本源程序是为数字温度传感器DS18B20而编写的驱动程，只需调用一个函数就可以完成温度的读取，开发者不需了解关于单总线的协义及编程方法，就可完成通过DS18B20测取温度，特别适用初学者。-Are the source for digital temperature sensor DS18B20 prepared driver, just call a function on the temperature reading to be completed, developers do not know about single-Bus Association justice and programming methods, testing can be completed through DS18B20 check the temperature, especially suitable for beginners.