CAN over Serial link (TTY) interface, with serial hub software. Thanks to James Steward.
/*
This file is part of CanFestival, a library implementing CanOpen Stack.
Copyright (C): Edouard TISSERANT and Francis DUPIN
AVR Port: Andreas GLAUSER and 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_AVR__
#define __CAN_AVR__
// AVR implementation of the CANopen driver includes
// Hardware related macros and ATMEL lib can_drv
#include "config.h"
#include "can_drv.h"
// Canfestivals includes
#include "can.h"
// Number of receive MOb
#define NB_RX_MOB 13 // minimal 8
// Number of transmit MOb
#define NB_TX_MOB (NB_MOB - NB_RX_MOB)
#if (NB_TX_MOB < 1)
#error define less RX Mobs, you must have at least 1 TX MOb!
#elif (NB_RX_MOB < 8)
#error define at least 8 RX MObs!
#endif
#define START_TX_MOB NB_RX_MOB
#define TX_INT_MSK ((0x7F << (7 - NB_TX_MOB)) & 0x7F)
/************************* 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);
unsigned char canChangeBaudRate_driver( CAN_HANDLE fd, char* baud);
#endif