add initial RTOS support

now without io devices and console

git-svn-id: svn://db.shs.com.ru/pip@683 12ceb7fc-bf1f-11e4-8940-5bc7170c53b5

src_main/system/picodec.cpp

@@ -17,6 +17,8 @@
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#ifndef PIP_FREERTOS
+
 #include "picodec.h"
 
 
@@ -39,3 +41,5 @@ PIByteArray PICodec::exec_iconv(const PIString & from, const PIString & to, cons
 	waitForFinish();
 	return readOutput();
 }
+
+#endif // PIP_FREERTOS