youpan.rar_youpan

/****************************************************************** 本程序只供学习使用，未经作者许可，不得用于其它任何用途 我的邮箱：computer-lov@tom.com 欢迎访问我的blog： http://computer00.21ic.org USB.C file Created by Computer-lov Date: 2004.9.21 Edit date:2006.3.2 Version V1.1 Copyright(C) Computer-lov 2004-2014 All rigths reserved *******************************************************************/ #include<Atmel/AT89x52.H> #include<USB.H> #include<PDIUSBD12.H> #include<MASS_STORAGE.H> //#include<serial.h> #define USB_COMMAND_ADD 1 #define USB_DATA_ADD 0 #define USB_DATA P0 #define USB_A0 P3_5 #define USB_WR P3_6 #define USB_RD P3_7 #define USB_INT P3_2 #define ENDPOINT_NUMBER 2 #define MAX_CONTROL_DATA_SIZE 16 #define MAX_LUN 0 #define MAX_BULK_DATA_SIZE 64 CONTROL_DATA_BUFF Control_Data; unsigned char idata buffer[64]; CBW cbw; CSW csw; union { unsigned char Register; struct { unsigned char Command :1; unsigned char Data :1; }Status; }SCSI; unsigned char *pData; code unsigned char DISK_INF[36]= //磁盘信息 { 0x00, 0x00, 0x02, 0x02, 0x1F, 0x00,0x00,0x00, 0xB5,0xE7,0XC4,0xD4,0xC8,0xA6,0xC8,0xA6, 0xD7,0xD4,0xBC,0xBA,0xD7,0xF6,0xB5,0xC4,0xBC,0xD9,0x55,0xC5,0xCC,0x00,0x00,0x00, 0x31,0x2E,0x30,0x31 }; code unsigned char DISK_CAPACITY[8]= //磁盘容量 { 0x00,0x01,0xff,0x00, 0x00,0x00,0x02,0x00 }; code unsigned char SENSE[0x12]= //模式探测返回数据 { 0x70, 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00 }; code unsigned char DBR[512]= //DOS引导记录 { 0xeb, 0x3e, 0x90, //跳转指令 0x4d, 0x53, 0x44, 0x4f, 0x53, 0x35, 0x2e, 0x30, //文件系统版本信息 0x00, 0x02, //扇区字节数 0x20, //每簇扇区数 0x01, 0x00, //保留扇区数 0x02, //该分区的FAT副本数 0xF0, 0x01, //根目录项数 0x00, 0x00, //小扇区数 0xf8, //媒体描述符 0x10, 0x00, //每FAT扇区数 0x20, 0x00, //每道扇区数 0x40, 0x00, //磁头数 0x00, 0x00, 0x00, 0x00, //隐藏扇区数 0x40, 0xff, 0x01, 0x00, //大扇区数 0x80, //磁盘驱动器参数，80表示硬盘 0x00, //保留 0x29, //扩展引导标记，0x29表示后三个区可用 0x88, 0x09, 0x71, 0x20, //标卷序列号 0xBC, 0xD9, 0x55, 0xC5, 0xCC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //磁盘标卷 0x46, 0x41, 0x54, 0x31, 0x36, 0x20, 0x20, 0x20, //文件系统类型信息 0xf1, 0x7d, 0xfa, 0x33, 0xc9, 0x8e, 0xd1, 0xbc, 0xfc, 0x7b, 0x16, 0x07, 0xbd, 0x78, 0x00, 0xc5, 0x76, 0x00, 0x1e, 0x56, 0x16, 0x55, 0xbf, 0x22, 0x05, 0x89, 0x7e, 0x00, 0x89, 0x4e, 0x02, 0xb1, 0x0b, 0xfc, 0xf3, 0xa4, 0x06, 0x1f, 0xbd, 0x00, 0x7c, 0xc6, 0x45, 0xfe, 0x0f, 0x8b, 0x46, 0x18, 0x88, 0x45, 0xf9, 0xfb, 0x38, 0x66, 0x24, 0x7c, 0x04, 0xcd, 0x13, 0x72, 0x3c, 0x8a, 0x46, 0x10, 0x98, 0xf7, 0x66, 0x16, 0x03, 0x46, 0x1c, 0x13, 0x56, 0x1e, 0x03, 0x46, 0x0e, 0x13, 0xd1, 0x50, 0x52, 0x89, 0x46, 0xfc, 0x89, 0x56, 0xfe, 0xb8, 0x20, 0x00, 0x8b, 0x76, 0x11, 0xf7, 0xe6, 0x8b, 0x5e, 0x0b, 0x03, 0xc3, 0x48, 0xf7, 0xf3, 0x01, 0x46, 0xfc, 0x11, 0x4e, 0xfe, 0x5a, 0x58, 0xbb, 0x00, 0x07, 0x8b, 0xfb, 0xb1, 0x01, 0xe8, 0x94, 0x00, 0x72, 0x47, 