串口调试助手（C#）

c# 串口 以太网通信 modibus  连接 plc  从文本框输入负数 -2 补码=反+1=进位+原数 Vb 清除输入缓冲区 输出缓冲区 c#用不用清除？？哪个函数？？ //發送二進制數據 ？？？？？？？？？？？？？？ private void SendBytesData(SerialPort serialPort) { ////从 文本框取得数据 如果负数 -2 怎么办？？？？ byte[] bytesSend = Encoding.Default.GetBytes(txtSend.Text); spcom.Write(bytesSend, 0, bytesSend.Length); } 通过MODBUS TCP读写PLC源码 功能模块一：读写PLC主模块 using System; using System.Net; using System.Net.Sockets; public static void WriteWord(int mwAddress,int mwValue) {写字到以太网 if (init_plc() == 0) { try { hi = mwAddress / 256; low = mwAddress - hi * 256; hi1 = mwValue / 256; ///////////16bit low1 = mwValue - hi * 256; sendBuf[7] = 6; sendBuf[8] = (byte)hi; sendBuf[9] = (byte)low; sendBuf[10]

coridic的VHDL愿程序已经在AITIVEHDL中仿真通过-coridic VHDL is willing to have procedures in the simulation through AITIVEHDL

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BCB串口通讯控件-BCB Serial Communication Control

本程序包括一组子程序和中断程序，通过S7-200自由端口功能来产生从Modbus RTU. 它支持下列Modbus功能：----1.读输出(线圈)----2.读输入(触点)----3.读保持寄存器(V 存储器).----4.读输入寄存器----5.写单路输出----6.写单路保持寄存器----15.写多路输出----16.写多路保持寄存器-this includes a subroutine and the interruption procedure for the adoption of the S7-200 free port functions to generate from the Modbus RTU. It supports the following functions : a Modbus. Reading output (2) coil. Reading input (contact)---- 3. Reading maintain registers (V memory ).---- 4. Reading input register---- 5. write single-output---- 6. write to maintain the single-route Register---- 15. write multiple output---- 16. write multiple maintain registers

蓝牙通信系统仿真设计和代码，分为四部分： 信号传输部分，信号接收部分，谱分析显示部分，误码分析部分-Bluetooth communication system simulation design and code, divided into four parts: part of the signal transmission, signal receiving part, spectral analysis shows that part of the error analysis section

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串口通讯类 -The class for serial communication

展讯平台12x12及14x14 宋体字库文件-Spreadtrum platform宋体12x12 and 14x14 font file

VFP中应用收发短信-VFP applications send and receive text messages