 3, // This configuration has 3 interfaces
+ 1, // This is configuration #1
+ 0, // No string descriptor
+ BOARD_USB_BMATTRIBUTES,
+ USBConfigurationDescriptor_POWER(100)
+ },
+ // Audio control interface standard descriptor
+ {
+ sizeof(USBInterfaceDescriptor),
+ USBGenericDescriptor_INTERFACE,
+ AUDDLoopRecDriverDescriptors_CONTROL,
+ 0, // This is alternate setting #0
+ 0, // This interface uses no endpoint
+ AUDControlInterfaceDescriptor_CLASS,
+ AUDControlInterfaceDescriptor_SUBCLASS,
+ AUDControlInterfaceDescriptor_PROTOCOL,
+ 0 // No string descriptor
+ },
+ // Audio control interface descriptors
+ {
+ // Header descriptor
+ {
+ {
+ sizeof(AUDHeaderDescriptor2),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_HEADER,
+ AUDHeaderDescriptor_AUD1_00,
+ sizeof(AUDDLoopRecDriverAudioControlDescriptors),
+ 2 // Two streaming interface
+ },
+ AUDDLoopRecDriverDescriptors_STREAMING,
+ AUDDLoopRecDriverDescriptors_STREAMINGIN
+ },
+ // Input terminal descriptor ( speaker )
+ {
+ sizeof(AUDInputTerminalDescriptor),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_INPUTTERMINAL,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL,
+ AUDInputTerminalDescriptor_USBSTREAMING,
+ AUDDLoopRecDriverDescriptors_OUTPUTTERMINAL,
+ AUDDLoopRecDriver_NUMCHANNELS,
+ #if AUDDLoopRecDriver_NUMCHANNELS > 1
+ AUDInputTerminalDescriptor_LEFTFRONT
+ | AUDInputTerminalDescriptor_RIGHTFRONT,
+ #else
+ 0, // Mono sets no position bits.
+ #endif
+ 0, // No string descriptor for channels
+ 0 // No string descriptor for input terminal
+ },
+ // Output terminal descriptor ( speaker )
+ {
+ sizeof(AUDOutputTerminalDescriptor),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_OUTPUTTERMINAL,
+ AUDDLoopRecDriverDescriptors_OUTPUTTERMINAL,
+ AUDOutputTerminalDescriptor_SPEAKER,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL,
+ AUDDLoopRecDriverDescriptors_FEATUREUNIT,
+ 0 // No string descriptor
+ },
+ // Feature unit descriptor ( speaker )
+ {
+ {
+ sizeof(AUDFeatureUnitDescriptor3),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_FEATUREUNIT,
+ AUDDLoopRecDriverDescriptors_FEATUREUNIT,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL,
+ 1, // 1 byte per channel for controls
+ },
+ {
+ AUDFeatureUnitDescriptor_MUTE, // Master channel controls
+ 0, // Right channel controls
+ 0 // Left channel controls
+ },
+ 0 // No string descriptor
+ },
+ // Input terminal descriptor ( speakerphone )
+ {
+ sizeof(AUDInputTerminalDescriptor),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_INPUTTERMINAL,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL_REC,
+ AUDInputTerminalDescriptor_SPEAKERPHONE,
+ AUDDLoopRecDriverDescriptors_OUTPUTTERMINAL_REC,
+ AUDDLoopRecDriver_NUMCHANNELS,
+ #if AUDDLoopRecDriver_NUMCHANNELS > 1
+ AUDInputTerminalDescriptor_LEFTFRONT
+ | AUDInputTerminalDescriptor_RIGHTFRONT,
+ #else
+ 0, // Mono sets no position bits.
