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Posted to commits@nuttx.apache.org by xi...@apache.org on 2022/04/15 14:55:33 UTC
[incubator-nuttx] 01/05: arch/riscv/esp32c3: esp32c3_twai.h TWAI (CAN) controller registers provided by Espressif.
This is an automated email from the ASF dual-hosted git repository.
xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git
commit 0fa1541a8025934216f209697f3758d6d141b4ad
Author: Jan Charvat <ja...@gmail.com>
AuthorDate: Wed Apr 6 12:01:16 2022 +0200
arch/riscv/esp32c3: esp32c3_twai.h TWAI (CAN) controller registers provided by Espressif.
File provided by Abdelatif Guettouche
Signed-off-by: Jan Charvat <ja...@gmail.com>
---
arch/risc-v/src/esp32c3/hardware/esp32c3_twai.h | 856 ++++++++++++++++++++++++
1 file changed, 856 insertions(+)
diff --git a/arch/risc-v/src/esp32c3/hardware/esp32c3_twai.h b/arch/risc-v/src/esp32c3/hardware/esp32c3_twai.h
new file mode 100644
index 0000000000..2aa56b84dd
--- /dev/null
+++ b/arch/risc-v/src/esp32c3/hardware/esp32c3_twai.h
@@ -0,0 +1,856 @@
+/****************************************************************************
+ * arch/risc-v/src/esp32c3/hardware/esp32c3_twai.h
+ *
+ * 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 __ARCH_RISCV_SRC_ESP32C3_HARDWARE_ESP32C3_TWAI_H
+#define __ARCH_RISCV_SRC_ESP32C3_HARDWARE_ESP32C3_TWAI_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include "esp32c3_soc.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* TWAI_MODE_REG register
+ * Mode Register
+ */
+
+#define TWAI_MODE_REG (DR_REG_TWAI_BASE + 0x0)
+
+/* TWAI_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 TWAI_RX_FILTER_MODE (BIT(3))
+#define TWAI_RX_FILTER_MODE_M (TWAI_RX_FILTER_MODE_V << TWAI_RX_FILTER_MODE_S)
+#define TWAI_RX_FILTER_MODE_V 0x00000001
+#define TWAI_RX_FILTER_MODE_S 3
+
+/* TWAI_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 TWAI_SELF_TEST_MODE (BIT(2))
+#define TWAI_SELF_TEST_MODE_M (TWAI_SELF_TEST_MODE_V << TWAI_SELF_TEST_MODE_S)
+#define TWAI_SELF_TEST_MODE_V 0x00000001
+#define TWAI_SELF_TEST_MODE_S 2
+
+/* TWAI_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 TWAI_LISTEN_ONLY_MODE (BIT(1))
+#define TWAI_LISTEN_ONLY_MODE_M (TWAI_LISTEN_ONLY_MODE_V << TWAI_LISTEN_ONLY_MODE_S)
+#define TWAI_LISTEN_ONLY_MODE_V 0x00000001
+#define TWAI_LISTEN_ONLY_MODE_S 1
+
+/* TWAI_RESET_MODE : R/W; bitpos: [0]; default: 1;
+ * This bit is used to configure the operating mode of the TWAI Controller.
+ * 1: Reset mode; 0: Operating mode.
+ */
+
+#define TWAI_RESET_MODE (BIT(0))
+#define TWAI_RESET_MODE_M (TWAI_RESET_MODE_V << TWAI_RESET_MODE_S)
+#define TWAI_RESET_MODE_V 0x00000001
+#define TWAI_RESET_MODE_S 0
+
+/* TWAI_CMD_REG register
+ * Command Register
+ */
+
+#define TWAI_CMD_REG (DR_REG_TWAI_BASE + 0x4)
+
+/* TWAI_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 TWAI_SELF_RX_REQ (BIT(4))
+#define TWAI_SELF_RX_REQ_M (TWAI_SELF_RX_REQ_V << TWAI_SELF_RX_REQ_S)
+#define TWAI_SELF_RX_REQ_V 0x00000001
+#define TWAI_SELF_RX_REQ_S 4
+
+/* TWAI_CLR_OVERRUN : WO; bitpos: [3]; default: 0;
+ * Set the bit to 1 to clear the data overrun status bit.
+ */
+
+#define TWAI_CLR_OVERRUN (BIT(3))
+#define TWAI_CLR_OVERRUN_M (TWAI_CLR_OVERRUN_V << TWAI_CLR_OVERRUN_S)
+#define TWAI_CLR_OVERRUN_V 0x00000001
+#define TWAI_CLR_OVERRUN_S 3
+
+/* TWAI_RELEASE_BUF : WO; bitpos: [2]; default: 0;
+ * Set the bit to 1 to release the RX buffer.
+ */
+
+#define TWAI_RELEASE_BUF (BIT(2))
+#define TWAI_RELEASE_BUF_M (TWAI_RELEASE_BUF_V << TWAI_RELEASE_BUF_S)
+#define TWAI_RELEASE_BUF_V 0x00000001
+#define TWAI_RELEASE_BUF_S 2
+
+/* TWAI_ABORT_TX : WO; bitpos: [1]; default: 0;
+ * Set the bit to 1 to cancel a pending transmission request.
