可用于 51系列单片机与触摸屏之间的通讯 （一般用modbus实现通讯）...

擦除DS12C887时钟芯片的内部数据存储空间-Erase the internal clock chip DS12C887 data storage space

modbus 通讯程序 物理层rs-485-Modbus communication procedures rs-485 physical layer

SD卡开发源程序，可根据用户实际硬件修改-SD Card source files, users can change the actual hardware

采用MPLAB开发，计算球面坐标到高斯坐标的投影，经度小于1m-Using MPLAB development, calculation of spherical coordinates to Gaussian projection coordinates, longitude less than 1m

profibus从站模拟量接口模块设计.rar-Profibus station analog interface module design. Rar

一种很有用的搜寻算法，对开发1-wire很有用-a very useful search algorithm, to the development of 1-wire useful

用0832做的波形发生器 做信号的可以看看 用单片机控制的-0832

从官方网站获得的CanOpen通讯协议的全部资料，已经按照内容更改文件名，这是最全的协议了-Obtained from the official website of the All CanOpen communications protocol has been changed in accordance with the contents of the file name, which is most of the protocol

51在多机通讯时可采用此方式，3线式，忙时可无限等待，闲时传输速率高-51 in the multi-machine communication use this form, a three-line, busy waiting for an unlimited time, in his spare time high speeds

crc 51 单片机计算程序，保证51利用串口通讯的可靠传输-crc 51 single-chip computing