incubator-nuttx/drivers/ioexpander/iso1h812g.h

58 lines
2.1 KiB
C

/****************************************************************************
* drivers/ioexpander/iso1h812g.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 __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 */