dac.h

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/*
 * Copyright (C) 2014 Simon Brummer
 *               2015-2016 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.
 */
 
#ifndef PERIPH_DAC_H
#define PERIPH_DAC_H
 
#include <stdint.h>
#include <limits.h>
 
#include "periph_cpu.h"
#include "periph_conf.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#ifndef HAVE_DAC_T
typedef uint_fast8_t dac_t;
#endif
 
enum {
    DAC_OK     = 0,
    DAC_NOLINE = -1
};
 
#ifndef DAC_UNDEF
#define DAC_UNDEF           (UINT_FAST8_MAX)
#endif
 
#ifndef DAC_LINE
#define DAC_LINE(x)         (x)
#endif
 
int8_t dac_init(dac_t line);
 
void dac_set(dac_t line, uint16_t value);
 
void dac_poweron(dac_t line);
 
void dac_poweroff(dac_t line);
 
#ifdef __cplusplus
}
#endif
 
#endif /* PERIPH_DAC_H */