diff options
| author | Harald Welte <laforge@gnumonks.org> | 2011-12-01 22:54:21 +0100 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2011-12-01 22:54:21 +0100 |
| commit | 8ed7d596716686883b5baaba60d7f764791c904e (patch) | |
| tree | 8360159c2fa0a3f27051ca2ce9ab8262a37f6aab /usb-fast-audio-source | |
| parent | 1a23c27e71edc61acb2425f237a14ca0f90e7a5e (diff) | |
initial checkin of non-complete 'fast usb audio source' test program
the idea is to explore how various OSs USB-Audio drivers react if you
present them with an audio device of 512kHz or 1MHz sampling freq.
Diffstat (limited to 'usb-fast-audio-source')
| -rw-r--r-- | usb-fast-audio-source/AUDDFastSourceDescriptors.c | 1455 | ||||
| -rw-r--r-- | usb-fast-audio-source/AUDDFastSourceDescriptors.h | 149 | ||||
| -rw-r--r-- | usb-fast-audio-source/Makefile | 239 | ||||
| -rw-r--r-- | usb-fast-audio-source/bin/.empty_dir | 0 | ||||
| -rw-r--r-- | usb-fast-audio-source/fast_source.c | 140 | ||||
| -rw-r--r-- | usb-fast-audio-source/fast_source.h | 18 | ||||
| -rw-r--r-- | usb-fast-audio-source/main.c | 340 | ||||
| -rw-r--r-- | usb-fast-audio-source/obj/.empty_dir | 0 |
8 files changed, 2341 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
+};
+
diff --git a/usb-fast-audio-source/AUDDFastSourceDescriptors.h b/usb-fast-audio-source/AUDDFastSourceDescriptors.h new file mode 100644 index 0000000..ab25f49 --- /dev/null +++ b/usb-fast-audio-source/AUDDFastSourceDescriptors.h @@ -0,0 +1,149 @@ +/* ----------------------------------------------------------------------------
+ * 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.
+ * ----------------------------------------------------------------------------
+ */
+
+/**
+ \unit
+
+ !!!Purpose
+
+ Declaration of the descriptors required by a USB audio speaker driver.
+
+ !!!Usage
+
+ -# Initialize a USBDDriver instance using the
+ auddSpeakerDriverDescriptors list.
+*/
+
+#ifndef AUDDLOOPRECDESCRIPTORS_H
+#define AUDDLOOPRECDESCRIPTORS_H
+
+//------------------------------------------------------------------------------
+// Headers
+//------------------------------------------------------------------------------
+
+#include <board.h>
+#include <fast_source.h>
+#include <usb/device/core/USBDDriverDescriptors.h>
+
+//------------------------------------------------------------------------------
+// Definitions
+//------------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+/// \page "Audio Speaker Endpoint Numbers"
+///
+/// This page lists the endpoint number settings for USB Audio Speaker device.
+///
+/// !Endpoints
+/// - AUDDLoopRecDriverDescriptors_DATAOUT
+/// - AUDDLoopRecDriverDescriptors_DATAIN
+/// - AUDDLoopRecDriverDescriptors_HS_INTERVAL
+/// - AUDDLoopRecDriverDescriptors_FS_INTERVAL
+
+#if defined(at91sam7s) || defined(at91sam9xe)
+ /// Data out endpoint number, size 64B.
+ #define AUDDLoopRecDriverDescriptors_DATAOUT 0x01
+ /// Data in endpoint number, size 64B
+ #define AUDDLoopRecDriverDescriptors_DATAIN 0x02
+#elif defined(CHIP_USB_UDP)
+ /// Data out endpoint number, size 192B.
+ #define AUDDLoopRecDriverDescriptors_DATAOUT 0x04
+ /// Data in endpoint number, size 192B.
+ #define AUDDLoopRecDriverDescriptors_DATAIN 0x05
+#elif defined(at91sam9m10ek) || defined(at91sam9m10ekes)
+ /// Data out endpoint number, size 192B.
+ #define AUDDLoopRecDriverDescriptors_DATAOUT 0x01
+ /// Data in endpoint number, size 192B
+ #define AUDDLoopRecDriverDescriptors_DATAIN 0x06
+#else
+ /// Data out endpoint number, size 192B.
