Protothreads is a view of the macro function library of C language after packaging, the simulation without a stack of lightweight thread environment for C language, unique mechanism, can realize the simulation thread occlusion conditions semaphore operation in the operating system, so as to make the program to achieve multi-threaded operation. In this paper, the communication Arduino and 5100 network module implementation of double protocol based on purpose, to upload data and reverse control remote sensor node equipment through the device clouds.
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