97 lines
3.3 KiB
C
97 lines
3.3 KiB
C
/****************************************************************************
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* arch/arm/include/cxd56xx/adc.h
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*
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* Copyright 2018 Sony Semiconductor Solutions Corporation
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name of Sony Semiconductor Solutions Corporation nor
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* the names of its contributors may be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __ARCH_ARM_INCLUDE_CXD56XX_ADC_H
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#define __ARCH_ARM_INCLUDE_CXD56XX_ADC_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <stdint.h>
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#include <stdbool.h>
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#include <nuttx/analog/ioctl.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define ANIOC_USER (AN_FIRST + AN_NCMDS)
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/* Start sampling
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*
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* param None
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* return ioctl return value provides success/failure indication
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*/
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#define ANIOC_CXD56_START _ANIOC(ANIOC_USER + 0)
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/* Stop sampling
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*
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* param None
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* return ioctl return value provides success/failure indication
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*/
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#define ANIOC_CXD56_STOP _ANIOC(ANIOC_USER + 1)
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/* Set sampling frequency
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*
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* param None
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* return ioctl return value provides success/failure indication
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*/
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#define ANIOC_CXD56_FREQ _ANIOC(ANIOC_USER + 2)
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/* Set fifo size
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*
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* param None
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* return ioctl return value provides success/failure indication
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*/
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#define ANIOC_CXD56_FIFOSIZE _ANIOC(ANIOC_USER + 3)
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/* Initialize valid ADC channels
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*
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* return OK(0) is success. negative value is failure.
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*/
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int cxd56_adcinitialize(void);
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#endif /* __ARCH_ARM_INCLUDE_CXD56XX_ADC_H */
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