ARM裸板开发--按键控制PWM波形显示

SD卡FAT文件系统,很方面移植,注释详细-SD Card FAT file system, it is aspects of transplantation, detailed notes

这是简单的编码显示字母 A，在螺旋桨时钟显示此编码使用，欢迎大家下载、试用。谢谢大家的支持！

本文介绍MGLS-l2864液晶显示模块的功能、原理及开发步骤。MGLS-12864液晶显示模块内置有HD61202液晶显示控制驱动器，可直接与8位微处器AT89S51相连--This article introduces functionality, theory and developing steps of MGLS-12864 LCD display module.The module includes a display driver for HD61202 LCD, and could connect with 8-bit CPU AT89S51.

校内竞赛做了一个PM2.5测量仪，采用pm2.5传感器DSM501A测得PM2.5的浓度并把它转化为脉冲量，通过51单片机检测脉冲量并把它转化为数字量，经过换算，送到LCD1602进行显示。

嵌入式系统下的键盘驱动程序。可识别三种类型的键盘动作：按下，抬起，一直按住。加入了去抖动的处理。文档附有，详细的原理说明，和简要的设计思想。该键盘驱动可适用于arm和dsp.-Embedded system under the keyboard driver. Identifies three types of keyboard actions: pressing, lifting, has been holding down the. Added to deal with jitter. Document with a detailed description of the principle, and briefly the design idea. The keyboard-driven applied to arm and dsp.

做的一个简易的计算器，用数码管显示的，程序经过测试是完全好使的，也可以用protues进行方针，硬件电路设计很简单！-Make a simple calculator, digital tube display, the program is fully tested so that they can also be used to carry out the principle of protues, hardware circuit design is very simple!

s3c4510的实验书，大家可以下载下来看看，很实用-Experimental s3c4510 book, everyone can download them to see, it is practical

FSK解码原理及实现方法-FSK decode principle and method

最基本的Linux驱动程序，自写，如按键和GPIO的驱动程序，基于S33C2410开发板，希望对初学者有所帮助-basic Linux driver,written myself,including the key driver and gpio driver ,holp it is helpfull for freshmen of arm linux driver designer.

参加今年的比赛肯定要用的。谢谢支持。祝大家好运！-to participate in this year"s competition sure to use. Thank you support. Luck!