arch/riscv/esp32c3: ESP32C3 TWAI (CAN) controller driver.

Signed-off-by: Jan Charvat <jancharvat.charvat@gmail.com>
This commit is contained in:
Jan Charvat 2022-04-06 12:10:45 +02:00 committed by Xiang Xiao
parent 0fa1541a80
commit e28584131d
2 changed files with 1329 additions and 0 deletions

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/****************************************************************************
* arch/risc-v/src/esp32c3/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_ESP32C3_TWAI_H
#define __ARCH_RISCV_SRC_ESP32C3_ESP32C3_TWAI_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include "hardware/esp32c3_twai.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Public Types
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
#ifndef __ASSEMBLY__
#ifdef __cplusplus
extern "C"
{
#endif
/****************************************************************************
* Public Functions Prototypes
****************************************************************************/
/****************************************************************************
* Name: esp32c3_twaiinitialize
*
* Description:
* Initialize the selected CAN port
*
* Input Parameters:
* Port number (for hardware that has multiple TWAI interfaces)
*
* Returned Value:
* Valid TWAI device structure reference on success; a NULL on failure
*
****************************************************************************/
#if defined(CONFIG_CAN) && defined(CONFIG_ESP32C3_TWAI)
struct can_dev_s;
struct can_dev_s *esp32c3_twaiinitialize(int port);
#endif
#ifdef __cplusplus
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __ARCH_RISCV_SRC_ESP32C3_ESP32C3_TWAI_H */