79 lines
2.9 KiB
C
79 lines
2.9 KiB
C
/****************************************************************************
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* apps/examples/adc/adc.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 __APPS_EXAMPLES_ADC_ADC_H
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#define __APPS_EXAMPLES_ADC_ADC_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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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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/* CONFIG_NSH_BUILTIN_APPS - Build the ADC test as an NSH built-in function.
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* Default: Built as a standalone program
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* CONFIG_EXAMPLES_ADC_DEVPATH - The default path to the ADC device.
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* Default: /dev/adc0
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* CONFIG_EXAMPLES_ADC_NSAMPLES - This number of samples is
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* collected and the program terminates. Default: Samples are collected
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* indefinitely.
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* CONFIG_EXAMPLES_ADC_GROUPSIZE - The number of samples to read at once.
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* Default: 4
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*/
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#ifndef CONFIG_ADC
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# error "ADC device support is not enabled (CONFIG_ADC)"
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#endif
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#ifndef CONFIG_EXAMPLES_ADC_DEVPATH
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# define CONFIG_EXAMPLES_ADC_DEVPATH "/dev/adc0"
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#endif
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#ifndef CONFIG_EXAMPLES_ADC_GROUPSIZE
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# define CONFIG_EXAMPLES_ADC_GROUPSIZE 4
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#endif
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/****************************************************************************
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* Public Types
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****************************************************************************/
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struct adc_state_s
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{
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bool initialized;
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FAR char *devpath;
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int count;
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};
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#endif /* __APPS_EXAMPLES_ADC_ADC_H */
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