+ #endif
+ 0, // No string descriptor for channels
+ 0 // No string descriptor for input terminal
+ },
+ // Output terminal descriptor ( speakerphone )
+ {
+ sizeof(AUDOutputTerminalDescriptor),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_OUTPUTTERMINAL,
+ AUDDLoopRecDriverDescriptors_OUTPUTTERMINAL_REC,
+ AUDOutputTerminalDescriptor_USBTREAMING,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL_REC,
+ AUDDLoopRecDriverDescriptors_FEATUREUNIT_REC,
+ 0 // No string descriptor
+ },
+ // Feature unit descriptor ( speakerphone )
+ {
+ {
+ sizeof(AUDFeatureUnitDescriptor3),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_FEATUREUNIT,
+ AUDDLoopRecDriverDescriptors_FEATUREUNIT_REC,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL_REC,
+ 1
+ },
+ {
+ AUDFeatureUnitDescriptor_MUTE, // Mic controls
+ 0,
+ 0
+ },
+ 0 // No string descriptor
+ }
+ },
+ // - AUIDO OUT
+ // Audio streaming interface with 0 endpoints
+ {
+ sizeof(USBInterfaceDescriptor),
+ USBGenericDescriptor_INTERFACE,
+ AUDDLoopRecDriverDescriptors_STREAMING,
+ 0, // This is alternate setting #0
+ 0, // This interface uses no endpoints
+ AUDStreamingInterfaceDescriptor_CLASS,
+ AUDStreamingInterfaceDescriptor_SUBCLASS,
+ AUDStreamingInterfaceDescriptor_PROTOCOL,
+ 0 // No string descriptor
+ },
+ // Audio streaming interface with data endpoint
+ {
+ sizeof(USBInterfaceDescriptor),
+ USBGenericDescriptor_INTERFACE,
+ AUDDLoopRecDriverDescriptors_STREAMING,
+ 1, // This is alternate setting #1
+ 1, // This interface uses 1 endpoint
+ AUDStreamingInterfaceDescriptor_CLASS,
+ AUDStreamingInterfaceDescriptor_SUBCLASS,
+ AUDStreamingInterfaceDescriptor_PROTOCOL,
+ 0 // No string descriptor
+ },
+ // Audio streaming class-specific descriptor
+ {
+ sizeof(AUDStreamingInterfaceDescriptor),
+ AUDGenericDescriptor_INTERFACE,
+ AUDStreamingInterfaceDescriptor_GENERAL,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL,
+ 0, // No internal delay because of data path
+ AUDFormatTypeOneDescriptor_PCM
+ },
+ // Format type I descriptor
+ {
+ {
+ sizeof(AUDFormatTypeOneDescriptor1),
+ AUDGenericDescriptor_INTERFACE,
+ AUDStreamingInterfaceDescriptor_FORMATTYPE,
+ AUDFormatTypeOneDescriptor_FORMATTYPEONE,
+ AUDDLoopRecDriver_NUMCHANNELS,
+ AUDDLoopRecDriver_BYTESPERSAMPLE,
+ AUDDLoopRecDriver_BYTESPERSAMPLE*8,
+ 1 // One discrete frequency supported
+ },
+ {
+ AUDDLoopRecDriver_SAMPLERATE & 0xFF,
+ (AUDDLoopRecDriver_SAMPLERATE >> 8) & 0xFF,
+ (AUDDLoopRecDriver_SAMPLERATE >> 16) & 0xFF
+ }
+ },
+ // Audio streaming endpoint standard descriptor
+ {
+ sizeof(AUDEndpointDescriptor),
+ USBGenericDescriptor_ENDPOINT,
+ USBEndpointDescriptor_ADDRESS(
+ USBEndpointDescriptor_OUT,
+ AUDDLoopRecDriverDescriptors_DATAOUT),
+ USBEndpointDescriptor_ISOCHRONOUS,
+ AUDDLoopRecDriver_BYTESPERFRAME,
+ AUDDLoopRecDriverDescriptors_FS_INTERVAL, // Polling interval = 1 ms
