/**************************************************************************** * 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 /**************************************************************************** * 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 HT16K33 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 */