基于FPGA和DS18B20的多路温度测量系统

The Multi-channel Temperature Measurement System Based on FPGA and DS18B20

介绍基于FPGA和DS18B20数字温度传感器的多路温度测量系统。以FPGA为开发平台,利用单总线数字温度传感器DS18B20测量并暂存各路温度值,通过FPGA实现多路温度值的采集和驱动具有良好用户界面的液晶显示模块(LCM)实时显示测量的各路温度值。该方案具有可方便实现多路温度测量、软件编程灵活、硬件控制电路可重构、可靠性高、测温精度高、应用面广等特点。实验结果表明该系统控制性能优越,程序执行时间短,运行速度快。

Introduce the multi-channel temperature measurement system based on FPGA and DS18B20 digital temperature sensor,To FPGA platform for the development, use of single-bus digital temperature sensor measurements and temporary storage of all DS18B20 temperature value,and FPGA control collection of the multi-channel temperature and drive the LCD module that has a good user interface （LCM） real-time display of all measuring the temperature. The programme is to facilitate the realization of multi- temperature measurements, flexible software programming, hardware control circuit reconfigurable, high reliability, high temperature measurement accuracy, a wide range of applications, and other characteristics. Experimental results show that the system control superior performance and procedures short time, run faster.