📄 comport.cpp
字号:
// ComPort.cpp : Defines the entry point for the application.
//
#include "stdafx.h"
#include <stdio.h>
#include <moxa/devices.h>
#include "ComPort.h"
#include <commctrl.h>
#define MAX_LOADSTRING 100
#define MODBUS_BAUDRATE 115200
#define wMSAddr 1
// Global Variables:
HINSTANCE hInst; // The current instance
HWND hwndCB; // The command bar handle
CComPort m_comport;
UINT crc;
// Forward declarations of functions included in this code module:
ATOM MyRegisterClass (HINSTANCE, LPTSTR);
BOOL InitInstance (HINSTANCE, int);
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM);
LRESULT CALLBACK About (HWND, UINT, WPARAM, LPARAM);
DWORD dwBytesWritten;
DWORD dwBytesRead;
CHANNEL_DATA INIDATA[128],MEMDATA[128];
CIniFile m_iniFile;
CComPort::CComPort()
{
m_hConn = NULL;
m_hMPP = NULL;
m_pConn = NULL;
m_pMPP = NULL;
m_nStation=0;
m_hCurKey = 1;
m_nRec=0;//已接受到的数据长度
memset(m_byRec,0,100);
memset(m_Reg4,0,100);
}
CComPort::~CComPort()
{
if(m_pConn && m_pConn->bConnected)
{
CloseComm();
}
if(m_hConn)
{
GlobalUnlock(m_hConn);
GlobalFree(m_hConn);
}
if(m_hMPP)
{
GlobalUnlock(m_hMPP);
GlobalFree(m_hMPP);
}
}
unsigned short CComPort::CRC16(unsigned char* puchMsg, unsigned short usDataLen)
{
// *puchMsg ; /* 要进行CRC校验的消息 */
// usDataLen ; /* 消息中字节数 */
/* CRC 高位字节值表 */
static unsigned char auchCRCHi[]={
0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,
0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,
0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,
0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,
0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,
0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,
0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,
0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,
0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,
0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,
0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,
0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,
0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,
0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,
0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,
0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,
0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,
0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,
0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,
0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,
0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,
0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,
0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,
0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,
0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,
0x80,0x41,0x00,0xC1,0x81,0x40
};
/* CRC低位字节值表*/
