functioning start stop button

random_timer.py

@@ -1,87 +1,187 @@
 #!/usr/bin/env python3
-import time
-import threading
 import RPi.GPIO as GPIO
+import time
+import random
+import threading
 from RPLCD.i2c import CharLCD
 
-# GPIO pin setup for buttons
+# --- CONFIG ---
-BUTTON_START_STOP = 17
+WORDS_FILE = "words.txt"
+TIMER_SECONDS = 30
+I2C_ADDRESS = 0x27
+I2C_CHIP = 'PCF8574'
+
+# --- GPIO SETUP ---
+GPIO.setmode(GPIO.BCM)
+
+# Buttons mapped to pins
+BUTTON_START_STOP = 23
 BUTTON_NEXT = 27
 BUTTON_TEAM1 = 22
+BUTTON_TEAM2 = 17
 
-GPIO.setmode(GPIO.BCM)
+for btn_pin in (BUTTON_START_STOP, BUTTON_NEXT, BUTTON_TEAM1, BUTTON_TEAM2):
-GPIO.setup(BUTTON_START_STOP, GPIO.IN, pull_up_down=GPIO.PUD_UP)
+    GPIO.setup(btn_pin, GPIO.IN, pull_up_down=GPIO.PUD_UP)
-GPIO.setup(BUTTON_NEXT, GPIO.IN, pull_up_down=GPIO.PUD_UP)
-GPIO.setup(BUTTON_TEAM1, GPIO.IN, pull_up_down=GPIO.PUD_UP)
 
-# LCD setup (adjust address and cols/rows if needed)
+# --- LCD SETUP ---
-lcd = CharLCD('PCF8574', 0x27)
+lcd = CharLCD(I2C_CHIP, I2C_ADDRESS)
-
-# Game variables
-team1_score = 0
-team2_score = 0
-timer_running = False
-timer_thread = None
-seconds = 0
-winner_displayed = False
-
-# Timer function
-def timer():
-	global seconds, timer_running
-	while timer_running:
-		seconds += 1
-		time.sleep(1)
-
-def update_lcd():
-	global winner_displayed
 lcd.clear()
-	if winner_displayed:
-		if team1_score >= 7:
-			lcd.write_string("Team 1 Wins!")
-		elif team2_score >= 7:
-			lcd.write_string("Team 2 Wins!")
-	else:
-		lcd.write_string(f"T1:{team1_score} T2:{team2_score}")
-		lcd.crlf()
-		lcd.write_string(f"Time: {seconds}s")
 
-def start_stop_timer(channel):
+# --- GLOBALS ---
+words = []
+timer_thread = None
+timer_running = False
+time_left = TIMER_SECONDS
+score_t1 = 0
+score_t2 = 0
+current_word = ""
+
+lock = threading.Lock()  # Protect shared state
+
+# --- LOAD WORDS ---
+def load_words(path=WORDS_FILE):
+    try:
+        with open(path, "r", encoding="utf-8") as f:
+            lines = [line.strip() for line in f if line.strip()]
+        if not lines:
+            raise ValueError("Word file is empty.")
+        return lines
+    except Exception as e:
+        print(f"❌ Error loading words: {e}")
+        exit(1)
+
+# --- LCD HELPERS ---
+def lcd_print_lines(line1="", line2=""):
+    lcd.clear()
+    lcd.cursor_pos = (0, 0)
+    lcd.write_string(line1.ljust(16)[:16])
+    lcd.cursor_pos = (1, 0)
+    lcd.write_string(line2.ljust(16)[:16])
+
+def lcd_show_word_and_timer(word, seconds):
+    lcd.clear()
+    lcd.cursor_pos = (0, 0)
+    lcd.write_string(f"Time:{seconds:02d}   ")
+    lcd.cursor_pos = (1, 0)
+    lcd.write_string(word.center(16))
+
+def lcd_show_scores():
+    lcd.clear()
+    lcd.write_string(f"T1:{score_t1}   T2:{score_t2}".center(16))
+
+def lcd_show_winner(winner_team):
+    lcd.clear()
+    lcd.write_string(f"🏆 Team {winner_team} Wins!".center(16))
+
+# --- TIMER THREAD ---
+class CountdownTimer(threading.Thread):
+    def __init__(self, seconds):
+        super().__init__()
+        self.seconds = seconds
+        self._running = threading.Event()
+        self._running.set()
+
+    def run(self):
+        global time_left, timer_running
+        time_left = self.seconds
+        while time_left > 0 and self._running.is_set():
+            with lock:
+                lcd_show_word_and_timer(current_word, time_left)
+            time.sleep(1)
+            time_left -= 1
+        with lock:
+            timer_running = False
+            lcd_show_scores()
+
+    def stop(self):
+        self._running.clear()
+
+# --- GAME LOGIC ---
+def pick_random_word():
+    global current_word
+    current_word = random.choice(words)
+
+def start_stop_button_callback(channel):
+    print("Start Button Pressed")
     global timer_running, timer_thread
-	if not timer_running:
+    with lock:
-		timer_running = True
+        if timer_running:
-		threading.Thread(target=timer, daemon=True).start()
+            # Stop timer
+            if timer_thread:
+                timer_thread.stop()
+                timer_thread.join()
+            timer_running = False
+            lcd_show_scores()
         else:
+            # Start timer & show first word
+            pick_random_word()
+            timer_thread = CountdownTimer(TIMER_SECONDS)
+            timer_thread.daemon = True
+            timer_running = True
+            timer_thread.start()
+
+def next_button_callback(channel):
+    global current_word
+    with lock:
+        if timer_running:
+            pick_random_word()
+
+def team1_button_callback(channel):
+    global score_t1
+    with lock:
+        if timer_running:
+            score_t1 += 1
+            if score_t1 >= 7:
                 timer_running = False
+                lcd_show_winner(1)
+                reset_game_after_delay()
+            else:
+                lcd_show_scores()
 
