Embedded equipment compatible to a plurality of types of LCD screens

Abstract

The invention provides embedded equipment compatible to a plurality of types of LCD screens. The equipment comprises an LCD hardware interface layer, an LCD interface shielding layer, a bootstrap program layer and an inner core LCD drive layer, wherein the LCD hardware interface layer is a physical interface for transmitting LCD screen data; the LCD interface shielding layer is used for shielding difference of the LCD physical interfaces to an upper layer and transmitting LCD type data to the upper layer; the bootstrap program layer is used for acquiring the type of the LCD and transmitting to an inner core layer of an upper layer operation system by taking the type of the LCD as a parameter; the inner core LCD drive layer is used for acquiring the LCD type parameter transmitted by inner core bootstrap program of the operation system and selecting correct LCD parameter configuration from an LCD drive list for loading. By adopting the technical scheme, complex LCD parameter configuration is simplified into a plurality of independently processed local problems, and subsequent extension of products to various LCD screens is solved. The layered structure guarantees that the LCD drive program of the product has relatively good portability and can work in different system platforms.

Description

technical field [0001] The invention relates to the field of embedded devices, and is suitable for embedded devices such as handheld devices and mobile devices with LCD screens. Background technique [0002] Due to the characteristics of small size, light weight, zero radiation, no flicker, low power consumption, strong anti-interference ability, and higher picture quality, LCD screens are widely used in embedded devices, especially handheld mobile devices. In the handheld reader ZXRIS3600C1 of the RFID product line, a variety of LCD screens of different grades are used. [0003] Due to the large number of LCD screen manufacturers and different screen parameter settings, the driver of the same LCD screen cannot be compatible with a variety of LCD screens from different manufacturers and different configurations. This has just caused that if the device needs to replace the screen (screen damage, upgrade screen), the software version must be updated at the same time, causing ...

AI Technical Summary

Problems solved by technology

[0003] Due to the large number of LCD screen manufacturers and different screen parameter settings, the driver of the same LCD screen cannot be compatible with a variety of LCD screens from different manufacturers and different configurations.

This has resulted in that if the device needs to replace the screen (screen damage, upgrade screen), the software version must be updated at the same time, causing difficulties for compatible replacement of LCD devices

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