+ 0, // This is not a synchronization endpoint
+ 0 // No associated synchronization endpoint
+ },
+ // Audio streaming endpoint class-specific descriptor
+ {
+ sizeof(AUDDataEndpointDescriptor),
+ AUDGenericDescriptor_ENDPOINT,
+ AUDDataEndpointDescriptor_SUBTYPE,
+ 0, // No attributes
+ 0, // Endpoint is not synchronized
+ 0 // Endpoint is not synchronized
+ },
+ //- AUDIO IN
+ // Audio streaming interface with 0 endpoints
+ {
+ sizeof(USBInterfaceDescriptor),
+ USBGenericDescriptor_INTERFACE,
+ AUDDLoopRecDriverDescriptors_STREAMINGIN,
+ 0, // This is alternate setting #0
+ 0, // This interface uses no endpoints
+ AUDStreamingInterfaceDescriptor_CLASS,
+ AUDStreamingInterfaceDescriptor_SUBCLASS,
+ AUDStreamingInterfaceDescriptor_PROTOCOL,
+ 0 // No string descriptor
+ },
+ // Audio streaming interface with data endpoint
+ {
+ sizeof(USBInterfaceDescriptor),
+ USBGenericDescriptor_INTERFACE,
+ AUDDLoopRecDriverDescriptors_STREAMINGIN,
+ 1, // This is alternate setting #1
+ 1, // This interface uses 1 endpoint
+ AUDStreamingInterfaceDescriptor_CLASS,
+ AUDStreamingInterfaceDescriptor_SUBCLASS,
+ AUDStreamingInterfaceDescriptor_PROTOCOL,
+ 0 // No string descriptor
+ },
+ // Audio streaming class-specific descriptor
+ {
+ sizeof(AUDStreamingInterfaceDescriptor),
+ AUDGenericDescriptor_INTERFACE,
+ AUDStreamingInterfaceDescriptor_GENERAL,
+ AUDDLoopRecDriverDescriptors_OUTPUTTERMINAL_REC,
+ 0, // No internal delay because of data path
+ AUDFormatTypeOneDescriptor_PCM
+ },
+ // Format type I descriptor
+ {
+ {
+ sizeof(AUDFormatTypeOneDescriptor1),
+ AUDGenericDescriptor_INTERFACE,
+ AUDStreamingInterfaceDescriptor_FORMATTYPE,
+ AUDFormatTypeOneDescriptor_FORMATTYPEONE,
+ AUDDLoopRecDriver_NUMCHANNELS,
+ AUDDLoopRecDriver_BYTESPERSAMPLE,
+ AUDDLoopRecDriver_BYTESPERSAMPLE*8,
+ 1 // One discrete frequency supported
+ },
+ {
+ AUDDLoopRecDriver_SAMPLERATE & 0xFF,
+ (AUDDLoopRecDriver_SAMPLERATE >> 8) & 0xFF,
+ (AUDDLoopRecDriver_SAMPLERATE >> 16) & 0xFF
+ }
+ },
+ // Audio streaming endpoint standard descriptor
+ {
+ sizeof(AUDEndpointDescriptor),
+ USBGenericDescriptor_ENDPOINT,
+ USBEndpointDescriptor_ADDRESS(
+ USBEndpointDescriptor_IN,
+ AUDDLoopRecDriverDescriptors_DATAIN),
+ USBEndpointDescriptor_ISOCHRONOUS,
+ AUDDLoopRecDriver_BYTESPERFRAME,
+ AUDDLoopRecDriverDescriptors_FS_INTERVAL, // Polling interval = 1 ms
+ 0, // This is not a synchronization endpoint
+ 0 // No associated synchronization endpoint
+ },
+ // Audio streaming endpoint class-specific descriptor
+ {
+ sizeof(AUDDataEndpointDescriptor),
+ AUDGenericDescriptor_ENDPOINT,
+ AUDDataEndpointDescriptor_SUBTYPE,
+ 0, // No attributes
+ 0, // Endpoint is not synchronized
+ 0 // Endpoint is not synchronized
+ }
+};
+
+#endif // defined(CHIP_USB_UDPHS) || defined(CHIP_USB_OTGHS)
+
+/// FS Configuration descriptors for a USB Audio Loop Record driver.
