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| 摘要: |
| 详细介绍了基于通用串行总线(USB)专用芯片PDIUSBD12(D12)及其相关电路的硬件设计方案、转换装置微处理器AT89C52(MCU)的firmware程序设计方案、基于Windows驱动模型标准(WDM)技术的Windows下的驱动程序设计方案和基于基础类(MFC)技术的Windows下试验程序的设计方案。列举了研制工作中的难点:USB总线枚举过程的调试和Windows下WDM模式的驱动程序设计,并给出了相应的解决方案和调试经验。 |
| 关键词: USB,RS-485,数据转换,远程监控,驱动程序 |
| DOI： |
| 分类号:TN911.7 |
| 基金项目: |
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| Research on interface between USB and RS-485 |
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ZHANG Chun XU Shi-jie WANG Yi-ming
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| Abstract: |
| The USB(Universal Serial Bus)-based chip PDIUSBD12 and the hardware design of its peripheral circuits are introduced in detail,as well as the firmware design on microprocessor AT 89C 52 for data exchange,WDM(Windows Driver Model) technology-based driver application design on Windows platform and MFC(Microsoft windows Foundation Class) technology-based test application design on Windows platform. Pinch points are summarized,such as the debugging for USB enumeration and driver application in WDM mode. Associated measures and experiences are provided. |
| Key words: USB,RS - 485,data exchange,remote supervision,driver application |
