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_ */