SD (Secure Digital) card non-plugging programming control device and method for FPGA (Field Programmable Gate Array) prototype system

Abstract

The invention provides an SD card non-plugging programming control device and method for an FPGA prototype system.The device comprises an FPGA module, an upper computer and an SD card expansion board; the upper computer is connected with the FPGA module, the upper computer is connected with an upper computer channel of the SD card expansion board, the FPGA module is connected with an FPGA channel of the SD card expansion board, The SD equipment controller of the FPGA module is used for converting a direct address access request sent by the processor core into an SD card operation command, reading data from an SD card of the SD card expansion board through the FPGA channel and returning the data to the processor core; the SD equipment controller of the FPGA module is further used for generating a corresponding SD card expansion board readable signal according to a control command sent by the upper computer and sending the SD card expansion board readable signal to the SD card expansion board through the SD card expansion board control line. According to the invention, the connection path of the SD card expansion board can be remotely controlled and selected on line to read and write or program the SD card, and the SD card is prevented from being manually plugged and unplugged.

Description

technical field [0001] The invention relates to the field of control of FPGA prototype systems, in particular to an SD card non-pluggable programming control device and method for FPGA prototype systems. Background technique [0002] By integrating the processor core, the on-chip interconnection network, and the device controller according to the final chip requirements, the system-on-chip (SOC) is implemented in the FPGA system and constructed using the physical devices of the FPGA itself and the FPGA expansion board. A set of FPGA prototype system is a system built with FPGA and its extended equipment as the physical carrier and SOC system as the functional logic. [0003] The FPGA prototype system needs to continuously update the test stimulus during the test process. The test stimulus is stored in the SD card, that is, in the SOC system, the processor core reads and writes data from the SD card through the Internet and the SD card controller, so as to perform A test of ...

AI Technical Summary

Problems solved by technology

This method leads to manual plugging and unplugging of the SD card during work, resulting in the inability to perform remote control, and cannot use automated methods for testing. At the same time, there are hidden dangers in data security. Frequent plugging and unplugging may cause damage to the interface and is not conducive to standardization.

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