-def next_pressed(channel):
+def team2_button_callback(channel):
-	global team1_score, team2_score, winner_displayed
+    global score_t2
-	if not winner_displayed:
+    with lock:
-		team2_score += 1
+        if timer_running:
-		check_winner()
+            score_t2 += 1
-	update_lcd()
+            if score_t2 >= 7:
-
-def team1_pressed(channel):
-	global team1_score, winner_displayed
-	if not winner_displayed:
-		team1_score += 1
-		check_winner()
-	update_lcd()
-
-def check_winner():
-	global winner_displayed, timer_running
-	if team1_score >= 7 or team2_score >= 7:
-		winner_displayed = True
                 timer_running = False
+                lcd_show_winner(2)
+                reset_game_after_delay()
+            else:
+                lcd_show_scores()
 
-# Attach button event listeners
+def reset_game_after_delay(delay=5):
-GPIO.add_event_detect(BUTTON_START_STOP, GPIO.FALLING, callback=start_stop_timer, bouncetime=300)
+    def reset():
-GPIO.add_event_detect(BUTTON_NEXT, GPIO.FALLING, callback=next_pressed, bouncetime=300)
+        global score_t1, score_t2, current_word
-GPIO.add_event_detect(BUTTON_TEAM1, GPIO.FALLING, callback=team1_pressed, bouncetime=300)
+        time.sleep(delay)
+        with lock:
+            score_t1 = 0
+            score_t2 = 0
+            current_word = ""
+            lcd_show_scores()
+    threading.Thread(target=reset, daemon=True).start()
+
+# --- Setup GPIO event detection ---
+GPIO.add_event_detect(BUTTON_START_STOP, GPIO.FALLING, callback=start_stop_button_callback, bouncetime=300)
+GPIO.add_event_detect(BUTTON_NEXT, GPIO.FALLING, callback=next_button_callback, bouncetime=300)
+GPIO.add_event_detect(BUTTON_TEAM1, GPIO.FALLING, callback=team1_button_callback, bouncetime=300)
+GPIO.add_event_detect(BUTTON_TEAM2, GPIO.FALLING, callback=team2_button_callback, bouncetime=300)
+
+# --- Main program ---
+def main():
+    global words
+    words = load_words()
+    lcd_show_scores()
+    print("Catchphrase started! Use buttons to play.")
 
     try:
         while True:
-		update_lcd()
+            time.sleep(0.1)
-		time.sleep(0.5)
     except KeyboardInterrupt:
+        pass
+    finally:
         GPIO.cleanup()
         lcd.clear()
+
+if __name__ == "__main__":
+    main()