nuttx/boards/xtensa/esp32/common/include/esp32_ht16k33.h

85 lines
3.1 KiB
C

/****************************************************************************
* boards/xtensa/esp32/common/include/esp32_ht16k33.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_BOARD_HT16K33_H
#define __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_BOARD_HT16K33_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Type Definitions
****************************************************************************/
/****************************************************************************
* Public Types
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Inline Functions
****************************************************************************/
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: board_ht16k33_initialize
*
* Description:
* Initialize and register the HT16K32 LED Display.
*
* Input Parameters:
* devno - The device number, used to build the device path as /dev/slcdN
* busno - The I2C bus number
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
int board_ht16k33_initialize(int devno, int busno);
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_BOARD_HT16K33_H */