+ #define AUDDLoopRecDriverDescriptors_DATAOUT 0x05
+ /// Data in endpoint number, size 192B
+ #define AUDDLoopRecDriverDescriptors_DATAIN 0x06
+#endif
+
+/// Endpoint polling interval 2^(x-1) * 125us
+#define AUDDLoopRecDriverDescriptors_HS_INTERVAL 0x04
+/// Endpoint polling interval 2^(x-1) * ms
+#define AUDDLoopRecDriverDescriptors_FS_INTERVAL 0x01
+//------------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+/// \page "Audio Speaker Interface IDs"
+///
+/// This page lists the interface numbers for USB Audio Speaker device.
+///
+/// !Interfaces
+/// - AUDDLoopRecDriverDescriptors_CONTROL
+/// - AUDDLoopRecDriverDescriptors_STREAMING
+/// - AUDDLoopRecDriverDescriptors_STREAMINGIN
+
+/// Audio control interface ID.
+#define AUDDLoopRecDriverDescriptors_CONTROL 0
+/// Audio streaming interface ID (OUT, for playback).
+#define AUDDLoopRecDriverDescriptors_STREAMING 1
+/// Audio streaming interface ID (IN, for record).
+#define AUDDLoopRecDriverDescriptors_STREAMINGIN 2
+//------------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+/// \page "Audio Speaker Entity IDs"
+///
+/// This page lists the entity IDs for USB Audio Speaker device.
+///
+/// !Entities
+/// - AUDDLoopRecDriverDescriptors_INPUTTERMINAL
+/// - AUDDLoopRecDriverDescriptors_OUTPUTTERMINAL
+/// - AUDDLoopRecDriverDescriptors_FEATUREUNIT
+/// - AUDDLoopRecDriverDescriptors_INPUTTERMINAL_REC
+/// - AUDDLoopRecDriverDescriptors_OUTPUTTERMINAL_REC
+/// - AUDDLoopRecDriverDescriptors_FEATUREUNIT_REC
+
+/// Playback input terminal ID.
+#define AUDDLoopRecDriverDescriptors_INPUTTERMINAL 0
+/// Playback output terminal ID.
+#define AUDDLoopRecDriverDescriptors_OUTPUTTERMINAL 1
+/// Playback feature unit ID.
+#define AUDDLoopRecDriverDescriptors_FEATUREUNIT 2
+/// Record input terminal ID.
+#define AUDDLoopRecDriverDescriptors_INPUTTERMINAL_REC 3
+/// Record output terminal ID.
+#define AUDDLoopRecDriverDescriptors_OUTPUTTERMINAL_REC 4
+/// Record feature unit ID
+#define AUDDLoopRecDriverDescriptors_FEATUREUNIT_REC 5
+//------------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+// Exported variables
+//------------------------------------------------------------------------------
+
+extern const USBDDriverDescriptors auddLoopRecDriverDescriptors;
+
+#endif //#ifndef AUDDLOOPRECDESCRIPTORS_H
+
diff --git a/usb-fast-audio-source/Makefile b/usb-fast-audio-source/Makefile new file mode 100644 index 0000000..38ea27d --- /dev/null +++ b/usb-fast-audio-source/Makefile @@ -0,0 +1,239 @@ +# ----------------------------------------------------------------------------
+# 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.
