fa63ef69c9
This commit adds support for galvanic isolated ISO1H812G SPI expander. Both single pin and multiple pin writes are supported. Signed-off-by: Michal Lenc <michallenc@seznam.cz>
58 lines
2.1 KiB
C
58 lines
2.1 KiB
C
/****************************************************************************
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* drivers/ioexpander/iso1h812g.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 __DRIVERS_IOEXPANDER_ISO1H812G_H
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#define __DRIVERS_IOEXPANDER_ISO1H812G_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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#include <nuttx/mutex.h>
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#if defined(CONFIG_IOEXPANDER) && defined(CONFIG_IOEXPANDER_ISO1H812G)
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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/* Prerequisites:
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* CONFIG_SPI
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* SPI support is required
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* CONFIG_IOEXPANDER
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* Enables I/O expander support
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*
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* CONFIG_IOEXPANDER_ISO1H812G
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* Enables support for the ISO1H812G driver (Needs CONFIG_INPUT)
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* CONFIG_ISO1H812G_MULTIPLE
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* Can be defined to support multiple ISO1H812G devices on board.
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*/
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#ifndef CONFIG_SPI
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# error "CONFIG_SPI is required by ISO1H812G"
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#endif
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#endif /* CONFIG_IOEXPANDER && CONFIG_IOEXPANDER_ISO1H812G */
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#endif /* __DRIVERS_IOEXPANDER_ISO1H812G_H */
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