gpio.h

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// gpio.h
#ifndef _GPIO_H
#define _GPIO_H
 
#include "stm32f4xx_hal.h"
 
//pin definitions (PA-PE)
#define PA0 0
#define PA1 1
#define PA2 2
#define PA3 3
#define PA4 4
#define PA5 5
#define PA6 6
#define PA7 7
#define PA8 8
#define PA9 9
#define PA10 10
#define PA11 11
#define PA12 12
#define PA13 13
#define PA14 14
#define PA15 15
#define PB0 16
#define PB1 17
#define PB2 18
#define PB3 19
#define PB4 20
#define PB5 21
#define PB6 22
#define PB7 23
#define PB8 24
#define PB9 25
#define PB10 26
#define PB11 27
#define PB12 28
#define PB13 29
#define PB14 30
#define PB15 31
#define PC0 32
#define PC1 33
#define PC2 34
#define PC3 35
#define PC4 36
#define PC5 37
#define PC6 38
#define PC7 39
#define PC8 40
#define PC9 41
#define PC10 42
#define PC11 43
#define PC12 44
#define PC13 45
#define PC14 46
#define PC15 47
#define PD0 48
#define PD1 49
#define PD2 50
#define PD3 51
#define PD4 52
#define PD5 53
#define PD6 54
#define PD7 55
#define PD8 56
#define PD9 57
#define PD10 58
#define PD11 59
#define PD12 60
#define PD13 61
#define PD14 62
#define PD15 63
#define PE0 64
#define PE1 65
#define PE2 66
#define PE3 67
#define PE4 68
#define PE5 69
#define PE6 70
#define PE7 71
#define PE8 72
#define PE9 73
#define PE10 74
#define PE11 75
#define PE12 76
#define PE13 77
#define PE14 78
#define PE15 79
 
//port of pin8
static inline GPIO_TypeDef *gpio_port(uint8_t pin8) {
    return (GPIO_TypeDef *)(GPIOA_BASE + (GPIOB_BASE - GPIOA_BASE) * (pin8 >> 4));
}
 
static inline int gpio_get(uint8_t pin8) {
    return (HAL_GPIO_ReadPin(gpio_port(pin8), (1 << (pin8 & 0x0f))) != GPIO_PIN_RESET) ? 1 : 0;
}
 
static inline void gpio_set(uint8_t pin8, int state) {
    HAL_GPIO_WritePin(gpio_port(pin8), (1 << (pin8 & 0x0f)), state ? GPIO_PIN_SET : GPIO_PIN_RESET);
}
 
static inline void gpio_init(uint8_t pin8, uint32_t mode, uint32_t pull, uint32_t speed) {
    GPIO_InitTypeDef GPIO_InitStruct = { 0 };
    GPIO_InitStruct.Pin = (1 << (pin8 & 0x0f));
    GPIO_InitStruct.Mode = mode;
    GPIO_InitStruct.Pull = pull;
    GPIO_InitStruct.Speed = speed;
    HAL_GPIO_Init(gpio_port(pin8), &GPIO_InitStruct);
}
 
#endif //_GPIO_H