MbrFix（mbr修复工具）用于在windows和linux双系统中，删除linux系统时恢复mbr安装过linux系统的朋友，有过这样的经历，安装Ｇrub的时候，把硬盘的MBR修改了
Mbrfix (MBR repair tool) is used in windows and Linux dual systems to restore MBR friends who have installed Linux system when deleting Linux system. With such experience, when installing grub, the MBR of hard disk is modified (2020-06-22, C/C++, 135KB, 下载0次)
这是一段关于凤鸣器的驱动，用pwm来控制频率，可以实现不同的波段的声音
This is a paragraph on the drive Fengming, using pwm to control the frequency band can achieve different sounds (2013-09-26, C/C++, 1KB, 下载1次)
基于at91rm9200的sram驱动，sram为16k*16的双口ram，测试通过，读写正常
Based at91rm9200 the sram drive, sram 16k* 16 dual port ram test passed, read and write properly (2012-09-24, C/C++, 10KB, 下载7次)