/* * 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 #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 /** * @brief STM32 ADC configuration bit field. * * - reg (0..0xFF) [ 0 : 7 ] * - shift (0..31) [ 8 : 12 ] * - mask (0x1, 0x3, 0x7) [ 13 : 15 ] * - reg_val (0..7) [ 16 : 18 ] * - real_val (0..8191) [ 19 : 31 ] * * @param reg ADC_x register offset * @param shift Position within ADC_x. * @param mask Mask for the ADC_x field. * @param reg_val Register value (0, 1, ... 7). * @param real_val Real corresponding value (0, 1, ... 8191). */ #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) #endif /* ZEPHYR_INCLUDE_DT_BINDINGS_STM32_ADC_H_ */