-
Notifications
You must be signed in to change notification settings - Fork 6
/
can.c
69 lines (60 loc) · 2.13 KB
/
can.c
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
/*
* can.c
*
* Copyright 2015 Felix Horn
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
*
*/
/* Includes ----------------------------------------------------------*/
#include "can.h"
/* Private typedef ---------------------------------------------------*/
/* Private define ----------------------------------------------------*/
/* Private macro -----------------------------------------------------*/
/* Private variables -------------------------------------------------*/
/* Private function prototypes ---------------------------------------*/
/* Private functions -------------------------------------------------*/
void configCanBus(void) {
mcp2515_init();
}
void sendCanMsg (can_message *Msg) {
#if CAN_DEBUG
printf("Send Id: %02X Length: %d Data: ", Msg->Id, Msg->DataLength);
for(uint8_t i=0; i<Msg->DataLength; i++) {
printf("%02X ", Msg->Data[i]);
}
printf("\n");
#endif
mcp2515_send_message(Msg);
}
bool receiveCanMsg(can_message *Msg) {
/*
* Prüfen ob es eine neue CAN-Nachricht gibt,
* wenn nicht, dann Funktion beenden und "0" zurückgeben */
if (mcp2515_read_message(Msg) == TRUE) {
#if CAN_DEBUG
printf("Receive Id: %02X Length: %d Data: ", Msg->Id, Msg->DataLength);
for(uint8_t i=0; i<Msg->DataLength; i++) {
printf("%02X ", Msg->Data[i]);
}
printf("\n");
#endif
return TRUE;
} else {
return FALSE;
}
}