incubator-nuttx/drivers/can/sja1000.h

912 lines
32 KiB
C

/****************************************************************************
* drivers/can/sja1000.h
*
* SJA1000 CAN driver based on esp32c3_twai.h
*
* License header retained from original source.
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __DRIVERS_CAN_SJA1000_H
#define __DRIVERS_CAN_SJA1000_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Default interrupts - Exclude data overrun (bit[3]) and brp_div (bit[4])
*/
#define SJA1000_DEFAULT_INTERRUPTS 0xe7
/* Number of standard/extended filters */
#define SJA1000_NFILTERS 1
/* SJA1000_MODE_REG register
* Mode Register
*/
#define SJA1000_MODE_REG (0x00)
/* SJA1000_RX_FILTER_MODE : R/W; bitpos: [3]; default: 0;
* This bit is used to configure the filter mode. 0: Dual filter mode; 1:
* Single filter mode.
*/
#define SJA1000_RX_FILTER_MODE (BIT(3))
#define SJA1000_RX_FILTER_MODE_M \
(SJA1000_RX_FILTER_MODE_V << SJA1000_RX_FILTER_MODE_S)
#define SJA1000_RX_FILTER_MODE_V 0x00000001
#define SJA1000_RX_FILTER_MODE_S 3
/* SJA1000_SELF_TEST_MODE : R/W; bitpos: [2]; default: 0;
* 1: Self test mode. In this mode the TX nodes can perform a successful
* transmission without receiving the acknowledge signal. This mode is often
* used to test a single node with the self reception request command.
*/
#define SJA1000_SELF_TEST_MODE (BIT(2))
#define SJA1000_SELF_TEST_MODE_M \
(SJA1000_SELF_TEST_MODE_V << SJA1000_SELF_TEST_MODE_S)
#define SJA1000_SELF_TEST_MODE_V 0x00000001
#define SJA1000_SELF_TEST_MODE_S 2
/* SJA1000_LISTEN_ONLY_MODE : R/W; bitpos: [1]; default: 0;
* 1: Listen only mode. In this mode the nodes will only receive messages
* from the bus, without generating the acknowledge signal nor updating the
* RX error counter.
*/
#define SJA1000_LISTEN_ONLY_MODE (BIT(1))
#define SJA1000_LISTEN_ONLY_MODE_M \
(SJA1000_LISTEN_ONLY_MODE_V << SJA1000_LISTEN_ONLY_MODE_S)
#define SJA1000_LISTEN_ONLY_MODE_V 0x00000001
#define SJA1000_LISTEN_ONLY_MODE_S 1
/* SJA1000_RESET_MODE : R/W; bitpos: [0]; default: 1;
* This bit is used to configure the operating mode of the SJA1000
* Controller. 1: Reset mode; 0: Operating mode.
*/
#define SJA1000_RESET_MODE (BIT(0))
#define SJA1000_RESET_MODE_M (SJA1000_RESET_MODE_V << SJA1000_RESET_MODE_S)
#define SJA1000_RESET_MODE_V 0x00000001
#define SJA1000_RESET_MODE_S 0
/* SJA1000_CMD_REG register
* Command Register
*/
#define SJA1000_CMD_REG (0x01)
/* SJA1000_SELF_RX_REQ : WO; bitpos: [4]; default: 0;
* Self reception request command. Set the bit to 1 to allow a message be
* transmitted and received simultaneously.
*/
#define SJA1000_SELF_RX_REQ (BIT(4))
#define SJA1000_SELF_RX_REQ_M \
(SJA1000_SELF_RX_REQ_V << SJA1000_SELF_RX_REQ_S)
#define SJA1000_SELF_RX_REQ_V 0x00000001
#define SJA1000_SELF_RX_REQ_S 4
/* SJA1000_CLR_OVERRUN : WO; bitpos: [3]; default: 0;
* Set the bit to 1 to clear the data overrun status bit.
*/
#define SJA1000_CLR_OVERRUN (BIT(3))
#define SJA1000_CLR_OVERRUN_M \
(SJA1000_CLR_OVERRUN_V << SJA1000_CLR_OVERRUN_S)
#define SJA1000_CLR_OVERRUN_V 0x00000001
#define SJA1000_CLR_OVERRUN_S 3
/* SJA1000_RELEASE_BUF : WO; bitpos: [2]; default: 0;
* Set the bit to 1 to release the RX buffer.
*/
#define SJA1000_RELEASE_BUF (BIT(2))
#define SJA1000_RELEASE_BUF_M \
(SJA1000_RELEASE_BUF_V << SJA1000_RELEASE_BUF_S)
#define SJA1000_RELEASE_BUF_V 0x00000001
#define SJA1000_RELEASE_BUF_S 2
/* SJA1000_ABORT_TX : WO; bitpos: [1]; default: 0;
* Set the bit to 1 to cancel a pending transmission request.
*/
#define SJA1000_ABORT_TX (BIT(1))
#define SJA1000_ABORT_TX_M (SJA1000_ABORT_TX_V << SJA1000_ABORT_TX_S)
#define SJA1000_ABORT_TX_V 0x00000001
#define SJA1000_ABORT_TX_S 1
/* SJA1000_TX_REQ : WO; bitpos: [0]; default: 0;
* Set the bit to 1 to allow the driving nodes start transmission.
