Printer based on Android system

Abstract

The invention relates to a printer based on an Android system. The printer is provided with part or all interface circuits of a serial port, a USB interface, an internet access, a WiFi module, and a Bluetooth module which can be in communication connection with an upper computer. After printing data of an upper computer is received, print configuration is read. When additional information needs tobe additionally printed, the printing data is stored as an original bill file generated according to a format of 'gfetchdata' plus a timestamp. The original bill file is analyzed, whether a keyword is subjected to additional printing or not is judged, required additional printing content is generated according to the original bill file, and analyzed printing data and additional printing data areprinted and / or displayed as a complete bill, the additional information of additional printing being located in an additional printing area set in the bill. The system is suitable for supporting a plurality of printing interfaces such as serial ports, USB ports, internet accesses, WiFi and Bluetooth in a commercial environment, and can carry out additional information tracing and printing.

Description

technical field [0001] The invention relates to a printer based on an Android system. Background technique [0002] Most of the existing cash register printing devices in shopping malls use the windows operating system. This printing device is usually operated by a special cashier and can be integrated with the store's cash register system and management information system to form a local area network. The needs of large-scale shopping malls, but with the development of information technology and the diversification of needs, this technology also shows limitations, such as the lack of support for serial ports, USB ports, network ports, WiFi and Bluetooth and other printing interfaces Flexibility, complex equipment, a large amount of data processing required, and a lot of resources are taken up, which brings inconvenience to users. In addition, this kind of printing device does not have the function of printing additional information, and it is often difficult to realize the...

AI Technical Summary

Problems solved by technology

[0002] Most of the existing cash register printing devices in shopping malls use the windows operating system. This printing device is usually operated by a special cashier and can be integrated with the store's cash register system and management information system to form a local area network. The needs of large-scale shopping malls, but with the development of information technology and the diversification of needs, this technology also shows limitations, such as the lack of support for serial ports, USB ports, network ports, WiFi and Bluetooth and other printing interfaces Flexibility, complex equipment, a large amount of data processing required, a lot of resource occupation, and inconvenience to users

In addition, this kind of printing device does not have the function of printing additional information, and it is often difficult to realize the requirements of printing QR codes or promotional information on bills.

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