Device for updating FPGA (Field Programmable Gate Array) from a long distance by CPU (Central Processing Unit) and method therefor

A remote and configuration file technology, applied in the direction of program control device, program loading/starting, etc., can solve problems such as program download difficulties, achieve the effects of improving efficiency and flexibility, easy online upgrade, and cost saving

CN102609287AActive Publication Date: 2012-07-25ZHUZHOU CSR TIMES ELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2012-07-25

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Abstract

The invention discloses a device for updating an FPGA (Field Programmable Gate Array) from a long distance by a CPU (Central Processing Unit) and a method for updating the FPGA from a long distance by the CPU. The device comprises a controller module, an FPGA module, a configuration module and a buffer module, wherein the controller module is connected with an upper computer in a wired / wireless way, a second GPIO (General Purpose Input / Output) interface of the controller module is connected with an enable pin of the buffer controller, an SPI (Serial Peripheral Interface) of the controller module is connected with a data input end of the buffer module, a first GPIO interface of the controller module is connected with a configuration signal of the FPGA module, a data output end of the buffer module is connected with SPIs of the FPGA module and the configuration module respectively, a FPGA configuration file is updated from a long distance based on MPC5200B and a real-time operation system VxWorks. According to the device and the method, the cost is saved, the operability of the system is improved, the design difficulty is reduced, the on-line updating of the FPGA is easily realized, and the configuration efficiency and the configuration flexibility of the FPGA are improved.
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Description

technical field

[0001] The invention relates to an FPGA configuration device and a method thereof, in particular to a device and a method for performing FPGA remote update through a CPU. Background technique

[0002] With the rapid development of railway technology and massive investment in railway construction, major railway electrical equipment suppliers at home and abroad have adopted various advanced product development methods in order to enhance product functions, improve product quality, and shorten product research and development cycles. Technology, such as embedded real-time operating system, high-speed processor technology, especially product modularization technology. In order to quickly respond to market demand, improve its product capabilities, and meet the needs of electric locomotives, urban rail trains, and internal combustion vehicles, China has independently developed a distributed network control system DTECS. The DTECS system adopts the modular distribu...

Examples

Embodiment Construction

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0039] as attached Figures 1 to 7 As shown, a specific embodiment of the device and method for remotely updating the FPGA through the CPU of the present invention is given, and the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0040] as attached figure 1 And attached figure 2 A specific embodiment of a device for remotely updating an FPGA (Field-Programmable Gate Array, ...