def setContext(self, context_str):
        """ Set context string for serial command.  Private setter.

        Args:
            context_str (str): Command specific string.
        """
        if (len(self.m_context) == 0) and (len(context_str) >= 7):
            if context_str[0:7] != "request":
                ekm_log("Context: " + context_str)
        self.m_context = context_str
Set context string for serial command.  Private setter.

        Args:
            context_str (str): Command specific string.