*/
#define SJA1000_TX_REQ (BIT(0))
#define SJA1000_TX_REQ_M (SJA1000_TX_REQ_V << SJA1000_TX_REQ_S)
#define SJA1000_TX_REQ_V 0x00000001
#define SJA1000_TX_REQ_S 0
/* SJA1000_STATUS_REG register
* Status register
*/
#define SJA1000_STATUS_REG (0x02)
/* SJA1000_MISS_ST : RO; bitpos: [8]; default: 0;
* This bit reflects whether the data packet in the RX FIFO is complete. 1:
* The current packet is missing; 0: The current packet is complete
*/
#define SJA1000_MISS_ST (BIT(8))
#define SJA1000_MISS_ST_M (SJA1000_MISS_ST_V << SJA1000_MISS_ST_S)
#define SJA1000_MISS_ST_V 0x00000001
#define SJA1000_MISS_ST_S 8
/* SJA1000_BUS_OFF_ST : RO; bitpos: [7]; default: 0;
* 1: In bus-off status, the SJA1000 Controller is no longer involved in bus
* activities.
*/
#define SJA1000_BUS_OFF_ST (BIT(7))
#define SJA1000_BUS_OFF_ST_M (SJA1000_BUS_OFF_ST_V << SJA1000_BUS_OFF_ST_S)
#define SJA1000_BUS_OFF_ST_V 0x00000001
#define SJA1000_BUS_OFF_ST_S 7
/* SJA1000_ERR_ST : RO; bitpos: [6]; default: 0;
* 1: At least one of the RX/TX error counter has reached or exceeded the
* value set in register SJA1000_ERR_WARNING_LIMIT_REG.
*/
#define SJA1000_ERR_ST (BIT(6))
#define SJA1000_ERR_ST_M (SJA1000_ERR_ST_V << SJA1000_ERR_ST_S)
#define SJA1000_ERR_ST_V 0x00000001
#define SJA1000_ERR_ST_S 6
/* SJA1000_TX_ST : RO; bitpos: [5]; default: 0;
* 1: The SJA1000 Controller is transmitting a message to the bus.
*/
#define SJA1000_TX_ST (BIT(5))
#define SJA1000_TX_ST_M (SJA1000_TX_ST_V << SJA1000_TX_ST_S)
#define SJA1000_TX_ST_V 0x00000001
#define SJA1000_TX_ST_S 5
/* SJA1000_RX_ST : RO; bitpos: [4]; default: 0;
* 1: The SJA1000 Controller is receiving a message from the bus.
*/
#define SJA1000_RX_ST (BIT(4))
#define SJA1000_RX_ST_M (SJA1000_RX_ST_V << SJA1000_RX_ST_S)
#define SJA1000_RX_ST_V 0x00000001
#define SJA1000_RX_ST_S 4
/* SJA1000_TX_COMPLETE : RO; bitpos: [3]; default: 0;
* 1: The SJA1000 controller has successfully received a packet from the
* bus.
*/
#define SJA1000_TX_COMPLETE (BIT(3))
#define SJA1000_TX_COMPLETE_M \
(SJA1000_TX_COMPLETE_V << SJA1000_TX_COMPLETE_S)
#define SJA1000_TX_COMPLETE_V 0x00000001
#define SJA1000_TX_COMPLETE_S 3
/* SJA1000_TX_BUF_ST : RO; bitpos: [2]; default: 0;
* 1: The TX buffer is empty, the CPU may write a message into it.
*/
#define SJA1000_TX_BUF_ST (BIT(2))
#define SJA1000_TX_BUF_ST_M (SJA1000_TX_BUF_ST_V << SJA1000_TX_BUF_ST_S)
#define SJA1000_TX_BUF_ST_V 0x00000001
#define SJA1000_TX_BUF_ST_S 2
/* SJA1000_OVERRUN_ST : RO; bitpos: [1]; default: 0;
* 1: The RX FIFO is full and data overrun has occurred.
*/
#define SJA1000_OVERRUN_ST (BIT(1))
#define SJA1000_OVERRUN_ST_M (SJA1000_OVERRUN_ST_V << SJA1000_OVERRUN_ST_S)
#define SJA1000_OVERRUN_ST_V 0x00000001
#define SJA1000_OVERRUN_ST_S 1
/* SJA1000_RX_BUF_ST : RO; bitpos: [0]; default: 0;
* 1: The data in the RX buffer is not empty, with at least one received
* data packet.
*/
#define SJA1000_RX_BUF_ST (BIT(0))
#define SJA1000_RX_BUF_ST_M (SJA1000_RX_BUF_ST_V << SJA1000_RX_BUF_ST_S)
#define SJA1000_RX_BUF_ST_V 0x00000001
#define SJA1000_RX_BUF_ST_S 0
/* SJA1000_INT_RAW_REG register
* Interrupt Register
*/
#define SJA1000_INT_RAW_REG (0x03)
/* SJA1000_BUS_ERR_INT_ST : RO; bitpos: [7]; default: 0;
* Error interrupt. If this bit is set to 1, it indicates an error is
* detected on the bus.