static unsigned char auchCRCLo[]={
0x00,0xC0,0xC1,0x01,0xC3,0x03,0x02,0xC2,0xC6,0x06,
0x07,0xC7,0x05,0xC5,0xC4,0x04,0xCC,0x0C,0x0D,0xCD,
0x0F,0xCF,0xCE,0x0E,0x0A,0xCA,0xCB,0x0B,0xC9,0x09,
0x08,0xC8,0xD8,0x18,0x19,0xD9,0x1B,0xDB,0xDA,0x1A,
0x1E,0xDE,0xDF,0x1F,0xDD,0x1D,0x1C,0xDC,0x14,0xD4,
0xD5,0x15,0xD7,0x17,0x16,0xD6,0xD2,0x12,0x13,0xD3,
0x11,0xD1,0xD0,0x10,0xF0,0x30,0x31,0xF1,0x33,0xF3,
0xF2,0x32,0x36,0xF6,0xF7,0x37,0xF5,0x35,0x34,0xF4,
0x3C,0xFC,0xFD,0x3D,0xFF,0x3F,0x3E,0xFE,0xFA,0x3A,
0x3B,0xFB,0x39,0xF9,0xF8,0x38,0x28,0xE8,0xE9,0x29,
0xEB,0x2B,0x2A,0xEA,0xEE,0x2E,0x2F,0xEF,0x2D,0xED,
0xEC,0x2C,0xE4,0x24,0x25,0xE5,0x27,0xE7,0xE6,0x26,
0x22,0xE2,0xE3,0x23,0xE1,0x21,0x20,0xE0,0xA0,0x60,
0x61,0xA1,0x63,0xA3,0xA2,0x62,0x66,0xA6,0xA7,0x67,
0xA5,0x65,0x64,0xA4,0x6C,0xAC,0xAD,0x6D,0xAF,0x6F,
0x6E,0xAE,0xAA,0x6A,0x6B,0xAB,0x69,0xA9,0xA8,0x68,
0x78,0xB8,0xB9,0x79,0xBB,0x7B,0x7A,0xBA,0xBE,0x7E,
0x7F,0xBF,0x7D,0xBD,0xBC,0x7C,0xB4,0x74,0x75,0xB5,
0x77,0xB7,0xB6,0x76,0x72,0xB2,0xB3,0x73,0xB1,0x71,
0x70,0xB0,0x50,0x90,0x91,0x51,0x93,0x53,0x52,0x92,
0x96,0x56,0x57,0x97,0x55,0x95,0x94,0x54,0x9C,0x5C,
0x5D,0x9D,0x5F,0x9F,0x9E,0x5E,0x5A,0x9A,0x9B,0x5B,
0x99,0x59,0x58,0x98,0x88,0x48,0x49,0x89,0x4B,0x8B,
0x8A,0x4A,0x4E,0x8E,0x8F,0x4F,0x8D,0x4D,0x4C,0x8C,
0x44,0x84,0x85,0x45,0x87,0x47,0x46,0x86,0x82,0x42,
0x43,0x83,0x41,0x81,0x80,0x40
};
unsigned char uchCRCHi = 0xFF ; /* 高CRC字节初始化 */
unsigned char uchCRCLo = 0xFF ; /* 低CRC 字节初始化 */
unsigned uIndex=0 ; /* CRC循环中的索引 */
while (usDataLen--) /* 传输消息缓冲区 */
{
uIndex=uchCRCHi ^ *puchMsg++; /* 计算CRC */
uchCRCHi=uchCRCLo ^ auchCRCHi[uIndex];
uchCRCLo=auchCRCLo[uIndex];
}
return (uchCRCHi<<8|uchCRCLo);
}
bool CComPort::CloseComm()
{
if (m_pConn && !CloseHandle(m_pConn->hCommDev)) //--关闭串口
{
return false;
}
else
{
m_pConn->bConnected = false;
CloseReadThread();
CloseWriteThread();
CloseHandle(m_hReadCloseEvent);
CloseHandle(m_hWriteCloseEvent);
CloseHandle(m_hDataDisposeCloseEvent);
return true;
}
}
void CComPort::CloseReadThread()//封装到外面去
{
SetEvent(m_hReadCloseEvent);
SetCommMask(m_pConn->hCommDev,0);
PurgeComm(m_pConn->hCommDev,PURGE_RXCLEAR);
//等待20秒，如果没有读线程退出，则强制退出
if(WaitForSingleObject(m_hThread,20000) == WAIT_TIMEOUT)
{
TerminateThread(m_hThread,0);
}
CloseHandle(m_hThread);
}
void CComPort::CloseWriteThread()
{
SetEvent(m_hWriteCloseEvent);
SetCommMask(m_pConn->hCommDev,0);
PurgeComm(m_pConn->hCommDev,PURGE_RXCLEAR);
//等待20秒，如果没有写线程退出，则强制退出
/*if(WaitForSingleObject(m_hWriteThread,20000) == WAIT_TIMEOUT)
{
TerminateThread(m_hWriteThread,0);
}
if (WaitForSingleObject(comport->m_hWriteCloseEvent,500) == WAIT_OBJECT_0)//收到写线程退出信号则退出写线程
{//等待0.5秒，如果写线程有退出信号(用 WAIT_OBJECT_0判断)，则退出写线程
//break; 因为没有类似于while的循环，所以不能用
TerminateThread(comport->m_hWriteThread,0);
} */
CloseHandle(m_hWriteThread);
}
//将寄存器值的高位和低位互调,截取值为十六进制字符的数组buf[i]到buf[j],i为数组下标起始值,j为数组下标结束值
