| 基于Modbus协议的触摸屏与PIC单片机的通信实现 |
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| 引用本文： | 孟华,王鹏达,李明伟.基于Modbus协议的触摸屏与PIC单片机的通信实现[J].仪表技术与传感器,2009(10). |
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| 作者姓名： | 孟华 王鹏达 李明伟 |
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| 作者单位： | 大连理工大学电子与信息工程学院,辽宁大连,116023 |
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| 摘 要： | 介绍了PIC 单片机与威伦触摸屏的通讯方法及实现过程.简要分析了Modbus通讯协议,给出了PIC 单片机与触摸屏异步串行通讯的硬件连接图和软件主要功能流程图,对测试结果进行了分析.实验验证:该方法稳定可靠,目前已成功应用于光电色选机系统,同时也为开发者采用触摸屏与带串行接口的智能设备之间的通信连接提供了参考.
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| 关 键 词： | PIC单片机 威伦触摸屏 Modbus协议 串行接口 |
Implementation of Communication between PIC Signal Chip Professor and Touch-screen Based on Modbus Protocol |
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| Abstract: | This paper introduced the communication method between PIC signal chip professor (SCP) and Weilun touchscreen and its implementation. It briefly analyzed Modbus protocol, provided scheme diagram of asynchronous serial co mmunication between PIC SCP and Weilun touch-screen, and presented parts of key program chart. The experimental results show that this method is steady and reliable,and it provides reference to the developers who use Weilun touch-screen and PIC SCP. |
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| Keywords: | PIC signal chip professor Weilun touch-screen modbus protocol serial interface |
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