*/
#define SJA1000_BUS_ERR_INT_ST (BIT(7))
#define SJA1000_BUS_ERR_INT_ST_M \
(SJA1000_BUS_ERR_INT_ST_V << SJA1000_BUS_ERR_INT_ST_S)
#define SJA1000_BUS_ERR_INT_ST_V 0x00000001
#define SJA1000_BUS_ERR_INT_ST_S 7
/* SJA1000_ARB_LOST_INT_ST : RO; bitpos: [6]; default: 0;
* Arbitration lost interrupt. If this bit is set to 1, it indicates an
* arbitration lost interrupt is generated.
*/
#define SJA1000_ARB_LOST_INT_ST (BIT(6))
#define SJA1000_ARB_LOST_INT_ST_M \
(SJA1000_ARB_LOST_INT_ST_V << SJA1000_ARB_LOST_INT_ST_S)
#define SJA1000_ARB_LOST_INT_ST_V 0x00000001
#define SJA1000_ARB_LOST_INT_ST_S 6
/* SJA1000_ERR_PASSIVE_INT_ST : RO; bitpos: [5]; default: 0;
* Error passive interrupt. If this bit is set to 1, it indicates the
* SJA1000 Controller is switched between error active status and error
* passive status due to the change of error counters.
*/
#define SJA1000_ERR_PASSIVE_INT_ST (BIT(5))
#define SJA1000_ERR_PASSIVE_INT_ST_M \
(SJA1000_ERR_PASSIVE_INT_ST_V << SJA1000_ERR_PASSIVE_INT_ST_S)
#define SJA1000_ERR_PASSIVE_INT_ST_V 0x00000001
#define SJA1000_ERR_PASSIVE_INT_ST_S 5
/* SJA1000_OVERRUN_INT_ST : RO; bitpos: [3]; default: 0;
* Data overrun interrupt. If this bit is set to 1, it indicates a data
* overrun interrupt is generated in the RX FIFO.
*/
#define SJA1000_OVERRUN_INT_ST (BIT(3))
#define SJA1000_OVERRUN_INT_ST_M \
(SJA1000_OVERRUN_INT_ST_V << SJA1000_OVERRUN_INT_ST_S)
#define SJA1000_OVERRUN_INT_ST_V 0x00000001
#define SJA1000_OVERRUN_INT_ST_S 3
/* SJA1000_ERR_WARN_INT_ST : RO; bitpos: [2]; default: 0;
* Error warning interrupt. If this bit is set to 1, it indicates the error
* status signal and the bus-off status signal of Status register have
* changed (e.g., switched from 0 to 1 or from 1 to 0).
*/
#define SJA1000_ERR_WARN_INT_ST (BIT(2))
#define SJA1000_ERR_WARN_INT_ST_M \
(SJA1000_ERR_WARN_INT_ST_V << SJA1000_ERR_WARN_INT_ST_S)
#define SJA1000_ERR_WARN_INT_ST_V 0x00000001
#define SJA1000_ERR_WARN_INT_ST_S 2
/* SJA1000_TX_INT_ST : RO; bitpos: [1]; default: 0;
* Transmit interrupt. If this bit is set to 1, it indicates the message
* transmitting mis- sion is finished and a new transmission is able to
* execute.
*/
#define SJA1000_TX_INT_ST (BIT(1))
#define SJA1000_TX_INT_ST_M (SJA1000_TX_INT_ST_V << SJA1000_TX_INT_ST_S)
#define SJA1000_TX_INT_ST_V 0x00000001
#define SJA1000_TX_INT_ST_S 1
/* SJA1000_RX_INT_ST : RO; bitpos: [0]; default: 0;
* Receive interrupt. If this bit is set to 1, it indicates there are
* messages to be handled in the RX FIFO.
*/
#define SJA1000_RX_INT_ST (BIT(0))
#define SJA1000_RX_INT_ST_M (SJA1000_RX_INT_ST_V << SJA1000_RX_INT_ST_S)
#define SJA1000_RX_INT_ST_V 0x00000001
#define SJA1000_RX_INT_ST_S 0
/* SJA1000_INT_ENA_REG register
* Interrupt Enable Register
*/
#define SJA1000_INT_ENA_REG (0x04)
/* SJA1000_BUS_ERR_INT_ENA : R/W; bitpos: [7]; default: 0;
* Set this bit to 1 to enable error interrupt.
*/
#define SJA1000_BUS_ERR_INT_ENA (BIT(7))
#define SJA1000_BUS_ERR_INT_ENA_M \
(SJA1000_BUS_ERR_INT_ENA_V << SJA1000_BUS_ERR_INT_ENA_S)
#define SJA1000_BUS_ERR_INT_ENA_V 0x00000001
#define SJA1000_BUS_ERR_INT_ENA_S 7
/* SJA1000_ARB_LOST_INT_ENA : R/W; bitpos: [6]; default: 0;
* Set this bit to 1 to enable arbitration lost interrupt.
