usbdesc.c

USB声音驱动,基于NXP ARM7.已在KEIL下调试通过.

/*----------------------------------------------------------------------------
 *      U S B  -  K e r n e l
 *----------------------------------------------------------------------------
 *      Name:    USBDESC.C
 *      Purpose: USB Descriptors
 *      Version: V1.10
 *----------------------------------------------------------------------------
 *      This software is supplied "AS IS" without any warranties, express,
 *      implied or statutory, including but not limited to the implied
 *      warranties of fitness for purpose, satisfactory quality and
 *      noninfringement. Keil extends you a royalty-free right to reproduce
 *      and distribute executable files created using this software for use
 *      on Philips LPC2xxx microcontroller devices only. Nothing else gives
 *      you the right to use this software.
 *
 *      Copyright (c) 2005-2006 Keil Software.
 *---------------------------------------------------------------------------*/

#include "type.h"

#include "usb.h"
#include "audio.h"
#include "usbcfg.h"
#include "usbdesc.h"


/* USB Standard Device Descriptor */
const BYTE USB_DeviceDescriptor[] = {
  USB_DEVICE_DESC_SIZE,                 /* bLength */
  USB_DEVICE_DESCRIPTOR_TYPE,           /* bDescriptorType */
  WBVAL(0x0200), /* 2.00 */             /* bcdUSB */
  0x00,                                 /* bDeviceClass */
  0x00,                                 /* bDeviceSubClass */
  0x00,                                 /* bDeviceProtocol */
  USB_MAX_PACKET0,                      /* bMaxPacketSize0 */
  WBVAL(0x0471),                        /* idVendor */
  WBVAL(0x114A),                        /* idProduct */
  WBVAL(0x0100), /* 1.00 */             /* bcdDevice */
  0x04,                                 /* iManufacturer */
  0x20,                                 /* iProduct */
  0x4A,                                 /* iSerialNumber */
  0x01                                  /* bNumConfigurations */
};

