testing button functionality
This commit is contained in:
242
random_timer.py
242
random_timer.py
@@ -1,183 +1,87 @@
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#!/usr/bin/env python3
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"""
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Catchphrase with LCD Output (Scores & Reset)
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"""
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import random
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import time
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import threading
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import sys
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import RPi.GPIO as GPIO
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from RPLCD.i2c import CharLCD
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# ---------- CONFIG ----------
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WORDS_FILE = "words.txt" # file with one word per line
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TIMER_SECONDS = 30 # how long the timer runs
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I2C_ADDRESS = 0x27 # change if your LCD address is different
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I2C_CHIP = 'PCF8574' # common backpack chip
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# GPIO pin setup for buttons
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BUTTON_START_STOP = 17
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BUTTON_NEXT = 27
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BUTTON_TEAM1 = 22
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# ---------- LCD ----------
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lcd = CharLCD(I2C_CHIP, I2C_ADDRESS)
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GPIO.setmode(GPIO.BCM)
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GPIO.setup(BUTTON_START_STOP, GPIO.IN, pull_up_down=GPIO.PUD_UP)
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GPIO.setup(BUTTON_NEXT, GPIO.IN, pull_up_down=GPIO.PUD_UP)
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GPIO.setup(BUTTON_TEAM1, GPIO.IN, pull_up_down=GPIO.PUD_UP)
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def lcd_print(text, line=0):
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"""Print text centered on given LCD line (0 or 1), padded to clear leftovers."""
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lcd.cursor_pos = (line, 0)
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lcd.write_string(text.center(16))
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# LCD setup (adjust address and cols/rows if needed)
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lcd = CharLCD('PCF8574', 0x27)
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def lcd_update_scores():
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"""Update the bottom LCD line with team scores (T1 left, T2 right)."""
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lcd.cursor_pos = (1, 0)
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score_str = f"{score_t1}{' ' * 14}{score_t2}"
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lcd.write_string(score_str)
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# ---------- HELPERS ----------
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def load_words(path=WORDS_FILE):
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try:
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with open(path, "r", encoding="utf-8") as f:
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words = [line.strip() for line in f if line.strip()]
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if not words:
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raise ValueError("Word file is empty.")
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return words
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except Exception as e:
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print(f"❌ Error loading words: {e}")
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sys.exit(1)
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def pick_random(words):
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return random.choice(words)
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# ---------- TIMER THREAD ----------
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class CountdownTimer(threading.Thread):
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def __init__(self, seconds=TIMER_SECONDS, on_finish=None):
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super().__init__()
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self.seconds = seconds
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self.on_finish = on_finish
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self._running = threading.Event()
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self._running.set()
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def run(self):
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for _ in range(self.seconds):
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if not self._running.is_set():
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break
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time.sleep(1)
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self._running.clear()
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if self.on_finish:
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self.on_finish()
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def stop(self):
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self._running.clear()
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@property
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def is_running(self):
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return self._running.is_set()
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# ---------- SCORE VARIABLES ----------
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score_t1 = 0
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score_t2 = 0
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def add_score(team):
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global score_t1, score_t2
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if team == 1:
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score_t1 += 1
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if score_t1 >= 7:
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print("🏆 Team 1 wins! Scores reset.")
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score_t1 = score_t2 = 0
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elif team == 2:
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score_t2 += 1
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if score_t2 >= 7:
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print("🏆 Team 2 wins! Scores reset.")
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score_t1 = score_t2 = 0
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lcd_update_scores()
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def reset_scores():
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global score_t1, score_t2
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score_t1 = score_t2 = 0
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lcd_update_scores()
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# ---------- MAIN LOOP ----------
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def main():
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global score_t1, score_t2
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words = load_words()
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# Game variables
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team1_score = 0
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team2_score = 0
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timer_running = False
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timer_thread = None
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seconds = 0
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winner_displayed = False
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print("=== Catchphrase, with LCD & Scores ===")
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print("Commands:")
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print(" start - start 30s timer & show a word")
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print(" next - show another word while timer runs")
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print(" stop - stop timer early")
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print(" t1 - add point to Team 1")
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print(" t2 - add point to Team 2")
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print(" reset - reset both scores to 0")
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print(" exit / quit - leave the program")
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# Timer function
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def timer():
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global seconds, timer_running
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while timer_running:
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seconds += 1
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time.sleep(1)
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lcd_print("Ready", line=0)
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lcd_update_scores()
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def update_lcd():
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global winner_displayed
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lcd.clear()
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if winner_displayed:
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if team1_score >= 7:
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lcd.write_string("Team 1 Wins!")