+const AUDDLoopRecDriverConfigurationDescriptors fsConfigurationDescriptors = {
+
+ // Configuration descriptor
+ {
+ sizeof(USBConfigurationDescriptor),
+ USBGenericDescriptor_CONFIGURATION,
+ sizeof(AUDDLoopRecDriverConfigurationDescriptors),
+ 3, // This configuration has 3 interfaces
+ 1, // This is configuration #1
+ 0, // No string descriptor
+ BOARD_USB_BMATTRIBUTES,
+ USBConfigurationDescriptor_POWER(100)
+ },
+ // Audio control interface standard descriptor
+ {
+ sizeof(USBInterfaceDescriptor),
+ USBGenericDescriptor_INTERFACE,
+ AUDDLoopRecDriverDescriptors_CONTROL,
+ 0, // This is alternate setting #0
+ 0, // This interface uses no endpoint
+ AUDControlInterfaceDescriptor_CLASS,
+ AUDControlInterfaceDescriptor_SUBCLASS,
+ AUDControlInterfaceDescriptor_PROTOCOL,
+ 0 // No string descriptor
+ },
+ // Audio control interface descriptors
+ {
+ // Header descriptor
+ {
+ {
+ sizeof(AUDHeaderDescriptor2),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_HEADER,
+ AUDHeaderDescriptor_AUD1_00,
+ sizeof(AUDDLoopRecDriverAudioControlDescriptors),
+ 2 // Two streaming interface
+ },
+ AUDDLoopRecDriverDescriptors_STREAMING,
+ AUDDLoopRecDriverDescriptors_STREAMINGIN
+ },
+ // Input terminal descriptor ( speaker )
+ {
+ sizeof(AUDInputTerminalDescriptor),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_INPUTTERMINAL,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL,
+ AUDInputTerminalDescriptor_USBSTREAMING,
+ AUDDLoopRecDriverDescriptors_OUTPUTTERMINAL,
+ AUDDLoopRecDriver_NUMCHANNELS,
+ #if AUDDLoopRecDriver_NUMCHANNELS > 1
+ AUDInputTerminalDescriptor_LEFTFRONT
+ | AUDInputTerminalDescriptor_RIGHTFRONT,
+ #else
+ 0, // Mono sets no position bits.
+ #endif
+ 0, // No string descriptor for channels
+ 0 // No string descriptor for input terminal
+ },
+ // Output terminal descriptor ( speaker )
+ {
+ sizeof(AUDOutputTerminalDescriptor),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_OUTPUTTERMINAL,
+ AUDDLoopRecDriverDescriptors_OUTPUTTERMINAL,
+ AUDOutputTerminalDescriptor_SPEAKER,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL,
+ AUDDLoopRecDriverDescriptors_FEATUREUNIT,
+ 0 // No string descriptor
+ },
+ // Feature unit descriptor ( speaker )
+ {
+ {
+ sizeof(AUDFeatureUnitDescriptor3),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_FEATUREUNIT,
+ AUDDLoopRecDriverDescriptors_FEATUREUNIT,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL,
+ 1, // 1 byte per channel for controls
+ },
+ {
+ AUDFeatureUnitDescriptor_MUTE, // Master channel controls
+ 0, // Right channel controls
+ 0 // Left channel controls
+ },
+ 0 // No string descriptor
+ },
+ // Input terminal descriptor ( speakerphone )
+ {
+ sizeof(AUDInputTerminalDescriptor),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_INPUTTERMINAL,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL_REC,
+ AUDInputTerminalDescriptor_SPEAKERPHONE,
+ AUDDLoopRecDriverDescriptors_OUTPUTTERMINAL_REC,
+ AUDDLoopRecDriver_NUMCHANNELS,
+ #if AUDDLoopRecDriver_NUMCHANNELS > 1
+ AUDInputTerminalDescriptor_LEFTFRONT
+ | AUDInputTerminalDescriptor_RIGHTFRONT,
+ #else
+ 0, // Mono sets no position bits.