*/
#define SJA1000_ARB_LOST_INT_ENA (BIT(6))
#define SJA1000_ARB_LOST_INT_ENA_M \
(SJA1000_ARB_LOST_INT_ENA_V << SJA1000_ARB_LOST_INT_ENA_S)
#define SJA1000_ARB_LOST_INT_ENA_V 0x00000001
#define SJA1000_ARB_LOST_INT_ENA_S 6
/* SJA1000_ERR_PASSIVE_INT_ENA : R/W; bitpos: [5]; default: 0;
* Set this bit to 1 to enable error passive interrupt.
*/
#define SJA1000_ERR_PASSIVE_INT_ENA (BIT(5))
#define SJA1000_ERR_PASSIVE_INT_ENA_M \
(SJA1000_ERR_PASSIVE_INT_ENA_V << SJA1000_ERR_PASSIVE_INT_ENA_S)
#define SJA1000_ERR_PASSIVE_INT_ENA_V 0x00000001
#define SJA1000_ERR_PASSIVE_INT_ENA_S 5
/* SJA1000_OVERRUN_INT_ENA : R/W; bitpos: [3]; default: 0;
* Set this bit to 1 to enable data overrun interrupt.
*/
#define SJA1000_OVERRUN_INT_ENA (BIT(3))
#define SJA1000_OVERRUN_INT_ENA_M \
(SJA1000_OVERRUN_INT_ENA_V << SJA1000_OVERRUN_INT_ENA_S)
#define SJA1000_OVERRUN_INT_ENA_V 0x00000001
#define SJA1000_OVERRUN_INT_ENA_S 3
/* SJA1000_ERR_WARN_INT_ENA : R/W; bitpos: [2]; default: 0;
* Set this bit to 1 to enable error warning interrupt.
*/
#define SJA1000_ERR_WARN_INT_ENA (BIT(2))
#define SJA1000_ERR_WARN_INT_ENA_M \
(SJA1000_ERR_WARN_INT_ENA_V << SJA1000_ERR_WARN_INT_ENA_S)
#define SJA1000_ERR_WARN_INT_ENA_V 0x00000001
#define SJA1000_ERR_WARN_INT_ENA_S 2
/* SJA1000_TX_INT_ENA : R/W; bitpos: [1]; default: 0;
* Set this bit to 1 to enable transmit interrupt.
*/
#define SJA1000_TX_INT_ENA (BIT(1))
#define SJA1000_TX_INT_ENA_M (SJA1000_TX_INT_ENA_V << SJA1000_TX_INT_ENA_S)
#define SJA1000_TX_INT_ENA_V 0x00000001
#define SJA1000_TX_INT_ENA_S 1
/* SJA1000_RX_INT_ENA : R/W; bitpos: [0]; default: 0;
* Set this bit to 1 to enable receive interrupt.
*/
#define SJA1000_RX_INT_ENA (BIT(0))
#define SJA1000_RX_INT_ENA_M (SJA1000_RX_INT_ENA_V << SJA1000_RX_INT_ENA_S)
#define SJA1000_RX_INT_ENA_V 0x00000001
#define SJA1000_RX_INT_ENA_S 0
/* SJA1000_BUS_TIMING_0_REG register
* Bus Timing Register 0
*/
#define SJA1000_BUS_TIMING_0_REG (0x06)
/* SJA1000_SYNC_JUMP_WIDTH : RO | R/W; bitpos: [7:6]; default: 0;
* Synchronization Jump Width (SJW), 1 \verb+~+ 14 Tq wide.
*/
#define SJA1000_SYNC_JUMP_WIDTH 0x00000003
#define SJA1000_SYNC_JUMP_WIDTH_M \
(SJA1000_SYNC_JUMP_WIDTH_V << SJA1000_SYNC_JUMP_WIDTH_S)
#define SJA1000_SYNC_JUMP_WIDTH_V 0x00000003
#define SJA1000_SYNC_JUMP_WIDTH_S 6
/* SJA1000_BAUD_PRESC : RO | R/W; bitpos: [5:0]; default: 0;
* Baud Rate Prescaler, determines the frequency dividing ratio.
*/
#define SJA1000_BAUD_PRESC 0x0000003F
#define SJA1000_BAUD_PRESC_M (SJA1000_BAUD_PRESC_V << SJA1000_BAUD_PRESC_S)
#define SJA1000_BAUD_PRESC_V 0x0000003F
#define SJA1000_BAUD_PRESC_S 0
/* SJA1000_BUS_TIMING_1_REG register
* Bus Timing Register 1
*/
#define SJA1000_BUS_TIMING_1_REG (0x07)
/* SJA1000_TIME_SAMP : RO | R/W; bitpos: [7]; default: 0;
* The number of sample points. 0: the bus is sampled once; 1: the bus is
* sampled three times
*/
#define SJA1000_TIME_SAMP (BIT(7))
#define SJA1000_TIME_SAMP_M (SJA1000_TIME_SAMP_V << SJA1000_TIME_SAMP_S)
#define SJA1000_TIME_SAMP_V 0x00000001
#define SJA1000_TIME_SAMP_S 7
/* SJA1000_TIME_SEG2 : RO | R/W; bitpos: [6:4]; default: 0;
* The width of PBS2.
*/
#define SJA1000_TIME_SEG2 0x00000007
#define SJA1000_TIME_SEG2_M (SJA1000_TIME_SEG2_V << SJA1000_TIME_SEG2_S)
#define SJA1000_TIME_SEG2_V 0x00000007
#define SJA1000_TIME_SEG2_S 4
/* SJA1000_TIME_SEG1 : RO | R/W; bitpos: [3:0]; default: 0;
* The width of PBS1.
