Dual-core work system and method for electronic tag system

An electronic label, working system technology, applied in various digital computer combinations and other directions, can solve the problems of reduced sensitivity, increased static current, easy receiver saturation, etc., achieves low cost, low power consumption, and solves crashes and timing. The effect of resetting the problem

Active Publication Date: 2014-01-22
汉朗网络信息科技(北京)有限公司
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Problems solved by technology

[0009] First, if the receiver in the wireless transceiver is in the receiving state for a long time and cannot reset the main controller regularly, the receiver will easily enter a saturated state and the sensitivity will be greatly reduced
[0010] Second, the electronic label will bring a certain strong interference source to the main controller during the working process, which may easily cause the main controller to fail to work normally or the program to run away.
However, in the face of the above-mentioned existing anti-crash methods, if the hardware watchdog technology is adopted, although the cost of the hardware watchdog chip is ver

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  • Dual-core work system and method for electronic tag system
  • Dual-core work system and method for electronic tag system

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Embodiment Construction

[0040] Such as figure 1 The present invention proposes a dual-core working system for an electronic label system, which includes a main controller 10 and a monitoring controller 20, wherein: the corresponding IO interface on the main controller 10 is connected to the monitoring controller 20 through the interface circuit 30 The main controller 10 has a built-in wireless transceiver 11 for wireless communication with the electronic tag 41 in the electronic label system 40, or the main controller 10 is externally connected with the electronic label in the electronic label system 40 41 Wireless transceiver 11 for wireless communication. For example, the wireless transceiver 11 performs wireless communication with the communication device on the electronic tag 41. The wireless transceiver 11 may be a radio frequency transceiver.

[0041] The main controller 10 and the monitoring controller 20 can be selected as single-chip microcomputers with low power consumption characteristics. ...

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Abstract

The invention discloses a dual-core work system and method for an electronic tag system. The dual-core work system comprises a main controller and a monitoring controller. A corresponding IO interface of the main controller is connected with a corresponding IO interface of the monitoring controller through an interface circuit, and a wireless transceiver is internally or externally arranged on the main controller in a connecting mode. According to the dual-core work method, the work mode that the main controller and the monitoring controller are in mutual real-time monitoring and regular restoration is mainly used. The dual-core work system and method can meet the requirements for being strong interference resistance, low in cost, low in power consumption, capable of achieving monitoring in real time, and capable of completely solving the problem of dead halt and restoring regularly of the electronic tag system at present, and is particularly suitable for electronic tag systems under complex electromagnetic environments.

Description

Technical field [0001] The invention relates to a dual-core working system and method for an electronic label system, and belongs to the technical field of electronic labels. Background technique [0002] In the civil system of electronic products, the application of single-chip microcomputer is increasing. At present, due to system interference factors, design defects and other problems, the single-chip microcomputer cannot be started or cannot be executed normally according to the predetermined program after starting, and the phenomenon of "dead machine" occurs frequently. The reason is that when the interference acts on the bus or other interface lines When the controller MCU is used, it will cause the program counter value in the controller MCU to change, causing program confusion and system out of control. Therefore, when designing a single-chip microcomputer system, how to find that the controller MCU is disturbed and restore the system to a normal working state as undistu...

Claims

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Application Information

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IPC IPC(8): G06F15/17
Inventor 陆启兵夏兴隆孙刚
Owner 汉朗网络信息科技(北京)有限公司
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