添加部分源文件和部分通信模块

Modbus_communication/Modbus_RTU_Salve/Modbus_RTU_Salve.vcxproj

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+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{8C67F4EB-BDBE-4605-9291-5A535AC44AE2}</ProjectGuid>
+    <RootNamespace>Modbus_RTU_Salve</RootNamespace>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v120</PlatformToolset>
+    <CharacterSet>MultiByte</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v120</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>MultiByte</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup />
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <SDLCheck>true</SDLCheck>
+    </ClCompile>
+    <Link>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+    </ClCompile>
+    <Link>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClCompile Include="main.cpp" />
+    <ClCompile Include="RTU_common.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="main.h" />
+    <ClInclude Include="RTU_common.h" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>

Modbus_communication/Modbus_RTU_Salve/Modbus_RTU_Salve.vcxproj.filters

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+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="源文件">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="头文件">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;hm;inl;inc;xsd</Extensions>
+    </Filter>
+    <Filter Include="资源文件">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="main.cpp">
+      <Filter>源文件</Filter>
+    </ClCompile>
+    <ClCompile Include="RTU_common.cpp">
+      <Filter>源文件</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="main.h">
+      <Filter>头文件</Filter>
+    </ClInclude>
+    <ClInclude Include="RTU_common.h">
+      <Filter>头文件</Filter>
+    </ClInclude>
+  </ItemGroup>
+</Project>

Modbus_communication/Modbus_RTU_Salve/RTU_common.cpp

@@ -0,0 +1,176 @@
+#include "RTU_common.h"
+
+char read_buf[MAX_NUMBER];
+
+/*******************************************************************************************
+ * 功能     ：	打开串口
+ * port     :	串口号, 如("COM1")
+ * baud_rate:	波特率
+ * date_bits:	数据位（有效范围4~8）
+ * stop_bit :	停止位
+ * parity   :	奇偶校验。默认为无校验。NOPARITY 0； ODDPARITY 1；EVENPARITY 2
+
+ * dcb.StopBits= 0,1,2对应的是1bit,1.5bits,2bits.
+ * dcb.ByteSize=6,7,8时   dcb.StopBits不能为1
+ * dcb.ByteSize=5时   dcb.StopBits不能为2
+ ********************************************************************************************/
+HANDLE InitCOM(LPCTSTR Port, int baud_rate, BYTE date_bits, BYTE stop_bit, BYTE parity)
+{
+	HANDLE hCom = CreateFile(Port, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);//同步方式打开串口
+	if (INVALID_HANDLE_VALUE == hCom)
+	{
+		return INVALID_HANDLE_VALUE;
+	}
+	SetupComm(hCom, 4096, 4096);//设置缓存
+	DCB dcb;
+	if (!GetCommState(hCom, &dcb))
+	{
+		cout << "获取串口配置失败" << endl;
+	}
+	dcb.BaudRate = baud_rate;	//波特率
+	dcb.fBinary = TRUE;			//二进制模式。必须为TRUE
+	dcb.ByteSize = date_bits;	//数据位。范围4-8
+	if (stop_bit == 0)
+		dcb.StopBits = ONESTOPBIT;	//停止位
+	if (stop_bit == 1)
+		dcb.StopBits = ONE5STOPBITS;	//停止位
+	if (stop_bit == 2)
+		dcb.StopBits = TWOSTOPBITS;	//停止位
+
+	if (parity == NOPARITY)
+	{
+		dcb.fParity = FALSE;	//奇偶校验关闭
+		dcb.Parity = parity;	//校验模式
+	}
+	else
+	{
+		dcb.fParity = TRUE;		//奇偶校验开启
+		dcb.Parity = parity;	//校验模式
+	}
+	cout << SetCommState(hCom, &dcb) << endl;
+	PurgeComm(hCom, PURGE_RXABORT | PURGE_TXCLEAR | PURGE_RXCLEAR | PURGE_TXABORT);//清除缓存
+	//设置串口读写时间
+	COMMTIMEOUTS CommTimeOuts;
+	GetCommTimeouts(hCom, &CommTimeOuts);
+	CommTimeOuts.ReadIntervalTimeout = 5;
+	CommTimeOuts.ReadTotalTimeoutMultiplier = 1;
+	CommTimeOuts.ReadTotalTimeoutConstant = 0;
+	CommTimeOuts.WriteTotalTimeoutMultiplier = 10;
+	CommTimeOuts.WriteTotalTimeoutConstant = 1000;
+	if (!SetCommTimeouts(hCom, &CommTimeOuts)) {
+		return INVALID_HANDLE_VALUE;
+	}
+	//创建线程，读取数据
+	//HANDLE hReadCommThread = (HANDLE)CreateThread(NULL, 0, CommProc, &hCom, 0, NULL);
+	return hCom;
+}
+
+/*********************************************************************************************
+* 功能     ：   发送响应数据
+* 描述	   ：	向串口写入数据
+* 返回值   ：   true  发送成功   false  发送失败
+* m_hComm  ：   串口句柄
+* data     ：   要写入的数据
+* len      ：   写入数据的长度
+********************************************************************************************/
+bool SendData(HANDLE m_hComm, char* data, int len)
+{
+	if (m_hComm == INVALID_HANDLE_VALUE)
+		return FALSE;
+
+	//清空串口
+	PurgeComm(m_hComm, PURGE_RXCLEAR | PURGE_TXCLEAR);
+	//写串口
+	DWORD dwWrite = 0;
+	DWORD dwRet = WriteFile(m_hComm, data, len, &dwWrite, NULL);
+	//清空串口
+	PurgeComm(m_hComm, PURGE_RXCLEAR | PURGE_TXCLEAR);
+	if (!dwRet)
+		return FALSE;
+	return TRUE;
+}
+
+/*********************************************************************************************
+* 功能     ：   获取串口读取缓存区中数据的字节数
+* 描述	   ：	向串口写入数据
+* 返回值   ：   缓存区中数据的字节数
+* m_hComm  ：   串口句柄
+********************************************************************************************/
+unsigned int GetBytesInCOM(HANDLE m_hComm)
+{
+	DWORD dwError = 0;  /** 错误码 */
+	COMSTAT  comstat;   /** COMSTAT结构体,记录通信设备的状态信息 */
+	memset(&comstat, 0, sizeof(COMSTAT));
+
+	unsigned int BytesInQue = 0;
+	/** 在调用ReadFile和WriteFile之前,通过本函数清除以前遗留的错误标志 */
+	if (ClearCommError(m_hComm, &dwError, &comstat))
+	{
+		BytesInQue = comstat.cbInQue; /** 获取在输入缓冲区中的字节数 */
+	}
+	return BytesInQue;
+}
+
+void MSleep(long lTime)
+{
+	LARGE_INTEGER litmp;
+	LONGLONG QPart1, QPart2;
+	double dfMinus, dfFreq, dfTim, dfSpec;
+	QueryPerformanceFrequency(&litmp);
+	dfFreq = (double)litmp.QuadPart;
+	QueryPerformanceCounter(&litmp);
+	QPart1 = litmp.QuadPart;
+	dfSpec = 0.000001*lTime;
+
+	do
+	{
+		QueryPerformanceCounter(&litmp);
+		QPart2 = litmp.QuadPart;
+		dfMinus = (double)(QPart2 - QPart1);
+		dfTim = dfMinus / dfFreq;
+	} while (dfTim<dfSpec);
+}
+
+int test(void)
+{
+	string COMM;
+	cin >> COMM;
+	HANDLE H_Com = InitCOM((LPCTSTR)COMM.c_str(), 9600, 8, 0, 1);
+	if (H_Com == INVALID_HANDLE_VALUE)
+	{
+		cout << "初始化串口失败" << endl;
+		getchar();
+		return 0;
+	}
+
+	char write_buf[MAX_NUMBER];
+	memset(write_buf, 0, MAX_NUMBER);
+	DWORD dwRead;
+	while (true)
+	{
+		//RTU主站，生成并发送请求，计时，读取响应报文,先发送后接收
+		//生成请求报文
+		//发送请求报文
+
+		PurgeComm(H_Com, PURGE_RXABORT | PURGE_TXCLEAR | PURGE_RXCLEAR | PURGE_TXABORT);//清除缓存
+		while (1)
+		{
+			if (true == SendData(H_Com, "ok", 2))
+			{
+				cout << "发送请求报文成功" << endl;
+				break;
+			}
+		}
+		BOOL bReadOK = ReadFile(H_Com, read_buf, 256, &dwRead, NULL);
+		if (bReadOK && (dwRead > 0))
+		{
+			read_buf[dwRead] = '\0';
+			printf("收到响应：%s \r\n", read_buf);
+		}
+		else
+			cout << "loss" << endl;
+	}
+	CloseHandle(H_Com);
+	getchar();
+	return 0;
+}

