stm32h7_adc.h

Go to the documentation of this file.

/*
 * Copyright (c) 2023 STMicrelectronics
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_STM32H7_ADC_H_
#define ZEPHYR_INCLUDE_DT_BINDINGS_STM32H7_ADC_H_
 
#include <zephyr/dt-bindings/adc/stm32_adc.h>
 
/* STM32 ADC resolution register for H7 and similar */
#define STM32_ADC_RES_REG       0x0C
#define STM32_ADC_RES_SHIFT     2
#define STM32_ADC_RES_MASK      BIT_MASK(3)
 
/*
 * For STM32H72x & H73x, ADC3 is different and has a 12 to 6-bit resolution.
 * The offset and the width of the resolution field need to be redefined.
 */
#define STM32H72X_ADC3_RES_SHIFT        3
#define STM32H72X_ADC3_RES_MASK         0x03
 
#define STM32H72X_ADC3_RES(resolution, reg_val) \
        STM32_ADC(resolution, reg_val, STM32H72X_ADC3_RES_MASK, \
                  STM32H72X_ADC3_RES_SHIFT, STM32_ADC_RES_REG)
 
#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_STM32H7_ADC_H_ */