e0cef411e1
This commit adds microcontroller support for Analog Front End driver to samv7 MCUs. Only software trigger via IOCTL is currently supported, averaging can be set by configuration option CONFIG_SAMV7_AFECn_RES. Signed-off-by: Michal Lenc <michallenc@seznam.cz>
92 lines
3.0 KiB
C
92 lines
3.0 KiB
C
/****************************************************************************
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* arch/arm/src/samv7/sam_afec.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 __ARCH_ARM_SRC_SAMV7_SAM_AFEC_H
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#define __ARCH_ARM_SRC_SAMV7_SAM_AFEC_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 "chip.h"
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#include "hardware/sam_afec.h"
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#if defined(CONFIG_ADC) && (defined(CONFIG_SAMV7_AFEC0) || \
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defined(CONFIG_SAMV7_AFEC1))
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Port numbers for use with sam_mcan_initialize() */
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#define AFEC0 0
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#define AFEC1 1
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/****************************************************************************
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* Public Types
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****************************************************************************/
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#ifndef __ASSEMBLY__
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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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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* Name: sam_afec_initialize
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*
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* Description:
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* Initialize the adc
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*
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* Input Parameters:
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* intf - ADC number (1 or 2)
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* chanlist - The list of channels
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* nchannels - Number of channels
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*
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* Returned Value:
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* Valid can device structure reference on success; a NULL on failure
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*
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****************************************************************************/
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FAR struct adc_dev_s *sam_afec_initialize(int intf,
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FAR const uint8_t *chanlist,
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int nchannels);
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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 /* CONFIG_ADC && (CONFIG_SAMV7_AFEC0 || CONFIG_SAMV7_AFEC1) */
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#endif /* __ARCH_ARM_SRC_SAMV7_SAM_AFEC_H */
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