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A verifiable flash data programming method based on tcp mode

A data and data transmission technology, applied in the direction of response error generation, redundant code error detection, etc., can solve the problems of increased development difficulty, long time, and protection of FLASH data programming errors in measurement and control devices, etc., to achieve programming Reliable, fast results

Active Publication Date: 2015-08-12
NARI TECH CO LTD
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Problems solved by technology

[0003] But at present, the time required to burn the FLASH itself has doubled; at the same time, most of the mainstream BMCs now use ARM9 core microprocessors, and most of them use JTAG to download the bootloader to the SPI FLASH during the debugging process. To write the bootloader into SDRAM through JTAG, then start the bootloader in SDRAM, and then download the firmware through the tftp tool of the bootloader, and then write it into SPI FLASH. First, this method takes a long time, and for some ARM The chip also needs to send some configuration script commands through JTAG to download the bootloader to the sdram, which makes the development more difficult; moreover, it is easy to cause errors in programming the FLASH data of the protection measurement and control device, and the writing speed is slow, which is not suitable for the mass production stage

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  • A verifiable flash data programming method based on tcp mode

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Embodiment Construction

[0019] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0020] The present invention realizes the fast programming of FLASH data of the intelligent substation protection measurement and control device plus verification by forming a software flow, which is based on the verifiable FLASH data programming method in the TCP mode, and completes the low-voltage protection of the running LINUX operating system The measurement and control device implements fast data programming and verifies the data. The overall steps of the method are as follows:

[0021] (1) Create a connection with the target FLASH module;

[0022] (2) Import the file and calculate the CRC check code;

[0023] (3) Subpackage the file and transfer it to the target module;

[0024] (4) Analyze the data and calculate the CRC checksum and comp...

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Abstract

The invention relates to a verifiable flash data programming method based on a transmission control protocol (TCP) way, which belongs to the field of the automation of a power system, and the method comprises the following steps of connecting a protection measuring and control device, packaging data to be programmed, calculating verification, inputting the data into an internal memory of the protection measuring and control device, finally writing the data and the verification into a flash, reading the data which is written into the flash, and calculating the verification. Due to the adoption of the method, fast writing of device data can be completed, the data programming error code problem of the protection measure and control device can be solved, and reliability in data programming can be realized. The flash data programming method has the advantages of verifiability, fast speed, reliability, accuracy and the like.

Description

technical field [0001] The present invention relates to a FLASH data programming method with verification added to an intelligent substation protection measurement and control device, in particular to a verifiable FLASH data programming method based on TCP (Transmission Control Protocol, transmission control protocol) mode , which belongs to the field of power system automation. Background technique [0002] Smart substations and smart components Smart substations are composed of advanced, reliable, energy-saving, environmentally friendly, and integrated equipment. Based on high-speed network communication platforms for information transmission, they automatically complete basic information collection, measurement, control, protection, measurement, and monitoring. functions, and can support substations with advanced application functions such as real-time automatic control of the power grid, intelligent regulation, online analysis and decision-making, and collaborative inter...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F11/10
Inventor 张春雷张庆伟黄琦
Owner NARI TECH CO LTD
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