+# ----------------------------------------------------------------------------
+
+# Makefile for compiling the usb-device-core-project project
+
+#-------------------------------------------------------------------------------
+# User-modifiable options
+#-------------------------------------------------------------------------------
+
+# Chip & board used for compilation
+# (can be overriden by adding CHIP=chip and BOARD=board to the command-line)
+CHIP = at91sam3u4 +BOARD = at91sam3u-ek
+
+# Trace level used for compilation
+# (can be overriden by adding TRACE_LEVEL=#number to the command-line)
+# TRACE_LEVEL_DEBUG 5
+# TRACE_LEVEL_INFO 4
+# TRACE_LEVEL_WARNING 3
+# TRACE_LEVEL_ERROR 2
+# TRACE_LEVEL_FATAL 1
+# TRACE_LEVEL_NO_TRACE 0
+TRACE_LEVEL = 5
+
+# Optimization level, put in comment for debugging
+OPTIMIZATION = -Os
+
+# AT91 library directory
+AT91LIB = ../../at91lib
+
+# External library
+EXT_LIBS= ../external_libs
+
+# Output file basename
+OUTPUT = usb-fast-source-$(BOARD)-$(CHIP)
+
+# Compile with chip specific features
+include $(AT91LIB)/boards/$(BOARD)/$(CHIP)/chip.mak
+
+# Compile for all memories available on the board (this sets $(MEMORIES))
+include $(AT91LIB)/boards/$(BOARD)/board.mak
+
+# Output directories
+BIN = bin
+OBJ = obj
+
+#-------------------------------------------------------------------------------
+# Tools
+#-------------------------------------------------------------------------------
+
+# Tool suffix when cross-compiling
+CROSS_COMPILE = arm-none-eabi-
+
+# Compilation tools
+CC = $(CROSS_COMPILE)gcc
+SIZE = $(CROSS_COMPILE)size
+STRIP = $(CROSS_COMPILE)strip
+OBJCOPY = $(CROSS_COMPILE)objcopy
+
+# Flags
+INCLUDES += -I$(AT91LIB)/boards/$(BOARD)
+INCLUDES += -I$(AT91LIB)/peripherals
+INCLUDES += -I$(AT91LIB)/components
+INCLUDES += -I$(AT91LIB)/drivers +INCLUDES += -I$(AT91LIB)
+INCLUDES += -I$(EXT_LIBS)
+INCLUDES += -I$(EXT_LIBS)/cmsis
+INCLUDES += -I. +
+ifeq ($(CHIP_CORE), cortexm3)
+TARGET_OPTS = -mcpu=cortex-m3 -mthumb
+else
+TARGET_OPTS =
+endif
+
+CFLAGS += $(TARGET_OPTS)
+CFLAGS += -Wall -mlong-calls -ffunction-sections
+CFLAGS += -g $(OPTIMIZATION) $(INCLUDES) -D$(CHIP) -DTRACE_LEVEL=$(TRACE_LEVEL)
+ASFLAGS = $(TARGET_OPTS) -Wall -g $(OPTIMIZATION) $(INCLUDES) -D$(CHIP) -D__ASSEMBLY__
+LDFLAGS = -g $(OPTIMIZATION) -nostartfiles $(TARGET_OPTS) -Wl,--gc-sections
+
+#-------------------------------------------------------------------------------
+# Files
+#-------------------------------------------------------------------------------
+
+# Directories where source files can be found
+PERIPH = $(AT91LIB)/peripherals
+BOARDS = $(AT91LIB)/boards
+UTILITY = $(AT91LIB)/utility
+COMP = $(AT91LIB)/components +DRIVER = $(AT91LIB)/drivers +USB = $(AT91LIB)/usb
+
+VPATH += $(UTILITY) +VPATH += $(PERIPH)/dbgu
+VPATH += $(PERIPH)/pio
+VPATH += $(PERIPH)/irq
+VPATH += $(PERIPH)/ssc
+VPATH += $(PERIPH)/twi
+VPATH += $(PERIPH)/pmc
+VPATH += $(PERIPH)/cp15
+VPATH += $(BOARDS)/$(BOARD)
+VPATH += $(BOARDS)/$(BOARD)/$(CHIP)
+VPATH += $(DRIVER)/twi +VPATH += $(PERIPH)/mci +VPATH += $(PERIPH)/dma +VPATH += $(DRIVER)/dmad +VPATH += $(EXT_LIBS)/cmsis
+ +VPATH += $(USB)/device/core
+VPATH += $(USB)/common/core
+VPATH += $(USB)/common/audio +
+# Objects built from C source files
+C_OBJECTS += main.o
+C_OBJECTS += USBD_UDPHS.o
+C_OBJECTS += USBDDriver.o
+C_OBJECTS += USBDCallbacks_Initialized.o
+C_OBJECTS += USBDCallbacks_Reset.o
+#C_OBJECTS += USBDCallbacks_Resumed.o
