/*

canbus.h -

Part of grblHAL

Copyright (c) 2022 Jon Escombe

Copyright (c) 2024 Terje Io

grblHAL 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 3 of the License, or

(at your option) any later version.

grblHAL 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 grblHAL. If not, see <http://www.gnu.org/licenses/>.

*/

#ifndef _CANBUS_H_

#define _CANBUS_H_

#include <stdint.h>

#include <stdbool.h>

typedef struct {

uint32_t id;

uint8_t len;

uint8_t data[8];

} canbus_message_t;

typedef bool (*can_rx_ptr)(canbus_message_t);

typedef bool (*can_rx_enqueue_fn)(canbus_message_t msg, can_rx_ptr callback); // used internally by the driver

/*

* Function prototypes

*/

void canbus_init (void);

bool canbus_enabled (void);

bool canbus_queue_tx (canbus_message_t message, bool ext_id);

bool canbus_add_filter (uint32_t id, uint32_t mask, bool ext_id, can_rx_ptr callback);

#endif /* _CANBUS_H_ */