多通道DMA传输测控信号方法  

Multi-channel DMA Transmission Method of Measurement and Control Signal

作　　者：朱道山[1] Zhu Daoshan(Southwest China Institute of Electronic Technology,Chengdu 610036,China)

机构地区：[1]中国西南电子技术研究所,成都610036

出　　处：《单片机与嵌入式系统应用》2023年第4期70-72,共3页Microcontrollers & Embedded Systems

摘　　要：研究了现有测控系统ZYNQ平台中数据传输的两种主要方式,提出了一种全新的多通道DMA传输方法。该方法采用虚通道设计思路,以多通道连续DMA存储+一次性遍历方式,有效减少了ZYNQ平台中PS单元参与数据搬移的过程,大幅提高了数据收发两端的存储能力,可用于数据量大或实时性要求高的应用场景中。In this paper,two main methods of data transmission in the existing transmission system ZYNQ platform are studied,and a new multi-channel DMA transmission method is proposed.This method adopts the virtual channel design idea and adopts the multi-channel continuous DMA storage+one-time traversal mode to effectively reduce the participation of PS unit in the data moving process in the data moving process in the ZYNQ platform.It greatly improves the storage capacity at both ends of the data receiving and transmitting,and can be used in application scenarios with large data volume or high real-time requirements.

关 键 词：虚通道 多通道 DMA ZYNQ 

分 类 号：TN919[电子电信—通信与信息系统]