WIFI communication ARP fool-proof control method and system based on POS and storage medium

Abstract

The invention provides a WIFI communication ARP fool-proof control method based on a POS. the method comprises the following steps of S, starting POS; S2, judging whether to use WIFI communication ornot, if yes, entering the step S3, and if not, timing for a first preset time and repeating the step S2; S3, judging whether the WIFI connection is successful or not, if yes, entering the step S4, andif not, entering the step S2; S4, judging whether the IP address is successfully acquired or not, if yes, entering the step S5, and if not, entering the step S2; and S5, timing a second preset time to send a Gratiitoues ARP to the WIFI wireless router, and requesting the physical address of the IP address of the POS. The invention further provides a POS system with the WIFI communication ARP fool-proof function and a computer readable storage medium.

Description

technical field [0001] The invention relates to a POS-based WIFI communication ARP foolproof control method, system and storage medium. Background technique [0002] POS devices based on single-chip solutions often run lightweight TCP / IP protocol stacks, such as LWIP; lightweight TCP / IP protocols do not have powerful functions. The POS device based on the single-chip solution needs this lightweight TCP / IP protocol when communicating through WIFI, which makes the compatibility between the POS device and the TPC / IP protocol of various WIFI wireless routers crucial. important. [0003] At present, some WIFI wireless routers on the market do not actively send ARP requests, and POS devices do not have corresponding ARP response messages to return to WIFI wireless routers. WIFI wireless routers cannot actively know the physical address of POS devices, which will cause WIFI communication failure of POS devices. . Contents of the invention [0004] The present invention provide...

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Problems solved by technology

[0003] At present, some WIFI wireless routers on the market do not actively send ARP requests, and POS devices do not have corresponding ARP response messages to return to WIFI wireless routers. WIFI wireless routers cannot actively know the physical address of POS devices, which will cause WIFI communication failure of POS devices.

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