Modbus_communication/Modbus_RTU_Salve/RTU_common.h

@@ -0,0 +1,12 @@
+#ifndef __RTU_COMMON_H
+#define __RTU_COMMON_H
+
+#include <Windows.h>
+#include <string>
+#include <iostream>
+using namespace std;
+
+#define MAX_NUMBER 300
+
+int test();
+#endif

Modbus_communication/Modbus_RTU_Salve/main.cpp

@@ -0,0 +1,8 @@
+#include "main.h"
+
+int main()
+{
+	test();
+	getchar();
+	return 0;
+}

Modbus_communication/Modbus_RTU_Salve/main.h

@@ -0,0 +1,6 @@
+#ifndef __MAIN_H
+#define __MAIN_H
+
+#include "RTU_common.h"
+
+#endif

Modbus_communication/Modbus_communication.sln

@@ -3,7 +3,19 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 2013
 VisualStudioVersion = 12.0.30501.0
 MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Modbus_RTU_Salve", "Modbus_RTU_Salve\Modbus_RTU_Salve.vcxproj", "{8C67F4EB-BDBE-4605-9291-5A535AC44AE2}"
+EndProject
 Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Win32 = Debug|Win32
+		Release|Win32 = Release|Win32
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{8C67F4EB-BDBE-4605-9291-5A535AC44AE2}.Debug|Win32.ActiveCfg = Debug|Win32
+		{8C67F4EB-BDBE-4605-9291-5A535AC44AE2}.Debug|Win32.Build.0 = Debug|Win32
+		{8C67F4EB-BDBE-4605-9291-5A535AC44AE2}.Release|Win32.ActiveCfg = Release|Win32
+		{8C67F4EB-BDBE-4605-9291-5A535AC44AE2}.Release|Win32.Build.0 = Release|Win32
+	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection