基于labwindows的串口通信.doc

#include #include #include #include #include #include #include 串口通信.h#define text_length 2048static int config_handle; config_flag; portindex; port_open; RS232Error; comport; baudrate; parity; databits; stopbits; inputq; outputq; xmode; ctsmode; type; stringsize; bytes_sent; send_byte; send_mode; read_cnt; bytes_read; char devicename30; char send_datatext_length;char read_datatext_length;char tbox_read_datatext_length;double timeout;static void *callbackdata;static int panelHandle, graphpanel, config;void ComCallback(int COMport, int eventMask, void *callbackdata);void SetConfigParms ();void GetConfigParms ();void EnablePanelControls (int);void SendAscii(void);void SendByte(void);void DisplayRS232Error (void);void SetConfigParms () SetCtrlVal (config_handle, CONFIG_COMPORT, comport); SetCtrlVal (config_handle, CONFIG_BAUDRATE, baudrate); SetCtrlVal (config_handle, CONFIG_PARITY, parity); SetCtrlVal (config_handle, CONFIG_DATABITS, databits); SetCtrlVal (config_handle, CONFIG_STOPBITS, stopbits); SetCtrlVal (config_handle, CONFIG_INPUTQ, inputq); SetCtrlVal (config_handle, CONFIG_OUTPUTQ, outputq); SetCtrlVal (config_handle, CONFIG_CTSMODE, ctsmode); SetCtrlVal (config_handle, CONFIG_XMODE, xmode); SetCtrlIndex (config_handle, CONFIG_COMPORT, portindex); void GetConfigParms () GetCtrlVal (config_handle, CONFIG_COMPORT, &comport); GetCtrlVal (config_handle, CONFIG_BAUDRATE, &baudrate); GetCtrlVal (config_handle, CONFIG_PARITY, &parity); GetCtrlVal (config_handle, CONFIG_DATABITS, &databits); GetCtrlVal (config_handle, CONFIG_STOPBITS, &stopbits); GetCtrlVal (config_handle, CONFIG_INPUTQ, &inputq); GetCtrlVal (config_handle, CONFIG_OUTPUTQ, &outputq); GetCtrlVal (config_handle, CONFIG_CTSMODE, &ctsmode); GetCtrlVal (config_handle, CONFIG_XMODE, &xmode); GetCtrlVal (config_handle, CONFIG_TIMEOUT, &timeout); GetCtrlIndex (config_handle, CONFIG_COMPORT, &portindex); #ifdef _NI_unix_ devicename0=0; #else GetLabelFromIndex (config_handle, CONFIG_COMPORT, portindex, devicename); #endif void EnablePanelControls (int enable) SetCtrlAttribute (panelHandle, PANEL_SENDMODE, ATTR_DIMMED, enable);SetCtrlAttribute (panelHandle, PANEL_SENDDATA, ATTR_DIMMED, enable);SetCtrlAttribute (panelHandle, PANEL_SENDNUMBER, ATTR_DIMMED, enable);SetCtrlAttribute (panelHandle, PANEL_RECEIVENUMBER, ATTR_DIMMED, enable);SetCtrlAttribute (panelHandle, PANEL_RECEIVEDATA, ATTR_DIMMED, enable);SetCtrlAttribute (panelHandle, PANEL_STOPRECEIVE, ATTR_DIMMED, enable);SetCtrlAttribute (panelHandle, PANEL_CHECKDATA, ATTR_DIMMED, enable);SetCtrlAttribute (panelHandle, PANEL_CHECKGRAPH, ATTR_DIMMED, enable);SetCtrlAttribute (panelHandle, PANEL_FLUSHINPUT, ATTR_DIMMED, enable);SetCtrlAttribute (panelHandle, PANEL_FLUSHOUTPUT, ATTR_DIMMED, enable);SetCtrlAttribute (panelHandle, PANEL_DATA, ATTR_DIMMED, enable); int main (int argc, char *argv)if (InitCVIRTE (0, argv, 0) = 0)return -1;/* out of memory */if (panelHandle = LoadPanel (0, 串口通信.uir, PANEL) 0)return -1;DisplayPanel (panelHandle);RunUserInterface ();DiscardPanel (panelHandle);return 0;int CVICALLBACK configcallback (int panel, int control, int event,void *callbackData, int eventData1, int eventData2)switch (event)case EVENT_COMMIT: config_handle = LoadPanel (panelHandle, 串口通信.uir, CONFIG); InstallPopup (config_handle); if (config_flag) /* Configuration done at least once.