| /* |
| * Copyright (c) 2016 Linaro Limited. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #ifndef _STM32F4X_GPIO_REGISTERS_H_ |
| #define _STM32F4X_GPIO_REGISTERS_H_ |
| |
| /** |
| * @brief Driver for GPIO of STM32F4X family processor. |
| * |
| * Based on reference manual: |
| * RM0368 Reference manual STM32F401xB/C and STM32F401xD/E |
| * advanced ARM ® -based 32-bit MCUs |
| * |
| * Chapter 8: General-purpose I/Os (GPIOs) |
| */ |
| |
| /* 8.4 GPIO registers - each GPIO port controls 16 pins */ |
| struct stm32f4x_gpio { |
| uint32_t mode; |
| uint32_t otype; |
| uint32_t ospeed; |
| uint32_t pupdr; |
| uint32_t idr; |
| uint32_t odr; |
| uint32_t bsr; |
| uint32_t lck; |
| uint32_t afr[2]; |
| }; |
| |
| union syscfg_exticr { |
| uint32_t val; |
| struct { |
| uint16_t rsvd__16_31; |
| uint16_t exti; |
| } bit; |
| }; |
| |
| /* 7.2 SYSCFG registers */ |
| struct stm32f4x_syscfg { |
| uint32_t memrmp; |
| uint32_t pmc; |
| union syscfg_exticr exticr1; |
| union syscfg_exticr exticr2; |
| union syscfg_exticr exticr3; |
| union syscfg_exticr exticr4; |
| uint32_t cmpcr; |
| }; |
| |
| #endif /* _STM32F4X_GPIO_REGISTERS_H_ */ |
