incubator-nuttx/arch/arm/include/samd2l2/sam_adc.h

47 lines
1.9 KiB
C

/****************************************************************************
* arch/arm/include/samd2l2/sam_adc.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 __ARCH_ARM_SRC_SAMD2L2_SAM_ADC_H
#define __ARCH_ARM_SRC_SAMD2L2_SAM_ADC_H
/****************************************************************************
* Pre-processor Prototypes
****************************************************************************/
/* 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 */