stm32_adc.h

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/*
 * Copyright (c) 2023 STMicrelectronics
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_STM32_ADC_H_
#define ZEPHYR_INCLUDE_DT_BINDINGS_STM32_ADC_H_
 
#include <zephyr/dt-bindings/adc/adc.h>
 
#define STM32_ADC_REG_MASK              BIT_MASK(8)
#define STM32_ADC_REG_SHIFT             0U
#define STM32_ADC_SHIFT_MASK            BIT_MASK(5)
#define STM32_ADC_SHIFT_SHIFT           8U
#define STM32_ADC_MASK_MASK             BIT_MASK(3)
#define STM32_ADC_MASK_SHIFT            13U
#define STM32_ADC_REG_VAL_MASK          BIT_MASK(3)
#define STM32_ADC_REG_VAL_SHIFT         16U
#define STM32_ADC_REAL_VAL_MASK         BIT_MASK(13)
#define STM32_ADC_REAL_VAL_SHIFT        19U
 
#define STM32_ADC(real_val, reg_val, mask, shift, reg)                          \
        ((((reg) & STM32_ADC_REG_MASK) << STM32_ADC_REG_SHIFT) |                \
         (((shift) & STM32_ADC_SHIFT_MASK) << STM32_ADC_SHIFT_SHIFT) |          \
         (((mask) & STM32_ADC_MASK_MASK) << STM32_ADC_MASK_SHIFT) |             \
         (((reg_val) & STM32_ADC_REG_VAL_MASK) << STM32_ADC_REG_VAL_SHIFT) |    \
         (((real_val) & STM32_ADC_REAL_VAL_MASK) << STM32_ADC_REAL_VAL_SHIFT))
 
#define STM32_ADC_GET_REAL_VAL(val)     \
        (((val) >> STM32_ADC_REAL_VAL_SHIFT) & STM32_ADC_REAL_VAL_MASK)
 
#define STM32_ADC_GET_REG_VAL(val)      \
        (((val) >> STM32_ADC_REG_VAL_SHIFT) & STM32_ADC_REG_VAL_MASK)
 
#define STM32_ADC_GET_MASK(val)         \
        (((val) >> STM32_ADC_MASK_SHIFT) & STM32_ADC_MASK_MASK)
 
#define STM32_ADC_GET_SHIFT(val)        \
        (((val) >> STM32_ADC_SHIFT_SHIFT) & STM32_ADC_SHIFT_MASK)
 
#define STM32_ADC_GET_REG(val)          \
        (((val) >> STM32_ADC_REG_SHIFT) & STM32_ADC_REG_MASK)
 
/*
 * Macro used to store resolution info. STM32_ADC_RES_* macros are defined in
 * respective stm32xx_adc.h files
 */
#define STM32_ADC_RES(resolution, reg_val)      \
        STM32_ADC(resolution, reg_val, STM32_ADC_RES_MASK, STM32_ADC_RES_SHIFT, \
                  STM32_ADC_RES_REG)
 
#define SYNC  1
#define ASYNC 2
#define NOT_FULLY_CONFIGURABLE  0
#define FULLY_CONFIGURABLE      1
#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_STM32_ADC_H_ */