+ #endif
+ 0, // No string descriptor for channels
+ 0 // No string descriptor for input terminal
+ },
+ // Output terminal descriptor ( speakerphone )
+ {
+ sizeof(AUDOutputTerminalDescriptor),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_OUTPUTTERMINAL,
+ AUDDLoopRecDriverDescriptors_OUTPUTTERMINAL_REC,
+ AUDOutputTerminalDescriptor_USBTREAMING,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL_REC,
+ AUDDLoopRecDriverDescriptors_FEATUREUNIT_REC,
+ 0 // No string descriptor
+ },
+ // Feature unit descriptor ( speakerphone )
+ {
+ {
+ sizeof(AUDFeatureUnitDescriptor3),
+ AUDGenericDescriptor_INTERFACE,
+ AUDGenericDescriptor_FEATUREUNIT,
+ AUDDLoopRecDriverDescriptors_FEATUREUNIT_REC,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL_REC,
+ 1
+ },
+ {
+ AUDFeatureUnitDescriptor_MUTE, // Mic controls
+ 0,
+ 0
+ },
+ 0 // No string descriptor
+ }
+ },
+ // - AUIDO OUT
+ // Audio streaming interface with 0 endpoints
+ {
+ sizeof(USBInterfaceDescriptor),
+ USBGenericDescriptor_INTERFACE,
+ AUDDLoopRecDriverDescriptors_STREAMING,
+ 0, // This is alternate setting #0
+ 0, // This interface uses no endpoints
+ AUDStreamingInterfaceDescriptor_CLASS,
+ AUDStreamingInterfaceDescriptor_SUBCLASS,
+ AUDStreamingInterfaceDescriptor_PROTOCOL,
+ 0 // No string descriptor
+ },
+ // Audio streaming interface with data endpoint
+ {
+ sizeof(USBInterfaceDescriptor),
+ USBGenericDescriptor_INTERFACE,
+ AUDDLoopRecDriverDescriptors_STREAMING,
+ 1, // This is alternate setting #1
+ 1, // This interface uses 1 endpoint
+ AUDStreamingInterfaceDescriptor_CLASS,
+ AUDStreamingInterfaceDescriptor_SUBCLASS,
+ AUDStreamingInterfaceDescriptor_PROTOCOL,
+ 0 // No string descriptor
+ },
+ // Audio streaming class-specific descriptor
+ {
+ sizeof(AUDStreamingInterfaceDescriptor),
+ AUDGenericDescriptor_INTERFACE,
+ AUDStreamingInterfaceDescriptor_GENERAL,
+ AUDDLoopRecDriverDescriptors_INPUTTERMINAL,
+ 0, // No internal delay because of data path
+ AUDFormatTypeOneDescriptor_PCM
+ },
+ // Format type I descriptor
+ {
+ {
+ sizeof(AUDFormatTypeOneDescriptor1),
+ AUDGenericDescriptor_INTERFACE,
+ AUDStreamingInterfaceDescriptor_FORMATTYPE,
+ AUDFormatTypeOneDescriptor_FORMATTYPEONE,
+ AUDDLoopRecDriver_NUMCHANNELS,
+ AUDDLoopRecDriver_BYTESPERSAMPLE,
+ AUDDLoopRecDriver_BYTESPERSAMPLE*8,
+ 1 // One discrete frequency supported
+ },
+ {
+ AUDDLoopRecDriver_SAMPLERATE & 0xFF,
+ (AUDDLoopRecDriver_SAMPLERATE >> 8) & 0xFF,
+ (AUDDLoopRecDriver_SAMPLERATE >> 16) & 0xFF
+ }
+ },
+ // Audio streaming endpoint standard descriptor
+ {
+ sizeof(AUDEndpointDescriptor),
+ USBGenericDescriptor_ENDPOINT,
+ USBEndpointDescriptor_ADDRESS(
+ USBEndpointDescriptor_OUT,
+ AUDDLoopRecDriverDescriptors_DATAOUT),
+ USBEndpointDescriptor_ISOCHRONOUS,
+ AUDDLoopRecDriver_BYTESPERFRAME,
