Bug fixes for Chips Challenge

Metro/Metro_RP2350_Chips_Challenge/audio.py

@@ -2,16 +2,16 @@
 #
 # SPDX-License-Identifier: MIT
 import audiocore
-import audiobusio
 from definitions import PLAY_SOUNDS
 
 class Audio:
-    def __init__(self, *, bit_clock, word_select, data):
-        self._audio = audiobusio.I2SOut(bit_clock, word_select, data)
+    def __init__(self, audio_bus, sounds):
+        self._audio = audio_bus
         self._wav_files = {}
-
-    def add_sound(self, sound_name, file):
-        self._wav_files[sound_name] = file
+        for sound_name, file in sounds.items():
+            self._add_sound(sound_name, file)
+        # Play the first sound in the list to initialize the audio system
+        self.play(tuple(self._wav_files.keys())[0], wait=True)
 
     def play(self, sound_name, wait=False):
         if not PLAY_SOUNDS:
@@ -23,3 +23,6 @@ class Audio:
                 if wait:
                     while self._audio.playing:
                         pass
+
+    def _add_sound(self, sound_name, file):
+        self._wav_files[sound_name] = file

Metro/Metro_RP2350_Chips_Challenge/code.py

@@ -7,6 +7,9 @@ import board
 import picodvi
 import framebufferio
 import displayio
+import adafruit_tlv320
+import audiobusio
+from audio import Audio
 from game import Game
 from definitions import SECOND_LENGTH, TICKS_PER_SECOND
 
@@ -17,13 +20,33 @@ from definitions import SECOND_LENGTH, TICKS_PER_SECOND
 # Change this to use a different data file
 DATA_FILE = "CHIPS.DAT"
 
+SOUND_EFFECTS = {
+    "BUTTON_PUSHED": "/sounds/pop2.wav",
+    "DOOR_OPENED": "/sounds/door.wav",
+    "ITEM_COLLECTED": "/sounds/blip2.wav",
+    "BOOTS_STOLEN": "/sounds/strike.wav",
+    "WATER_SPLASH": "/sounds/water2.wav",
+    "TELEPORT": "/sounds/teleport.wav",
+    "CANT_MOVE": "/sounds/oof3.wav",
+    "CHIP_LOSES": "/sounds/bummer.wav",
+    "LEVEL_COMPLETE": "/sounds/ditty1.wav",
+    "IC_COLLECTED": "/sounds/click3.wav",
+    "BOMB_EXPLOSION": "/sounds/hit3.wav",
+    "SOCKET_SOUND": "/sounds/chimes.wav",
+    "TIME_LOW_TICK": "/sounds/click1.wav",
+    "TIME_UP": "/sounds/bell.wav"
+}
+
 displayio.release_displays()
 
-audio_settings = {
-    'bit_clock': board.D9,
-    'word_select': board.D10,
-    'data': board.D11
-}
+i2c = board.I2C()
+dac = adafruit_tlv320.TLV320DAC3100(i2c)
+dac.configure_clocks(sample_rate=44100, bit_depth=16)
+dac.headphone_output = True
+dac.headphone_volume = -15  # dB
+
+audio_bus = audiobusio.I2SOut(board.D9, board.D10, board.D11)
+audio = Audio(audio_bus, SOUND_EFFECTS)
 
 fb = picodvi.Framebuffer(320, 240, clk_dp=board.CKP, clk_dn=board.CKN,
                                    red_dp=board.D0P, red_dn=board.D0N,
@@ -32,7 +55,7 @@ fb = picodvi.Framebuffer(320, 240, clk_dp=board.CKP, clk_dn=board.CKN,
                                    color_depth=8)
 display = framebufferio.FramebufferDisplay(fb)
 
-game = Game(display, DATA_FILE, **audio_settings)
+game = Game(display, DATA_FILE, audio)
 tick_length = SECOND_LENGTH / 1000 / TICKS_PER_SECOND
 while True:
     start = time.monotonic()

Metro/Metro_RP2350_Chips_Challenge/definitions.py

@@ -4,7 +4,7 @@
 from micropython import const
 
 # Settings
-PLAY_SOUNDS = False
+PLAY_SOUNDS = True
 
 # Timing Constants
 TICKS_PER_SECOND = const(20)

Metro/Metro_RP2350_Chips_Challenge/game.py

@@ -70,7 +70,7 @@ def get_victory_message(deaths):
     return None
 
 class Game:
-    def __init__(self, display, data_file, **kwargs):
+    def __init__(self, display, data_file, audio):
         self._display = display
         self._images = {}
         self._buffers = {}
@@ -78,7 +78,7 @@ class Game:
         self._loading_group = displayio.Group()
         self._tile_size = 24  # Default tile size (length and width)
         self._digit_dims = (0, 0)
-        self._gamelogic = GameLogic(data_file, **kwargs)
+        self._gamelogic = GameLogic(data_file, audio)
         self._databuffer = DataBuffer()
         self._color_index = {}
         self._init_display()
@@ -850,5 +850,5 @@ Total Score: {score[3]}"""
                             y_pos * self._tile_size + VIEWPORT_OFFSET[1], top_tile, bottom_tile
                         )
 
-        self._draw_hint()
         self._draw_title_dialog()
+        self._draw_hint()

Metro/Metro_RP2350_Chips_Challenge/gamelogic.py

@@ -13,24 +13,6 @@ from element import Element
 from level import Level, Tile
 from point import Point
 from slip import Slip
-from audio import Audio
-
-SOUND_EFFECTS = {
-    "BUTTON_PUSHED": "/sounds/pop2.wav",
-    "DOOR_OPENED": "/sounds/door.wav",
-    "ITEM_COLLECTED": "/sounds/blip2.wav",
-    "BOOTS_STOLEN": "/sounds/strike.wav",
-    "WATER_SPLASH": "/sounds/water2.wav",
-    "TELEPORT": "/sounds/teleport.wav",
-    "CANT_MOVE": "/sounds/oof3.wav",
-    "CHIP_LOSES": "/sounds/bummer.wav",
-    "LEVEL_COMPLETE": "/sounds/ditty1.wav",
-    "IC_COLLECTED": "/sounds/click3.wav",
-    "BOMB_EXPLOSION": "/sounds/hit3.wav",
-    "SOCKET_SOUND": "/sounds/chimes.wav",
-    "TIME_LOW_TICK": "/sounds/click1.wav",
-    "TIME_UP": "/sounds/bell.wav"
-}
 
 def is_ice(tile):
     return tile == TYPE_ICE or TYPE_ICEWALL_SOUTHEAST <= tile <= TYPE_ICEWALL_NORTHEAST
@@ -73,7 +55,8 @@ class GameLogic:
     A class to represent the state of the game as well as
     control all the game movements and actions.
     """
-    def __init__(self, data_file, **kwargs):
+    def __init__(self, data_file, audio):
+        self._audio = audio
         self._tileset = [Element() for _ in range(0x70)]
         self._chip = Creature()
         self._create_tileset()
@@ -96,10 +79,7 @@ class GameLogic:
         self._current_time = 0
         self._last_slip_dir = NONE
         self._controller_dir = NONE
-        self._audio = Audio(**kwargs)
         self._time_limit = 0
-        for sound_name, file in SOUND_EFFECTS.items():
-            self._audio.add_sound(sound_name, file)
 
     def dec_level(self):
         if self.current_level_number > 1: