[fixedwing][feature] AP and FBW on different boards connected via Uart

* with example airframe and updated outdated airframes
* renamed spi version and make it a separate subsystem (e.g. 2 twogs)

sw/airborne/link_mcu.h

@@ -1,73 +0,0 @@
-/*
- * $Id$
- *
- * Copyright (C) 2003-2006 Pascal Brisset, Antoine Drouin
- *
- * This file is part of paparazzi.
- *
- * paparazzi is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * paparazzi is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with paparazzi; see the file COPYING.  If not, write to
- * the Free Software Foundation, 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- *
- */
-
-/** \brief Transport for the communication between FBW and AP in a bi-process
-    architecture. Essentially adds a checksum to the inter_mcu structure.
- */
-
-#ifndef LINK_MCU_H
-#define LINK_MCU_H
-
-#include <inttypes.h>
-#include "inter_mcu.h"
-
-#ifndef SITL
-#include "link_mcu_hw.h"
-#endif
-
-struct link_mcu_msg {
-  union  {
-    struct fbw_state from_fbw;
-    struct ap_state  from_ap;
-  } payload;
-  uint16_t checksum;
-};
-
-extern struct link_mcu_msg link_mcu_from_ap_msg;
-extern struct link_mcu_msg link_mcu_from_fbw_msg;
-
-extern bool_t link_mcu_received;
-
-extern void link_mcu_event_task( void );
-
-#if defined MCU_SPI_LINK && ! defined USE_SPI
-#define USE_SPI
-#endif
-
-
-#ifdef FBW
-#define SPI_SLAVE 1
-extern void link_mcu_restart(void);
-#endif /* FBW */
-
-#ifdef AP
-#define SPI_MASTER 1
-extern uint8_t link_mcu_nb_err;
-extern uint8_t link_mcu_fbw_nb_err;
-
-extern void link_mcu_init(void);
-extern void link_mcu_send(void);
-#endif /* AP */
-
-#endif