一种基于蓝牙通信的FPGA无线下载器设计

摘要

在对Xilinx可编程器件进行配置的过程中,为了避免必须使用专用有线下载器的弊端,设计了一种基于蓝牙通信的无线下载器.以ST公司STM32F103单片机作为下载器的核心处理器,主从机一体蓝牙模块HC-05负责接收无线数据并交由单片机处理,片外存储器SD卡负责存储通过无线接收的器件配置文件.在ARM处理器中嵌入FATFS文件系统方便管理配置文件,通过解码程序将配置文件转化为符合JTAG协议的时序信号完成对可编程器件的配置,实现了对Xilinx可编程器件FPGA的无线配置.%To overcome the disadvantage of unavoidable use of a special wired downloader in the process of configuring Xilinx programmable device,a wireless downloader was designed on the basis of Bluetooth.Using ST's STM32F103 single chip as core processor,the downloader adopted master-slave integrated Bluetooth module HC-05 to receive wireless data and send it to the single chip for treatment,and used off-ship memory SD card to store device configuration files received in the wireless way.FATFS file system was embedded into the ARM processor to facilitate management of configuration files.A decoding program was used to translate configuration files into sequence signal conforming to JTAG protocol,thus completing configuration of the programmable device and realizing wireless configuration of Xilink programming device FPGA.