*/
#define SJA1000_TIME_SEG1 0x0000000F
#define SJA1000_TIME_SEG1_M (SJA1000_TIME_SEG1_V << SJA1000_TIME_SEG1_S)
#define SJA1000_TIME_SEG1_V 0x0000000F
#define SJA1000_TIME_SEG1_S 0
/* SJA1000_ARB_LOST_CAP_REG register
* Arbitration Lost Capture Register
*/
#define SJA1000_ARB_LOST_CAP_REG (0x0B)
/* SJA1000_ARB_LOST_CAP : RO; bitpos: [4:0]; default: 0;
* This register contains information about the bit position of lost
* arbitration.
*/
#define SJA1000_ARB_LOST_CAP 0x0000001F
#define SJA1000_ARB_LOST_CAP_M \
(SJA1000_ARB_LOST_CAP_V << SJA1000_ARB_LOST_CAP_S)
#define SJA1000_ARB_LOST_CAP_V 0x0000001F
#define SJA1000_ARB_LOST_CAP_S 0
/* SJA1000_ERR_CODE_CAP_REG register
* Error Code Capture Register
*/
#define SJA1000_ERR_CODE_CAP_REG (0x0C)
/* SJA1000_ECC_TYPE : RO; bitpos: [7:6]; default: 0;
* This register contains information about error types: 00: bit error; 01:
* form error; 10: stuff error; 11: other type of error
*/
#define SJA1000_ECC_TYPE 0x00000003
#define SJA1000_ECC_TYPE_M (SJA1000_ECC_TYPE_V << SJA1000_ECC_TYPE_S)
#define SJA1000_ECC_TYPE_V 0x00000003
#define SJA1000_ECC_TYPE_S 6
/* SJA1000_ECC_DIRECTION : RO; bitpos: [5]; default: 0;
* This register contains information about transmission direction of the
* node when error occurs. 1: Error occurs when receiving a message; 0:
* Error occurs when transmitting a message
*/
#define SJA1000_ECC_DIRECTION (BIT(5))
#define SJA1000_ECC_DIRECTION_M \
(SJA1000_ECC_DIRECTION_V << SJA1000_ECC_DIRECTION_S)
#define SJA1000_ECC_DIRECTION_V 0x00000001
#define SJA1000_ECC_DIRECTION_S 5
/* SJA1000_ECC_SEGMENT : RO; bitpos: [4:0]; default: 0;
* This register contains information about the location of errors, see
* Table 181 for details.
*/
#define SJA1000_ECC_SEGMENT 0x0000001F
#define SJA1000_ECC_SEGMENT_M \
(SJA1000_ECC_SEGMENT_V << SJA1000_ECC_SEGMENT_S)
#define SJA1000_ECC_SEGMENT_V 0x0000001F
#define SJA1000_ECC_SEGMENT_S 0
/* SJA1000_ERR_WARNING_LIMIT_REG register
* Error Warning Limit Register
*/
#define SJA1000_ERR_WARNING_LIMIT_REG (0x0D)
/* SJA1000_ERR_WARNING_LIMIT : RO | R/W; bitpos: [7:0]; default: 96;
* Error warning threshold. In the case when any of a error counter value
* exceeds the threshold, or all the error counter values are below the
* threshold, an error warning interrupt will be triggered (given the enable
* signal is valid).
*/
#define SJA1000_ERR_WARNING_LIMIT 0x000000FF
#define SJA1000_ERR_WARNING_LIMIT_M \
(SJA1000_ERR_WARNING_LIMIT_V << SJA1000_ERR_WARNING_LIMIT_S)
#define SJA1000_ERR_WARNING_LIMIT_V 0x000000FF
#define SJA1000_ERR_WARNING_LIMIT_S 0
/* SJA1000_RX_ERR_CNT_REG register
* Receive Error Counter Register
*/
#define SJA1000_RX_ERR_CNT_REG (0x0E)
/* SJA1000_RX_ERR_CNT : RO | R/W; bitpos: [7:0]; default: 0;
* The RX error counter register, reflects value changes under reception
* status.
*/
#define SJA1000_RX_ERR_CNT 0x000000FF
#define SJA1000_RX_ERR_CNT_M (SJA1000_RX_ERR_CNT_V << SJA1000_RX_ERR_CNT_S)
#define SJA1000_RX_ERR_CNT_V 0x000000FF
#define SJA1000_RX_ERR_CNT_S 0
/* SJA1000_TX_ERR_CNT_REG register
* Transmit Error Counter Register
*/
#define SJA1000_TX_ERR_CNT_REG (0x0F)
/* SJA1000_TX_ERR_CNT : RO | R/W; bitpos: [7:0]; default: 0;
* The TX error counter register, reflects value changes under transmission
* status.
