The Study On Wireless-Patrol System Based On RF-Card

The embedded Wireless-Patrol System which is based on RF card is one type of intelligent supervisory control device. In this situation, only using a few equipments, it can display and monitor the long-distance RF cards'information. It may mainly apply in safeguard,intelligent village,evidence of identity and other domain;It also can be installed in the company in order to supervise the workers'office hours;Of course it may be used in other domains such as transit management and electronic commercial affairs and so on. It has the vital significance to RFID and the DTMF promotion.The order structure of software and hardware of the whole system has been developed,while is based on the analysis of the theory about the radio frequency and DTMF system. The read-write of the radio frequency cards, the transmit-receive of the DTMF, using the serial port the Intelligent control bench realization to radio frequency cards data receive processing and long-distance monitoring .Major work of this thesis:1. Based on the study of the theory about the radio frequency and DTMF technology standard, portable type of Wireless-Patrol System's detailed project has been put forward.2. All units of the embedded of Wireless-Patrol System have been designed .A method of using U2270B and MFRC500 to accomplish the read-write of the radio frequency cards has been designed. It refers to the MT8880C to transmit-receive of the DTMF. It uses the wireless intercom to complete the DTMF signal's transmission and the long-distance control. The data transmission and the control of the whole system have been implemented by using MSP430F149 as processor.3. The embedded controlled software is compiled. The software of the console PC and the data-management is compiled. The information of the voluntary answer and the data-management is achieved. The designed requirement is achieved.4. The system validity is confirmed through the experiment.