| Internet of things is based on the Internet and sensing technology, along with thedevelopment of the Internet and sensing technology, the Internet of things is also inconstant development.The iot systems and the Internet of things each link to improvepeople’s living quality and to increase the production efficiency is significant.Iotgateway is Internet transport layer product, so far, there has been a lot at home andabroad on the study of the theory of the iot gateway, but to form a relatively matureproduct and spread to all walks of life, need a certain amount of time.Iot gateway isused to realize communication between networks and sensor networks protocolconversion, iot gateway will eventually environment parameters into humancognitive data form.So, the use of iot gateway can link perception layer and userlayer, make people to monitor the environment parameter, grasp the importantinformation in the production and living.This article is based on Internet of things, and the development of the iot gatewaystatus, realizes the sensing layer of iot gateway design, mainly solve the perceptionlayer ZIGBEE protocol and network layer of the TCP protocol conversion.First,basic requirements of iot gateway design, proposes the iot gateway hardware,software, the overall design of the architecture.Secondly, according to the hardwaredesign of the overall architecture design each function module circuit diagram thatiot gateway, including ARM core module, ZIGBEE communication module, networkmodule and power module. By using the theory of module TuZhi make iot gatewayproducts. Again, according to the overall architecture design of a software design ofthe software part of the iot gateway, software part includes BootLoader bootstrap oftransplantation, transplantation of LINUX system, the root file system of the writingof the production and application.Where the application is the main application of iotgateway functions, including ZIGBEE, TCP, and WEB applications. ZIGBEE isresponsible for ZIGBEE sensor data under the agreement to receive and parse, store,and the state of the sensor to monitor, etc. TCP is responsible for user layer in the TCP protocol to sensors in the iot gateway data collection.WEB application isresponsible for the user Settings for iot gateway and iot gateway with the sensornetwork. Finally, an example using the upper software protocol conversion functionfor iot gateway product, stability test, prove that iot gateway products productionsuccess and on the Internet of things based on ZIGBEE and TCP gateway design issummarized. |