*/
#define SJA1000_TX_ERR_CNT 0x000000FF
#define SJA1000_TX_ERR_CNT_M (SJA1000_TX_ERR_CNT_V << SJA1000_TX_ERR_CNT_S)
#define SJA1000_TX_ERR_CNT_V 0x000000FF
#define SJA1000_TX_ERR_CNT_S 0
/* SJA1000_DATA_0_REG register
* Data register 0
*/
#define SJA1000_DATA_0_REG (0x10)
/* SJA1000_TX_BYTE_0 : WO; bitpos: [7:0]; default: 0;
* Stored the 0th byte information of the data to be transmitted under
* operating mode.
*/
#define SJA1000_TX_BYTE_0 0x000000FF
#define SJA1000_TX_BYTE_0_M (SJA1000_TX_BYTE_0_V << SJA1000_TX_BYTE_0_S)
#define SJA1000_TX_BYTE_0_V 0x000000FF
#define SJA1000_TX_BYTE_0_S 0
/* SJA1000_ACCEPTANCE_CODE_0 : WO; bitpos: [7:0]; default: 0;
* Stored the 0th byte of the filter code in reset mode.
*/
#define SJA1000_ACCEPTANCE_CODE_0 0x000000FF
#define SJA1000_ACCEPTANCE_CODE_0_M \
(SJA1000_ACCEPTANCE_CODE_0_V << SJA1000_ACCEPTANCE_CODE_0_S)
#define SJA1000_ACCEPTANCE_CODE_0_V 0x000000FF
#define SJA1000_ACCEPTANCE_CODE_0_S 0
/* SJA1000_DATA_1_REG register
* Data register 1
*/
#define SJA1000_DATA_1_REG (0x11)
/* SJA1000_TX_BYTE_1 : WO; bitpos: [7:0]; default: 0;
* Stored the 1st byte information of the data to be transmitted under
* operating mode.
*/
#define SJA1000_TX_BYTE_1 0x000000FF
#define SJA1000_TX_BYTE_1_M (SJA1000_TX_BYTE_1_V << SJA1000_TX_BYTE_1_S)
#define SJA1000_TX_BYTE_1_V 0x000000FF
#define SJA1000_TX_BYTE_1_S 0
/* SJA1000_ACCEPTANCE_CODE_1 : WO; bitpos: [7:0]; default: 0;
* Stored the 1st byte of the filter code in reset mode.
*/
#define SJA1000_ACCEPTANCE_CODE_1 0x000000FF
#define SJA1000_ACCEPTANCE_CODE_1_M \
(SJA1000_ACCEPTANCE_CODE_1_V << SJA1000_ACCEPTANCE_CODE_1_S)
#define SJA1000_ACCEPTANCE_CODE_1_V 0x000000FF
#define SJA1000_ACCEPTANCE_CODE_1_S 0
/* SJA1000_DATA_2_REG register
* Data register 2
*/
#define SJA1000_DATA_2_REG (0x12)
/* SJA1000_TX_BYTE_2 : WO; bitpos: [7:0]; default: 0;
* Stored the 2nd byte information of the data to be transmitted under
* operating mode.
*/
#define SJA1000_TX_BYTE_2 0x000000FF
#define SJA1000_TX_BYTE_2_M (SJA1000_TX_BYTE_2_V << SJA1000_TX_BYTE_2_S)
#define SJA1000_TX_BYTE_2_V 0x000000FF
#define SJA1000_TX_BYTE_2_S 0
/* SJA1000_ACCEPTANCE_CODE_2 : WO; bitpos: [7:0]; default: 0;
* Stored the 2nd byte of the filter code in reset mode.
*/
#define SJA1000_ACCEPTANCE_CODE_2 0x000000FF
#define SJA1000_ACCEPTANCE_CODE_2_M \
(SJA1000_ACCEPTANCE_CODE_2_V << SJA1000_ACCEPTANCE_CODE_2_S)
#define SJA1000_ACCEPTANCE_CODE_2_V 0x000000FF
#define SJA1000_ACCEPTANCE_CODE_2_S 0
/* SJA1000_DATA_3_REG register
* Data register 3
*/
#define SJA1000_DATA_3_REG (0x13)
/* SJA1000_TX_BYTE_3 : WO; bitpos: [7:0]; default: 0;
* Stored the 3rd byte information of the data to be transmitted under
* operating mode.
*/
#define SJA1000_TX_BYTE_3 0x000000FF
#define SJA1000_TX_BYTE_3_M (SJA1000_TX_BYTE_3_V << SJA1000_TX_BYTE_3_S)
#define SJA1000_TX_BYTE_3_V 0x000000FF
#define SJA1000_TX_BYTE_3_S 0
/* SJA1000_ACCEPTANCE_CODE_3 : WO; bitpos: [7:0]; default: 0;
* Stored the 3rd byte of the filter code in reset mode.
*/
#define SJA1000_ACCEPTANCE_CODE_3 0x000000FF
#define SJA1000_ACCEPTANCE_CODE_3_M \
(SJA1000_ACCEPTANCE_CODE_3_V << SJA1000_ACCEPTANCE_CODE_3_S)
#define SJA1000_ACCEPTANCE_CODE_3_V 0x000000FF
#define SJA1000_ACCEPTANCE_CODE_3_S 0
/* SJA1000_DATA_4_REG register
* Data register 4
*/
#define SJA1000_DATA_4_REG (0x14)
/* SJA1000_TX_BYTE_4 : WO; bitpos: [7:0]; default: 0;
* Stored the 4th byte information of the data to be transmitted under
* operating mode.
