/*----------------------------------------------------------------------------
?*??????U?S?B??-??K?e?r?n?e?l
?*----------------------------------------------------------------------------
?*??????Name:????ADCUSER.C
?*??????Purpose:?Audio?Device?Class?Custom?User?Module
?*??????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?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.
?*---------------------------------------------------------------------------*/

#include?“type.h“

#include?“usb.h“
#include?“audio.h“
#include?“usbcfg.h“
#include?“usbcore.h“
#include?“adcuser.h“

#include?“usbaudio.h“

??????uint16_t?VolCur?=?0x0100;?????/*?Volume?Current?Value?*/
const?uint16_t?VolMin?=?0x0000;?????/*?Volume?Minimum?Value?*/
const?uint16_t?VolMax?=?0x0100;?????/*?Volume?Maximum?Value?*/
const?uint16_t?VolRes?=?0x0004;?????/*?Volume?Resolution?*/

/*
?*??Audio?Device?Class?Interface?Get?Request?Callback
?*???Called?automatically?on?ADC?Interface?Get?Request
?*????Parameters:??????None?（global?SetupPacket?and?EP0Buf）
?*????Return?Value:????TRUE?-?Success?FALSE?-?Error
?*/

uint32_t?ADC_IF_GetRequest?（void）?{

/*
??Interface?=?SetupPacket.wIndex.WB.L;
??EntityID??=?SetupPacket.wIndex.WB.H;
??Request???=?SetupPacket.bRequest;
??Value?????=?SetupPacket.wValue.W;
??...
*/

??if?（SetupPacket.wIndex.W?==?0x0200）?{
????/*?Feature?Unit:?Interface?=?0?ID?=?2?*/
????if?（SetupPacket.wValue.WB.L?==?0）?{
??????/*?Master?Channel?*/
??????switch?（SetupPacket.wValue.WB.H）?{
????????case?AUDIO_MUTE_CONTROL:
??????????switch?（SetupPacket.bRequest）?{
????????????case?AUDIO_REQUEST_GET_CUR:
??????????????EP0Buf[0]?=?Mute;
??????????????return?（TRUE）;
??????????}
??????????break;
????????case?AUDIO_VOLUME_CONTROL:
??????????switch?（SetupPacket.bRequest）?{
????????????case?AUDIO_REQUEST_GET_CUR:
??????????????*（（__packed?uint16_t?*）EP0Buf）?=?VolCur;
??????????????return?（TRUE）;
????????????case?AUDIO_REQUEST_GET_MIN:
??????????????*（（__packed?uint16_t?*）EP0Buf）?=?VolMin;
??????????????return?（TRUE）;
????????????case?AUDIO_REQUEST_GET_MAX:
??????????????*（（__packed?uint16_t?*）EP0Buf）?=?VolMax;
??????????????return?（TRUE）;
????????????case?AUDIO_REQUEST_GET_RES:
??????????????*（（__packed?uint16_t?*）EP0Buf）?=?VolRes;
??????????????return?（TRUE）;
??????????}
??????????break;
??????}
????}
??}
??return?（FALSE）;??/*?Not?Supported?*/
}


/*
?*??A

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????711??2010-07-28?09:01??USBAudio\Abstract.txt

?????文件???????5044??2010-07-28?09:01??USBAudio\adcuser.c

?????文件???????1321??2010-07-28?09:01??USBAudio\adcuser.h

?????文件??????16863??2010-07-28?09:01??USBAudio\audio.h

?????文件??????23500??2010-09-19?10:23??USBAudio\FLASH\adcuser.crf

?????文件????????309??2010-09-19?10:23??USBAudio\FLASH\adcuser.d

?????文件??????31748??2010-09-19?10:23??USBAudio\FLASH\adcuser.o

?????文件???????3549??2010-09-19?10:23??USBAudio\FLASH\core_cm3.crf

?????文件????????111??2010-09-19?10:23??USBAudio\FLASH\core_cm3.d

?????文件??????10196??2010-09-19?10:23??USBAudio\FLASH\core_cm3.o

?????文件?????????66??2010-09-19?10:23??USBAudio\FLASH\startup_LPC177x_8x.d

?????文件??????38278??2010-09-19?10:23??USBAudio\FLASH\startup_LPC177x_8x.lst

?????文件???????5576??2010-09-19?10:23??USBAudio\FLASH\startup_LPC177x_8x.o

?????文件??????61109??2010-09-19?10:23??USBAudio\FLASH\system_lpc177x_8x.crf

?????文件????????314??2010-09-19?10:23??USBAudio\FLASH\system_lpc177x_8x.d

?????文件??????43216??2010-09-19?10:23??USBAudio\FLASH\system_lpc177x_8x.o

?????文件??????86668??2010-09-19?10:24??USBAudio\FLASH\usbaudio.axf

?????文件??????20330??2010-09-19?10:24??USBAudio\FLASH\usbaudio.hex

?????文件??????55024??2010-09-19?10:24??USBAudio\FLASH\usbaudio.htm

?????文件????????453??2010-09-19?10:23??USBAudio\FLASH\usbaudio.lnp

?????文件??????70461??2010-09-19?10:24??USBAudio\FLASH\usbaudio.map

?????文件????????859??2010-09-19?10:24??USBAudio\FLASH\usbaudio.plg

?????文件???????1540??2010-09-19?10:24??USBAudio\FLASH\usbaudio.tra

?????文件??????33040??2010-09-19?10:23??USBAudio\FLASH\usbcore.crf

?????文件????????366??2010-09-19?10:23??USBAudio\FLASH\usbcore.d

?????文件??????52328??2010-09-19?10:23??USBAudio\FLASH\usbcore.o

?????文件??????22733??2010-09-19?10:23??USBAudio\FLASH\usbdesc.crf

?????文件????????248??2010-09-19?10:23??USBAudio\FLASH\usbdesc.d

?????文件??????26888??2010-09-19?10:23??USBAudio\FLASH\usbdesc.o

?????文件??????72713??2010-09-19?10:23??USBAudio\FLASH\usbdmain.crf

............此處省略173個文件信息