62 lines
2.7 KiB
C
62 lines
2.7 KiB
C
/************************************************************************************
|
|
* arch/arm/include/samd2l2/sam_adc.h
|
|
*
|
|
* Copyright (C) 2019 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* 3. Neither the name NuttX nor the names of its contributors may be
|
|
* used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
************************************************************************************/
|
|
|
|
#ifndef __ARCH_ARM_SRC_SAMD2L2_SAM_ADC_H
|
|
#define __ARCH_ARM_SRC_SAMD2L2_SAM_ADC_H
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
/* IOCTL definitions */
|
|
|
|
#define SAMD_ADC_IOCTL_START 0 /* start adc conversion */
|
|
#define SAMD_ADC_IOCTL_STOP 1 /* stop adc conversion */
|
|
#define SAMD_ADC_IOCTL_SET_PARAMS 2 /* set parameters when adc is stopped */
|
|
#define SAMD_ADC_IOCTL_GET_PARAMS 3 /* get parameters */
|
|
|
|
/****************************************************************************
|
|
* Public Types
|
|
****************************************************************************/
|
|
|
|
struct sam_adc_param_s
|
|
{
|
|
uint8_t samplen; /* sampling time length */
|
|
uint8_t prescaler; /* prescaler configuration */
|
|
uint8_t averaging; /* number of samples to be collected */
|
|
};
|
|
|
|
#endif /* __ARCH_ARM_SRC_SAMD2L2_SAM_ADC_H */
|