*/
#define SJA1000_TX_BYTE_4 0x000000FF
#define SJA1000_TX_BYTE_4_M (SJA1000_TX_BYTE_4_V << SJA1000_TX_BYTE_4_S)
#define SJA1000_TX_BYTE_4_V 0x000000FF
#define SJA1000_TX_BYTE_4_S 0
/* SJA1000_ACCEPTANCE_MASK_0 : WO; bitpos: [7:0]; default: 0;
* Stored the 0th byte of the filter code in reset mode.
*/
#define SJA1000_ACCEPTANCE_MASK_0 0x000000FF
#define SJA1000_ACCEPTANCE_MASK_0_M \
(SJA1000_ACCEPTANCE_MASK_0_V << SJA1000_ACCEPTANCE_MASK_0_S)
#define SJA1000_ACCEPTANCE_MASK_0_V 0x000000FF
#define SJA1000_ACCEPTANCE_MASK_0_S 0
/* SJA1000_DATA_5_REG register
* Data register 5
*/
#define SJA1000_DATA_5_REG (0x15)
/* SJA1000_TX_BYTE_5 : WO; bitpos: [7:0]; default: 0;
* Stored the 5th byte information of the data to be transmitted under
* operating mode.
*/
#define SJA1000_TX_BYTE_5 0x000000FF
#define SJA1000_TX_BYTE_5_M (SJA1000_TX_BYTE_5_V << SJA1000_TX_BYTE_5_S)
#define SJA1000_TX_BYTE_5_V 0x000000FF
#define SJA1000_TX_BYTE_5_S 0
/* SJA1000_ACCEPTANCE_MASK_1 : WO; bitpos: [7:0]; default: 0;
* Stored the 1st byte of the filter code in reset mode.
*/
#define SJA1000_ACCEPTANCE_MASK_1 0x000000FF
#define SJA1000_ACCEPTANCE_MASK_1_M \
(SJA1000_ACCEPTANCE_MASK_1_V << SJA1000_ACCEPTANCE_MASK_1_S)
#define SJA1000_ACCEPTANCE_MASK_1_V 0x000000FF
#define SJA1000_ACCEPTANCE_MASK_1_S 0
/* SJA1000_DATA_6_REG register
* Data register 6
*/
#define SJA1000_DATA_6_REG (0x16)
/* SJA1000_TX_BYTE_6 : WO; bitpos: [7:0]; default: 0;
* Stored the 6th byte information of the data to be transmitted under
* operating mode.
*/
#define SJA1000_TX_BYTE_6 0x000000FF
#define SJA1000_TX_BYTE_6_M (SJA1000_TX_BYTE_6_V << SJA1000_TX_BYTE_6_S)
#define SJA1000_TX_BYTE_6_V 0x000000FF
#define SJA1000_TX_BYTE_6_S 0
/* SJA1000_ACCEPTANCE_MASK_2 : WO; bitpos: [7:0]; default: 0;
* Stored the 2nd byte of the filter code in reset mode.
*/
#define SJA1000_ACCEPTANCE_MASK_2 0x000000FF
#define SJA1000_ACCEPTANCE_MASK_2_M \
(SJA1000_ACCEPTANCE_MASK_2_V << SJA1000_ACCEPTANCE_MASK_2_S)
#define SJA1000_ACCEPTANCE_MASK_2_V 0x000000FF
#define SJA1000_ACCEPTANCE_MASK_2_S 0
/* SJA1000_DATA_7_REG register
* Data register 7
*/
#define SJA1000_DATA_7_REG (0x17)
/* SJA1000_TX_BYTE_7 : WO; bitpos: [7:0]; default: 0;
* Stored the 7th byte information of the data to be transmitted under
* operating mode.
*/
#define SJA1000_TX_BYTE_7 0x000000FF
#define SJA1000_TX_BYTE_7_M (SJA1000_TX_BYTE_7_V << SJA1000_TX_BYTE_7_S)
#define SJA1000_TX_BYTE_7_V 0x000000FF
#define SJA1000_TX_BYTE_7_S 0
/* SJA1000_ACCEPTANCE_MASK_3 : WO; bitpos: [7:0]; default: 0;
* Stored the 3th byte of the filter code in reset mode.
*/
#define SJA1000_ACCEPTANCE_MASK_3 0x000000FF
#define SJA1000_ACCEPTANCE_MASK_3_M \
(SJA1000_ACCEPTANCE_MASK_3_V << SJA1000_ACCEPTANCE_MASK_3_S)
#define SJA1000_ACCEPTANCE_MASK_3_V 0x000000FF
#define SJA1000_ACCEPTANCE_MASK_3_S 0
/* SJA1000_DATA_8_REG register
* Data register 8
*/
#define SJA1000_DATA_8_REG (0x18)
/* SJA1000_TX_BYTE_8 : WO; bitpos: [7:0]; default: 0;
* Stored the 8th byte information of the data to be transmitted under
* operating mode.
