basicusb(演示USB设备基本操作的程序源代码)

关于自制C8051单片机编程器的文档，对至关重要的操作相关文件，以及部分源代码，都公开。-On the self-C8051 Microcontroller Programmer

C语言学习300例 ,详细的代码和解说，是学习C语言的非常好的资料！-C language learning 300 cases, the code and detailed captions, C language learning is very good information!

KEYPAD 4X5 Driver for all microcontrollers

多种时钟下的汇编延时程序，基于定时器的，精准-Compilation of a wide range of clock delay under the process, based on the timer, precision

ATA（IDE）/ATAPI最初用于智能的设备/工具，称为与主机的串行接口

将SDRAM中数据通过DMA送至UART,可以通过串口助手查看数据.-To SDRAM data through DMA to the UART, can view data through the serial port aide.

uboot是一款优秀的嵌入式系统的bootloader程序。本软件包是uboot在ADI公司的blackfin533处理器上的移植。--Uboot is a good bootloader program for embedded system. This software package is a migration of uboot on ADI s blackfin533 CPU.

at1287 串口读写显示 at1287 串口读写显示-Serial reading and writing

USB接口的HID类键盘模拟，通过CH372的外部固件模式，可实实现在WInodws下的即插即用不需要安装驱动。-USB-type keyboard HID interface simulation, through the external CH372 firmware can be used to realize in real WInodws do not need to install plug-and-play drive.

背光控制，使用PWM方式控制背光亮度的无级调节。-Backlight control, the use of PWM control of backlight brightness adjustment stepless.