// read the attribute from one of the file's text line
void ReadAttribute(tPvHandle aCamera,char* aLine)
{
char* lValue = strchr(aLine,'=');
char* lLabel;
if(lValue)
{
lValue[0] = '\0';
lValue++;
lLabel = strtrim(aLine);
lValue = strtrim(lValue);
if(strlen(lLabel) && strlen(lValue))
{
tPvAttributeInfo lInfo;
if(!PvAttrInfo(aCamera,lLabel,&lInfo))
{
if(lInfo.Datatype != ePvDatatypeCommand &&
(lInfo.Flags & ePvFlagWrite))
{
if(!String2Value(aCamera,lLabel,lInfo.Datatype,lValue))
fprintf(stderr,"attribute %s couldn't be loaded\n",lLabel);
}
}
}
}
}
// write a given attribute in a text file
void WriteAttribute(tPvHandle aHandle,const char* aLabel,FILE* aFile)
{
tPvAttributeInfo lInfo;
if(!PvAttrInfo(aHandle,aLabel,&lInfo))
{
if(lInfo.Datatype != ePvDatatypeCommand)
{
char lValue[128];
if(Value2String(aHandle,aLabel,lInfo.Datatype,lValue,128))
fprintf(aFile,"%s = %s\n",aLabel,lValue);
}
}
}
// write a given attribute in a text file
void WriteAttribute(tPvHandle aCamera,const char* aLabel,FILE* aFile)
{
tPvAttributeInfo lInfo;
if(!PvAttrInfo(aCamera,aLabel,&lInfo))
{
if(lInfo.Datatype != ePvDatatypeCommand &&
(lInfo.Flags & ePvFlagWrite))
{
char lValue[128];
if(Value2String(aCamera,aLabel,lInfo.Datatype,lValue,128))
fprintf(aFile,"%s = %s\n",aLabel,lValue);
else
fprintf(stderr,"attribute %s couldn't be saved\n",aLabel);
}
}
}
//
// idlPvAttrInfo
//
// Get data type and access mode information for an attribute
//
// command line arguments
// argv[0]: IN/FLAG debug
// argv[1]: IN camera index
// argv[2]: IN attribute name
// argv[3]: OUT data type
// argv[4]: OUT flags
int idlPvAttrInfo (int argc, char *argv[])
{
unsigned long n;
IDL_STRING * name;
tPvAttributeInfo info;
unsigned long err;
debug = *(IDL_INT *) argv[0];
n = *(unsigned long *) argv[1];
name = (IDL_STRING *) argv[2];
CHECKINDEX(n);
err = PvAttrInfo(camera[n], IDL_STRING_STR(name), &info);
*(IDL_ULONG *) argv[3] = (IDL_ULONG) info.Datatype;
*(IDL_ULONG *) argv[4] = (IDL_ULONG) info.Flags;
return idlPvErrCode(err);
}
// display info on a given attribute of the camera
void QueryAttribute(const char* aLabel)
{
tPvAttributeInfo lInfo;
if(!PvAttrInfo(GCamera.Handle,aLabel,&lInfo))
{
char lFlags[5];
memset(lFlags,' ',sizeof(char) * 4);
if(lInfo.Flags & ePvFlagRead)
lFlags[0] = 'r';
if(lInfo.Flags & ePvFlagWrite)
lFlags[1] = 'w';
if(lInfo.Flags & ePvFlagVolatile)
lFlags[2] = 'v';
if(lInfo.Flags & ePvFlagConst)
lFlags[3] = 'c';
lFlags[4] = '\0';
printf("%30s (%30s) [%7s][%s]",aLabel,lInfo.Category,DatatypeToString(lInfo.Datatype),lFlags);
switch(lInfo.Datatype)
{
case ePvDatatypeString:
{
char lValue[128];
// we assume here that any string value will be less than 128 characters
// long, wich we may not be the case
if(!PvAttrStringGet(GCamera.Handle,aLabel,lValue,128,NULL))
printf(" = %s\n",lValue);
else
printf(" = ERROR!\n");
break;
}
case ePvDatatypeEnum:
{
char lValue[128];
// we assume here that any string value will be less than 128 characters
// long, wich we may not be the case
