#include "head.c"
union rec_data_cache//數據接收緩沖 
{
 struct setup_package//setup包專用區
 {
 unsigned char RequestType;
 unsigned char Request;
 unsigned char ValueL;       
 unsigned char ValueH;  
 unsigned char IndexL;
 unsigned char IndexH;
 unsigned char LengthL;
 unsigned char LengthH;       
 //int b;
 //int c;
 //int d;
 }setup; 
unsigned char buffer[64];
struct cbw_package//CBW包專用區
{unsigned long dCBWSignature;//offset 0
 unsigned long dCBWTag;//offset 4
 unsigned long dCBWDataTransferLength;//offset 8
 unsigned char bmCBWFlags;//offset 12 
 unsigned char bCBWLUN;
 unsigned char bCBWCBLength;//offset 14
 unsigned char CBWCB_Operation_Code;                  
 unsigned char CBWCB_Logicol_unit_Number;//offset 16                 
 unsigned long CBWCB_Logical_block_address;//offset 17                 
 unsigned long CBWCB_length;//offset 21               
 unsigned char CBWCB10;                 
 unsigned char CBWCB_control;                                  
 unsigned char CBWCB12;                
 unsigned char CBWCB13;               
 unsigned char CBWCB14;                
 unsigned char CBWCB15;//offset 30         
 }CBW;
}USB;
unsigned long dCBWTag;
//unsigned long dCSWDataResidue;
//unsigned char bCSWStatus;
/////////////////////////////////////////
 bit bulk_Transfer_data;     //bulk數據
 bit bulk_Transfer_code;     //bulk命令
 bit bsetup                 ;//:1;//收到setup包標志位
 bit bSuspend               ;//:1;//掛起標志位
 bit bBusreset              ;//:1;//總線復位標志位
 bit bEndpointRequest       ;//:1;//對端點請求處理標志位
 bit bInterfaceRequest      ;//:1;//對接口請求處理標志位
 bit bBusDataPID            ;//:1;//設備端當前傳送數據pid
 bit bDataTransmittal       ;//數據傳送狀態標識
 bit bconfiguration         ;//;配置標志位
 bit ADbusy                 ;//AD忙碌
////////////////////////////////////////////////////
//extern void StandardRuest(void);//標準請求處理 
extern code unsigned char DDescriptor[18];
extern code unsigned char SDescriptor[46];
extern code unsigned char subitID[4];
extern code unsigned char subit1[subit1L];
extern code unsigned char subit2[subit2L];
extern code unsigned char subit3[subit3L];
extern code unsigned char subit4[subit4L];
extern code unsigned char subit5[subit5L];
extern code unsigned char INQUIRYinformation[36];
//extern code unsigned char audio[5360];//={//0x14f0//
extern void UsbMassStorgeClassRequest(void);
extern void DAC(void);//DA轉換
///////////////////////////////////////////////////////
void T0_initializtion(void);//初始化定時器0
void ADC(void);//AD轉換
//////////////////////////////////////////////////////