Method for remotely upgrading FPGA configuration file
A configuration file and remote upgrade technology, applied in software engineering design, instruments, electrical digital data processing, etc., can solve problems such as limited JTAG length, damage to hardware airtight environment, increase hardware design complexity, etc., to achieve flexible upgrade methods Effect
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[0016] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0017] In the present invention, only one default partition is required to store the startup logic, and subsequent upgrade files are loaded into partition B, and the upgrade progress can be displayed through the network port, ensuring reliability and simplicity.
[0018] Step 1: The FPGA and the configuration Flash are connected through the readable and writable interface of the Flash to exchange data. The interface is the JTAG or address data interface of the Flash, and the PC and the FPGA perform data interaction through the network port to realize the transmission of configuration files;
[0019] Step 2: Generate a default startup program for the selected Flash or FPGA, support read and write access to the configuration Flash through the network port, and partition the address space of the Flash, such as figure 2 , divided into boot header partition ...
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