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Data Checkout of Intelligent Sensor in Distributed Remote Temperature Measurement System

机译:分布式远程测温系统中智能传感器的数据校验

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Intelligent sensor DS18B20 is used in distributed remote temperature measurement system. This paper expounds the CRC generator realization principle of intelligent temperature sensor DS18B20. The method of CRC checkout is illustrated about 64-bit serial code reading of intelligent temperature sensor. When reading the temperature data, CRC checkout is also taken into account. The realization rule of CRC checkout for scratchpad is analyzed. The CRC realization program in intelligent temperature sensor based on AT89C51 is given out. The reading program of serial code with data checkout and CRC program based on single bus are designed in detail. This paper also analyzes Cyclic Redundancy Code and traditional error checkout. Data checkout is proved primely in distributed remote temperature measurement system.
机译:智能传感器DS18B20用于分布式远程温度测量系统。阐述了智能温度传感器DS18B20的CRC发生器实现原理。 CRC校验的方法说明了智能温度传感器的64位串行代码读取。读取温度数据时,还将考虑CRC校验。分析了暂存器CRC校验的实现规则。给出了基于AT89C51的智能温度传感器的CRC实现程序。详细设计了具有数据校验功能的串行码读取程序和基于单总线的CRC程序。本文还分析了循环冗余码和传统的错误校验。数据校验主要在分布式远程温度测量系统中得到证明。

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