hongwaiyuanmachenxu

自己在keil51中用C实现了一个电子钢琴展览项目，cpu用P89V51RD2，完全自己写的代码-Keil51 with C in the realization of an electronic piano exhibitions, cpu use P89V51RD2, completely write their own code. .

MS12864－R驱动，c语言的,并行数据口-MS12864-R drive, c language, parallel data port

对初学MCS-51单片机的很有帮助的，基础的知识-helpful MCS-51 for beginners helpful

实时时钟芯片PCF8563 控制C51源程序-real-time clock chip PCF8563 source control C51

samsung arm2440开发板 数模转换测试程序，程序开发平台为qt平台开发环境为linux系统-samsung arm2440 development board digital-to-analog conversion test procedures, procedures for qt platform development platform development environment for linux system

利用Verilig编写CPLD读写EEPROM（74LC21）程序-Verilig prepared to use CPLD to read and write EEPROM (74LC21) procedures

msp430ex44x试验程序代码包括 io口，spi通信，定时器，实时时钟等代码，非常全-msp430ex44x test program code, including io port, spi communication, timer, real-time clock and other code, is very full

LPC2103,GPIO端口编译程序，很好用，IAR环境下-LPC2103, GPIO port compiler, very good use, IAR environment

用C实现信号发生装置：1、正弦波：频率、幅度可调。 2、三角波：频率、幅度可调。 3、方 波：频率、幅度、占空比可调。 4、按键：波形切换、频率调节、幅度调节、方波占空比调节。 5、显示：信号的频率、幅度，在方波时还要显示占空比。 -Implementation using C Signal: 1, sine wave: frequency, amplitude adjustable. 2, triangle-wave: frequency, amplitude adjustable. 3, square wave: the frequency, amplitude, duty cycle adjustable. 4, button: switch waveform, frequency regulation, rate regulation, adjust the duty cycle square wave. 5, show that: the signal frequency, amplitude, when they showed at the duty cycle square wave.

系统以AT89S51单片机为核心，利用单片机可根据实际的需要随时更改程序而实现功能的改变。包含程序和课程设计文章-AT89S51 microcontroller system to the core, the use of single-chip microcomputer according to actual need to change procedures and the achievement of functional change. Contains the procedures and curriculum design articles