*/ SetConfigParms (); else config_flag = 1; break; return 0;int CVICALLBACK sendmodecallback (int panel, int control, int event,void *callbackData, int eventData1, int eventData2)switch (event)case EVENT_COMMIT:GetCtrlVal (panelHandle, PANEL_SENDMODE, &send_mode);if(send_mode) SetCtrlAttribute (panelHandle, PANEL_SENDDATAPLOT, ATTR_DIMMED, 0); SetCtrlAttribute (panelHandle, PANEL_DATA, ATTR_DIMMED,1);else SetCtrlAttribute (panelHandle, PANEL_SENDDATAPLOT, ATTR_DIMMED, 1); SetCtrlAttribute (panelHandle, PANEL_DATA, ATTR_DIMMED,0);return 0;int CVICALLBACK sendcallback (int panel, int control, int event,void *callbackData, int eventData1, int eventData2)switch (event)case EVENT_COMMIT:GetCtrlVal (panelHandle, PANEL_SENDMODE, &type);if(type)SendAscii();else SendByte();RS232Error = ReturnRS232Err (); if (RS232Error) DisplayRS232Error();SetCtrlVal (panelHandle, PANEL_SENDNUMBER, bytes_sent);break;return 0;void SendAscii() GetCtrlVal (panelHandle, PANEL_SENDDATAPLOT, send_data); stringsize = StringLength (send_data); bytes_sent = ComWrt (comport, send_data, stringsize);void SendByte()GetCtrlVal (panelHandle, PANEL_DATA,&send_byte); bytes_sent = ComWrtByte (comport, send_byte);int CVICALLBACK receivecallback (int panel, int control, int event,void *callbackData, int eventData1, int eventData2)switch (event) case EVENT_COMMIT: InstallComCallback (comport, LWRS_RECEIVE, 2, 0, ComCallback, callbackdata); case EVENT_RIGHT_CLICK :break;return 0;void ComCallback(int COMport, int eventMask, void *callbackdata) int inputqueuelength;int bytesread;char buffer512;char *matchedchar = 0;double value;int i;inputqueuelength = GetInQLen (comport);bytesread = ComRd (comport, buffer, inputqueuelength);for (i = 0; i = bytesread; i +)matchedchar = buffer + i ;CopyString (tbox_read_data, 0, matchedchar, 0, inputqueuelength);SetCtrlVal (panelHandle, PANEL_RECEIVEDATAPLOT, tbox_read_data); break; ArrayToFile (c:UserswangleiDesktop串口数据.txt, tbox_read_data, VAL_CHAR, inputqueuelength, 1, VAL_DATA_MULTIPLEXED, VAL_GROUPS_AS_COLUMNS, VAL_CONST_WIDTH, 2, VAL_BINARY, VAL_APPEND);int CVICALLBACK clearcallback (int panel, int control, int event,void *callbackData, int eventData1, int eventData2)switch (event)case EVENT_COMMIT:ResetTextBox (panelHandle, PANEL_RECEIVEDATAPLOT, 0);break;return 0;int CVICALLBACK stopcallback (int panel, int control, int event,void *callbackData, int eventData1, int eventData2)switch (event)case EVENT_COMMIT:break;return 0;int CVICALLBACK checkgraphcallback (int panel, int control, int event,void *callbackData, int eventData1, int eventData2)switch (event)case EVENT_COMMIT:break;return 0;int CVICALLBACK checkdatacallback (int panel, int control, int event,void *callbackData, int eventData1, int eventData2)switch (event)case EVENT_COMMIT:break;return 0;int CVICALLBACK quitcallback (int panel, int control, int event,void *callbackData, int eventData1, int eventData2)switch (event)case EVENT_COMMIT:QuitUserInterface (0);break;return 0;int CVICALLBACK flushoutputcallback (int panel, int control, int event,void *callbackData, int eventData1, int eventData2)switch (event)case EVENT_COMMIT:FlushOutQ (comport); MessagePopup (RS232 Message, Output queue flushed.);break;return 0;int CVICALLBACK flushinputcallback (int panel, int control, int event,void *callbackData, int eventData1, int eventData2)switch (event)case EVENT_COMMIT:FlushInQ (comport); MessagePopup (RS232 Message, Input queue flushed.);break;return 0;int CVICALLBACK closecallback (int panel, int control, int event,void *callbackData, int eventData1, int eventData2)switch (event)case EVENT_COMMIT: port_open = 0; /* initialize flag to 0 - unopened */ GetConfigParms (); DisableBreakOnLibraryErrors (); RS232Error = OpenComConfig (comport, devicename, baudrate, parity, databits, stopbits, inputq, outputq); EnableBreakOnLibraryErrors (); if (RS232Error)MessagePopup (RS232 Message, Please Reset the RS232 Configuer Content ); if (RS232Error = 0) port_open = 1; GetCtrlVal (config_handle, CONFIG_XMODE, &xmode); SetXMode (comport, xmode); GetCtrlVal (config_handle, CONFIG_CTSMODE, &ctsmode); SetCTSMode (comport, ctsmode); GetCtrlVal (config_handle, CONFIG_TIMEOUT, &timeout); SetComTime (comport, timeout); EnablePanelControls (0); else EnablePanelControls (1); DiscardPanel (config_handle);break;return 0;int CVICALLBACK ledcall