| 无线多机共享打印机接口卡设计 |
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| 引用本文： | 任嘉.无线多机共享打印机接口卡设计[J].企业技术开发,2009,28(3). |
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| 作者姓名： | 任嘉 |
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| 作者单位： | 中南林业科技大学电子与信息工程学院,湖南长,沙,410004
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| 摘 要： | 文章介绍了一种由单片机实现的打印机无线共享接口电路的工作原理,硬件结构和软件设计。硬件电路分为从卡和主卡两部分。从卡负责与计算机通信,主卡负责与打印机通信,从卡与主卡间采用无线射频收发芯片nRF401来实现接口间的数据传送。软件设计中采用循环优先权方式解决多台计算机同时申请打印时优先权如何分配的问题。该设计有效地解决了传统的有线共享打印机接口带来的诸多不便,使打印机共享更为方便。
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| 关 键 词： | 无线射频收发芯片 打印共享器 循环优先权 |
Design of wireless multi-computer shared printer's interface card |
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| REN Jia.Design of wireless multi-computer shared printer''s interface card[J].Technological Development of Enterprise,2009,28(3). |
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| Authors: | REN Jia |
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| Institution: | Electronic and Information Engineering College;Central South University of Forestry & Technology;Changsha;Hunan 410004;China |
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| Abstract: | The paper introduced the work principle, hard structure and software design of interface card of wireless multi-computer shared printer that is achieved by single chip computer. The hard circuit is divided into two parts, master card and slave card. Master card is designed to communicate with printer, slave card is designed to communicate with pc, the wireless communication between master card and slave card is achieved by the wireless RF transceiver chip nRF401. The software design is mainly solving the pr... |
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| Keywords: | wireless RF transceiver chip shared printer circulation priority |
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