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/*
* Copyright (c) 2007 Marco Glietsch (http://www.mikrocontroller.net/topic/98697)
* Original author: Marco Glietsch
* Modified for octopus by Michael Hartmann <ich@speicherleck.de>
* All rights reserved.
*
* Short descripton of file:
*
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of the FH Augsburg nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES{} LOSS OF USE,
* DATA, OR PROFITS{} OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef CAN_H
#define CAN_H
#include <inttypes.h>
#define setbit(ADR,BIT) (ADR |= (1<<BIT))
#define clearbit(ADR,BIT) (ADR &=~(1<<BIT))
#define getbit(ADR, BIT) (ADR & (1<<BIT))
/* CAN Objekte */
#define NO_MOBS 15 // Anzahl der Message Objects festlegen
#define NOMOB 0xff // Definition für ungültigen Objektindex
// baudrate
enum { CAN_BAUDRATE_100K, CAN_BAUDRATE_125K, CAN_BAUDRATE_200K,
CAN_BAUDRATE_250K, CAN_BAUDRATE_500K, CAN_BAUDRATE_1000K };
// Betriebsmodi
enum { CAN_MODE_DISABLED, CAN_MODE_TRANSMIT_DATA, CAN_MODE_TRANSMIT_REMOTE,
CAN_MODE_RECEIVE_DATA, CAN_MODE_AUTO_REPLY };
// Interrupt-Modi
enum { CAN_INTERRUPTS_NONE, CAN_INTERRUPTS_TX, CAN_INTERRUPTS_RX,
CAN_INTERRUPTS_TXRX };
void can_parser(uint8_t *buf);
int can_init(uint8_t baudrate, uint8_t intmode, uint8_t eid);
void can_init_usb(uint8_t baudrate, uint8_t eid);
int can_deinit(void);
void can_deinit_usb(void);
int can_enable_mob(uint8_t mob, uint8_t mode, uint32_t id, uint32_t idm);
void can_enable_mob_usb(uint8_t mob, uint8_t mode, uint32_t id, uint32_t idm);
int can_disable_mob(uint8_t mob);
void can_disable_mob_usb(uint8_t mob);
int can_send_data(uint8_t mob, uint8_t length, uint8_t * data);
void can_send_data_usb(uint8_t mob, uint8_t length, uint8_t *data);
int can_send_remote(uint8_t mob);
void can_send_remote_usb(uint8_t mob);
void can_receive_data_usb(int mob);
void can_set_autoreply(uint8_t mob, uint8_t length, uint8_t *buf);
void can_set_autoreply_usb(uint8_t mob, uint8_t length, uint8_t *buf);
// sonsitge hilfsfunktionen
int can_set_baudrate(uint8_t baudrate);
int can_set_interrupt(uint8_t mode);
void can_get_mob(uint8_t mob);
uint32_t can_get_id(void);
void can_set_id_mask(uint32_t idm);
void can_set_id(uint32_t id);
int can_set_mode(uint8_t mode);
uint8_t can_get_mode(void);
void can_set_data(uint8_t length, uint8_t * data);
void can_get_data(int8_t *msg);
void can_set_mob_interrupt(uint8_t object);
void can_clear_mob_interrupt(uint8_t mob);
uint8_t can_get_mob_interrupt(void);
#endif /* CAN_H */
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