refactored FIFO handling

bsp_q7s/main.cpp

@@ -12,10 +12,10 @@
  * @brief 	This is the main program for the target hardware.
  * @return
  */
-int main(void) {
+int main(int argc, char* argv[]) {
   using namespace std;
 #if Q7S_SIMPLE_MODE == 0
-  return obsw::obsw();
+  return obsw::obsw(argc, argv);
 #else
   return simple::simple();
 #endif