+ AUDDLoopRecDriverDescriptors_FS_INTERVAL, // Polling interval = 1 ms
+ 0, // This is not a synchronization endpoint
+ 0 // No associated synchronization endpoint
+ },
+ // Audio streaming endpoint class-specific descriptor
+ {
+ sizeof(AUDDataEndpointDescriptor),
+ AUDGenericDescriptor_ENDPOINT,
+ AUDDataEndpointDescriptor_SUBTYPE,
+ 0, // No attributes
+ 0, // Endpoint is not synchronized
+ 0 // Endpoint is not synchronized
+ },
+ //- AUDIO IN
+ // Audio streaming interface with 0 endpoints
+ {
+ sizeof(USBInterfaceDescriptor),
+ USBGenericDescriptor_INTERFACE,
+ AUDDLoopRecDriverDescriptors_STREAMINGIN,
+ 0, // This is alternate setting #0
+ 0, // This interface uses no endpoints
+ AUDStreamingInterfaceDescriptor_CLASS,
+ AUDStreamingInterfaceDescriptor_SUBCLASS,
+ AUDStreamingInterfaceDescriptor_PROTOCOL,
+ 0 // No string descriptor
+ },
+ // Audio streaming interface with data endpoint
+ {
+ sizeof(USBInterfaceDescriptor),
+ USBGenericDescriptor_INTERFACE,
+ AUDDLoopRecDriverDescriptors_STREAMINGIN,
+ 1, // This is alternate setting #1
+ 1, // This interface uses 1 endpoint
+ AUDStreamingInterfaceDescriptor_CLASS,
+ AUDStreamingInterfaceDescriptor_SUBCLASS,
+ AUDStreamingInterfaceDescriptor_PROTOCOL,
+ 0 // No string descriptor
+ },
+ // Audio streaming class-specific descriptor
+ {
+ sizeof(AUDStreamingInterfaceDescriptor),
+ AUDGenericDescriptor_INTERFACE,
+ AUDStreamingInterfaceDescriptor_GENERAL,
+ AUDDLoopRecDriverDescriptors_OUTPUTTERMINAL_REC,
+ 0, // No internal delay because of data path
+ AUDFormatTypeOneDescriptor_PCM
+ },
+ // Format type I descriptor
+ {
+ {
+ sizeof(AUDFormatTypeOneDescriptor1),
+ AUDGenericDescriptor_INTERFACE,
+ AUDStreamingInterfaceDescriptor_FORMATTYPE,
+ AUDFormatTypeOneDescriptor_FORMATTYPEONE,
+ AUDDLoopRecDriver_NUMCHANNELS,
+ AUDDLoopRecDriver_BYTESPERSAMPLE,
+ AUDDLoopRecDriver_BYTESPERSAMPLE*8,
+ 1 // One discrete frequency supported
+ },
+ {
+ AUDDLoopRecDriver_SAMPLERATE & 0xFF,
+ (AUDDLoopRecDriver_SAMPLERATE >> 8) & 0xFF,
+ (AUDDLoopRecDriver_SAMPLERATE >> 16) & 0xFF
+ }
+ },
+ // Audio streaming endpoint standard descriptor
+ {
+ sizeof(AUDEndpointDescriptor),
+ USBGenericDescriptor_ENDPOINT,
+ USBEndpointDescriptor_ADDRESS(
+ USBEndpointDescriptor_IN,
+ AUDDLoopRecDriverDescriptors_DATAIN),
+ USBEndpointDescriptor_ISOCHRONOUS,
+ AUDDLoopRecDriver_BYTESPERFRAME,
+ AUDDLoopRecDriverDescriptors_FS_INTERVAL, // Polling interval = 1 ms
+ 0, // This is not a synchronization endpoint
+ 0 // No associated synchronization endpoint
+ },
+ // Audio streaming endpoint class-specific descriptor
+ {
+ sizeof(AUDDataEndpointDescriptor),
+ AUDGenericDescriptor_ENDPOINT,
+ AUDDataEndpointDescriptor_SUBTYPE,
+ 0, // No attributes
+ 0, // Endpoint is not synchronized
+ 0 // Endpoint is not synchronized
+ }
+};
+
+/// String descriptor with the supported languages.
