Data input method, device, dual-chip point-of-sale terminal, and storage medium

Abstract

A data input method, which is applied to an application chip and includes steps of: entering a secure input mode upon detecting a preset touch event; obtaining target information of a preset double-click event upon detecting the preset double-click event within a preset time period; sending the target information to a security chip and receiving target data corresponding to the target information returned by the security chip; and uploading the target data to an application layer upon detecting that an input is completed. In the present application, touch data detected based on a touch screen is filtered by means of the application chip, and only the detected target information is sent to the security chip for processing, and a multi-touch signal of the touch screen is processed by means of the security chip based on the software logic to determine the input data of the visually impaired user.