+#C_OBJECTS += USBDCallbacks_Suspended.o
+C_OBJECTS += USBDDriverCb_CfgChanged.o
+#C_OBJECTS += USBDDriverCb_IfSettingChanged.o
+C_OBJECTS += USBInterfaceRequest.o
+C_OBJECTS += USBFeatureRequest.o
+C_OBJECTS += USBGenericRequest.o
+C_OBJECTS += USBGetDescriptorRequest.o
+C_OBJECTS += USBSetAddressRequest.o
+C_OBJECTS += USBSetConfigurationRequest.o
+C_OBJECTS += USBGenericDescriptor.o
+C_OBJECTS += USBConfigurationDescriptor.o
+C_OBJECTS += USBEndpointDescriptor.o
+C_OBJECTS += dbgu.o
+C_OBJECTS += pio.o
+C_OBJECTS += pio_it.o
+C_OBJECTS += ssc.o +C_OBJECTS += twi.o
+C_OBJECTS += pmc.o
+C_OBJECTS += led.o
+C_OBJECTS += twid.o
+C_OBJECTS += string.o
+C_OBJECTS += stdio.o
+C_OBJECTS += math.o +C_OBJECTS += trace.o +C_OBJECTS += board_memories.o
+C_OBJECTS += board_lowlevel.o
+ +C_OBJECTS += AUDGenericRequest.o AUDFeatureUnitRequest.o + +C_OBJECTS += AUDDFastSourceDescriptors.o fast_source.o + +
+# Objects for different chips
+ifeq ($(CHIP_CORE), cortexm3)
+C_OBJECTS += nvic.o
+C_OBJECTS += exceptions.o
+C_OBJECTS += board_cstartup_gnu.o
+C_OBJECTS += core_cm3.o
+else
+C_OBJECTS += aic.o
+C_OBJECTS += cp15.o
+endif
+ +ifeq ($(CHIP_IP_MCI), MCI_DMA) +C_OBJECTS += dmad.o +C_OBJECTS += dma.o +C_OBJECTS += mci_hs.o +else +C_OBJECTS += mci.o +endif +
+# Objects built from Assembly source files
+ifneq ($(CHIP_CORE), cortexm3)
+ASM_OBJECTS += board_cstartup.o
+ASM_OBJECTS += cp15_asm.o
+endif
+
+# Append OBJ and BIN directories to output filename
+OUTPUT := $(BIN)/$(OUTPUT)
+
+#-------------------------------------------------------------------------------
+# Rules
+#-------------------------------------------------------------------------------
+
+all: $(BIN) $(OBJ) $(MEMORIES)
+
+$(BIN) $(OBJ):
+ mkdir $@
+
+define RULES
+C_OBJECTS_$(1) = $(addprefix $(OBJ)/$(1)_, $(C_OBJECTS))
+ASM_OBJECTS_$(1) = $(addprefix $(OBJ)/$(1)_, $(ASM_OBJECTS))
+
+$(1): $$(ASM_OBJECTS_$(1)) $$(C_OBJECTS_$(1))
+ $(CC) $(LDFLAGS) -T"$(AT91LIB)/boards/$(BOARD)/$(CHIP)/$$@.lds" -o $(OUTPUT)-$$@.elf $$^
+ $(OBJCOPY) -O binary $(OUTPUT)-$$@.elf $(OUTPUT)-$$@.bin
+ $(SIZE) $$^ $(OUTPUT)-$$@.elf
+
+$$(C_OBJECTS_$(1)): $(OBJ)/$(1)_%.o: %.c Makefile $(OBJ) $(BIN)
+ $(CC) $(CFLAGS) -D$(1) -c -o $$@ $$<
+
+$$(ASM_OBJECTS_$(1)): $(OBJ)/$(1)_%.o: %.S Makefile $(OBJ) $(BIN)
+ $(CC) $(ASFLAGS) -D$(1) -c -o $$@ $$<
+
+debug_$(1): $(1)
+ perl ../resources/gdb/debug.pl $(OUTPUT)-$(1).elf
+
+endef
+
+$(foreach MEMORY, $(MEMORIES), $(eval $(call RULES,$(MEMORY))))
+
+clean:
+ -rm -f $(OBJ)/*.o $(BIN)/*.bin $(BIN)/*.elf
+
diff --git a/usb-fast-audio-source/bin/.empty_dir b/usb-fast-audio-source/bin/.empty_dir new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/usb-fast-audio-source/bin/.empty_dir diff --git a/usb-fast-audio-source/fast_source.c b/usb-fast-audio-source/fast_source.c new file mode 100644 index 0000000..7d20c7e --- /dev/null +++ b/usb-fast-audio-source/fast_source.c @@ -0,0 +1,140 @@ +#include <stdlib.h> +#include <stdint.h> +#include <board.h> +#include <utility/trace.h> +#include <utility/led.h> + +#include <usb/common/core/USBGenericRequest.h> +#include <usb/device/core/USBD.h> +#include <usb/device/core/USBDDriver.h> +#include <usb/device/core/USBDDriverDescriptors.h> +#include <usb/device/core/USBDCallbacks.h> +#include <usb/common/audio/AUDGenericRequest.h> +#include <usb/common/audio/AUDFeatureUnitRequest.h> + +#include <AUDDFastSourceDescriptors.h> +#include <fast_source.h> + +extern const USBDDriverDescriptors auddFastSourceDriverDescriptors; +static