| 摘要: |
| 介绍了DSP（以TMS320F2812为例）Flash程序在线升级方法的总体设计思路，以及上位机、下位机两部分的设计。本方法选择基于RS422通信接口实现，方便快捷且安全可靠，可提高DSP Flash程序在线升级的易用性和可操作性，已经过实践检验。 |
| 关键词: DSP Flash程序 在线升级 RS422通信接口 |
| 基金项目: |
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| Method of DSP Application Upgrading Online Based on RS422 |
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Zhu Yanfang Li Yanjuan Yang Xi Fu Shi
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Hubei Sanjiang Space Hongfeng Control Co, Ltd.
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| Abstract: |
| This paper introduces the overall design ideas of the method of DSP (takeing TMS320F2812 as an example) Flash program upgrading online and the designs of the PC and the PLC. The upgrading online method is based on RS422 communication interface, which is convenient and safe. It can improve the usability and operability of DSP Flash application upgrading, which has been tested in practice. |
| Key words: DSP Flash program upgrading online RS422 communication interface |