+ */
+
+#define TWAI_ABORT_TX (BIT(1))
+#define TWAI_ABORT_TX_M (TWAI_ABORT_TX_V << TWAI_ABORT_TX_S)
+#define TWAI_ABORT_TX_V 0x00000001
+#define TWAI_ABORT_TX_S 1
+
+/* TWAI_TX_REQ : WO; bitpos: [0]; default: 0;
+ * Set the bit to 1 to allow the driving nodes start transmission.
+ */
+
+#define TWAI_TX_REQ (BIT(0))
+#define TWAI_TX_REQ_M (TWAI_TX_REQ_V << TWAI_TX_REQ_S)
+#define TWAI_TX_REQ_V 0x00000001
+#define TWAI_TX_REQ_S 0
+
+/* TWAI_STATUS_REG register
+ * Status register
+ */
+
+#define TWAI_STATUS_REG (DR_REG_TWAI_BASE + 0x8)
+
+/* TWAI_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 TWAI_MISS_ST (BIT(8))
+#define TWAI_MISS_ST_M (TWAI_MISS_ST_V << TWAI_MISS_ST_S)
+#define TWAI_MISS_ST_V 0x00000001
+#define TWAI_MISS_ST_S 8
+
+/* TWAI_BUS_OFF_ST : RO; bitpos: [7]; default: 0;
+ * 1: In bus-off status, the TWAI Controller is no longer involved in bus
+ * activities.
+ */
+
+#define TWAI_BUS_OFF_ST (BIT(7))
+#define TWAI_BUS_OFF_ST_M (TWAI_BUS_OFF_ST_V << TWAI_BUS_OFF_ST_S)
+#define TWAI_BUS_OFF_ST_V 0x00000001
+#define TWAI_BUS_OFF_ST_S 7
+
+/* TWAI_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 TWAI_ERR_WARNING_LIMIT_REG.
+ */
+
+#define TWAI_ERR_ST (BIT(6))
+#define TWAI_ERR_ST_M (TWAI_ERR_ST_V << TWAI_ERR_ST_S)
+#define TWAI_ERR_ST_V 0x00000001
+#define TWAI_ERR_ST_S 6
+
+/* TWAI_TX_ST : RO; bitpos: [5]; default: 0;
+ * 1: The TWAI Controller is transmitting a message to the bus.
+ */
+
+#define TWAI_TX_ST (BIT(5))
+#define TWAI_TX_ST_M (TWAI_TX_ST_V << TWAI_TX_ST_S)
+#define TWAI_TX_ST_V 0x00000001
+#define TWAI_TX_ST_S 5
+
+/* TWAI_RX_ST : RO; bitpos: [4]; default: 0;
+ * 1: The TWAI Controller is receiving a message from the bus.
+ */
+
+#define TWAI_RX_ST (BIT(4))
+#define TWAI_RX_ST_M (TWAI_RX_ST_V << TWAI_RX_ST_S)
+#define TWAI_RX_ST_V 0x00000001
+#define TWAI_RX_ST_S 4
+
+/* TWAI_TX_COMPLETE : RO; bitpos: [3]; default: 0;
+ * 1: The TWAI controller has successfully received a packet from the bus.
+ */
+
+#define TWAI_TX_COMPLETE (BIT(3))
+#define TWAI_TX_COMPLETE_M (TWAI_TX_COMPLETE_V << TWAI_TX_COMPLETE_S)
+#define TWAI_TX_COMPLETE_V 0x00000001
+#define TWAI_TX_COMPLETE_S 3
+
+/* TWAI_TX_BUF_ST : RO; bitpos: [2]; default: 0;
+ * 1: The TX buffer is empty, the CPU may write a message into it.
+ */
+
+#define TWAI_TX_BUF_ST (BIT(2))
+#define TWAI_TX_BUF_ST_M (TWAI_TX_BUF_ST_V << TWAI_TX_BUF_ST_S)
+#define TWAI_TX_BUF_ST_V 0x00000001
+#define TWAI_TX_BUF_ST_S 2
+
+/* TWAI_OVERRUN_ST : RO; bitpos: [1]; default: 0;
+ * 1: The RX FIFO is full and data overrun has occurred.
