70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
/****************************************************************************
|
|
* boards/xtensa/esp32/common/include/esp32_board_i2c.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 __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_ESP32_BOARD_I2C_H
|
|
#define __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_ESP32_BOARD_I2C_H
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
#undef EXTERN
|
|
#if defined(__cplusplus)
|
|
#define EXTERN extern "C"
|
|
extern "C"
|
|
{
|
|
#else
|
|
#define EXTERN extern
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Public Function Prototypes
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_I2C_DRIVER
|
|
|
|
/****************************************************************************
|
|
* Name: esp32_i2c_register
|
|
*
|
|
* Description:
|
|
* registar an ESP32 I2C interface.
|
|
*
|
|
* Returned Value:
|
|
* Zero (OK) is returned on success; A negated errno value is returned
|
|
* to indicate the nature of any failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
int esp32_i2c_register(int bus);
|
|
|
|
#endif /* CONFIG_I2C_DRIVER */
|
|
|
|
#undef EXTERN
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
#endif /* __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_ESP32_BOARD_I2C_H */
|