pihut-advent-kalender/10-dezember.py

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# Imports
from machine import Pin, PWM
import time, sys
# Set up the Break Beam pin
beam = Pin(26, Pin.IN, Pin.PULL_DOWN)
# Set up the Buzzer pin as PWM
buzzer = PWM(Pin(13))
# Set buzzer PWM frequency to 1000
buzzer.freq(1000)
# Start with the buzzer volume off (duty 0)
buzzer.duty_u16(0)
# Create game variables
starttime = 0
timecheck = 0
scorecounter = 0
state = 0
print("Game starts after the beep!")
#Long beep to signal game start
buzzer.duty_u16(10000)
time.sleep(2)
buzzer.duty_u16(0)
print("GO!")
# Store our start time (seconds)
starttime = time.time()
while True: # Run this block until code stopped
time.sleep(0.0001) # Very short delay
# Take the current epoch time and minus the start time
# This gives us the number of seconds since we started the game
timecheck = time.time() - starttime
if timecheck >= 30: # If 30 or more seconds have passed
print("GAME OVER!")
# Beep to signal game end
buzzer.duty_u16(10000)
time.sleep(0.2)
buzzer.duty_u16(0)
# Print the player's score
print("YOUR SCORE:",scorecounter)
# Exit the program
sys.exit()
elif state == 0 and beam.value() == 0: # If state is 0 AND our pin is LOW
scorecounter = scorecounter + 1 # Add +1 to our score counter
state = 1 # Change state to 1
print("SCORE =",scorecounter) # Print our new score counter
print("Time remaining:", (30 - timecheck)) # take our timecheck variable away from 30 - gives the remaining time
elif state == 1 and beam.value() == 1: # If state is 1 AND our pin is HIGH
state = 0 # Change the state to 0