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/*
* 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_ */
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