#pragma once

#include <stdio.h>
#include <stdint.h>

typedef struct {
  uint8_t index;
} GPIO_TypeDef;

typedef struct
{
} TIM_HandleTypeDef;
typedef int HAL_StatusTypeDef;

#define HAL_STATUS_OK 0

#define GPIO_PIN_0                 ((uint16_t)0x0001)  /* Pin 0 selected    */
#define GPIO_PIN_1                 ((uint16_t)0x0002)  /* Pin 1 selected    */
#define GPIO_PIN_2                 ((uint16_t)0x0004)  /* Pin 2 selected    */
#define GPIO_PIN_3                 ((uint16_t)0x0008)  /* Pin 3 selected    */
#define GPIO_PIN_4                 ((uint16_t)0x0010)  /* Pin 4 selected    */
#define GPIO_PIN_5                 ((uint16_t)0x0020)  /* Pin 5 selected    */
#define GPIO_PIN_6                 ((uint16_t)0x0040)  /* Pin 6 selected    */
#define GPIO_PIN_7                 ((uint16_t)0x0080)  /* Pin 7 selected    */
#define GPIO_PIN_8                 ((uint16_t)0x0100)  /* Pin 8 selected    */
#define GPIO_PIN_9                 ((uint16_t)0x0200)  /* Pin 9 selected    */
#define GPIO_PIN_10                ((uint16_t)0x0400)  /* Pin 10 selected   */
#define GPIO_PIN_11                ((uint16_t)0x0800)  /* Pin 11 selected   */
#define GPIO_PIN_12                ((uint16_t)0x1000)  /* Pin 12 selected   */
#define GPIO_PIN_13                ((uint16_t)0x2000)  /* Pin 13 selected   */
#define GPIO_PIN_14                ((uint16_t)0x4000)  /* Pin 14 selected   */
#define GPIO_PIN_15                ((uint16_t)0x8000)  /* Pin 15 selected   */
#define GPIO_PIN_All               ((uint16_t)0xFFFF)  /* All pins selected */

static GPIO_TypeDef GPIOA_b = (GPIO_TypeDef){
  .index = 0,
};
static GPIO_TypeDef GPIOB_b = (GPIO_TypeDef){
  .index = 1,
};
static GPIO_TypeDef GPIOC_b = (GPIO_TypeDef){
  .index = 2,
};
static GPIO_TypeDef GPIOD_b = (GPIO_TypeDef){
  .index = 3,
};
static GPIO_TypeDef GPIOE_b = (GPIO_TypeDef){
  .index = 4,
};
#define GPIOA &GPIOA_b
#define GPIOB &GPIOB_b
#define GPIOC &GPIOC_b
#define GPIOD &GPIOD_b
#define GPIOE &GPIOE_b

typedef enum
{
  GPIO_PIN_RESET = 0u,
  GPIO_PIN_SET
} GPIO_PinState;

void HAL_GPIO_TogglePin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
GPIO_PinState HAL_GPIO_ReadPin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
void HAL_GPIO_WritePin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin, GPIO_PinState PinState);

#define __HAL_TIM_SET_AUTORELOAD(__HANDLE__, __AUTORELOAD__) \
  printf("setting autoreload to %d\n", __AUTORELOAD__);

#define __HAL_TIM_SET_PRESCALER(__HANDLE__, __PRESC__) \
  printf("setting prescaler to %d\n", __PRESC__);

HAL_StatusTypeDef HAL_TIM_Base_Start_IT(TIM_HandleTypeDef *htim);
HAL_StatusTypeDef HAL_TIM_Base_Stop_IT(TIM_HandleTypeDef *htim);