blue pill based dino player

blue_pill_dino_player.ino

#define KEYBOARD_ENABLE_CONTROL PB2
#define LDR_PIN PA4
#define LDR_OBSTACLE_THRESHOLD 980
#include "Keyboard.h"

void setup() {
  Serial.begin(115200);
  pinMode(LDR_PIN,INPUT);
  pinMode(KEYBOARD_ENABLE_CONTROL,INPUT);
  Keyboard.begin();
}
uint8_t isKeyBoardEnabled(){
  return digitalRead(KEYBOARD_ENABLE_CONTROL);  
}
uint8_t isObstaclePresent(){
  uint32_t light = analogRead(LDR_PIN);
  //Serial.print("Light :");
  //Serial.println(light);
  if(light > LDR_OBSTACLE_THRESHOLD){
   return 1;  
  }  
  return 0;
}
void jump(){
  if(isKeyBoardEnabled()){
    Keyboard.write(' ');    
  }
}
void loop() {
  uint8_t isObstacle = isObstaclePresent();
  if(isObstacle){
    jump();
    Serial.println("jump!!");
    delay(100);
  }
}