1 /* 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 #define ADC_ACQ_TIME_MICROSECONDS (1) 13 /** Acquisition time is expressed in nanoseconds. */ 14 #define ADC_ACQ_TIME_NANOSECONDS (2) 15 /** Acquisition time is expressed in ADC ticks. */ 16 #define ADC_ACQ_TIME_TICKS (3) 17 /** Macro for composing the acquisition time value in given units. */ 18 #define ADC_ACQ_TIME(unit, value) (((unit) << 14) | ((value) & BIT_MASK(14))) 19 /** Value indicating that the default acquisition time should be used. */ 20 #define ADC_ACQ_TIME_DEFAULT 0 21 #define ADC_ACQ_TIME_MAX BIT_MASK(14) 22 23 #define ADC_ACQ_TIME_UNIT(time) (((time) >> 14) & BIT_MASK(2)) 24 #define ADC_ACQ_TIME_VALUE(time) ((time) & BIT_MASK(14)) 25 26 #endif /* ZEPHYR_INCLUDE_DT_BINDINGS_ADC_ADC_H_ */ 27