void CComPort::ChangeData(unsigned char *buf, int i, int j)
{
// j=i+3;//0,3;4,7;...28,31
if((buf==NULL) || i<0 || i>j || j<0)
return;
unsigned char buff[4];
memcpy(buff,buf+i,4);//buff为新缓冲区地址,buf为源缓冲区地址,类似于镜像复制,拷贝buf数组从i开始的4个字节的值到buff
/////第一次转换//////
memcpy(buf+i,buff+2,1);//buff[6]是没有的
memcpy(buf+i+2,buff,1);
memcpy(buf+i+1,buff+3,1);
memcpy(buf+j,buff+1,1);
/////第二次转换//////
memcpy(buf+i,buff+3,1);
memcpy(buf+i+1,buff+2,1);
memcpy(buf+j,buff,1);
memcpy(buf+i+2,buff+1,1);
}
void CComPort::LoadIniFiles()
{
//WCHAR sVal_com[10],sVal_baud[10],sVal_bytesize[4],sVal_stopbits[3],sVal_parity[3];
WCHAR strTemp[256];
int i=0;
//WCHAR sAddRess[10];
WCHAR strAddKey[5]={0}; //必须初始化，存放Add因为为宽字符存放必须多定义一个字符 [4]就不行
WCHAR strTypeKey[7]={0}; //存放Type 7
WCHAR strCHANNELKey[8]={0};//存放CHANNEL 8
WCHAR strRegCount[9]={0};//存放RegCount 9
WCHAR strbyType[10]={0};//存放byType
WCHAR strComPort[128]={0};
WCHAR strBaudRate[128]={0};
WCHAR strByteSize[128]={0};
WCHAR strStopBits[128]={0};
WCHAR strParity[128]={0};
m_iniFile.GetKeyString(_T("COMM"),_T("ComPort"),_T("COM4"),strComPort);//串口号
m_iniFile.GetKeyString(_T("COMM"),_T("ComPort"),_T("COM4"),strBaudRate);//波特率
m_iniFile.GetKeyString(_T("COMM"),_T("BaudRate"),_T("38400"),strByteSize);//数据位
m_iniFile.GetKeyString(_T("COMM"),_T("ByteSize"),_T("8"),strStopBits);//停止位
m_iniFile.GetKeyString(_T("COMM"),_T("Parity"),_T("0"),strParity);//奇偶校验 #define NOPARITY 0
// m_nStation=strtol( m_iniFile.GetKeyString(_T("COMM"),_T("Station"), "1"),NULL,10); //从站号
m_dcb.byCommPort=strComPort;
m_dcb.dwBaudRate=wcstol(strBaudRate,NULL,10);//波特率
m_dcb.byByteSize=wcstol(strByteSize,NULL,10);//数据位
m_dcb.byStopBits=wcstol(strStopBits,NULL,10);//#define ONESTOPBIT 0
m_dcb.byParity=wcstol(strParity,NULL,10);//奇偶校验 #define NOPARITY 0
m_dcb.byXonXoff=0;
m_dcb.byFlowCtrl=0;//流控制
//获取卡件地址来决定卡件的其他参数配置
m_iniFile.GetKeyString(_T("CARD"),_T("TotalCount"),_T("3"),strTemp);
counts = wcstol(strTemp,NULL,0);
//因为卡件个数可能会随时被修改，所以下面的变量也是不确定的
WCHAR strVal[3]={0};//存取1-9,10-99,100-999,...
for (i=0;i<counts;i++)
{
// strVal = new WCHAR[counts]; //必须分配空间来存储格式化后的字符串，动态分配可以自动去掉由静态分配过多字符而产生的空格问题
wsprintf(strAddKey, _T("Add%d"), i+1); //int格式化为WCHAR型,*strVal="i";
wsprintf(strTypeKey, _T("Types%d"), i+1);
wsprintf(strCHANNELKey, _T("CHANNEL%d"), i+1);
wsprintf(strRegCount, _T("RegCount%d"), i+1);
wsprintf(strbyType, _T("byType%d"), i+1);
m_iniFile.GetKeyString(_T("CARD"),_T("strAddKey"),_T("3"),strTemp);
INIDATA[i].address =_wtoi(strTemp);
m_iniFile.GetKeyString(_T("CARD"),_T("strTypeKey"),_T("AI8MA"),strTemp);
INIDATA[i].devicetype=_wtoi(strTemp);
m_iniFile.GetKeyString(_T("CARD"),_T("strCHANNELKey"),_T("8"),strTemp);
INIDATA[i].CHANumber=_wtoi(strTemp);
m_iniFile.GetKeyString(_T("CARD"),_T("strRegCount"),_T("17"),strTemp);