+ */
+
+#define TWAI_OVERRUN_ST (BIT(1))
+#define TWAI_OVERRUN_ST_M (TWAI_OVERRUN_ST_V << TWAI_OVERRUN_ST_S)
+#define TWAI_OVERRUN_ST_V 0x00000001
+#define TWAI_OVERRUN_ST_S 1
+
+/* TWAI_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 TWAI_RX_BUF_ST (BIT(0))
+#define TWAI_RX_BUF_ST_M (TWAI_RX_BUF_ST_V << TWAI_RX_BUF_ST_S)
+#define TWAI_RX_BUF_ST_V 0x00000001
+#define TWAI_RX_BUF_ST_S 0
+
+/* TWAI_INT_RAW_REG register
+ * Interrupt Register
+ */
+
+#define TWAI_INT_RAW_REG (DR_REG_TWAI_BASE + 0xc)
+
+/* TWAI_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 TWAI_BUS_ERR_INT_ST (BIT(7))
+#define TWAI_BUS_ERR_INT_ST_M (TWAI_BUS_ERR_INT_ST_V << TWAI_BUS_ERR_INT_ST_S)
+#define TWAI_BUS_ERR_INT_ST_V 0x00000001
+#define TWAI_BUS_ERR_INT_ST_S 7
+
+/* TWAI_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 TWAI_ARB_LOST_INT_ST (BIT(6))
+#define TWAI_ARB_LOST_INT_ST_M (TWAI_ARB_LOST_INT_ST_V << TWAI_ARB_LOST_INT_ST_S)
+#define TWAI_ARB_LOST_INT_ST_V 0x00000001
+#define TWAI_ARB_LOST_INT_ST_S 6
+
+/* TWAI_ERR_PASSIVE_INT_ST : RO; bitpos: [5]; default: 0;
+ * Error passive interrupt. If this bit is set to 1, it indicates the TWAI
+ * Controller is switched between error active status and error passive
+ * status due to the change of error counters.
+ */
+
+#define TWAI_ERR_PASSIVE_INT_ST (BIT(5))
+#define TWAI_ERR_PASSIVE_INT_ST_M (TWAI_ERR_PASSIVE_INT_ST_V << TWAI_ERR_PASSIVE_INT_ST_S)
+#define TWAI_ERR_PASSIVE_INT_ST_V 0x00000001
+#define TWAI_ERR_PASSIVE_INT_ST_S 5
+
+/* TWAI_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 TWAI_OVERRUN_INT_ST (BIT(3))
+#define TWAI_OVERRUN_INT_ST_M (TWAI_OVERRUN_INT_ST_V << TWAI_OVERRUN_INT_ST_S)
+#define TWAI_OVERRUN_INT_ST_V 0x00000001
+#define TWAI_OVERRUN_INT_ST_S 3
+
+/* TWAI_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 TWAI_ERR_WARN_INT_ST (BIT(2))
+#define TWAI_ERR_WARN_INT_ST_M (TWAI_ERR_WARN_INT_ST_V << TWAI_ERR_WARN_INT_ST_S)
+#define TWAI_ERR_WARN_INT_ST_V 0x00000001
+#define TWAI_ERR_WARN_INT_ST_S 2
+
+/* TWAI_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 TWAI_TX_INT_ST (BIT(1))
+#define TWAI_TX_INT_ST_M (TWAI_TX_INT_ST_V << TWAI_TX_INT_ST_S)
+#define TWAI_TX_INT_ST_V 0x00000001
+#define TWAI_TX_INT_ST_S 1
+
+/* TWAI_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 TWAI_RX_INT_ST (BIT(0))
+#define TWAI_RX_INT_ST_M (TWAI_RX_INT_ST_V << TWAI_RX_INT_ST_S)
+#define TWAI_RX_INT_ST_V 0x00000001
+#define TWAI_RX_INT_ST_S 0
+
+/* TWAI_INT_ENA_REG register
+ * Interrupt Enable Register
+ */
+
+#define TWAI_INT_ENA_REG (DR_REG_TWAI_BASE + 0x10)
+
+/* TWAI_BUS_ERR_INT_ENA : R/W; bitpos: [7]; default: 0;
+ * Set this bit to 1 to enable error interrupt.
+ */
+
+#define TWAI_BUS_ERR_INT_ENA (BIT(7))
+#define TWAI_BUS_ERR_INT_ENA_M (TWAI_BUS_ERR_INT_ENA_V << TWAI_BUS_ERR_INT_ENA_S)
+#define TWAI_BUS_ERR_INT_ENA_V 0x00000001
+#define TWAI_BUS_ERR_INT_ENA_S 7
+
+/* TWAI_ARB_LOST_INT_ENA : R/W; bitpos: [6]; default: 0;
+ * Set this bit to 1 to enable arbitration lost interrupt.
+ */
+
+#define TWAI_ARB_LOST_INT_ENA (BIT(6))
+#define TWAI_ARB_LOST_INT_ENA_M (TWAI_ARB_LOST_INT_ENA_V << TWAI_ARB_LOST_INT_ENA_S)
+#define TWAI_ARB_LOST_INT_ENA_V 0x00000001
+#define TWAI_ARB_LOST_INT_ENA_S 6
+
+/* TWAI_ERR_PASSIVE_INT_ENA : R/W; bitpos: [5]; default: 0;
+ * Set this bit to 1 to enable error passive interrupt.
+ */
+
+#define TWAI_ERR_PASSIVE_INT_ENA (BIT(5))
+#define TWAI_ERR_PASSIVE_INT_ENA_M (TWAI_ERR_PASSIVE_INT_ENA_V << TWAI_ERR_PASSIVE_INT_ENA_S)
+#define TWAI_ERR_PASSIVE_INT_ENA_V 0x00000001
+#define TWAI_ERR_PASSIVE_INT_ENA_S 5
+
+/* TWAI_OVERRUN_INT_ENA : R/W; bitpos: [3]; default: 0;
+ * Set this bit to 1 to enable data overrun interrupt.
