【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。更多还原

【Abstract】 This paper introduced the communication method between PIC signal chip professor(SCP) and Weilun touch-screen 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.更多还原