FPGA and DSP remote loading system based on MicroBlaze

Abstract

The invention belongs to the technical field of software and hardware design of an embedded system taking an FPGA and a DSP as frameworks, and particularly relates to a MicroBlaze-based FPGA and DSP remote loading system which comprises an FPGA chip, a DSP chip, a PHY chip and a FLASH chip, and the remote loading is mainly realized through a soft core and logic design in the FPGA chip; for updating of an FPGA chip, an upper computer issues an FPGA chip configuration file to be updated to a MicroBlaze soft core in the FPGA chip through a network port by means of the Ethernet, the soft core analyzes effective data through a Lwip network protocol and then transmits the data to an fpgaloadctrl loading module of the FPGA chip through an AXI bus, and the fpga_load_ctrl loading module loads the data. The loading module caches data and stores the data into a FLASH chip through an SPI bus interface; for updating of the DSP chip, an updating configuration file of the DSP chip is issued through the upper computer, and after the MicroBlaze soft core receives the data, the MicroBlaze soft core updates the DSP chip; the mode of updating programs of the FPGA and the DSP is enabled to be more convenient, and the efficiency is greatly improved.

Description

technical field [0001] The invention belongs to the technical field of software and hardware design of an embedded system based on FPGA and DSP, and in particular relates to a MicroBlaze-based FPGA and DSP remote loading system. Background technique [0002] In aerospace, industrial control, radar and other fields, devices designed with Field Programmable Gate Array (FPGA) + Digital Signal Processor (DSP) are widely used. FPGA can complete high-speed acquisition of peripheral data and complex logic control, and realize various control and communication protocols. DSP interacts with FPGA to analyze and process the collected data through complex algorithms through DSP. [0003] In general, these devices require constant updates to improve the system software. For large-scale systems with multiple devices and chassis, if the system software is updated by connecting the emulator through the JTAG interface, all boards need to be removed from the chassis and connected to the emul...

AI Technical Summary

Problems solved by technology

For large-scale systems with multiple devices and chassis, if the system software is updated by connecting the emulator through the JTAG interface, all boards need to be removed from the chassis and connected to the emulator one by one for software upgrade, which is not only time-consuming Energy-intensive, and there is a certain risk of changing the status of the equipment, which is not conducive to the maintenance and management of the equipment

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