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elif team2_score >= 7:
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lcd.write_string("Team 2 Wins!")
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else:
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lcd.write_string(f"T1:{team1_score} T2:{team2_score}")
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lcd.crlf()
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lcd.write_string(f"Time: {seconds}s")
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def announce_finish():
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print("\n⏰ Time is up! Returning to menu.")
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lcd_print("Time is up!", line=0)
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lcd_update_scores()
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def start_stop_timer(channel):
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global timer_running, timer_thread
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if not timer_running:
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timer_running = True
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threading.Thread(target=timer, daemon=True).start()
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else:
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timer_running = False
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def next_pressed(channel):
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global team1_score, team2_score, winner_displayed
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if not winner_displayed:
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team2_score += 1
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check_winner()
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update_lcd()
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def team1_pressed(channel):
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global team1_score, winner_displayed
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if not winner_displayed:
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team1_score += 1
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check_winner()
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update_lcd()
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def check_winner():
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global winner_displayed, timer_running
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if team1_score >= 7 or team2_score >= 7:
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winner_displayed = True
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timer_running = False
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# Attach button event listeners
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GPIO.add_event_detect(BUTTON_START_STOP, GPIO.FALLING, callback=start_stop_timer, bouncetime=300)
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GPIO.add_event_detect(BUTTON_NEXT, GPIO.FALLING, callback=next_pressed, bouncetime=300)
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GPIO.add_event_detect(BUTTON_TEAM1, GPIO.FALLING, callback=team1_pressed, bouncetime=300)
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while True:
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try:
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cmd = input("\n> ").strip().lower()
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except EOFError:
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break
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if cmd in ("exit", "quit"):
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if timer_thread and timer_thread.is_running:
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timer_thread.stop()
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timer_thread.join()
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lcd_print("Goodbye!", line=0)
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lcd_update_scores()
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print("👋 Goodbye!")
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break
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elif cmd == "start":
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if timer_thread and timer_thread.is_running:
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print("[!] Timer is already running.")
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else:
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timer_thread = CountdownTimer(on_finish=announce_finish)
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timer_thread.daemon = True
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timer_thread.start()
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word = pick_random(words)
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print(word)
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lcd_print(word, line=0)
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lcd_update_scores()
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print(f"[+] 30-second timer started. ({TIMER_SECONDS}s)")
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elif cmd == "next":
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if not (timer_thread and timer_thread.is_running):
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print("[!] No active timer - use 'start' first.")
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else:
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word = pick_random(words)
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print(word)
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lcd_print(word, line=0)
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lcd_update_scores()
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elif cmd == "stop":
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if timer_thread and timer_thread.is_running:
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timer_thread.stop()
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timer_thread.join()
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lcd_print("Stopped early", line=0)
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lcd_update_scores()
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print("[+] Timer stopped early.")
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else:
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print("[!] There is no running timer to stop.")
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elif cmd == "t1":
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add_score(1)
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print(f"Team 1: {score_t1}, Team 2: {score_t2}")
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elif cmd == "t2":
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add_score(2)
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print(f"Team 1: {score_t1}, Team 2: {score_t2}")
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elif cmd == "reset":
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reset_scores()
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print("Scores reset.")
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else:
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print(f"[!] Unknown command: {cmd}")
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if __name__ == "__main__":
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main()
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while True:
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update_lcd()
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time.sleep(0.5)
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except KeyboardInterrupt:
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GPIO.cleanup()
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lcd.clear()
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