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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* RTEMS generic MPC5200 BSP
*
* This file has to be included by application when using mscan.
*/
/*
* Copyright (c) 2005 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __MSCAN_H__
#define __MSCAN_H__
#ifdef __cplusplus
extern "C" {
#endif
#define MSCAN_A_DEV_NAME "/dev/mscana"
#define MSCAN_B_DEV_NAME "/dev/mscanb"
#define MSCAN_0_DEV_NAME "/dev/mscan0"
#define MSCAN_1_DEV_NAME "/dev/mscan1"
#define MSCAN_A 0
#define MSCAN_B 1
#define MSCAN_MAX_DATA_BYTES 8
#define MSCAN_MESS_ID_RTR (1 << 15)
#define MSCAN_MESS_ID_RTR_MASK (1 << 15)
#define MSCAN_MESS_ID_ID_MASK ((1 << 11)-1)
#define MSCAN_MESS_ID_HAS_RTR(id) (((id)&MSCAN_MESS_ID_RTR_MASK)==MSCAN_MESS_ID_RTR)
#define MSCAN_SET_RX_ID 1
#define MSCAN_GET_RX_ID 2
#define MSCAN_SET_RX_ID_MASK 3
#define MSCAN_GET_RX_ID_MASK 4
#define MSCAN_SET_TX_ID 5
#define MSCAN_GET_TX_ID 6
#define TOUCAN_MSCAN_INIT 7
#define MSCAN_SET_BAUDRATE 8
#define SET_TX_BUF_NO 9
struct can_message
{
/* uint16_t mess_len; */
uint16_t mess_id;
uint16_t mess_time_stamp;
uint8_t mess_data[MSCAN_MAX_DATA_BYTES];
uint8_t mess_len;
uint8_t mess_rtr;
uint32_t toucan_tx_idx;
};
struct mscan_rx_parms
{
struct can_message *rx_mess;
uint32_t rx_timeout;
uint8_t rx_flags;
};
struct mscan_tx_parms
{
struct can_message *tx_mess;
uint32_t tx_idx;
};
struct mscan_ctrl_parms
{
uint32_t ctrl_id;
uint32_t ctrl_id_mask;
uint8_t ctrl_reg_no;
uint8_t ctrl_tx_buf_no;
uint32_t ctrl_can_bitrate;
void (*toucan_cb_fnc)(int16_t);
};
rtems_device_driver mscan_initialize( rtems_device_major_number,
rtems_device_minor_number,
void *
);
rtems_device_driver mscan_open( rtems_device_major_number,
rtems_device_minor_number,
void *
);
rtems_device_driver mscan_close( rtems_device_major_number,
rtems_device_minor_number,
void *
);
rtems_device_driver mscan_read( rtems_device_major_number,
rtems_device_minor_number,
void *
);
rtems_device_driver mscan_write( rtems_device_major_number,
rtems_device_minor_number,
void *
);
rtems_device_driver mscan_control( rtems_device_major_number,
rtems_device_minor_number,
void *
);
#define MSCAN_DRIVER_TABLE_ENTRY \
{ mscan_initialize, mscan_open, mscan_close, \
mscan_read, mscan_write, mscan_control }
#ifdef __cplusplus
}
#endif
#endif /* __MSCAN_H__ */
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