builds

src/ecmcPluginDAQ.c

@@ -29,6 +29,8 @@ extern "C" {
 static int    lastEcmcError   = 0;
 static char*  lastConfStr         = NULL;
 
+static int alreadyLoaded = 0;
+
 /** Optional. 
  *  Will be called once after successfull load into ecmc.
  *  Return value other than 0 will be considered error.
@@ -36,11 +38,14 @@ static char*  lastConfStr         = NULL;
  **/
 int daqConstruct(char *configStr)
 {
-  //This module is allowed to load several times so no need to check if loaded
+  if(alreadyLoaded) {
+    printf("Error: Plugin ecmc_plugin_daq already loaded and can only be loaded once.")
+    return -1;  
+  }
 
   // create FFT object and register data callback
   lastConfStr = strdup(configStr);
-  return 0; //createDAQ(configStr);
+  return 0 //createDAQ(configStr);  //create from iocsh commands instead
 }
 
 /** Optional function.