在 file_system.c file 文件<br /><br /><br /><br />unsigned long int get_next_sector(void) //根据当前簇号,获取下一个扇区地址<br />{<br /> unsigned long int LBA;<br /> unsigned int i;<br /> LBA=(file.next_cluster_number)/((dbr[driver_number].bytes_per_sectors)/4); //计算扇区地址<br /> i=(file.next_cluster_number)*4-LBA*dbr[driver_number].bytes_per_sectors; //计算偏移地址<br /><br /><br /><br />解析一下为什么这样计算<br />谢谢 computer00 |
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