| /**************************************************************************** |
| * drivers/ioexpander/iso1h812g.h |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| * |
| * 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 __DRIVERS_IOEXPANDER_ISO1H812G_H |
| #define __DRIVERS_IOEXPANDER_ISO1H812G_H |
| |
| /**************************************************************************** |
| * Included Files |
| ****************************************************************************/ |
| |
| #include <nuttx/config.h> |
| |
| #include <nuttx/mutex.h> |
| |
| #if defined(CONFIG_IOEXPANDER) && defined(CONFIG_IOEXPANDER_ISO1H812G) |
| |
| /**************************************************************************** |
| * Pre-processor Definitions |
| ****************************************************************************/ |
| |
| /* Configuration ************************************************************/ |
| |
| /* Prerequisites: |
| * CONFIG_SPI |
| * SPI support is required |
| * CONFIG_IOEXPANDER |
| * Enables I/O expander support |
| * |
| * CONFIG_IOEXPANDER_ISO1H812G |
| * Enables support for the ISO1H812G driver (Needs CONFIG_INPUT) |
| * CONFIG_ISO1H812G_MULTIPLE |
| * Can be defined to support multiple ISO1H812G devices on board. |
| */ |
| |
| #ifndef CONFIG_SPI |
| # error "CONFIG_SPI is required by ISO1H812G" |
| #endif |
| |
| #endif /* CONFIG_IOEXPANDER && CONFIG_IOEXPANDER_ISO1H812G */ |
| #endif /* __DRIVERS_IOEXPANDER_ISO1H812G_H */ |