These are the examples provided for [[/users/frank26080115/libraries/LPC1700CMSIS_Lib/]] Note, the entire "program" is not compilable!
USBDEV/USBAudio/usbdesc.c
- Committer:
- frank26080115
- Date:
- 2011-03-20
- Revision:
- 0:bf7b9fba3924
File content as of revision 0:bf7b9fba3924:
/*---------------------------------------------------------------------------- * U S B - K e r n e l *---------------------------------------------------------------------------- * Name: usbdesc.c * Purpose: USB Descriptors * Version: V1.20 *---------------------------------------------------------------------------- * 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 NXP Semiconductors LPC family microcontroller devices only. Nothing * else gives you the right to use this software. * * Copyright (c) 2009 Keil - An ARM Company. All rights reserved. *---------------------------------------------------------------------------- * History: * V1.20 Changed string descriptor handling * V1.00 Initial Version *----------------------------------------------------------------------------*/ #include "lpc_types.h" #include "usb.h" #include "audio.h" #include "usbcfg.h" #include "usbdesc.h" /* USB Standard Device Descriptor */ const uint8_t 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(0x1FC9), /* idVendor */ WBVAL(0x4002), /* idProduct */ WBVAL(0x0100), /* 1.00 */ /* bcdDevice */ 0x01, /* iManufacturer */ 0x02, /* iProduct */ 0x03, /* iSerialNumber */ 0x01 /* bNumConfigurations: one possible configuration*/ }; /* USB Configuration Descriptor */ /* All Descriptors (Configuration, Interface, Endpoint, Class, Vendor */ const uint8_t 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 uint8_t USB_StringDescriptor[] = { /* Index 0x00: LANGID Codes */ 0x04, /* bLength */ USB_STRING_DESCRIPTOR_TYPE, /* bDescriptorType */ WBVAL(0x0409), /* US English */ /* wLANGID */ /* Index 0x01: Manufacturer */ (13*2 + 2), /* bLength (13 Char + Type + lenght) */ USB_STRING_DESCRIPTOR_TYPE, /* bDescriptorType */ 'N',0, 'X',0, 'P',0, ' ',0, 'S',0, 'e',0, 'm',0, 'i',0, 'c',0, 'o',0, 'n',0, 'd',0, ' ',0, /* Index 0x02: Product */ (20*2 + 2), /* bLength ( 20 Char + Type + lenght) */ USB_STRING_DESCRIPTOR_TYPE, /* bDescriptorType */ 'N',0, 'X',0, 'P',0, ' ',0, 'L',0, 'P',0, 'C',0, '1',0, '7',0, 'x',0, 'x',0, ' ',0, 'S',0, 'p',0, 'e',0, 'a',0, 'k',0, 'e',0, 'r',0, ' ',0, /* Index 0x03: Serial Number */ (12*2 + 2), /* bLength (12 Char + Type + lenght) */ 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, };