unsigned char driver_interfaces[3]; +static USBDDriver fast_source_driver; + +/* callback */ +void USBDCallbacks_RequestReceived(const USBGenericRequest *request) +{ + fastsource_req_hdlr(request); +} + +void USBDDriverCallbacks_InterfaceSettingChanged(unsigned char interface, + unsigned char setting) +{ + if ((interface == AUDDLoopRecDriverDescriptors_STREAMING) + && (setting == 0)) + LED_Clear(USBD_LEDOTHER); + else + LED_Set(USBD_LEDOTHER); +} + +static void fastsource_get_feat_cur_val(uint8_t entity, uint8_t channel, + uint8_t control, uint8_t length) +{ + /* FIXME */ + USBD_Stall(0); +} + +static void fastsource_set_feat_cur_val(uint8_t entity, uint8_t channel, + uint8_t control, uint8_t length) +{ + /* FIXME */ + USBD_Stall(0); +} + +void fastsource_req_hdlr(const USBGenericRequest *request) +{ + unsigned char entity; + unsigned char interface; + + switch (USBGenericRequest_GetType(request)) { + case USBGenericRequest_STANDARD: + USBDDriver_RequestHandler(&fast_source_driver, request); + return; + case USBGenericRequest_CLASS: + /* continue below */ + break; + default: + TRACE_WARNING("Unsupported request type %u\n\r", + USBGenericRequest_GetType(request)); + USBD_Stall(0); + return; + } + + switch (USBGenericRequest_GetRequest(request)) { + case AUDGenericRequest_SETCUR: + entity = AUDGenericRequest_GetEntity(request); + interface = AUDGenericRequest_GetInterface(request); + if (((entity == AUDDLoopRecDriverDescriptors_FEATUREUNIT) || + (entity == AUDDLoopRecDriverDescriptors_FEATUREUNIT_REC)) && + (interface == AUDDLoopRecDriverDescriptors_CONTROL)) { + fastsource_set_feat_cur_val(entity, + AUDFeatureUnitRequest_GetChannel(request), + AUDFeatureUnitRequest_GetControl(request), + USBGenericRequest_GetLength(request)); + } else { + TRACE_WARNING("Unsupported entity/interface combination 0x%04x\n\r", + USBGenericRequest_GetIndex(request)); + USBD_Stall(0); + } + break; + case AUDGenericRequest_GETCUR: + entity = AUDGenericRequest_GetEntity(request); + interface = AUDGenericRequest_GetInterface(request); + if (((entity == AUDDLoopRecDriverDescriptors_FEATUREUNIT) || + (entity == AUDDLoopRecDriverDescriptors_FEATUREUNIT_REC)) && + (interface == AUDDLoopRecDriverDescriptors_CONTROL)) { + fastsource_get_feat_cur_val(entity, + AUDFeatureUnitRequest_GetChannel(request), + AUDFeatureUnitRequest_GetControl(request), + USBGenericRequest_GetLength(request)); + } else { + TRACE_WARNING("Unsupported entity/interface combination 0x%04x\n\r", + USBGenericRequest_GetIndex(request)); + USBD_Stall(0); + } + break; + default: + TRACE_WARNING("Unsupported request %u\n\r", + USBGenericRequest_GetIndex(request)); + USBD_Stall(0); + break; + } +} + +void fastsource_init(void) +{ + USBDDriver_Initialize(&fast_source_driver, &auddFastSourceDriverDescriptors, + driver_interfaces); + + USBD_Init(); +} + +const uint8_t test_data[2048]; + +static void wr_compl_cb(void *arg, unsigned char status, unsigned int transferred, + unsigned int remain) +{ + uint8_t epnr = (uint8_t) arg; + + if (status == 0 && remain == 0) { + fastsource_start(epnr); + } else { + printf("Err: EP%u wr_compl, status 0x%02u, xfr %u, remain %u\r\n", + epnr, status, transferred, remain); + } +} + +void fastsource_start(uint8_t epnr) +{ + USBD_Write(epnr, &test_data, sizeof(test_data), wr_compl_cb, (void *) epnr); +} + + diff --git a/usb-fast-audio-source/fast_source.h b/usb-fast-audio-source/fast_source.h new file mode 100644 index 0000000..1fc0b2b --- /dev/null +++ b/usb-fast-audio-source/fast_source.h @@ -0,0 +1,18 @@ + +#include <stdint.h> + +#define AUDDLoopRecDriver_SAMPLERATE 512000 +#define AUDDLoopRecDriver_NUMCHANNELS 2 +#define AUDDLoopRecDriver_BYTESPERSAMPLE 2 + +#define AUDDLoopRecDriver_SAMPLESPERFRAME (AUDDLoopRecDriver_SAMPLERATE / 16384 \ + * AUDDLoopRecDriver_NUMCHANNELS) + +#define AUDDLoopRecDriver_BYTESPERFRAME (AUDDLoopRecDriver_SAMPLESPERFRAME * \ + AUDDLoopRecDriver_BYTESPERSAMPLE) + +#include <usb/common/core/USBGenericRequest.h> + +void fastsource_init(void); +void fastsource_start(uint8_t epnr); +void fastsource_req_hdlr(const USBGenericRequest *request); diff --git a/usb-fast-audio-source/main.c b/usb-fast-audio-source/main.c new file mode 100644 index 0000000..57808a1 --- /dev/null +++ b/usb-fast-audio-source/main.c @@ -0,0 +1,340 @@ +/* ----------------------------------------------------------------------------
+ * ATMEL Microcontroller Software Support
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2009, 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.
+ * ----------------------------------------------------------------------------
+ */
+/**
+ * \file
+ *
+ * This file contains all the specific code for the
+ * usb_fast_source example.
+ */
+
+/*----------------------------------------------------------------------------
+ * Headers
+ *----------------------------------------------------------------------------*/
+
+#include <board.h>
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <stdbool.h>
+
+#include <irq/irq.h>
+#include <pio/pio.h>
+#include <pio/pio_it.h>
+#include <utility/trace.h>
+#include <utility/led.h>
+
+#include <usb/device/core/USBD.h>
+
+#include <fast_source.h>
+
+/*----------------------------------------------------------------------------
+ * Definitions
+ *----------------------------------------------------------------------------*/
+
+#if 0
+/** Number of available audio buffers. */
+#define BUFFER_NUMBER 8
+/** Size of one buffer in bytes. */
+#define BUFFER_SIZE (AUDDLoopRecDriver_BYTESPERFRAME*2)
+#endif
+
+/// Use for power management
+#define STATE_IDLE 0
+/// The USB device is in suspend state
+#define STATE_SUSPEND 4
+/// The USB device is in resume state
+#define STATE_RESUME 5
+
+//------------------------------------------------------------------------------
+// Internal variables
+//------------------------------------------------------------------------------
+/// State of USB, for suspend and resume
+unsigned char USBState = STATE_IDLE;
+
+#if 0
+/** Data buffers for receiving audio frames from the USB host. */
+static uint8_t buffers[BUFFER_NUMBER][BUFFER_SIZE];
+/** Number of samples stored in each data buffer. */
+static uint32_t bufferSizes[BUFFER_NUMBER];
+/** Next buffer in which USB data can be stored. */
+static uint32_t inBufferIndex = 0;
+/** Number of buffers that can be sent to the DAC. */
+static volatile uint32_t numBuffersToSend = 0;
+#endif
+
+/** Current state of the playback stream interface. */
+static volatile uint8_t isPlyActive = 0;
+/** Current state of the record stream interface. */
+static volatile uint8_t isRecActive = 0;
+
+/*----------------------------------------------------------------------------
+ * VBus monitoring (optional)
+ *----------------------------------------------------------------------------*/
+
+/** VBus pin instance. */
+static const Pin pinVbus = PIN_USB_VBUS;
+
+/**
+ * Handles interrupts coming from PIO controllers.