+ */
+
+#define TWAI_OVERRUN_INT_ENA (BIT(3))
+#define TWAI_OVERRUN_INT_ENA_M (TWAI_OVERRUN_INT_ENA_V << TWAI_OVERRUN_INT_ENA_S)
+#define TWAI_OVERRUN_INT_ENA_V 0x00000001
+#define TWAI_OVERRUN_INT_ENA_S 3
+
+/* TWAI_ERR_WARN_INT_ENA : R/W; bitpos: [2]; default: 0;
+ * Set this bit to 1 to enable error warning interrupt.
+ */
+
+#define TWAI_ERR_WARN_INT_ENA (BIT(2))
+#define TWAI_ERR_WARN_INT_ENA_M (TWAI_ERR_WARN_INT_ENA_V << TWAI_ERR_WARN_INT_ENA_S)
+#define TWAI_ERR_WARN_INT_ENA_V 0x00000001
+#define TWAI_ERR_WARN_INT_ENA_S 2
+
+/* TWAI_TX_INT_ENA : R/W; bitpos: [1]; default: 0;
+ * Set this bit to 1 to enable transmit interrupt.
+ */
+
+#define TWAI_TX_INT_ENA (BIT(1))
+#define TWAI_TX_INT_ENA_M (TWAI_TX_INT_ENA_V << TWAI_TX_INT_ENA_S)
+#define TWAI_TX_INT_ENA_V 0x00000001
+#define TWAI_TX_INT_ENA_S 1
+
+/* TWAI_RX_INT_ENA : R/W; bitpos: [0]; default: 0;
+ * Set this bit to 1 to enable receive interrupt.
+ */
+
+#define TWAI_RX_INT_ENA (BIT(0))
+#define TWAI_RX_INT_ENA_M (TWAI_RX_INT_ENA_V << TWAI_RX_INT_ENA_S)
+#define TWAI_RX_INT_ENA_V 0x00000001
+#define TWAI_RX_INT_ENA_S 0
+
+/* TWAI_BUS_TIMING_0_REG register
+ * Bus Timing Register 0
+ */
+
+#define TWAI_BUS_TIMING_0_REG (DR_REG_TWAI_BASE + 0x18)
+
+/* TWAI_SYNC_JUMP_WIDTH : RO | R/W; bitpos: [15:14]; default: 0;
+ * Synchronization Jump Width (SJW), 1 \verb+~+ 14 Tq wide.
+ */
+
+#define TWAI_SYNC_JUMP_WIDTH 0x00000003
+#define TWAI_SYNC_JUMP_WIDTH_M (TWAI_SYNC_JUMP_WIDTH_V << TWAI_SYNC_JUMP_WIDTH_S)
+#define TWAI_SYNC_JUMP_WIDTH_V 0x00000003
+#define TWAI_SYNC_JUMP_WIDTH_S 14
+
+/* TWAI_BAUD_PRESC : RO | R/W; bitpos: [13:0]; default: 0;
+ * Baud Rate Prescaler, determines the frequency dividing ratio.
+ */
+
+#define TWAI_BAUD_PRESC 0x00003FFF
+#define TWAI_BAUD_PRESC_M (TWAI_BAUD_PRESC_V << TWAI_BAUD_PRESC_S)
+#define TWAI_BAUD_PRESC_V 0x00003FFF
+#define TWAI_BAUD_PRESC_S 0
+
+/* TWAI_BUS_TIMING_1_REG register
+ * Bus Timing Register 1
+ */
+
+#define TWAI_BUS_TIMING_1_REG (DR_REG_TWAI_BASE + 0x1c)
+
+/* TWAI_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 TWAI_TIME_SAMP (BIT(7))
+#define TWAI_TIME_SAMP_M (TWAI_TIME_SAMP_V << TWAI_TIME_SAMP_S)
+#define TWAI_TIME_SAMP_V 0x00000001
+#define TWAI_TIME_SAMP_S 7
+
+/* TWAI_TIME_SEG2 : RO | R/W; bitpos: [6:4]; default: 0;
+ * The width of PBS2.
+ */
+
+#define TWAI_TIME_SEG2 0x00000007
+#define TWAI_TIME_SEG2_M (TWAI_TIME_SEG2_V << TWAI_TIME_SEG2_S)
+#define TWAI_TIME_SEG2_V 0x00000007
+#define TWAI_TIME_SEG2_S 4
+
+/* TWAI_TIME_SEG1 : RO | R/W; bitpos: [3:0]; default: 0;
+ * The width of PBS1.
+ */
+
+#define TWAI_TIME_SEG1 0x0000000F
+#define TWAI_TIME_SEG1_M (TWAI_TIME_SEG1_V << TWAI_TIME_SEG1_S)
+#define TWAI_TIME_SEG1_V 0x0000000F
+#define TWAI_TIME_SEG1_S 0
+
+/* TWAI_ARB_LOST_CAP_REG register
+ * Arbitration Lost Capture Register
+ */
+
+#define TWAI_ARB_LOST_CAP_REG (DR_REG_TWAI_BASE + 0x2c)
+
+/* TWAI_ARB_LOST_CAP : RO; bitpos: [4:0]; default: 0;
+ * This register contains information about the bit position of lost
+ * arbitration.
