| /* |
| * Copyright (c) 2016 Open-RnD Sp. z o.o. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #ifndef _STM32_GPIO_H_ |
| #define _STM32_GPIO_H_ |
| |
| /** |
| * @file header for STM32 GPIO |
| */ |
| |
| #include <clock_control/stm32_clock_control.h> |
| #include <pinmux/stm32/pinmux_stm32.h> |
| #include <gpio.h> |
| |
| |
| /* GPIO buses definitions */ |
| #ifdef CONFIG_SOC_SERIES_STM32F1X |
| #define STM32_CLOCK_BUS_GPIO STM32_CLOCK_BUS_APB2 |
| #define STM32_PERIPH_GPIOA LL_APB2_GRP1_PERIPH_GPIOA |
| #define STM32_PERIPH_GPIOB LL_APB2_GRP1_PERIPH_GPIOB |
| #define STM32_PERIPH_GPIOC LL_APB2_GRP1_PERIPH_GPIOC |
| #define STM32_PERIPH_GPIOD LL_APB2_GRP1_PERIPH_GPIOD |
| #define STM32_PERIPH_GPIOE LL_APB2_GRP1_PERIPH_GPIOE |
| #define STM32_PERIPH_GPIOF LL_APB2_GRP1_PERIPH_GPIOF |
| #define STM32_PERIPH_GPIOG LL_APB2_GRP1_PERIPH_GPIOG |
| #elif defined(CONFIG_SOC_SERIES_STM32F3X) || defined(CONFIG_SOC_SERIES_STM32F4X) |
| #define STM32_CLOCK_BUS_GPIO STM32_CLOCK_BUS_AHB1 |
| #define STM32_PERIPH_GPIOA LL_AHB1_GRP1_PERIPH_GPIOA |
| #define STM32_PERIPH_GPIOB LL_AHB1_GRP1_PERIPH_GPIOB |
| #define STM32_PERIPH_GPIOC LL_AHB1_GRP1_PERIPH_GPIOC |
| #define STM32_PERIPH_GPIOD LL_AHB1_GRP1_PERIPH_GPIOD |
| #define STM32_PERIPH_GPIOE LL_AHB1_GRP1_PERIPH_GPIOE |
| #define STM32_PERIPH_GPIOF LL_AHB1_GRP1_PERIPH_GPIOF |
| #define STM32_PERIPH_GPIOG LL_AHB1_GRP1_PERIPH_GPIOG |
| #define STM32_PERIPH_GPIOH LL_AHB1_GRP1_PERIPH_GPIOH |
| #elif CONFIG_SOC_SERIES_STM32L4X |
| #define STM32_CLOCK_BUS_GPIO STM32_CLOCK_BUS_AHB2 |
| #define STM32_PERIPH_GPIOA LL_AHB2_GRP1_PERIPH_GPIOA |
| #define STM32_PERIPH_GPIOB LL_AHB2_GRP1_PERIPH_GPIOB |
| #define STM32_PERIPH_GPIOC LL_AHB2_GRP1_PERIPH_GPIOC |
| #define STM32_PERIPH_GPIOD LL_AHB2_GRP1_PERIPH_GPIOD |
| #define STM32_PERIPH_GPIOE LL_AHB2_GRP1_PERIPH_GPIOE |
| #define STM32_PERIPH_GPIOF LL_AHB2_GRP1_PERIPH_GPIOF |
| #define STM32_PERIPH_GPIOG LL_AHB2_GRP1_PERIPH_GPIOG |
| #define STM32_PERIPH_GPIOH LL_AHB2_GRP1_PERIPH_GPIOH |
| #endif /* CONFIG_SOC_SERIES_.. */ |
| |
| |
| |
| /** |
| * @brief configuration of GPIO device |
| */ |
| struct gpio_stm32_config { |
| /* port base address */ |
| u32_t *base; |
| /* IO port */ |
| int port; |
| struct stm32_pclken pclken; |
| }; |
| |
| /** |
| * @brief driver data |
| */ |
| struct gpio_stm32_data { |
| /* Enabled INT pins generating a cb */ |
| u32_t cb_pins; |
| /* user ISR cb */ |
| sys_slist_t cb; |
| }; |
| |
| /** |
| * @brief helper for mapping of GPIO flags to SoC specific config |
| * |
| * @param flags GPIO encoded flags |
| * @param out conf SoC specific pin config |
| * |
| * @return 0 if flags were mapped to SoC pin config |
| */ |
| int stm32_gpio_flags_to_conf(int flags, int *conf); |
| |
| /** |
| * @brief helper for configuration of GPIO pin |
| * |
| * @param base_addr GPIO port base address |
| * @param pin IO pin |
| * @param func GPIO mode |
| * @param altf Alternate function |
| */ |
| int stm32_gpio_configure(u32_t *base_addr, int pin, int func, int altf); |
| |
| /** |
| * @brief helper for setting of GPIO pin output |
| * |
| * @param base_addr GPIO port base address |
| * @param pin IO pin |
| * @param value 1, 0 |
| */ |
| int stm32_gpio_set(u32_t *base, int pin, int value); |
| |
| /** |
| * @brief helper for reading of GPIO pin value |
| * |
| * @param base_addr GPIO port base address |
| * @param pin IO pin |
| * @return pin value |
| */ |
| int stm32_gpio_get(u32_t *base, int pin); |
| |
| /** |
| * @brief enable interrupt source for GPIO pin |
| * @param port |
| * @param pin |
| */ |
| int stm32_gpio_enable_int(int port, int pin); |
| |
| #endif /* _STM32_GPIO_H_ */ |