peter@521: /*
peter@521: This file is part of CanFestival, a library implementing CanOpen Stack.
peter@521: 
peter@521: Copyright (C): Edouard TISSERANT and Francis DUPIN
peter@521: AT91 Port: Peter CHRISTEN
peter@521: 
peter@521: See COPYING file for copyrights details.
peter@521: 
peter@521: This library is free software; you can redistribute it and/or
peter@521: modify it under the terms of the GNU Lesser General Public
peter@521: License as published by the Free Software Foundation; either
peter@521: version 2.1 of the License, or (at your option) any later version.
peter@521: 
peter@521: This library is distributed in the hope that it will be useful,
peter@521: but WITHOUT ANY WARRANTY; without even the implied warranty of
peter@521: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
peter@521: Lesser General Public License for more details.
peter@521: 
peter@521: You should have received a copy of the GNU Lesser General Public
peter@521: License along with this library; if not, write to the Free Software
peter@521: Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
peter@521: */
peter@521: 
peter@521: #ifndef __CAN_AT91__
peter@521: #define __CAN_AT91__
peter@521: 
peter@521: #include "config.h"
peter@521: 
peter@521: // Canfestivals includes
peter@521: #include "can.h"
peter@521: 
peter@521: // Number of receive MB
peter@521: #define NB_MB				8
peter@521: #define NB_RX_MB			4
peter@521: // Number of transmit MB
peter@521: #define NB_TX_MB			(NB_MB - NB_RX_MB)
peter@521: 
peter@521: #if (NB_TX_MB < 1)
peter@521: #error define less RX MBs, you must have at least 1 TX MB!
peter@521: #elif (NB_RX_MB < 1)
peter@521: #error define at least 1 RX MBs!
peter@521: #endif
peter@521: 
peter@521: #define START_TX_MB			NB_RX_MB
peter@521: #define TX_INT_MSK			((0xFF << (NB_MB - NB_TX_MB)) & 0xFF)
peter@521: #define RX_INT_MSK			(0xFF >> (NB_MB - NB_RX_MB))
peter@521: 
peter@521: /************************* To be called by user app ***************************/
peter@521: 
peter@521: unsigned char canInit(unsigned int bitrate);
peter@521: unsigned char canSend(CAN_PORT notused, Message *m);
peter@521: unsigned char canReceive(Message *m);
peter@521: #endif