+ */
+
+#define TWAI_ARB_LOST_CAP 0x0000001F
+#define TWAI_ARB_LOST_CAP_M (TWAI_ARB_LOST_CAP_V << TWAI_ARB_LOST_CAP_S)
+#define TWAI_ARB_LOST_CAP_V 0x0000001F
+#define TWAI_ARB_LOST_CAP_S 0
+
+/* TWAI_ERR_CODE_CAP_REG register
+ * Error Code Capture Register
+ */
+
+#define TWAI_ERR_CODE_CAP_REG (DR_REG_TWAI_BASE + 0x30)
+
+/* TWAI_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 TWAI_ECC_TYPE 0x00000003
+#define TWAI_ECC_TYPE_M (TWAI_ECC_TYPE_V << TWAI_ECC_TYPE_S)
+#define TWAI_ECC_TYPE_V 0x00000003
+#define TWAI_ECC_TYPE_S 6
+
+/* TWAI_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 TWAI_ECC_DIRECTION (BIT(5))
+#define TWAI_ECC_DIRECTION_M (TWAI_ECC_DIRECTION_V << TWAI_ECC_DIRECTION_S)
+#define TWAI_ECC_DIRECTION_V 0x00000001
+#define TWAI_ECC_DIRECTION_S 5
+
+/* TWAI_ECC_SEGMENT : RO; bitpos: [4:0]; default: 0;
+ * This register contains information about the location of errors, see
+ * Table 181 for details.
+ */
+
+#define TWAI_ECC_SEGMENT 0x0000001F
+#define TWAI_ECC_SEGMENT_M (TWAI_ECC_SEGMENT_V << TWAI_ECC_SEGMENT_S)
+#define TWAI_ECC_SEGMENT_V 0x0000001F
+#define TWAI_ECC_SEGMENT_S 0
+
+/* TWAI_ERR_WARNING_LIMIT_REG register
+ * Error Warning Limit Register
+ */
+
+#define TWAI_ERR_WARNING_LIMIT_REG (DR_REG_TWAI_BASE + 0x34)
+
+/* TWAI_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 TWAI_ERR_WARNING_LIMIT 0x000000FF
+#define TWAI_ERR_WARNING_LIMIT_M (TWAI_ERR_WARNING_LIMIT_V << TWAI_ERR_WARNING_LIMIT_S)
+#define TWAI_ERR_WARNING_LIMIT_V 0x000000FF
+#define TWAI_ERR_WARNING_LIMIT_S 0
+
+/* TWAI_RX_ERR_CNT_REG register
+ * Receive Error Counter Register
+ */
+
+#define TWAI_RX_ERR_CNT_REG (DR_REG_TWAI_BASE + 0x38)
+
+/* TWAI_RX_ERR_CNT : RO | R/W; bitpos: [7:0]; default: 0;
+ * The RX error counter register, reflects value changes under reception
+ * status.
+ */
+
+#define TWAI_RX_ERR_CNT 0x000000FF
+#define TWAI_RX_ERR_CNT_M (TWAI_RX_ERR_CNT_V << TWAI_RX_ERR_CNT_S)
+#define TWAI_RX_ERR_CNT_V 0x000000FF
+#define TWAI_RX_ERR_CNT_S 0
+
+/* TWAI_TX_ERR_CNT_REG register
+ * Transmit Error Counter Register
+ */
+
+#define TWAI_TX_ERR_CNT_REG (DR_REG_TWAI_BASE + 0x3c)
+
+/* TWAI_TX_ERR_CNT : RO | R/W; bitpos: [7:0]; default: 0;
+ * The TX error counter register, reflects value changes under transmission
+ * status.
+ */
+
+#define TWAI_TX_ERR_CNT 0x000000FF
+#define TWAI_TX_ERR_CNT_M (TWAI_TX_ERR_CNT_V << TWAI_TX_ERR_CNT_S)
+#define TWAI_TX_ERR_CNT_V 0x000000FF
+#define TWAI_TX_ERR_CNT_S 0
+
+/* TWAI_DATA_0_REG register
+ * Data register 0
+ */
+
+#define TWAI_DATA_0_REG (DR_REG_TWAI_BASE + 0x40)
+
+/* TWAI_TX_BYTE_0 : WO; bitpos: [7:0]; default: 0;
+ * Stored the 0th byte information of the data to be transmitted under
+ * operating mode.
+ */
+
+#define TWAI_TX_BYTE_0 0x000000FF
+#define TWAI_TX_BYTE_0_M (TWAI_TX_BYTE_0_V << TWAI_TX_BYTE_0_S)
+#define TWAI_TX_BYTE_0_V 0x000000FF
+#define TWAI_TX_BYTE_0_S 0
+
+/* TWAI_ACCEPTANCE_CODE_0 : WO; bitpos: [7:0]; default: 0;
+ * Stored the 0th byte of the filter code in reset mode.
+ */
+
+#define TWAI_ACCEPTANCE_CODE_0 0x000000FF
+#define TWAI_ACCEPTANCE_CODE_0_M (TWAI_ACCEPTANCE_CODE_0_V << TWAI_ACCEPTANCE_CODE_0_S)
+#define TWAI_ACCEPTANCE_CODE_0_V 0x000000FF
+#define TWAI_ACCEPTANCE_CODE_0_S 0
+
+/* TWAI_DATA_1_REG register
+ * Data register 1
+ */
+
+#define TWAI_DATA_1_REG (DR_REG_TWAI_BASE + 0x44)
+
+/* TWAI_TX_BYTE_1 : WO; bitpos: [7:0]; default: 0;
+ * Stored the 1st byte information of the data to be transmitted under
+ * operating mode.
+ */
+
+#define TWAI_TX_BYTE_1 0x000000FF
+#define TWAI_TX_BYTE_1_M (TWAI_TX_BYTE_1_V << TWAI_TX_BYTE_1_S)
+#define TWAI_TX_BYTE_1_V 0x000000FF
+#define TWAI_TX_BYTE_1_S 0
+
+/* TWAI_ACCEPTANCE_CODE_1 : WO; bitpos: [7:0]; default: 0;
+ * Stored the 1st byte of the filter code in reset mode.
+ */
+
+#define TWAI_ACCEPTANCE_CODE_1 0x000000FF
+#define TWAI_ACCEPTANCE_CODE_1_M (TWAI_ACCEPTANCE_CODE_1_V << TWAI_ACCEPTANCE_CODE_1_S)
+#define TWAI_ACCEPTANCE_CODE_1_V 0x000000FF
+#define TWAI_ACCEPTANCE_CODE_1_S 0
+
+/* TWAI_DATA_2_REG register
+ * Data register 2
+ */
+
+#define TWAI_DATA_2_REG (DR_REG_TWAI_BASE + 0x48)
+
+/* TWAI_TX_BYTE_2 : WO; bitpos: [7:0]; default: 0;
+ * Stored the 2nd byte information of the data to be transmitted under
+ * operating mode.
+ */
+
+#define TWAI_TX_BYTE_2 0x000000FF
+#define TWAI_TX_BYTE_2_M (TWAI_TX_BYTE_2_V << TWAI_TX_BYTE_2_S)
+#define TWAI_TX_BYTE_2_V 0x000000FF
+#define TWAI_TX_BYTE_2_S 0
+
+/* TWAI_ACCEPTANCE_CODE_2 : WO; bitpos: [7:0]; default: 0;
+ * Stored the 2nd byte of the filter code in reset mode.
+ */
+
+#define TWAI_ACCEPTANCE_CODE_2 0x000000FF
+#define TWAI_ACCEPTANCE_CODE_2_M (TWAI_ACCEPTANCE_CODE_2_V << TWAI_ACCEPTANCE_CODE_2_S)
+#define TWAI_ACCEPTANCE_CODE_2_V 0x000000FF
+#define TWAI_ACCEPTANCE_CODE_2_S 0
+
+/* TWAI_DATA_3_REG register
+ * Data register 3
+ */
+
+#define TWAI_DATA_3_REG (DR_REG_TWAI_BASE + 0x4c)
+
+/* TWAI_TX_BYTE_3 : WO; bitpos: [7:0]; default: 0;
+ * Stored the 3rd byte information of the data to be transmitted under
+ * operating mode.
+ */
+
+#define TWAI_TX_BYTE_3 0x000000FF
+#define TWAI_TX_BYTE_3_M (TWAI_TX_BYTE_3_V << TWAI_TX_BYTE_3_S)
+#define TWAI_TX_BYTE_3_V 0x000000FF
+#define TWAI_TX_BYTE_3_S 0
+
+/* TWAI_ACCEPTANCE_CODE_3 : WO; bitpos: [7:0]; default: 0;
+ * Stored the 3rd byte of the filter code in reset mode.
+ */
+
+#define TWAI_ACCEPTANCE_CODE_3 0x000000FF
+#define TWAI_ACCEPTANCE_CODE_3_M (TWAI_ACCEPTANCE_CODE_3_V << TWAI_ACCEPTANCE_CODE_3_S)
+#define TWAI_ACCEPTANCE_CODE_3_V 0x000000FF
+#define TWAI_ACCEPTANCE_CODE_3_S 0
+
+/* TWAI_DATA_4_REG register
+ * Data register 4
+ */
+
+#define TWAI_DATA_4_REG (DR_REG_TWAI_BASE + 0x50)
+
+/* TWAI_TX_BYTE_4 : WO; bitpos: [7:0]; default: 0;
+ * Stored the 4th byte information of the data to be transmitted under
+ * operating mode.
+ */
+
+#define TWAI_TX_BYTE_4 0x000000FF
+#define TWAI_TX_BYTE_4_M (TWAI_TX_BYTE_4_V << TWAI_TX_BYTE_4_S)
+#define TWAI_TX_BYTE_4_V 0x000000FF
+#define TWAI_TX_BYTE_4_S 0
+
+/* TWAI_ACCEPTANCE_MASK_0 : WO; bitpos: [7:0]; default: 0;
+ * Stored the 0th byte of the filter code in reset mode.
