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include/AT91/can_AT91.h
author Christian Taedcke <hacking@taedcke.com>
Wed, 09 Nov 2011 15:02:47 +0000
changeset 689 d6fcd388f2db
parent 521 731bbe1b67b4
permissions -rw-r--r--
Win32 IXXAT driver:
CHANGED: - Removed deprecated call to VCI_GetBrdTypeByName().
- The board type given to VCI2_PrepareBoard() is now always 0, because this parameter is not used.
- Removed the board_name parameter from IXXAT::open(). The board that should be opened is identified by the parameter board_number.
The correct parameter board_number can be determined using XAT_EnumHwEntry() and XAT_GetConfig().
- Changed the constructor IXXAT::IXXAT(). board->busname now only contains the board_number, see XAT_EnumHwEntry() and XAT_GetConfig(). 
/*
This file is part of CanFestival, a library implementing CanOpen Stack.

Copyright (C): Edouard TISSERANT and Francis DUPIN
AT91 Port: Peter CHRISTEN

See COPYING file for copyrights details.

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library 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
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#ifndef __CAN_AT91__
#define __CAN_AT91__

#include "config.h"

// Canfestivals includes
#include "can.h"

// Number of receive MB
#define NB_MB				8
#define NB_RX_MB			4
// Number of transmit MB
#define NB_TX_MB			(NB_MB - NB_RX_MB)

#if (NB_TX_MB < 1)
#error define less RX MBs, you must have at least 1 TX MB!
#elif (NB_RX_MB < 1)
#error define at least 1 RX MBs!
#endif

#define START_TX_MB			NB_RX_MB
#define TX_INT_MSK			((0xFF << (NB_MB - NB_TX_MB)) & 0xFF)
#define RX_INT_MSK			(0xFF >> (NB_MB - NB_RX_MB))

/************************* To be called by user app ***************************/

unsigned char canInit(unsigned int bitrate);
unsigned char canSend(CAN_PORT notused, Message *m);
unsigned char canReceive(Message *m);
#endif
canfestival