blob: d2bdc4821fc76d3e64180b7d8be7fb5c5119f52a (
plain)
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
|
/*
* File : bxcan.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2015, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2015-05-14 [email protected] first version
*/
#ifndef BXCAN_H_
#define BXCAN_H_
/* CAN Master Control Register bits */
#define MCR_DBF ((uint32_t)0x00010000) /* software master reset */
/* CAN Mailbox Transmit Request */
#define TMIDxR_TXRQ ((uint32_t)0x00000001) /* Transmit mailbox request */
/* CAN Filter Master Register bits */
#define FMR_FINIT ((uint32_t)0x00000001) /* Filter init mode */
/* Time out for INAK bit */
#define INAK_TIMEOUT ((uint32_t)0x0000FFFF)
/* Time out for SLAK bit */
#define SLAK_TIMEOUT ((uint32_t)0x0000FFFF)
/* Flags in TSR register */
#define CAN_FLAGS_TSR ((uint32_t)0x08000000)
/* Flags in RF1R register */
#define CAN_FLAGS_RF1R ((uint32_t)0x04000000)
/* Flags in RF0R register */
#define CAN_FLAGS_RF0R ((uint32_t)0x02000000)
/* Flags in MSR register */
#define CAN_FLAGS_MSR ((uint32_t)0x01000000)
/* Flags in ESR register */
#define CAN_FLAGS_ESR ((uint32_t)0x00F00000)
/* Mailboxes definition */
#define CAN_TXMAILBOX_0 ((uint8_t)0x00)
#define CAN_TXMAILBOX_1 ((uint8_t)0x01)
#define CAN_TXMAILBOX_2 ((uint8_t)0x02)
#define CAN_MODE_MASK ((uint32_t) 0x00000003)
#endif /*BXCAN_H_*/
|
