Recording and comparing method

A technology for comparing programs and memory cards, applied in static memory, read-only memory, instruments, etc., can solve the problems that the signal is not a logical signal, the memory card with data error cannot be screened out, and the data of the memory card cannot be correctly interpreted, etc.

Inactive Publication Date: 2009-05-06
INVENTECSHANGHAI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the comparison program after burning, if the connection between the memory card and the host is interrupted, the signal read from the memory card will not be a correct logic signal, and the burning and comparison program cannot correctly interpret the data stored in the memory card. Data, no memory cards with data errors can be screened out

Method used

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  • Recording and comparing method

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Embodiment Construction

[0021] The programming and comparison method provided by the present invention first initializes the memory card for the first time to confirm that the memory card is connected to the host computer; then burns and copies the system data to the memory card; then performs the second initialization on the memory card Initialize for the first time, and judge whether the memory card is connected to the host by the second initialization; when the memory card is indeed connected to the host, compare the system data stored in the host and the memory card; finally generate the comparison result of the system data, and based on this Filter out memory cards with incorrect system data.

[0022] The memory card in the following embodiments, such as the memory card of the navigation device, can store the operating system of the navigation device (GPS) to control the operation of the navigation device, and can also store map information and voice information to provide a traffic route require...

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Abstract

The invention discloses a recording and comparing method. Firstly, a memory card is initialized for the first time to confirm whether the memory card is connected with a host computer; secondly, the system data is recorded to the memory card; and thirdly, the memory card is initialized for the second time to determine whether the memory card is connected with the host computer based on the second initialization. When the memory card is connected with the host computer, the data stored in the host computer and the system data stored in the memory card are compared with each other and then a compared result of system data is generated.

Description

technical field [0001] The invention relates to a burning and comparison method, in particular to a memory card burning and comparison method. Background technique [0002] The Global Positioning System (GPS) is a navigation system that combines satellite technology and wireless technology. The navigation system can be applied to related operations such as positioning and measurement. The early application of GPS was limited to the military, for example, it was used to locate attack targets such as fighter planes, ships, vehicles, and personnel. Today, GPS has been opened to civilian use, such as car navigation systems, which can provide drivers with sufficient driving information. [0003] The GPS device usually has a card slot for installing a memory card. The memory card mainly stores the operating system of the GPS device to control the operation of the GPS device. The memory card can also record icon information or voice messages of some traffic routes to guide the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11C16/10G06F13/00
Inventor 刘庆珍
Owner INVENTECSHANGHAI TECH
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