Method and system for upgrading different display screens through same software
A software upgrade and display technology, applied in the field of electronics, can solve the problems of large investment, product research and development, trouble in production and maintenance, errors, etc., and achieve the effect of convenient research and development
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Embodiment 1
[0028] figure 1 , which shows a flowchart of a method for upgrading different display screens using the same set of software provided by Embodiment 1 of the present invention. The specific steps of the method are as follows:
[0029] Step S101, start the device, run the upgrade software, and read the value in the EEPROM;
[0030] More specifically, before the step S101, it also includes: entering the program initialization, initializing the value in the EEPROM, and initializing the upgrade software in the Nand Flash;
[0031] In the embodiment of the present invention, the upgrade software is initialized and stored in Nand flash (Nand flash memory), and the value is preset in EEPROM (Electrically-Erasable Programmable Read-Only Memory, Electrically Erasable Programmable Read-Only Memory), where the parameter value is 0-n, n is a positive integer;
[0032] In the product with the same screen, the screen parameters of the device are saved in the upgrade software in two places,...
Embodiment 2
[0058] Figure 5 , shows a schematic structural diagram of a system for upgrading different display screens using the same set of software in Embodiment 2 of the present invention. The system includes: a reading unit 51 , a changing unit 52 , a forced switching unit 53 and a loading unit 54 .
[0059] The reading unit 51 is used for running the upgrade software when the device is started, reading the value in the EEPROM, and judging whether the device starts normally.
[0060] The changing unit 52 is used to change the value in the EEPROM when the device starts normally, so that the screen model corresponding to the value is consistent with the current screen model of the device.
[0061] The forced switching unit 53 is used to forcibly change the value in the EEPROM when the device cannot be started normally, and rewrite the changed value into the EEPROM.
[0062] The loading unit 54 is used to query the corresponding screen parameters in the backup area when the screen mode...
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