adc.h

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/*
 * Copyright (C) 2014-2015 Freie Universität Berlin
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#pragma once

 
#include <limits.h>
#include <stdint.h>
 
#include "periph_cpu.h"
#include "periph_conf.h"
 
#ifdef __cplusplus
extern "C" {
#endif

#ifndef HAVE_ADC_T
typedef uint_fast8_t adc_t;
#endif

#ifndef ADC_UNDEF
#define ADC_UNDEF           (UINT_FAST8_MAX)
#endif

#ifndef ADC_LINE
#define ADC_LINE(x)          (x)
#endif

#ifndef HAVE_ADC_RES_T
typedef enum {
    ADC_RES_6BIT = 0,       
    ADC_RES_8BIT,           
    ADC_RES_10BIT,          
    ADC_RES_12BIT,          
    ADC_RES_14BIT,          
    ADC_RES_16BIT,          
} adc_res_t;
#endif

int adc_init(adc_t line);

int32_t adc_sample(adc_t line, adc_res_t res);

void adc_continuous_begin(adc_res_t res);

int32_t adc_continuous_sample(adc_t line);

void adc_continuous_stop(void);
 
#ifdef __cplusplus
}
#endif