if(!PvAttrEnumGet(GCamera.Handle,aLabel,lValue,128,NULL))
printf(" = %s\n",lValue);
else
printf(" = ERROR!\n");
break;
}
case ePvDatatypeUint32:
{
tPvUint32 lValue;
if(!PvAttrUint32Get(GCamera.Handle,aLabel,&lValue))
printf(" = %lu\n",lValue);
else
printf(" = ERROR!\n");
break;
}
case ePvDatatypeFloat32:
{
tPvFloat32 lValue;
if(!PvAttrFloat32Get(GCamera.Handle,aLabel,&lValue))
printf(" = %f\n",lValue);
else
printf(" = ERROR!\n");
break;
}
default:
printf("\n");
}
}
}
// display info on a given attribute of the camera
void QueryAttribute(const char* aLabel)
{
tPvAttributeInfo lInfo;
if(PvAttrInfo(GCamera.Handle,aLabel,&lInfo) == ePvErrSuccess)
{
char lFlags[5];
memset(lFlags,' ',sizeof(char) * 4);
if(lInfo.Flags & ePvFlagRead)
lFlags[0] = 'r';
if(lInfo.Flags & ePvFlagWrite)
lFlags[1] = 'w';
if(lInfo.Flags & ePvFlagVolatile)
lFlags[2] = 'v';
if(lInfo.Flags & ePvFlagConst)
lFlags[3] = 'c';
lFlags[4] = '\0';
// printf("%30s (%30s) [%7s]{%s}",aLabel,lInfo.Category,DatatypeToString(lInfo.Datatype),lFlags);
// printf("%s/%s = %s [%s]{%s}\n",lInfo.Category,aLabel,lValue,DatatypeToString(lInfo.Datatype),lFlags);
switch(lInfo.Datatype)
{
case ePvDatatypeString:
{
char lValue[128];
// we assume here that any string value will be less than 128 characters
// long, which we may not be the case
if(PvAttrStringGet(GCamera.Handle,aLabel,lValue,128,NULL) == ePvErrSuccess)
printf("%s/%s = %s [%s,%s]\n",lInfo.Category,aLabel,lValue,DatatypeToString(lInfo.Datatype),lFlags);
else
printf("ERROR!\n");
break;
}
case ePvDatatypeEnum:
{
char lValue[128];
// we assume here that any string value will be less than 128 characters
// long, which we may not be the case
if(PvAttrEnumGet(GCamera.Handle,aLabel,lValue,128,NULL) == ePvErrSuccess)
printf("%s/%s = %s [%s,%s]\n",lInfo.Category,aLabel,lValue,DatatypeToString(lInfo.Datatype),lFlags);
else
printf("ERROR!\n");
break;
}
case ePvDatatypeUint32:
{
tPvUint32 lValue;
if(PvAttrUint32Get(GCamera.Handle,aLabel,&lValue) == ePvErrSuccess)
printf("%s/%s = %lu [%s,%s]\n",lInfo.Category,aLabel,lValue,DatatypeToString(lInfo.Datatype),lFlags);
else
printf("ERROR!\n");
break;
}
case ePvDatatypeInt64:
{
tPvInt64 lValue;
if(PvAttrInt64Get(GCamera.Handle,aLabel,&lValue) == ePvErrSuccess)
printf("%s/%s = %lld [%s,%s]\n",lInfo.Category,aLabel,lValue,DatatypeToString(lInfo.Datatype),lFlags);
else
printf("ERROR!\n");
break;
}
case ePvDatatypeFloat32:
{
tPvFloat32 lValue;
if(PvAttrFloat32Get(GCamera.Handle,aLabel,&lValue) == ePvErrSuccess)
printf("%s/%s = %f [%s,%s]\n",lInfo.Category,aLabel,lValue,DatatypeToString(lInfo.Datatype),lFlags);
else
printf("ERROR!\n");
break;
}
case ePvDatatypeBoolean:
{
tPvBoolean lValue;
if(PvAttrBooleanGet(GCamera.Handle,aLabel,&lValue) == ePvErrSuccess)
printf("%s/%s = %s [%s,%s]\n",lInfo.Category,aLabel,lValue ? "true" : "false",DatatypeToString(lInfo.Datatype),lFlags);
else
printf("ERROR!\n");
break;
}
default:
//command
printf("%s/%s [%s,%s]\n",lInfo.Category,aLabel,DatatypeToString(lInfo.Datatype),lFlags);
}
}
}
