NRF905 C51 chip receiver subroutine

一个步进电机单片机控制程序，有电机正反转及加减速控制。

关于sd卡２．２的协议，是sandisk的牌子-2.2 on the sd card agreement is sandisk brand

： 8×8，16×16，至256×256大小的各种字体字母，数字，汉字点阵字库提取程序支持C51和汇编格式,232通信发送二进制文件,能把所生成的字库数据通过232串口发送出去,不用任何协议,方便单片机调试 8×8，16×16，至256×256大小的各种字体的字母，数字，汉字点阵字库提取程序,支持C51和汇编格式,232通信发送二进制文件,能把所生成的字库数据通过232串口发送出去,不用任何协议,方便单片机调试-: 8 × 8,16 × 16, to 256 × 256 size of the various fonts of letters, numbers, Chinese characters dot-matrix font support C51 extraction procedures and compilation format, 232 communications to send binary file, can the font data generated through 232 serial port to send out, without any agreement, to facilitate debugging single-chip 8 × 8,16 × 16, to 256 × 256 size of the various fonts of letters, numbers, Chinese characters dot-matrix font extraction procedures, to support the C51 and compilation format , 232 communications to send binary file, can the generated font data sent through the serial port 232, do not have any agreement to facilitate the single-chip debugging

电子条屏程序，可以实现滚动文字的显示，可以使单片机初学者掌握LED条屏的开发，希望对大家有用。-Article E-screen procedures, can be achieved scrolling text display that allows beginners to master single-chip LED screen be developed, in the hope that useful to everyone.

8051单片机串行读写EEPROM，24C02，本案例采用汇编编写。打包成函数，可直接调用。适合初学者学习。-8051 serial read and write EEPROM, 24C02, compilation of the preparation used in this case. Packaged into a function, can be directly invoked. Suitable for beginners to learn.

J1939源代码，支持PIC18F系列单片机。有详细的说明文档，移植方便。-J1939 source code, support PIC18F MCU. Have a detailed description of the document, to facilitate transplantation.

isd4003的驱动程序,主要用于驱动isd4003的录放,很有用的啊-isd4003 drivers, mainly for the driver isd4003 recorders, very useful ah!

I2C的源代码,经本人测试通过,完全没有任何错误-I2C source code, as I tested, there is no any error

本程序为CAN总线开发程序,通过串口显示,多台计算机远程数据适时传递,用于工业控制-procedures for the development of procedures CAN, serial, multiple computers remote data transmission time for industrial control

一种很好的键盘键扫描方法，对初学者有大大的帮助。-A good keyboard key scanning method, has greatly help beginners.