Zephyr Project API 3.7.0
A Scalable Open Source RTOS
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stm32h7_adc.h
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1/*
2 * Copyright (c) 2023 STMicrelectronics
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_STM32H7_ADC_H_
7#define ZEPHYR_INCLUDE_DT_BINDINGS_STM32H7_ADC_H_
8
10
11/* STM32 ADC resolution register for H7 and similar */
12#define STM32_ADC_RES_REG 0x0C
13#define STM32_ADC_RES_SHIFT 2
14#define STM32_ADC_RES_MASK BIT_MASK(3)
15
16/*
17 * For STM32H72x & H73x, ADC3 is different and has a 12 to 6-bit resolution.
18 * The offset and the width of the resolution field need to be redefined.
19 */
20#define STM32H72X_ADC3_RES_SHIFT 3
21#define STM32H72X_ADC3_RES_MASK 0x03
22
23#define STM32H72X_ADC3_RES(resolution, reg_val) \
24 STM32_ADC(resolution, reg_val, STM32H72X_ADC3_RES_MASK, \
25 STM32H72X_ADC3_RES_SHIFT, STM32_ADC_RES_REG)
26
27#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_STM32H7_ADC_H_ */