wheel.c

// #include "display.h"
#include "utilities.h"
#include "wheel.h"



int set_speed(int s){
    return -1;
}

int get_current_px(){
    return -1;
}


void *wheel_func(void *param){
    printf("\nwheel_func");
    wheel* id = (wheel *) (param);

    while(1){
      wheel_spin_1_tick(id);
      wait_until(wheel_delay_ms(*id));
    }
}

int wheel_spin_1_tick(wheel* this){
  if (this->speed) {
    pthread_mutex_lock(&this->lock);
    this->current_px = (this->current_px + 2) % 896 ;
    pthread_mutex_unlock(&this->lock);
  }
}

int wheel_delay_ms(wheel this){
  if (this.speed) {
    return this.speed * 2;
  } 
}

int stop_wheel(wheel* this){
  while (this->current_px % 128 != 96) { // 32 is the offset to center the item
    //wheel_spin_1_tick(this);
    wait_until(wheel_delay_ms(*this));
  }
  this->speed = 0;
}