| 二维DMA在链路口数据传输中的应用 |
| |
| 引用本文： | 窦如宽,张庆国,马小勤.二维DMA在链路口数据传输中的应用[J].电脑编程技巧与维护,2011(22):71-74. |
| |
| 作者姓名： | 窦如宽 张庆国 马小勤 |
| |
| 作者单位： | 1. 中海油服泛太平洋钻井有限公司,天津,300270
2. 昆明船舶设备研究试验中心,昆明,650051 |
| |
| 摘 要： | 采用二维DMA方式进行外设高速缓存区到DSP内核的数据块实时传输,以解决高速并行信号处理系统中的数据总线传输瓶颈问题1]。在分析二维DMA方式控制原理的基础上,给出了具体操作步骤。结合工程实例,介绍二维DMA在并行信号处理系统中的应用,给出了DSP链路口数据传输的二维DMA控制软件流程图和关键代码。
|
| 关 键 词： | ADSP-TS201 二维DMA LVDS 链路口 |
Application of Two-dimensional DMA in Link Ports Data Transfer |
| |
| DOU Rukuan,ZHANG Qingguo,MA Xiaoqin.Application of Two-dimensional DMA in Link Ports Data Transfer[J].Computer Programming Skills & Maintenance,2011(22):71-74. |
| |
| Authors: | DOU Rukuan ZHANG Qingguo MA Xiaoqin |
| |
| Affiliation: | DOU Rukuan1,ZHANG Qingguo2,MA Xiaoqin2(1.China Oilfield Services Limited,Tianjin 300270,2.CSIC 750 the Sixth Research Department,Kunming 650051) |
| |
| Abstract: | The two-dimensional approach to peripheral DMA buffer to the high-speed DSP core block of real-time transmission of data to address the high-speed parallel signal processing system data bus transmission bottlenecks1].In the analysis of two-dimensional DMA mode based on control principle,given the specific steps.Combine engineering examples in troduced Application of two-dimensional DMA in Parallel signal processing systems,DSP chain intersection given two-dimensional DMA data transfer control software flow... |
| |
| Keywords: | ADSP-TS201 two-dimensional DMA LVDS link ports |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