INIDATA[i].RegNumber=_wtoi(strTemp);
m_iniFile.GetKeyString(_T("CARD"),_T("strbyType"),_T("float"),strTemp);
INIDATA[i].DataType=_wtoi(strTemp);
//m_iniFile.TrimRight(strVal,_T('0'));//去掉多余的0，
////得到自动配置的卡件的全部变量名////
/* getstrAdd = wcscat(strAddTemp,strVal); //Add1,Add12,Add123
getstrType = wcscat(strTypeTemp,strVal);
getstrCHANNEL = wcscat(strCHANNELTemp,strVal);
getstrRegCount = wcscat(strRegCountTemp,strVal);
getstrbyType = wcscat(strbyTypeTemp,strVal);
////存储配置文件中的全部卡件信息到结构体数组INIDATA[i]中////
INIDATA[i].address = m_iniFile.GetKeyString(_T("CARD"),strVal,_T("2"));
INIDATA[i].devicetype = m_iniFile.GetKeyString(_T("CARD"),getstrType,_T("AI8MA"));
INIDATA[i].CHANumber = wcstol(m_iniFile.GetKeyString(_T("CARD"),getstrCHANNEL,_T("8")),NULL,10);
INIDATA[i].RegNumber = wcstol(m_iniFile.GetKeyString(_T("CARD"),getstrRegCount,_T("17")),NULL,10);
INIDATA[i].DataType = m_iniFile.GetKeyString(_T("CARD"),getstrbyType,_T("float"));
wcscpy(strAddTemp,_T("Add")); //在第二次或以上循环时重新初始化strAddTemp为Add字符串，避免Add12...的产生
wcscpy(strAddTemp,_T("Types"));
wcscpy(strAddTemp,_T("CHANNEL"));
wcscpy(strAddTemp,_T("RegCount"));
wcscpy(strAddTemp,_T("byType"));
if( i==counts-1)//循环到最后一个卡件的变量
{
getstrAdd = wcscat(strAddTemp,strVal); //Add1,Add12,Add123
getstrType = wcscat(strTypeTemp,strVal);
getstrCHANNEL = wcscat(strCHANNELTemp,strVal);
getstrRegCount = wcscat(strRegCountTemp,strVal);
getstrbyType = wcscat(strbyTypeTemp,strVal);
}*/
}
//WCHAR *ws_DataType=NULL; //*ws_DataType用于从INI文件中获取卡件数据类型
/* for (int j=0;j<counts;j++)
{
if(!wcscmp(INIDATA[j].DataType,(WCHAR *)"float"))
{
m_byType =1; //float型数据的卡件
}
else
if(!wcscmp(INIDATA[j].DataType,(WCHAR *)"WORD"))
{
m_byType =2; //WORD
}
else
if(!wcscmp(INIDATA[j].DataType,(WCHAR *)"DWORD"))
{
m_byType =3; //DWORD
}
else
{//其他类型
}
}*/
/* if(!wcscmp(ws_DataType,(WCHAR *)"float"))
{
m_byType =1; //float型数据的卡件
}
else
if(!wcscmp(ws_DataType,(WCHAR *)"WORD"))
{
m_byType =2; //WORD
}
else
if(!wcscmp(ws_DataType,(WCHAR *)"DWORD"))
{
m_byType =3; //DWORD
}
else
{//其他类型
}
for (int i=0;i<3;i++) //假设配置信息中有3个卡件，其中2个为AI8MA,1个为AI8RTD
{
if(MEMDATA[i].devicetype==(unsigned char*)"AI8MA")//(unsigned char*)"AI8MA"改成从ini文件中读取数据
{
MEMDATA[i].CHANumber=8;
MEMDATA[i].RegNumber=11;
//m_byType=1; //float，这样可以不把数据类型写入ini文件
}
if(MEMDATA[i].devicetype==(unsigned char*)"AI8RTD")
{
MEMDATA[i].CHANumber=8;
MEMDATA[i].RegNumber=9;
}
if()//其他卡件类型
{
}
}*/
delete[] strVal;
}
bool CComPort::OpenComm()
{
if(m_pConn && m_pConn->bConnected)//判断打开前是否已经连接上了
return true;
// only allocate this guy once
if(!m_hConn)
{
m_hConn = GlobalAlloc(GMEM_MOVEABLE, sizeof(CONNECTION));
m_pConn = (LPCONNECTION)GlobalLock(m_hConn);
ZeroMemory(m_pConn, sizeof(CONNECTION));
}
WCHAR sPort[64];
//wsprintf(sPort, L"$device\\%s\0", strPort);//格式化字符串
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -