69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
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/****************************************************************************
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* boards/xtensa/esp32/common/include/esp32_board_i2c.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_BOARD_I2C_H
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#define __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_BOARD_I2C_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#ifndef __ASSEMBLY__
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifdef CONFIG_I2C_DRIVER
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/****************************************************************************
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* Name: esp32_i2c_register
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*
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* Description:
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* registar an ESP32 I2C interface.
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*
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* Returned Value:
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* Zero (OK) is returned on success; A negated errno value is returned
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* to indicate the nature of any failure.
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*
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****************************************************************************/
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int esp32_i2c_register(int bus);
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#endif /* CONFIG_I2C_DRIVER */
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_BOARD_I2C_H */
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