Line data    Source code

       1            0 : /*
       2              :  * Copyright 2021 Google LLC
       3              :  *
       4              :  * SPDX-License-Identifier: Apache-2.0
       5              :  */
       6              : #ifndef ZEPHYR_INCLUDE_DT_BINDINGS_ADC_ADC_H_
       7              : #define ZEPHYR_INCLUDE_DT_BINDINGS_ADC_ADC_H_
       8              : 
       9              : #include <zephyr/dt-bindings/dt-util.h>
      10              : 
      11              : /** Acquisition time is expressed in microseconds. */
      12            1 : #define ADC_ACQ_TIME_MICROSECONDS  (1)
      13              : /** Acquisition time is expressed in nanoseconds. */
      14            1 : #define ADC_ACQ_TIME_NANOSECONDS   (2)
      15              : /** Acquisition time is expressed in ADC ticks. */
      16            1 : #define ADC_ACQ_TIME_TICKS         (3)
      17              : /** Macro for composing the acquisition time value in given units. */
      18            1 : #define ADC_ACQ_TIME(unit, value)  (((unit) << 14) | ((value) & BIT_MASK(14)))
      19              : /** Value indicating that the default acquisition time should be used. */
      20            1 : #define ADC_ACQ_TIME_DEFAULT       0
      21            0 : #define ADC_ACQ_TIME_MAX           BIT_MASK(14)
      22              : 
      23            0 : #define ADC_ACQ_TIME_UNIT(time)    (((time) >> 14) & BIT_MASK(2))
      24            0 : #define ADC_ACQ_TIME_VALUE(time)   ((time) & BIT_MASK(14))
      25              : 
      26              : #endif /* ZEPHYR_INCLUDE_DT_BINDINGS_ADC_ADC_H_ */