can_params.h
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1 /*
2  * Copyright (C) 2019 Gunar Schorcht
3  *
4  * This file is subject to the terms and conditions of the GNU Lesser
5  * General Public License v2.1. See the file LICENSE in the top level
6  * directory for more details.
7  */
8 
9 #pragma once
10 
22 #ifdef __cplusplus
23 extern "C" {
24 #endif
25 
26 #include "can_esp.h"
27 #include "can/device.h"
28 #include "periph/can.h"
29 
30 #ifndef CAN_TX
32 #define CAN_TX GPIO5
33 #endif
34 
35 #ifndef CAN_RX
37 #define CAN_RX GPIO35
38 #endif
39 
40 #ifndef CAN_BITRATE
42 #define CAN_BITRATE (500000)
43 #endif
44 
46 static const candev_params_t candev_params[] = {
47  {
48  .name = "esp-can",
49  },
50 };
51 
53 static const can_conf_t candev_conf[] = {
54  {
55  .bitrate = CAN_BITRATE,
56  .tx_pin = CAN_TX,
57  .rx_pin = CAN_RX,
58 #ifdef CAN_CLK_OUT
59  .clk_out_pin = CAN_CLK_OUT,
60 #endif
61 #ifdef CAN_BUS_ON_OFF
62  .bus_on_off_pin = CAN_BUS_ON_OFF,
63 #endif
64  },
65 };
66 
67 #ifdef __cplusplus
68 }
69 #endif
70 
can_esp.h
can.h
Low-level CAN peripheral driver interface definitions.
CAN_TX
#define CAN_TX
Default CAN tranveiver TX pin if not defined in board configuration.
Definition: can_params.h:32
CAN_RX
#define CAN_RX
Default CAN transceiver RX pin if not defined in board configuration.
Definition: can_params.h:37
CAN_BITRATE
#define CAN_BITRATE
Default CAN Bitrate.
Definition: can_params.h:42
can_conf_t
ESP CAN device configuration.
Definition: can_esp.h:87
candev_conf
Linux candev configuration.
Definition: candev_linux.h:46
candev_params
Parameters to initialize a candev.
Definition: device.h:54
candev_params::name
const char * name
candev name to set
Definition: device.h:55
device.h
Definitions of CAN device interface.