+ */
+static void ISR_Vbus(const Pin *pPin)
+{
+ /* Check current level on VBus */
+ if (PIO_Get(&pinVbus))
+ {
+ TRACE_INFO("VBUS conn\n\r");
+ USBD_Connect();
+ }
+ else
+ {
+ TRACE_INFO("VBUS discon\n\r");
+ USBD_Disconnect();
+ }
+}
+
+/**
+ * Configures the VBus pin to trigger an interrupt when the level on that pin
+ * changes.
+ */
+static void VBus_Configure( void )
+{
+ /* Configure PIO */
+ PIO_Configure(&pinVbus, 1);
+ PIO_ConfigureIt(&pinVbus, ISR_Vbus);
+ PIO_EnableIt(&pinVbus);
+
+ /* Check current level on VBus */
+ if (PIO_Get(&pinVbus))
+ {
+ /* if VBUS present, force the connect */
+ USBD_Connect();
+ }
+ else
+ {
+ TRACE_INFO("discon\n\r");
+ USBD_Disconnect();
+ }
+}
+
+/*----------------------------------------------------------------------------
+ * USB Power Control
+ *----------------------------------------------------------------------------*/
+
+#ifdef PIN_USB_POWER_ENA
+/** Power Enable A (MicroAB Socket) pin instance. */
+static const Pin pinPOnA = PIN_USB_POWER_ENA;
+#endif
+#ifdef PIN_USB_POWER_ENB
+/** Power Enable B (A Socket) pin instance. */
+static const Pin pinPOnB = PIN_USB_POWER_ENB;
+#endif
+#ifdef PIN_USB_POWER_ENC
+/** Power Enable C (A Socket) pin instance. */
+static const Pin pinPOnC = PIN_USB_POWER_ENC;
+#endif
+/**
+ * Configures the Power Enable pin to disable self power.
+ */
+static void USBPower_Configure( void )
+{
+ #ifdef PIN_USB_POWER_ENA
+ PIO_Configure(&pinPOnA, 1);
+ #endif
+ #ifdef PIN_USB_POWER_ENB
+ PIO_Configure(&pinPOnB, 1);
+ #endif
+ #ifdef PIN_USB_POWER_ENC
+ PIO_Configure(&pinPOnC, 1);
+ #endif
+}
+
+/*----------------------------------------------------------------------------
+ * Internal functions
+ *----------------------------------------------------------------------------*/
+
+#if 0
+/**
+ * Invoked when a frame has been received.
