Method for data acquisition, storage and transmission

A technology of data collection and data transmission, which is applied in electrical digital data processing, memory address/allocation/relocation, instruments, etc. It can solve the problems of shortening the service life of Flash memory, frequent erasing and writing of Flash memory, and slow reading and writing speed of Flash memory. and other issues, to achieve the effect of improving the speed and efficiency of transmission efficiency, improving competitiveness, and fast transmission speed

Active Publication Date: 2012-06-27
XIAMEN YAXON NETWORKS CO LTD
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Problems solved by technology

There are many disadvantages in this method: one is that under the condition of frequent data collection and large amount of data, the number of flash memory erasing and writing is too frequent, which shortens the service life of the Flash memory and thus affects the life of the product; second, the speed of reading and writing the Flash memory is relatively slow , ofte

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  • Method for data acquisition, storage and transmission
  • Method for data acquisition, storage and transmission
  • Method for data acquisition, storage and transmission

Examples

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Embodiment 1

[0034] refer to Figure 1 to Figure 5 As shown, an application example of the present invention is a GPS application system composed of a GPS vehicle-mounted terminal 1 and a GPS center service system 2, wherein the GPS vehicle-mounted terminal 1 and the GPS center service system 2 carry out business data communication through GPRS3. The system illustrates the application of a method for data collection, storage and transmission of the present invention according to the actual application scenarios as follows:

[0035] The GPS vehicle-mounted terminal 1 is a host device installed on the vehicle, which includes subsystems of a microprocessor, memory RAM, Flash, peripheral input and output interfaces, CAN bus communication interface, mobile communication module and satellite positioning module. It mainly plays the role of mobile network wireless data communication and GPS satellite positioning.

[0036] The GPS center service system 2 is a server-based application software for ...

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Abstract

The invention relates to the field of data acquisition, storage and transmission, particularly relates to a method for data acquisition, storage and transmission in an embedded system. The invention provides a method for data acquisition, storage and transmission, which comprises the following flows of: flow A, a data acquisition and storage flow; flow B, data binding and mapping between a transmitting window and a cache region; flow C: a data transmission flow. The method for data acquisition, storage and transmission is simple to realize, steady and reliable, has high efficiency, quick transmission speed and high transmission efficiency, cannot influence the real-time property of the system, and can prolong the service life of products and reduce communication traffic, thereby reducing communication traffic cost.

Description

technical field [0001] The invention relates to the field of data collection, storage and transmission, in particular to a method for data collection, storage and transmission in an embedded system. Background technique [0002] With the development of embedded technology and the diversification of embedded devices, data acquisition, storage and transmission have become key problems that embedded systems often need to solve. [0003] In practical applications, embedded systems basically have two storage media, Flash memory and RAM memory. It is precisely because of these two types of memory that data collection and storage become possible, so they are widely used in mobile storage, digital cameras, MP3 Players, handheld computers, vehicle terminals and other emerging digital devices. [0004] Flash memory, also known as flash memory, is a kind of non-volatile (Non-Volatile) memory, which can keep data for a long time without current supply. When storing data, it needs to be...

Claims

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Application Information

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IPC IPC(8): G06F13/16G06F12/02
Inventor 叶德焰陈挺赖荣东李基勇陈从华黄运峰
Owner XIAMEN YAXON NETWORKS CO LTD
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