linux驱动开发linux_drive_the_development.rar中文版

pic16f877a和LCD1602显示网址和电话

用8251实现串行口异步通信，自发自收，波特率1200bps。采用查询方式发送与接收。从键盘输入发送字符。发送与接收的字符均在屏幕上显示。按esc键返回dos-Achieved with the 8251 serial asynchronous communication, spontaneous self-income, the baud rate 1200bps. Way to send and receive using queries. To send characters from the keyboard. Send and receive characters are displayed on the screen. Press esc key to return to dos

实现原理是由8279的8*2键盘控制373扩展输出口，由一位片选信号线连接的8088CPU的一个地址上，8279的每一个键值控制8088里面的每一套方案，由8088控制373扩展口输出给单色灯，实现节日灯的效果。-Principle is that by 8279 to achieve the 8* 2 keyboard to control the expansion of output 373, by a chip select signal lines connected to an address on 8088CPU, 8279 every 8088 key control inside each set of program control 373 by 8088 expansion of output to the monochrome lights, festive lights to achieve results.

硬盘主引导扇区读写程序源代码，可用于读取硬盘主引导扇区的信息也可对其进行修改。-hard disk"s master boot sector literacy program"s source code can be used to read hard disk"s master boot sector information may also make changes.

。 。 。 。 。 。 。。 。 -。 。 。 。 。 。 。。 。 。 。 。 。 。 。 。

C8051 rtl的汇编驱动程序，如果能看懂会给你带来很大的好处，学习的好资料.-The driver of C8051 rtl, it will bring you very big benfit if you will read it, it is very nice.

本代码主要是用于在显示系统上实时显示：时，分，秒，-the code is mainly used in the real-time display system shows : when, minutes and seconds.

这是一个读写磁盘文件的例子，其中“infile”为读文件，“wfile”为写文件。-This is a document to read and write disk example, "infile" to read documents, "wfile" written document.

本程序可用于读取计算机存储芯片flashROM上的bios程序-This procedure can be used for computer memory chips to read the bios procedures FlashROM

接口技术，汇编的2个简单的例子-interface technology, the compilation of two simple examples