+ */
+
+#define TWAI_ACCEPTANCE_MASK_0 0x000000FF
+#define TWAI_ACCEPTANCE_MASK_0_M (TWAI_ACCEPTANCE_MASK_0_V << TWAI_ACCEPTANCE_MASK_0_S)
+#define TWAI_ACCEPTANCE_MASK_0_V 0x000000FF
+#define TWAI_ACCEPTANCE_MASK_0_S 0
+
+/* TWAI_DATA_5_REG register
+ * Data register 5
+ */
+
+#define TWAI_DATA_5_REG (DR_REG_TWAI_BASE + 0x54)
+
+/* TWAI_TX_BYTE_5 : WO; bitpos: [7:0]; default: 0;
+ * Stored the 5th byte information of the data to be transmitted under
+ * operating mode.
+ */
+
+#define TWAI_TX_BYTE_5 0x000000FF
+#define TWAI_TX_BYTE_5_M (TWAI_TX_BYTE_5_V << TWAI_TX_BYTE_5_S)
+#define TWAI_TX_BYTE_5_V 0x000000FF
+#define TWAI_TX_BYTE_5_S 0
+
+/* TWAI_ACCEPTANCE_MASK_1 : WO; bitpos: [7:0]; default: 0;
+ * Stored the 1st byte of the filter code in reset mode.
+ */
+
+#define TWAI_ACCEPTANCE_MASK_1 0x000000FF
+#define TWAI_ACCEPTANCE_MASK_1_M (TWAI_ACCEPTANCE_MASK_1_V << TWAI_ACCEPTANCE_MASK_1_S)
+#define TWAI_ACCEPTANCE_MASK_1_V 0x000000FF
+#define TWAI_ACCEPTANCE_MASK_1_S 0
+
+/* TWAI_DATA_6_REG register
+ * Data register 6
+ */
+
+#define TWAI_DATA_6_REG (DR_REG_TWAI_BASE + 0x58)
+
+/* TWAI_TX_BYTE_6 : WO; bitpos: [7:0]; default: 0;
+ * Stored the 6th byte information of the data to be transmitted under
+ * operating mode.
+ */
+
+#define TWAI_TX_BYTE_6 0x000000FF
+#define TWAI_TX_BYTE_6_M (TWAI_TX_BYTE_6_V << TWAI_TX_BYTE_6_S)
+#define TWAI_TX_BYTE_6_V 0x000000FF
+#define TWAI_TX_BYTE_6_S 0
+
+/* TWAI_ACCEPTANCE_MASK_2 : WO; bitpos: [7:0]; default: 0;
+ * Stored the 2nd byte of the filter code in reset mode.
+ */
+
+#define TWAI_ACCEPTANCE_MASK_2 0x000000FF
+#define TWAI_ACCEPTANCE_MASK_2_M (TWAI_ACCEPTANCE_MASK_2_V << TWAI_ACCEPTANCE_MASK_2_S)
+#define TWAI_ACCEPTANCE_MASK_2_V 0x000000FF
+#define TWAI_ACCEPTANCE_MASK_2_S 0
+
+/* TWAI_DATA_7_REG register
+ * Data register 7
+ */
+
+#define TWAI_DATA_7_REG (DR_REG_TWAI_BASE + 0x5c)
+
+/* TWAI_TX_BYTE_7 : WO; bitpos: [7:0]; default: 0;
+ * Stored the 7th byte information of the data to be transmitted under
+ * operating mode.
+ */
+
+#define TWAI_TX_BYTE_7 0x000000FF
+#define TWAI_TX_BYTE_7_M (TWAI_TX_BYTE_7_V << TWAI_TX_BYTE_7_S)
+#define TWAI_TX_BYTE_7_V 0x000000FF
+#define TWAI_TX_BYTE_7_S 0
+
+/* TWAI_ACCEPTANCE_MASK_3 : WO; bitpos: [7:0]; default: 0;
+ * Stored the 3th byte of the filter code in reset mode.
+ */
+
+#define TWAI_ACCEPTANCE_MASK_3 0x000000FF
+#define TWAI_ACCEPTANCE_MASK_3_M (TWAI_ACCEPTANCE_MASK_3_V << TWAI_ACCEPTANCE_MASK_3_S)
+#define TWAI_ACCEPTANCE_MASK_3_V 0x000000FF
+#define TWAI_ACCEPTANCE_MASK_3_S 0
+
+/* TWAI_DATA_8_REG register
+ * Data register 8
+ */
+
+#define TWAI_DATA_8_REG (DR_REG_TWAI_BASE + 0x60)
+
+/* TWAI_TX_BYTE_8 : WO; bitpos: [7:0]; default: 0;
+ * Stored the 8th byte information of the data to be transmitted under
+ * operating mode.