/* USB Configuration Descriptor */
/*   All Descriptors (Configuration, Interface, Endpoint, Class, Vendor */
const BYTE USB_ConfigDescriptor[] = {
/* Configuration 1 */
  USB_CONFIGUARTION_DESC_SIZE,          /* bLength */
  USB_CONFIGURATION_DESCRIPTOR_TYPE,    /* bDescriptorType */
  WBVAL(                                /* wTotalLength */
    USB_CONFIGUARTION_DESC_SIZE         +
    USB_INTERFACE_DESC_SIZE             +
    AUDIO_CONTROL_INTERFACE_DESC_SZ(1)  +
    AUDIO_INPUT_TERMINAL_DESC_SIZE      +
    AUDIO_FEATURE_UNIT_DESC_SZ(1,1)     +
    AUDIO_OUTPUT_TERMINAL_DESC_SIZE     +
    USB_INTERFACE_DESC_SIZE             +
    USB_INTERFACE_DESC_SIZE             +
    AUDIO_STREAMING_INTERFACE_DESC_SIZE +
    AUDIO_FORMAT_TYPE_I_DESC_SZ(1)      +
    AUDIO_STANDARD_ENDPOINT_DESC_SIZE   +
    AUDIO_STREAMING_ENDPOINT_DESC_SIZE
  ),
  0x02,                                 /* bNumInterfaces */
  0x01,                                 /* bConfigurationValue */
  0x00,                                 /* iConfiguration */
  USB_CONFIG_BUS_POWERED,               /* bmAttributes */
  USB_CONFIG_POWER_MA(100),             /* bMaxPower */
/* Interface 0, Alternate Setting 0, Audio Control */
  USB_INTERFACE_DESC_SIZE,              /* bLength */
  USB_INTERFACE_DESCRIPTOR_TYPE,        /* bDescriptorType */
  0x00,                                 /* bInterfaceNumber */
  0x00,                                 /* bAlternateSetting */
  0x00,                                 /* bNumEndpoints */
  USB_DEVICE_CLASS_AUDIO,               /* bInterfaceClass */
  AUDIO_SUBCLASS_AUDIOCONTROL,          /* bInterfaceSubClass */
  AUDIO_PROTOCOL_UNDEFINED,             /* bInterfaceProtocol */
  0x00,                                 /* iInterface */
/* Audio Control Interface */
  AUDIO_CONTROL_INTERFACE_DESC_SZ(1),   /* bLength */
  AUDIO_INTERFACE_DESCRIPTOR_TYPE,      /* bDescriptorType */
  AUDIO_CONTROL_HEADER,                 /* bDescriptorSubtype */
  WBVAL(0x0100), /* 1.00 */             /* bcdADC */
  WBVAL(                                /* wTotalLength */
    AUDIO_CONTROL_INTERFACE_DESC_SZ(1) +
    AUDIO_INPUT_TERMINAL_DESC_SIZE     +
    AUDIO_FEATURE_UNIT_DESC_SZ(1,1)    +
    AUDIO_OUTPUT_TERMINAL_DESC_SIZE
  ),
  0x01,                                 /* bInCollection */
  0x01,                                 /* baInterfaceNr */
/* Audio Input Terminal */
  AUDIO_INPUT_TERMINAL_DESC_SIZE,       /* bLength */
  AUDIO_INTERFACE_DESCRIPTOR_TYPE,      /* bDescriptorType */
  AUDIO_CONTROL_INPUT_TERMINAL,         /* bDescriptorSubtype */
  0x01,                                 /* bTerminalID */
  WBVAL(AUDIO_TERMINAL_USB_STREAMING),  /* wTerminalType */
  0x00,                                 /* bAssocTerminal */
  0x01,                                 /* bNrChannels */
  WBVAL(AUDIO_CHANNEL_M),               /* wChannelConfig */
  0x00,                                 /* iChannelNames */
  0x00,                                 /* iTerminal */
/* Audio Feature Unit */
  AUDIO_FEATURE_UNIT_DESC_SZ(1,1),      /* bLength */
  AUDIO_INTERFACE_DESCRIPTOR_TYPE,      /* bDescriptorType */
  AUDIO_CONTROL_FEATURE_UNIT,           /* bDescriptorSubtype */
  0x02,                                 /* bUnitID */
  0x01,                                 /* bSourceID */
  0x01,                                 /* bControlSize */
  AUDIO_CONTROL_MUTE |
  AUDIO_CONTROL_VOLUME,                 /* bmaControls(0) */
  0x00,                                 /* bmaControls(1) */
  0x00,                                 /* iTerminal */
/* Audio Output Terminal */
  AUDIO_OUTPUT_TERMINAL_DESC_SIZE,      /* bLength */
  AUDIO_INTERFACE_DESCRIPTOR_TYPE,      /* bDescriptorType */
  AUDIO_CONTROL_OUTPUT_TERMINAL,        /* bDescriptorSubtype */
  0x03,                                 /* bTerminalID */
  WBVAL(AUDIO_TERMINAL_SPEAKER),        /* wTerminalType */
  0x00,                                 /* bAssocTerminal */
  0x02,                                 /* bSourceID */
  0x00,                                 /* iTerminal */
/* Interface 1, Alternate Setting 0, Audio Streaming - Zero Bandwith */
  USB_INTERFACE_DESC_SIZE,              /* bLength */
  USB_INTERFACE_DESCRIPTOR_TYPE,        /* bDescriptorType */
  0x01,                                 /* bInterfaceNumber */
  0x00,                                 /* bAlternateSetting */
  0x00,                                 /* bNumEndpoints */
  USB_DEVICE_CLASS_AUDIO,               /* bInterfaceClass */
  AUDIO_SUBCLASS_AUDIOSTREAMING,        /* bInterfaceSubClass */
  AUDIO_PROTOCOL_UNDEFINED,             /* bInterfaceProtocol */
  0x00,                                 /* iInterface */
/* Interface 1, Alternate Setting 1, Audio Streaming - Operational */
  USB_INTERFACE_DESC_SIZE,              /* bLength */
  USB_INTERFACE_DESCRIPTOR_TYPE,        /* bDescriptorType */
  0x01,                                 /* bInterfaceNumber */
  0x01,                                 /* bAlternateSetting */
  0x01,                                 /* bNumEndpoints */
  USB_DEVICE_CLASS_AUDIO,               /* bInterfaceClass */
  AUDIO_SUBCLASS_AUDIOSTREAMING,        /* bInterfaceSubClass */
  AUDIO_PROTOCOL_UNDEFINED,             /* bInterfaceProtocol */
  0x00,                                 /* iInterface */
/* Audio Streaming Interface */
  AUDIO_STREAMING_INTERFACE_DESC_SIZE,  /* bLength */
  AUDIO_INTERFACE_DESCRIPTOR_TYPE,      /* bDescriptorType */
  AUDIO_STREAMING_GENERAL,              /* bDescriptorSubtype */
  0x01,                                 /* bTerminalLink */
  0x01,                                 /* bDelay */
  WBVAL(AUDIO_FORMAT_PCM),              /* wFormatTag */
/* Audio Type I Format */
  AUDIO_FORMAT_TYPE_I_DESC_SZ(1),       /* bLength */
  AUDIO_INTERFACE_DESCRIPTOR_TYPE,      /* bDescriptorType */
  AUDIO_STREAMING_FORMAT_TYPE,          /* bDescriptorSubtype */
  AUDIO_FORMAT_TYPE_I,                  /* bFormatType */
  0x01,                                 /* bNrChannels */
  0x02,                                 /* bSubFrameSize */
  16,                                   /* bBitResolution */
  0x01,                                 /* bSamFreqType */
  B3VAL(32000),                         /* tSamFreq */
/* Endpoint - Standard Descriptor */
  AUDIO_STANDARD_ENDPOINT_DESC_SIZE,    /* bLength */
  USB_ENDPOINT_DESCRIPTOR_TYPE,         /* bDescriptorType */
  USB_ENDPOINT_OUT(3),                  /* bEndpointAddress */
  USB_ENDPOINT_TYPE_ISOCHRONOUS,        /* bmAttributes */
  WBVAL(64),                            /* wMaxPacketSize */
  0x01,                                 /* bInterval */
  0x00,                                 /* bRefresh */
  0x00,                                 /* bSynchAddress */
/* Endpoint - Audio Streaming */
  AUDIO_STREAMING_ENDPOINT_DESC_SIZE,   /* bLength */
  AUDIO_ENDPOINT_DESCRIPTOR_TYPE,       /* bDescriptorType */
  AUDIO_ENDPOINT_GENERAL,               /* bDescriptor */
  0x00,                                 /* bmAttributes */
  0x00,                                 /* bLockDelayUnits */
  WBVAL(0x0000),                        /* wLockDelay */
/* Terminator */
  0                                     /* bLength */
};