*/
#define SJA1000_TX_BYTE_8 0x000000FF
#define SJA1000_TX_BYTE_8_M (SJA1000_TX_BYTE_8_V << SJA1000_TX_BYTE_8_S)
#define SJA1000_TX_BYTE_8_V 0x000000FF
#define SJA1000_TX_BYTE_8_S 0
/* SJA1000_DATA_9_REG register
* Data register 9
*/
#define SJA1000_DATA_9_REG (0x19)
/* SJA1000_TX_BYTE_9 : WO; bitpos: [7:0]; default: 0;
* Stored the 9th byte information of the data to be transmitted under
* operating mode.
*/
#define SJA1000_TX_BYTE_9 0x000000FF
#define SJA1000_TX_BYTE_9_M (SJA1000_TX_BYTE_9_V << SJA1000_TX_BYTE_9_S)
#define SJA1000_TX_BYTE_9_V 0x000000FF
#define SJA1000_TX_BYTE_9_S 0
/* SJA1000_DATA_10_REG register
* Data register 10
*/
#define SJA1000_DATA_10_REG (0x1A)
/* SJA1000_TX_BYTE_10 : WO; bitpos: [7:0]; default: 0;
* Stored the 10th byte information of the data to be transmitted under
* operating mode.
*/
#define SJA1000_TX_BYTE_10 0x000000FF
#define SJA1000_TX_BYTE_10_M (SJA1000_TX_BYTE_10_V << SJA1000_TX_BYTE_10_S)
#define SJA1000_TX_BYTE_10_V 0x000000FF
#define SJA1000_TX_BYTE_10_S 0
/* SJA1000_DATA_11_REG register
* Data register 11
*/
#define SJA1000_DATA_11_REG (0x1B)
/* SJA1000_TX_BYTE_11 : WO; bitpos: [7:0]; default: 0;
* Stored the 11th byte information of the data to be transmitted under
* operating mode.
*/
#define SJA1000_TX_BYTE_11 0x000000FF
#define SJA1000_TX_BYTE_11_M (SJA1000_TX_BYTE_11_V << SJA1000_TX_BYTE_11_S)
#define SJA1000_TX_BYTE_11_V 0x000000FF
#define SJA1000_TX_BYTE_11_S 0
/* SJA1000_DATA_12_REG register
* Data register 12
*/
#define SJA1000_DATA_12_REG (0x1C)
/* SJA1000_TX_BYTE_12 : WO; bitpos: [7:0]; default: 0;
* Stored the 12th byte information of the data to be transmitted under
* operating mode.
*/
#define SJA1000_TX_BYTE_12 0x000000FF
#define SJA1000_TX_BYTE_12_M (SJA1000_TX_BYTE_12_V << SJA1000_TX_BYTE_12_S)
#define SJA1000_TX_BYTE_12_V 0x000000FF
#define SJA1000_TX_BYTE_12_S 0
/* SJA1000_RX_MESSAGE_CNT_REG register
* Receive Message Counter Register
*/
#define SJA1000_RX_MESSAGE_CNT_REG (0x1D)
/* SJA1000_RX_MESSAGE_COUNTER : RO; bitpos: [6:0]; default: 0;
* This register reflects the number of messages available within the RX
* FIFO.
*/
#define SJA1000_RX_MESSAGE_COUNTER 0x0000007F
#define SJA1000_RX_MESSAGE_COUNTER_M \
(SJA1000_RX_MESSAGE_COUNTER_V << SJA1000_RX_MESSAGE_COUNTER_S)
#define SJA1000_RX_MESSAGE_COUNTER_V 0x0000007F
#define SJA1000_RX_MESSAGE_COUNTER_S 0
/* SJA1000_CLOCK_DIVIDER_REG register
* Clock Divider register
*/
#define SJA1000_CLOCK_DIVIDER_REG (0x1F)
/* SJA1000_CLOCK_OFF : RO | R/W; bitpos: [3]; default: 0;
* This bit can be configured under reset mode. 1: Disable the external
* CLKOUT pin; 0: Enable the external CLKOUT pin
*/
#define SJA1000_CLOCK_OFF (BIT(3))
#define SJA1000_CLOCK_OFF_M (SJA1000_CLOCK_OFF_V << SJA1000_CLOCK_OFF_S)
#define SJA1000_CLOCK_OFF_V 0x00000001
#define SJA1000_CLOCK_OFF_S 3
/* SJA1000_EXT_MODE : RO | R/W; bitpos: [7]; default: 0;
* This bit can be configured under reset mode. 1: Extended mode, compatible
* with CAN2.0B; 0: Basic mode
*/
#define SJA1000_EXT_MODE (BIT(7))
#define SJA1000_EXT_MODE_M (SJA1000_EXT_MODE_V << SJA1000_EXT_MODE_S)
#define SJA1000_EXT_MODE_V 0x00000001
#define SJA1000_EXT_MODE_S 7
/* SJA1000_CD : R/W; bitpos: [7:0]; default: 0;
* These bits are used to configure frequency dividing coefficients of the
* external CLKOUT pin.
*/
#define SJA1000_CD 0x00000007
#define SJA1000_CD_M (SJA1000_CD_V << SJA1000_CD_S)
#define SJA1000_CD_V 0x00000007
#define SJA1000_CD_S 0
#endif /* __DRIVERS_CAN_SJA1000_H */