+ */
+
+#define TWAI_TX_BYTE_8 0x000000FF
+#define TWAI_TX_BYTE_8_M (TWAI_TX_BYTE_8_V << TWAI_TX_BYTE_8_S)
+#define TWAI_TX_BYTE_8_V 0x000000FF
+#define TWAI_TX_BYTE_8_S 0
+
+/* TWAI_DATA_9_REG register
+ * Data register 9
+ */
+
+#define TWAI_DATA_9_REG (DR_REG_TWAI_BASE + 0x64)
+
+/* TWAI_TX_BYTE_9 : WO; bitpos: [7:0]; default: 0;
+ * Stored the 9th byte information of the data to be transmitted under
+ * operating mode.
+ */
+
+#define TWAI_TX_BYTE_9 0x000000FF
+#define TWAI_TX_BYTE_9_M (TWAI_TX_BYTE_9_V << TWAI_TX_BYTE_9_S)
+#define TWAI_TX_BYTE_9_V 0x000000FF
+#define TWAI_TX_BYTE_9_S 0
+
+/* TWAI_DATA_10_REG register
+ * Data register 10
+ */
+
+#define TWAI_DATA_10_REG (DR_REG_TWAI_BASE + 0x68)
+
+/* TWAI_TX_BYTE_10 : WO; bitpos: [7:0]; default: 0;
+ * Stored the 10th byte information of the data to be transmitted under
+ * operating mode.
+ */
+
+#define TWAI_TX_BYTE_10 0x000000FF
+#define TWAI_TX_BYTE_10_M (TWAI_TX_BYTE_10_V << TWAI_TX_BYTE_10_S)
+#define TWAI_TX_BYTE_10_V 0x000000FF
+#define TWAI_TX_BYTE_10_S 0
+
+/* TWAI_DATA_11_REG register
+ * Data register 11
+ */
+
+#define TWAI_DATA_11_REG (DR_REG_TWAI_BASE + 0x6c)
+
+/* TWAI_TX_BYTE_11 : WO; bitpos: [7:0]; default: 0;
+ * Stored the 11th byte information of the data to be transmitted under
+ * operating mode.
+ */
+
+#define TWAI_TX_BYTE_11 0x000000FF
+#define TWAI_TX_BYTE_11_M (TWAI_TX_BYTE_11_V << TWAI_TX_BYTE_11_S)
+#define TWAI_TX_BYTE_11_V 0x000000FF
+#define TWAI_TX_BYTE_11_S 0
+
+/* TWAI_DATA_12_REG register
+ * Data register 12
+ */
+
+#define TWAI_DATA_12_REG (DR_REG_TWAI_BASE + 0x70)
+
+/* TWAI_TX_BYTE_12 : WO; bitpos: [7:0]; default: 0;
+ * Stored the 12th byte information of the data to be transmitted under
+ * operating mode.
+ */
+
+#define TWAI_TX_BYTE_12 0x000000FF
+#define TWAI_TX_BYTE_12_M (TWAI_TX_BYTE_12_V << TWAI_TX_BYTE_12_S)
+#define TWAI_TX_BYTE_12_V 0x000000FF
+#define TWAI_TX_BYTE_12_S 0
+
+/* TWAI_RX_MESSAGE_CNT_REG register
+ * Receive Message Counter Register
+ */
+
+#define TWAI_RX_MESSAGE_CNT_REG (DR_REG_TWAI_BASE + 0x74)
+
+/* TWAI_RX_MESSAGE_COUNTER : RO; bitpos: [6:0]; default: 0;
+ * This register reflects the number of messages available within the RX
+ * FIFO.
+ */
+
+#define TWAI_RX_MESSAGE_COUNTER 0x0000007F
+#define TWAI_RX_MESSAGE_COUNTER_M (TWAI_RX_MESSAGE_COUNTER_V << TWAI_RX_MESSAGE_COUNTER_S)
+#define TWAI_RX_MESSAGE_COUNTER_V 0x0000007F
+#define TWAI_RX_MESSAGE_COUNTER_S 0
+
+/* TWAI_CLOCK_DIVIDER_REG register
+ * Clock Divider register
+ */
+
+#define TWAI_CLOCK_DIVIDER_REG (DR_REG_TWAI_BASE + 0x7c)
+
+/* TWAI_CLOCK_OFF : RO | R/W; bitpos: [8]; default: 0;
+ * This bit can be configured under reset mode. 1: Disable the external
+ * CLKOUT pin; 0: Enable the external CLKOUT pin
+ */
+
+#define TWAI_CLOCK_OFF (BIT(8))
+#define TWAI_CLOCK_OFF_M (TWAI_CLOCK_OFF_V << TWAI_CLOCK_OFF_S)
+#define TWAI_CLOCK_OFF_V 0x00000001
+#define TWAI_CLOCK_OFF_S 8
+
+/* TWAI_CD : R/W; bitpos: [7:0]; default: 0;
+ * These bits are used to configure frequency dividing coefficients of the
+ * external CLKOUT pin.
+ */
+
+#define TWAI_CD 0x000000FF
+#define TWAI_CD_M (TWAI_CD_V << TWAI_CD_S)
+#define TWAI_CD_V 0x000000FF
+#define TWAI_CD_S 0
+
+#endif /* __ARCH_RISCV_SRC_ESP32C3_HARDWARE_ESP32C3_TWAI_H */