+ */
+static void FrameReceived(uint32_t unused,
+ uint8_t status,
+ uint32_t transferred,
+ uint32_t remaining)
+{
+ if (status == USBD_STATUS_SUCCESS)
+ {
+ /* Loopback! add this buffer to write list */
+ if (!isRecActive) {}
+ else
+ {
+ AUDDLoopRecDriver_Write(buffers[inBufferIndex],
+ AUDDLoopRecDriver_BYTESPERFRAME,
+ NULL, 0);
+ }
+
+ /* Update input status data */
+ bufferSizes[inBufferIndex] = transferred
+ / AUDDLoopRecDriver_BYTESPERSAMPLE;
+ inBufferIndex = (inBufferIndex + 1) % BUFFER_NUMBER;
+ numBuffersToSend++;
+
+ }
+ else if (status == USBD_STATUS_ABORTED)
+ {
+ /* Error , ABORT, add NULL buffer */
+ bufferSizes[inBufferIndex] = 0;
+ inBufferIndex = (inBufferIndex + 1) % BUFFER_NUMBER;
+ numBuffersToSend++;
+ }
+ else
+ {
+ /* Packet is discarded */
+ }
+
+ /* Receive next packet */
+ AUDDLoopRecDriver_Read(buffers[inBufferIndex],
+ AUDDLoopRecDriver_BYTESPERFRAME,
+ (TransferCallback) FrameReceived,
+ 0); // No optional argument
+}
+#endif
+
+/*----------------------------------------------------------------------------
+ * Callbacks re-implementation
+ *----------------------------------------------------------------------------*/
+
+//------------------------------------------------------------------------------
+/// Invoked when the USB device leaves the Suspended state. By default,
+/// configures the LEDs.
+//------------------------------------------------------------------------------
+void USBDCallbacks_Resumed(void)
+{
+ // Initialize LEDs
+ LED_Configure(USBD_LEDPOWER);
+ LED_Set(USBD_LEDPOWER);
+ LED_Configure(USBD_LEDUSB);
+ LED_Clear(USBD_LEDUSB);
+ USBState = STATE_RESUME;
+}
+
+//------------------------------------------------------------------------------
+/// Invoked when the USB device gets suspended. By default, turns off all LEDs.
+//------------------------------------------------------------------------------
+void USBDCallbacks_Suspended(void)
+{
+ // Turn off LEDs
+ LED_Clear(USBD_LEDPOWER);
+ LED_Clear(USBD_LEDUSB);
+ USBState = STATE_SUSPEND;
+}
+
+
+
+/*----------------------------------------------------------------------------
+ * Exported functions
+ *----------------------------------------------------------------------------*/
+
+extern void USBD_IrqHandler(void);
+/**
+ * \brief usb_audio_looprec Application entry point.
+ *
+ * Starts the driver and waits for an audio input stream to forward to the DAC.
+ */
+int main(void)
+{
+ volatile uint8_t usbConn = 0;
+ volatile uint8_t plyOn = 0, recOn = 0;
+
+ printf("-- USB Device Fast Audio Source %s --\n\r", SOFTPACK_VERSION);
+ printf("-- %s\n\r", BOARD_NAME);
+ printf("-- Compiled: %s %s --\n\r", __DATE__, __TIME__);
+
+ /* If they are present, configure Vbus & Wake-up pins */
+ PIO_InitializeInterrupts(0);
+
+ /* Initialize all USB power (off) */
+ USBPower_Configure();
+
+ /* Audio STREAM LED */
+ LED_Configure(USBD_LEDOTHER);
+
+ /* USB audio driver initialization */
+ fastsource_init();
+
+ /* connect if needed */
+ VBus_Configure();
+
+ fastsource_start(0x86);
+
+ /* Infinite loop */
+ while (1)
+ {
+ if (USBD_GetState() < USBD_STATE_CONFIGURED)
+ {
+ usbConn = 0;
+ continue;
+ }
+ if (plyOn)
+ {
+ if (isPlyActive == 0)
+ {
+ printf("plyE ");
+ plyOn = 0;
+ }
+ }
+ else if (isPlyActive)
+ {
+#if 0
+ /* Try to Start Reading the incoming audio stream */
+ AUDDLoopRecDriver_Read(buffers[inBufferIndex],
+ AUDDLoopRecDriver_BYTESPERFRAME,
+ (TransferCallback) FrameReceived,
+ 0); // No optional argument
+
+ printf("plyS ");
+ plyOn = 1;
+#endif
+ }
+ if (recOn)
+ {
+ if (isRecActive == 0)
+ {
+ printf("recE ");
+ recOn = 0;
+ }
+ }
+ else if (isRecActive)
+ {
+ printf("recS ");
+ recOn = 1;
+ }
+ }
+}
+/** \endcond */
diff --git a/usb-fast-audio-source/obj/.empty_dir b/usb-fast-audio-source/obj/.empty_dir new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/usb-fast-audio-source/obj/.empty_dir |