X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fnet%2Fpocketbus.h;h=db7b9c155b45d8b068b2981d600f7a56edf0e344;hb=1a8a2b9b57118be3f52d1261ebefac3875e67bcf;hp=d7f6a5fbf4787a97f55f74e7de7a7881fd44d45b;hpb=8c391d2f8a7cf500ecd0331a9b183239af914e8e;p=bertos.git

diff --git a/bertos/net/pocketbus.h b/bertos/net/pocketbus.h
index d7f6a5fb..db7b9c15 100644
--- a/bertos/net/pocketbus.h
+++ b/bertos/net/pocketbus.h
@@ -1,24 +1,53 @@
 /**
  * \file
  * <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos 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 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction.  Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License.  This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
  * Copyright 2007 Develer S.r.l. (http://www.develer.com/)
  * -->
  *
- * \version $Id: pocketbus.h 20131 2007-12-13 17:39:55Z batt $
  *
  * \author Francesco Sacchi <batt@develer.com>
  *
- * \brief pocketBus protocol interface.
+ * \brief Basical functions to use pocketBus protocol.
+ *
+ * $WIZ$ module_name = "pocketbus"
+ * $WIZ$ module_depends = "rotating_hash", "kfile"
+ * $WIZ$ module_configuration = "bertos/cfg/cfg_pocketbus.h"
  */
 
 #ifndef NET_POCKETBUS_H
 #define NET_POCKETBUS_H
 
-#include <algo/rotating_hash.h>
-#include <drv/ser.h>
-#include <kern/kfile.h>
+#include "cfg/cfg_pocketbus.h"        /* for CONFIG_POCKETBUS_BUFLEN */
 #include <cfg/compiler.h>
-#include "appconfig.h" //for CONFIG_POCKETBUS_BUFLEN
+
+#include <algo/rotating_hash.h>
+
+#include <io/kfile.h>
 
 /**
  * pocketBus special characters definitions.
@@ -48,7 +77,7 @@ typedef uint16_t pocketbus_addr_t;
  */
 typedef struct PocketBusHdr
 {
-	#define POCKETBUS_VER 1 
+	#define POCKETBUS_VER 1
 	uint8_t ver;   ///< packet version
 	pocketbus_addr_t addr; ///< slave address
 } PocketBusHdr;
@@ -58,15 +87,16 @@ typedef struct PocketBusHdr
  */
 typedef struct PocketBusCtx
 {
+	uint8_t buf[CONFIG_POCKETBUS_BUFLEN]; ///< receiving Buffer
 	struct KFile *fd;   ///< File descriptor
 	bool sync;           ///< Status flag: true if we have received an STX, false otherwise
 	bool escape;         ///< Status flag: true if we are in escape mode, false otherwise
 	rotating_t in_cks;   ///< Checksum computation for received data.
 	rotating_t out_cks;  ///< Checksum computation for transmitted data.
 	pocketbus_len_t len; ///< Received length
-	uint8_t buf[CONFIG_POCKETBUS_BUFLEN]; ///< receiving Buffer
 } PocketBusCtx;
 
+STATIC_ASSERT(offsetof(PocketBusCtx, buf) == 0);
 /**
  * Structure holding pocketBus message parameters.
  */
@@ -74,7 +104,7 @@ typedef struct PocketMsg
 {
 	struct PocketBusCtx *ctx; ///< pocketBus message context
 	pocketbus_addr_t addr;    ///< address for received packet
-	pocketbus_len_t len;      ///< payload length 
+	pocketbus_len_t len;      ///< payload length
 	const uint8_t *payload;   ///< payload data
 } PocketMsg;