+const unsigned char languageIdDescriptor[] = {
+
+ USBStringDescriptor_LENGTH(1),
+ USBGenericDescriptor_STRING,
+ USBStringDescriptor_ENGLISH_US
+};
+
+/// Manufacturer name.
+const unsigned char manufacturerDescriptor[] = {
+
+ USBStringDescriptor_LENGTH(8),
+ USBGenericDescriptor_STRING,
+ USBStringDescriptor_UNICODE('s'),
+ USBStringDescriptor_UNICODE('y'),
+ USBStringDescriptor_UNICODE('s'),
+ USBStringDescriptor_UNICODE('m'),
+ USBStringDescriptor_UNICODE('o'),
+ USBStringDescriptor_UNICODE('c'),
+ USBStringDescriptor_UNICODE('o'),
+ USBStringDescriptor_UNICODE('m'),
+};
+
+/// Product name.
+const unsigned char productDescriptor[] = {
+
+ USBStringDescriptor_LENGTH(7),
+ USBGenericDescriptor_STRING,
+ USBStringDescriptor_UNICODE('O'),
+ USBStringDescriptor_UNICODE('s'),
+ USBStringDescriptor_UNICODE('m'),
+ USBStringDescriptor_UNICODE('o'),
+ USBStringDescriptor_UNICODE('S'),
+ USBStringDescriptor_UNICODE('D'),
+ USBStringDescriptor_UNICODE('R'),
+};
+
+/// Product serial number.
+const unsigned char serialNumberDescriptor[] = {
+
+ USBStringDescriptor_LENGTH(4),
+ USBGenericDescriptor_STRING,
+ USBStringDescriptor_UNICODE('0'),
+ USBStringDescriptor_UNICODE('1'),
+ USBStringDescriptor_UNICODE('2'),
+ USBStringDescriptor_UNICODE('3')
+};
+
+/// Array of pointers to the four string descriptors.
+const unsigned char *stringDescriptors[] = {
+
+ languageIdDescriptor,
+ manufacturerDescriptor,
+ productDescriptor,
+ serialNumberDescriptor,
+};
+
+//------------------------------------------------------------------------------
+// Exported functions
+//------------------------------------------------------------------------------
+
+/// List of descriptors required by an USB Audio Loop Recorder device driver.
+const USBDDriverDescriptors auddFastSourceDriverDescriptors = {
+
+ &deviceDescriptor,
+ (const USBConfigurationDescriptor *) &fsConfigurationDescriptors,
+#if defined (CHIP_USB_UDPHS) || defined(CHIP_USB_OTGHS)
+ &qualifierDescriptor,
+ (const USBConfigurationDescriptor *) &fsOtherSpeedConfigurationDescriptors,
+ &deviceDescriptor,
+ (const USBConfigurationDescriptor *) &hsConfigurationDescriptors,
+ &qualifierDescriptor,
+ (const USBConfigurationDescriptor *) &hsOtherSpeedConfigurationDescriptors,
+#else
+ 0, 0, 0, 0, 0, 0,
+#endif
+ stringDescriptors,
+ 4 // Number of string descriptors
+};
+
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