Add function - readBitStringAsInteger() (Issue Ref #276)

src/iec61850/client/ied_connection.c

@@ -1356,6 +1356,30 @@ IedConnection_readBitStringAsIntegerBigEndian(IedConnection self, IedClientError
     return 0;
 }
 
+uint32_t
+IedConnection_readBitStringAsInteger(IedConnection self, IedClientError* error, const char* objectReference, FunctionalConstraint fc)
+{
+    MmsValue* value = IedConnection_readObject(self, error, objectReference, fc);
+
+    if (value != NULL) {
+        if(MmsValue_getType(value) == MMS_BIT_STRING)
+        {
+            return MmsValue_getBitStringAsInteger(value);
+        }
+        else
+        {
+            if (MmsValue_getType(value) == MMS_DATA_ACCESS_ERROR)
+                *error = iedConnection_mapDataAccessErrorToIedError(MmsValue_getDataAccessError(value));
+            else
+                *error = IED_ERROR_UNEXPECTED_VALUE_RECEIVED;
+        }
+
+        MmsValue_delete(value);
+    }
+
+    return 0;
+}
+
 int64_t
 IedConnection_readInt64Value(IedConnection self, IedClientError* error, const char* objectReference, FunctionalConstraint fc)
 {

src/iec61850/inc/iec61850_client.h

@@ -944,6 +944,20 @@ IedConnection_readInt32Value(IedConnection self, IedClientError* error, const ch
 uint32_t
 IedConnection_readBitStringAsIntegerBigEndian(IedConnection self, IedClientError* error, const char* objectReference, FunctionalConstraint fc);
 
+
+/**
+ * \brief read a functional constrained data attribute (FCDA) of type BitString (LittleEndian) and return the result as uint32_t
+ *
+ * \param self  the connection object to operate on
+ * \param error the error code if an error occurs
+ * \param object reference of the data attribute to read
+ * \param fc the functional constraint of the data attribute to read
+ *
+ * \return an uint32_t value of the read data attributes
+ */
+uint32_t
+IedConnection_readBitStringAsInteger(IedConnection self, IedClientError* error, const char* objectReference, FunctionalConstraint fc);
+
 /**
  * \brief read a functional constrained data attribute (FCDA) of type Integer or Unsigned and return the result as int64_t
  *