106 lines
3.5 KiB
C
106 lines
3.5 KiB
C
/****************************************************************************
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* boards/arm/cxd56xx/spresense/include/cxd56_ak09912.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 __BOARDS_ARM_CXD56XX_SPRESENSE_INCLUDE_CXD56_AK09912_H
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#define __BOARDS_ARM_CXD56XX_SPRESENSE_INCLUDE_CXD56_AK09912_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/i2c/i2c_master.h>
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#ifndef __ASSEMBLY__
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: board_ak09912_initialize
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*
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* Description:
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* Initialize AK09912 i2c driver and register the AK09912 device.
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*
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****************************************************************************/
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#if defined (CONFIG_SENSORS_AK09912) || defined (CONFIG_SENSORS_AK09912_SCU)
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int board_ak09912_initialize(const char *devpath, int bus);
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#endif
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#ifdef CONFIG_SENSORS_AK09912_SCU
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/****************************************************************************
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* Name: ak09912_init
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*
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* Description:
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* Initialize AK09912 magnetometer device
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*
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* Input Parameters:
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* i2c - An instance of the I2C interface to use to communicate with
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* AK09912
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* port - I2C port number
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno value on failure.
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*
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****************************************************************************/
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int ak09912_init(struct i2c_master_s *i2c, int port);
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/****************************************************************************
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* Name: ak09912_scu_register
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*
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* Description:
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* Register the AK09912 character device as 'devpath'
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*
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* Input Parameters:
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* devpath - The full path to the driver to register. E.g., "/dev/mag0"
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* minor - The number of sequencer
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* i2c - An instance of the I2C interface to use to communicate with
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* AK09912
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* port - I2C port number
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno value on failure.
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*
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****************************************************************************/
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int ak09912_scu_register(const char *devpath, int minor,
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struct i2c_master_s *i2c, int port);
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#endif /* CONFIG_SENSORS_AK09912_SCU */
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __BOARDS_ARM_CXD56XX_SPRESENSE_INCLUDE_CXD56_AK09912_H */
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