Zephyr API Documentation
4.0.0-rc2
A Scalable Open Source RTOS
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stm32f1-pinctrl.h
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/*
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* Copyright (c) 2017 Linaro Limited
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_STM32_PINCTRLF1_H_
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#define ZEPHYR_STM32_PINCTRLF1_H_
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#include <
zephyr/dt-bindings/pinctrl/stm32-pinctrl-common.h
>
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#include <
zephyr/dt-bindings/pinctrl/stm32f1-afio.h
>
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/* Adapted from Linux: include/dt-bindings/pinctrl/stm32-pinfunc.h */
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#define STM32_MODE_SHIFT 0U
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#define STM32_MODE_MASK 0x3U
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#define STM32_LINE_SHIFT 2U
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#define STM32_LINE_MASK 0xFU
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#define STM32_PORT_SHIFT 6U
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#define STM32_PORT_MASK 0xFU
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#define STM32_REMAP_SHIFT 10U
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#define STM32_REMAP_MASK 0x3FFU
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#define STM32F1_PINMUX(port, line, mode, remap) \
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(((((port) - 'A') & STM32_PORT_MASK) << STM32_PORT_SHIFT) | \
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(((line) & STM32_LINE_MASK) << STM32_LINE_SHIFT) | \
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(((mode) & STM32_MODE_MASK) << STM32_MODE_SHIFT) | \
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(((remap) & STM32_REMAP_MASK) << STM32_REMAP_SHIFT))
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#define ALTERNATE 0x0
/* Alternate function output */
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#define GPIO_IN 0x1
/* Input */
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#define ANALOG 0x2
/* Analog */
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#define GPIO_OUT 0x3
/* Output */
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/* Port Mode */
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#define STM32_MODE_INPUT (0x0 << STM32_MODE_INOUT_SHIFT)
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#define STM32_MODE_OUTPUT (0x1 << STM32_MODE_INOUT_SHIFT)
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#define STM32_MODE_INOUT_MASK 0x1
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#define STM32_MODE_INOUT_SHIFT 0
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/* Input Port configuration */
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#define STM32_CNF_IN_ANALOG (0x0 << STM32_CNF_IN_SHIFT)
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#define STM32_CNF_IN_FLOAT (0x1 << STM32_CNF_IN_SHIFT)
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#define STM32_CNF_IN_PUPD (0x2 << STM32_CNF_IN_SHIFT)
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#define STM32_CNF_IN_MASK 0x3
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#define STM32_CNF_IN_SHIFT 1
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/* Output Port configuration */
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#define STM32_MODE_OUTPUT_MAX_10 (0x0 << STM32_MODE_OSPEED_SHIFT)
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#define STM32_MODE_OUTPUT_MAX_2 (0x1 << STM32_MODE_OSPEED_SHIFT)
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#define STM32_MODE_OUTPUT_MAX_50 (0x2 << STM32_MODE_OSPEED_SHIFT)
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#define STM32_MODE_OSPEED_MASK 0x3
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#define STM32_MODE_OSPEED_SHIFT 3
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#define STM32_CNF_PUSH_PULL (0x0 << STM32_CNF_OUT_0_SHIFT)
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#define STM32_CNF_OPEN_DRAIN (0x1 << STM32_CNF_OUT_0_SHIFT)
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#define STM32_CNF_OUT_0_MASK 0x1
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#define STM32_CNF_OUT_0_SHIFT 5
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#define STM32_CNF_GP_OUTPUT (0x0 << STM32_CNF_OUT_1_SHIFT)
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#define STM32_CNF_ALT_FUNC (0x1 << STM32_CNF_OUT_1_SHIFT)
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#define STM32_CNF_OUT_1_MASK 0x1
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#define STM32_CNF_OUT_1_SHIFT 6
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/* GPIO High impedance/Pull-up/Pull-down */
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#define STM32_PUPD_NO_PULL (0x0 << STM32_PUPD_SHIFT)
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#define STM32_PUPD_PULL_UP (0x1 << STM32_PUPD_SHIFT)
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#define STM32_PUPD_PULL_DOWN (0x2 << STM32_PUPD_SHIFT)
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#define STM32_PUPD_MASK 0x3
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#define STM32_PUPD_SHIFT 7
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/* GPIO plain output value */
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#define STM32_ODR_0 (0x0 << STM32_ODR_SHIFT)
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#define STM32_ODR_1 (0x1 << STM32_ODR_SHIFT)
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#define STM32_ODR_MASK 0x1
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#define STM32_ODR_SHIFT 9
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#endif
/* ZEPHYR_STM32_PINCTRLF1_H_ */
stm32-pinctrl-common.h
stm32f1-afio.h
zephyr
dt-bindings
pinctrl
stm32f1-pinctrl.h
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