#include "stm32g0b1xx.h"

typedef struct {
    GPIO_TypeDef* en_port;
    uint8_t en_pin;
    GPIO_TypeDef* dir_port;
    uint8_t dir_pin;
    GPIO_TypeDef* step_port;
    uint8_t step_pin;
    GPIO_TypeDef* home_port;
    uint8_t home_pin;
    uint8_t homed:1;
    uint8_t moving:1;
    int16_t pos;
    int16_t speed;
    int16_t ramp_to_speed;
    uint32_t next_step;
} stepper_T;
  
void Timer1_Init(void);
void stepper_gpio_init();
void do_steps();