上位机串口程序，接口很漂亮

工控串口通讯设计的源码 /************************************************************* EasySoft easycomm v2.0 (c) 2001-2004 EasySoft Corporation. All Rights Reserved. @doc easycomm.rtf @module easycomm.h | easycomm interface file @devnote jdzwq 2003.01 - 2004.10 *************************************************************/ #ifndef _EASYCOMM_H #define _EASYCOMM_H #include <stdlib.h> #include <stdio.h> #include <string.h> #include <assert.h> #include <windows.h> #include <commctrl.h> #include <tchar.h> #ifdef __cplusplus extern "C" { #endif typedef enum{ NC_COMMBREAK = 110, NC_COMMERROR = 111, NC_COMMMONITOR = 112, NC_COMMACK = 113, NC_COMMRECIVE = 114, NC_COMMSENT = 115 }NotifyCode; typedef struct tagNMHDR_COMM{ HWND hwndFrom; UINT idFrom; UINT code; LPARAM lParam; WPARAM wParam; }NMHDR_COMM; #define WM_COMMMSG WM_USER + 10 #define COMMCTRLCLASS _T("CommCtrl") ATOM RegisterCommCtrlClass(HINSTANCE hInstance); #define COM_SETPORT WM_COMMMSG + 150 #define COM_GETPORT WM_COMMMSG + 151 #define COM_SETBAUDRATE WM_COMMMSG + 152 #define COM_GETBAUDRATE WM_COMMMSG + 153 #define COM_SETBYTESIZE WM_COMMMSG + 154 #define COM_GETBYTESIZE WM_COMMMSG + 155 #define COM_SETSTOPBITS WM_COMMMSG + 156 #define COM_GETSTOPBITS WM_COMMMSG + 157 #define COM_SETPARITY WM_COMMMSG + 158 #define COM_GETPARITY WM_COMMMSG + 159 #define COM_SETFCTRL WM_COMMMSG + 160 #define COM_GETFCTRL WM_COMMMSG + 161 #define COM_SETTIMEOUTS WM_COMMMSG + 162 #define COM_GETTIMEOUTS WM_COMMMSG + 163 #define COM_SETACKCHAR WM_COMMMSG + 164 #define COM_GETACKCHAR WM_COMMMSG + 165 #define COM_SETLISTIMER WM_COMMMSG + 166 #define COM_GETLISTIMER WM_COMMMSG + 167 #define COM_SETACTIVE WM_COMMMSG + 168 #define COM_GETACTIVE WM_COMMMSG + 169 #define COM_SETDATA WM_COMMMSG + 170 #define COM_GETDATA WM_COMMMSG + 171 #define COM_SETQUEUE WM_COMMMSG + 172 #define COM_POSTERROR WM_COMMMSG + 175 #define COM_POSTRECIVE WM_COMMMSG + 176 #define COM_POSTSENT WM_COMMMSG + 177 #define COM_POSTBREAK WM_COMMMSG + 178 #define COM_POSTACK WM_COMMMSG + 179 #define COM_POSTMONITOR WM_COMMMSG + 180 #define COM_QUERYSEND WM_COMMMSG + 181 #define PY_NONE 0 /*无奇偶校验*/ #define PY_EVEN 1 /*偶校验*/ #define PY_ODD 2 /*奇校验*/ #define PY_MARK 3 #define PY_SPACE 4 #define STOPBITS_ONE 1 /*1位停止位*/ #define STOPBITS_TWO 2 /*2位停止位*/ #define STOPBITS_ONEHALF 3 /*1.5停止位*/ #define FLOWCTRL_NONE 0 /*无流控制*/ #define FLOWCTRL_HARD 1 /*硬件控制*/ #define FLOWCTRL_SOFT 2 /*软件控制*/ #define CE_PARAM -1 #define READ_SUCCESS 0 #define READ_TIMEOUTS 1 #define WRITE_SUCCESS 0 #define WRITE_TIMEOUTS 1 /*端口状态*/ typedef struct _CommMonitor{ BOOL bRLSDHold; BOOL bCTSHold; BOOL bDSRHold; BOOL bXOFFHold; BOOL bXOFFSent; int nInQueue; int nOutQueue; }CommMonitor; #ifdef _CHS #define ERROR_PARAM _T("参数错误") #define ERROR_BREAK _T("硬件中断") #define ERROR_FRAME _T("硬件幀错误") #define ERROR_IOE _T("通讯I/O错误") #define ERROR_OVERRUM _T("数据丢失") #define ERROR_RXOVER _T("输入缓冲区溢出") #define ERROR_RXPARITY _T("硬件校验错误") #define ERROR_TXFULL _T("输出缓冲区溢出") #define ERROR_UNKNOWN _T("其他错误") #else #define ERROR_PARAM _T("The parameter setup error") #define ERROR_BREAK _T("The hardware detected a break condition.") #define ERROR_FRAME _T("The hardware detected a framing error.") #define ERROR_IOE _T("An I/O error occurred during communications with the device.") #define ERROR_OVERRUN _T("A character-buffer overrun has occurred. The next character is lost.") #define ERROR_RXOVER _T("An input buffer overflow has occurred. There is either no room in the input buffer, or a character was received after the end-of-file (EOF) character.") #define ERROR_RXPARITY _T("The