0x38, 0x2d, 0x74, 0x19, 0xb1, 0x0b, 0x56, 0x8b, 0x76, 0x3e, 0xf3, 0xa6, 0x5e, 0x74, 0x4a, 0x4e, 0x74, 0x0b, 0x03, 0xf9, 0x83, 0xc7, 0x15, 0x3b, 0xfb, 0x72, 0xe5, 0xeb, 0xd7, 0x2b, 0xc9, 0xb8, 0xd8, 0x7d, 0x87, 0x46, 0x3e, 0x3c, 0xd8, 0x75, 0x99, 0xbe, 0x80, 0x7d, 0xac, 0x98, 0x03, 0xf0, 0xac, 0x84, 0xc0, 0x74, 0x17, 0x3c, 0xff, 0x74, 0x09, 0xb4, 0x0e, 0xbb, 0x07, 0x00, 0xcd, 0x10, 0xeb, 0xee, 0xbe, 0x83, 0x7d, 0xeb, 0xe5, 0xbe, 0x81, 0x7d, 0xeb, 0xe0, 0x33, 0xc0, 0xcd, 0x16, 0x5e, 0x1f, 0x8f, 0x04, 0x8f, 0x44, 0x02, 0xcd, 0x19, 0xbe, 0x82, 0x7d, 0x8b, 0x7d, 0x0f, 0x83, 0xff, 0x02, 0x72, 0xc8, 0x8b, 0xc7, 0x48, 0x48, 0x8a, 0x4e, 0x0d, 0xf7, 0xe1, 0x03, 0x46, 0xfc, 0x13, 0x56, 0xfe, 0xbb, 0x00, 0x07, 0x53, 0xb1, 0x04, 0xe8, 0x16, 0x00, 0x5b, 0x72, 0xc8, 0x81, 0x3f, 0x4d, 0x5a, 0x75, 0xa7, 0x81, 0xbf, 0x00, 0x02, 0x42, 0x4a, 0x75, 0x9f, 0xea, 0x00, 0x02, 0x70, 0x00, 0x50, 0x52, 0x51, 0x91, 0x92, 0x33, 0xd2, 0xf7, 0x76, 0x18, 0x91, 0xf7, 0x76, 0x18, 0x42, 0x87, 0xca, 0xf7, 0x76, 0x1a, 0x8a, 0xf2, 0x8a, 0x56, 0x24, 0x8a, 0xe8, 0xd0, 0xcc, 0xd0, 0xcc, 0x0a, 0xcc, 0xb8, 0x01, 0x02, 0xcd, 0x13, 0x59, 0x5a, 0x58, 0x72, 0x09, 0x40, 0x75, 0x01, 0x42, 0x03, 0x5e, 0x0b, 0xe2, 0xcc, 0xc3, 0x03, 0x18, 0x01, 0x27, 0x0d, 0x0a, 0x49, 0x6e, 0x76, 0x61, 0x6c, 0x69, 0x64, 0x20, 0x73, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x20, 0x64, 0x69, 0x73, 0x6b, 0xff, 0x0d, 0x0a, 0x44, 0x69, 0x73, 0x6b, 0x20, 0x49, 0x2f, 0x4f, 0x20, 0x65, 0x72, 0x72, 0x6f, 0x72, 0xff, 0x0d, 0x0a, 0x52, 0x65, 0x70, 0x6c, 0x61, 0x63, 0x65, 0x20, 0x74, 0x68, 0x65, 0x20, 0x64, 0x69, 0x73, 0x6b, 0x2c, 0x20, 0x61, 0x6e, 0x64, 0x20, 0x74, 0x68, 0x65, 0x6e, 0x20, 0x70, 0x72, 0x65, 0x73, 0x73, 0x20, 0x61, 0x6e, 0x79, 0x20, 0x6b, 0x65, 0x79, 0x0d, 0x0a, 0x00, 0x49, 0x4f, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x53, 0x59, 0x53, 0x4d, 0x53, 0x44, 0x4f, 0x53, 0x20, 0x20, 0x20, 0x53, 0x59, 0x53, 0x80, 0x01, 0x00, 0x57, 0x49, 0x4e, 0x42, 0x4f, 0x4f, 0x54, 0x20, 0x53, 0x59, 0x53, 0x00, 0x00, 0x55, 0xaa, }; code unsigned char FAT[64]= //模拟的文件分配表 { 0xF8, 0xFF, 0xFF, 0xFF, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ,0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ,0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ,0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; code unsigned char ZERO[64]= //填充0 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ,0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ,0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ,0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ,0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; code unsigned char ROOT_DIR[64]= //根目录 { 0xC2, 0xC3, 0xD3, 0xCE, 0xB5, 0xBC, 0xB2, 0xA5, 0xBB, 0xFA, 0x20, //磁盘标卷 0x08, //文件属性，表示磁盘标卷 0x00, //保留 0x00, //