/usr/include/csp/drivers/can.h is in libcsp-dev 1.4+fdd49b7+dfsg-3build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 | /*
Cubesat Space Protocol - A small network-layer protocol designed for Cubesats
Copyright (C) 2012 GomSpace ApS (http://www.gomspace.com)
Copyright (C) 2012 AAUSAT3 Project (http://aausat3.space.aau.dk)
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _CAN_H_
#define _CAN_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include <csp/csp.h>
#include <csp/interfaces/csp_if_can.h>
/* The can_frame_t and can_id_t types intentionally matches the
* can_frame struct and can_id types in include/linux/can.h
*/
/** CAN Identifier */
typedef uint32_t can_id_t;
/** CAN Frame */
typedef struct {
/** 32 bit CAN identifier */
can_id_t id;
/** Data Length Code */
uint8_t dlc;
/**< Frame Data - 0 to 8 bytes */
union __attribute__((aligned(8))) {
uint8_t data[8];
uint16_t data16[4];
uint32_t data32[2];
};
} can_frame_t;
typedef enum {
CAN_ERROR = 0,
CAN_NO_ERROR = 1,
} can_error_t;
/** TX Callback function prototype */
typedef int (*can_tx_callback_t)(can_id_t id, can_error_t error, CSP_BASE_TYPE * task_woken);
/** RX Callback function prototype */
typedef int (*can_rx_callback_t)(can_frame_t * frame, CSP_BASE_TYPE * task_woken);
int can_init(uint32_t id, uint32_t mask, can_tx_callback_t txcb, can_rx_callback_t rxcb, struct csp_can_config *conf);
int can_send(can_id_t id, uint8_t * data, uint8_t dlc, CSP_BASE_TYPE * task_woken);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* _CAN_H_ */
|