hardware detected a parity error.") #define ERROR_TXFULL _T("The application tried to transmit a character, but the output buffer was full.") #define ERROR_UNKNOWN _T("Other error occurred") #endif extern void InitCommControl(HINSTANCE hInstance); extern void UnInitCommControl(HINSTANCE hInstance); #ifdef __cplusplus } #endif #endif /************************************************************* EasySoft easycomm v2.0 (c) 2001-2004 EasySoft Corporation. All Rights Reserved. @doc easycomm.rtf @module easycomm.c | easycomm impliment file @devnote jdzwq 2003.01 - 2004.10 *************************************************************/ #include "easycomm.h" typedef struct tagCommDelta{ HWND hWnd; BOOL bActive; /*侦听标志*/ BOOL bReady; /*串口可写标志*/ HANDLE hListen; /*侦听线程句柄*/ DWORD dwListen; /*侦听线程ID*/ OVERLAPPED ovListen; /*用于侦听的重叠操作结构*/ HANDLE hCom; /*端口句柄*/ CRITICAL_SECTION cs; /* 同步临界区*/ short nFlowCtrl; /*流控制模式*/ short nAckChar; /*回应字符*/ short nParity; /*校验方式*/ short nStopBits; /*停止位*/ short nByteSize; /*位长*/ short nReadTimeoutPerByte; /*读每字节超时参数*/ short nWriteTimeoutPerByte; /*写每字节超时参数*/ long nListenTimeout; /*侦听超时*/ long nBaudRate; /*波特率*/ long nInQueue; /*输入缓冲区大小*/ long nOutQueue; /*输出缓冲区大小*/ TCHAR szPort[10]; /*端口*/ }CommDelta; /*定义线程操作结构*/ typedef struct _OperaParam { HANDLE hCom; /*串口句柄*/ LPCRITICAL_SECTION pcs; /*临界区引用*/ DWORD dwDataBytes; /*请求操作字节数*/ DWORD dwOperaBytes; /*实际操作字节数*/ BYTE* data; /*读写数据指针*/ short nRetCode; }OperaParam; #define GETCOMMDELTA(hWnd) ((CommDelta*)GetWindowLong(hWnd,GWL_USERDATA)) #define SETCOMMDELTA(hWnd,ptd) SetWindowLong(hWnd,GWL_USERDATA,(LONG)ptd) LRESULT CALLBACK CommCtrlProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam); void COM_Paint(HWND hWnd,HDC hDC); int COM_SendSign(HWND hWnd,UINT sign, WPARAM wParam,LPARAM lParam); BOOL COM_Active(HWND hWnd,BOOL bActive); long COM_SendData(HWND hWnd,long size,BYTE* data); long COM_ReciveData(HWND hWnd,long size,BYTE* data); DWORD WINAPI ListenProc(LPVOID lpParam); DWORD WINAPI WriteProc(LPVOID lpParam); void* _CommAlloc(long size); void _CommFree(void* data); ATOM RegisterCommCtrlClass(HINSTANCE hInstance) { WNDCLASS wcex; #ifdef _WINDOWS wcex.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS; #else wcex.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS; #endif wcex.lpfnWndProc = (WNDPROC)CommCtrlProc; wcex.cbClsExtra = 0; wcex.cbWndExtra = 0; wcex.hInstance = hInstance; wcex.hIcon = NULL; wcex.hCursor = LoadCursor(NULL, IDC_ARROW); wcex.hbrBackground = (HBRUSH)GetStockObject(GRAY_BRUSH); wcex.lpszMenuName = NULL; wcex.lpszClassName = COMMCTRLCLASS; return RegisterClass(&wcex); } LRESULT CALLBACK CommCtrlProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) { CommDelta* ptd = GETCOMMDELTA(hWnd); PAINTSTRUCT ps; int n; switch(message) { case WM_CREATE: ptd = (CommDelta*)calloc(1,sizeof(CommDelta)); ptd->hWnd = hWnd; /*默认参数配置*/ lstrcpy(ptd->szPort,_T("COM1")); ptd->nReadTimeoutPerByte = ptd->nWriteTimeoutPerByte = 10; ptd->nListenTimeout = 5000; ptd->nFlowCtrl = 0; ptd->nAckChar = 0; ptd->nParity = 0; ptd->nStopBits = 1; ptd->nByteSize = 8; ptd->nBaudRate = 1200; ptd->bReady = FALSE; ptd->bActive = FALSE; ptd->hCom = INVALID_HANDLE_VALUE; ptd->hListen = NULL; InitializeCriticalSection(&ptd->cs); SETCOMMDELTA(hWnd,ptd); break; case WM_DESTROY: if(ptd->bActive) SendMessage(hWnd,COM_SETACTIVE,(WPARAM)FALSE,0); DeleteCriticalSection(&ptd->cs); free(ptd); break; case WM_PAINT: if(GetUpdateRect(hWnd,NULL,TRUE)) { BeginPaint(hWnd,&ps); COM_Paint(hWnd,ps.hdc); EndPaint(hWnd,&ps); } case COM_SETPORT: if(lParam) { n = _tcslen((TCHAR*)lParam); n