基于Freescale DSP的实验教学平台搭建

以Freescale MC56F8346型数字信号处理器（Digital Signal Processor,DSP）评估板为核心,开发了一款实验教学平台。该实验教学平台利用现场可编程门阵列（Field-Programmable Gate Array,FPGA）拓展DSP的通用输入输出接口（General Purpose Input and Output,GPIO）资源,在外围拓展电路中加入电机、通信和人机交互等模块,使得实验教学平台不仅支持电机控制、数模转换等常见的硬件实验,还可以支持FIR滤波、FFT变换等经典的信号处理实验以及标准电流环输出等与工程实际应用紧密结合的实验,对提高本科生以及研究生对相关专业知识的理解具有十分重要的辅助作用。该平台已成功应用于本科生实验教学,并取得了良好的教学效果。

Construction of the experiment teaching platform based on freescale DSP

An experiment teaching platform has been built based on the Freescale MC56F8346 type DSP（Digital Signal Processor,DSP）.FPGA is used to expand the GPIO（General Purpose Input and Output,GPIO）of the DSP.In addition motor,communication and human-computer interaction modules are added in the peripheral circuit.So the platform can not only complete motor control,digital-to-analog conversion and other common hardware experiments but also can complete classic signal processing experiments such as FIR filtering,FFT transforming.Experiments like standard current loop output which is closely integrated with the practical application of engineering are also in count.This experiment system will offer great help to deepen the understanding on relevant expertise for both undergraduate and graduate students.The platform has been successfully used in undergraduate experiment teaching and achieved good teaching effect.