/* USB String Descriptor (optional) */
const BYTE USB_StringDescriptor[] = {
/* Index 0x00: LANGID Codes */
  0x04,                              /* bLength */
  USB_STRING_DESCRIPTOR_TYPE,        /* bDescriptorType */
  WBVAL(0x0409), /* US English */    /* wLANGID */
/* Index 0x04: Manufacturer */
  0x1C,                              /* bLength */
  USB_STRING_DESCRIPTOR_TYPE,        /* bDescriptorType */
  'K',0,
  'e',0,
  'i',0,
  'l',0,
  ' ',0,
  'S',0,
  'o',0,
  'f',0,
  't',0,
  'w',0,
  'a',0,
  'r',0,
  'e',0,
/* Index 0x20: Product */
  0x2A,                              /* bLength */
  USB_STRING_DESCRIPTOR_TYPE,        /* bDescriptorType */
  'K',0,
  'e',0,
  'i',0,
  'l',0,
  ' ',0,
  'M',0,
  'C',0,
  'B',0,
  '2',0,
  '3',0,
  '0',0,
  '0',0,
  ' ',0,
  'S',0,
  'p',0,
  'e',0,
  'a',0,
  'k',0,
  'e',0,
  'r',0,
/* Index 0x4A: Serial Number */
  0x1A,                              /* bLength */
  USB_STRING_DESCRIPTOR_TYPE,        /* bDescriptorType */
  'D',0,
  'E',0,
  'M',0,
  'O',0,
  '0',0,
  '0',0,
  '0',0,
  '0',0,
  '0',0,
  '0',0,
  '0',0,
  '0',0,
};