原创 Labwindows/cvi8.5学习日志(53)----自动识别串口号

//*********************************************************
// Labwindows/cvi8.5  自动识别串口号
// 注册表枚举某子项的所有键名及键值

// szlihongtao
// 2010-09-06
//*********************************************************
#include "windows.h"
#include <formatio.h>
#include <utility.h>
#include "winreg.h"
#include "toolbox.h"
#include <cvirte.h>  
#include <userint.h>
#include "com_dect.h"
//*********************************************************
static int panelHandle;
unsigned int realstringsize;
unsigned int buffersize = 300;
unsigned char stringbuffer[300]; 
int cnt_test;
int Port_Number;

//*********************************************************
int get_Port_Number(char Device_Name[])
{
  int Port_Num,i;
 
 i=Device_Name[3];
 Port_Num=i-0x30; 
 
 i=Device_Name[4]; 
 if (i!=0x00)
 {
  Port_Num*=10;
  Port_Num+=i-0x30;   
       
  i=Device_Name[5]; 
  if (i!=0x00)
  {
   Port_Num*=10;
   Port_Num+=i-0x30;
  }
 }
 return Port_Num;  
}
//*********************************************************
void init(void)
{
 int com;
 int i,size1,size2;
 int type;
 unsigned int values;    // 子键个数
 char valueName[MAX_PATH];
 const char *arr_Subkey_Name="HARDWARE\\DEVICEMAP\\SERIALCOMM";
 
  com=0;               
#if 0
 RegReadString (REGKEY_HKLM, arr_Subkey_Name, "\\Device\\ProlificSerial2", stringbuffer, buffersize, &realstringsize);
  if (realstringsize>0)
  InsertListItem (panelHandle, PANEL_RING_COM, -1, stringbuffer,++com);
#endif  
  
 // 获取子键个数 
 RegQueryInfoOnKey (REGKEY_HKLM, arr_Subkey_Name,NULL, &values, NULL, NULL, NULL);
 for(i=0;i<values;i++)
 {
  size1 = MAX_PATH;
  size2 = 512;
  RegEnumerateValue (REGKEY_HKLM, arr_Subkey_Name,i, valueName, &size1, stringbuffer, &size2,&type);
  
  if((type==_REG_SZ)
   &&(size2>0)) 
  {
   InsertListItem (panelHandle, PANEL_RING_COM, -1, stringbuffer,++com);
   Port_Number=get_Port_Number(stringbuffer);
   
   size1=FindPattern (valueName, 0, -1, "ProlificSerial", 0, 0);
   if (size1==-1)  // 没有找到
    ;
   else
   {
    // 子键名称中含有"ProlificSerial"
     ++cnt_test;
   }
  }
 }   
 
 SetCtrlIndex (panelHandle, PANEL_RING_COM, 0);  
 
 //读取LabWindows/CVI的存储路径
 //RegReadString (REGKEY_HKLM, "SOFTWARE\\National Instruments\\CVI\\8.5\\User Info", "Directory", stringbuffer, buffersize, &realstringsize);
}
//*********************************************************
int main (int argc, char *argv[])
{
 if (InitCVIRTE (0, argv, 0) == 0)
  return -1; /* out of memory */
 if ((panelHandle = LoadPanel (0, "com_dect.uir", PANEL)) < 0)
  return -1;
 init();
 DisplayPanel (panelHandle);
 RunUserInterface ();
 DiscardPanel (panelHandle);
 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;
}
//*********************************************************
//*********************************************************
//*********************************************************