常用的50种字体的字模，C语言实现。在程序中应用这些字模的调用速度比对字体文件直接操作的方式快。-The 50 fonts matrix C language. In the program for the application of these glyphs call rate is faster than the direct operation of the font file.

适用于盛博ADT8820板的AD/IO操作例程,附带了C文件和.h文件，并附带详细的说明，操作系统vxwork5.4 或5.5 Tornado-Suitable for Sainsbury ADT8820 board AD IO operation routines, and comes with detailed instructions, operating system vxwork5.4 or 5.5 Tornado2.2.

usb_core.c（USB总线数据处理的核心文件），usb_init.c，usb_int.c（用于端点数据输入输入中断处理），usb_mem.c（用于缓冲区操作），usb_regs.c（用于寄存器操作）-Usb_core.c (USB bus data processing core file), usb_init.c, usb_int.c (for endpoint data input input interrupt processing), usb_mem.c (for buffer o