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Author: rxing365

RP2040_Game_Kit/ugame.py

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+import board
+import analogio
+import stage
+import displayio
+import busio
+import time
+import keypad
+import audiocore
+import audiopwmio
+import supervisor
+import digitalio
+
+
+K_X = 0x01
+K_O = 0x02
+K_START = 0x04  # Y
+K_SELECT = 0x08  # X
+K_DOWN = 0x10
+K_LEFT = 0x20
+K_RIGHT = 0x40
+K_UP = 0x80
+
+
+# re-initialize the display for correct rotation and RGB mode
+
+_TFT_INIT = (
+    b"\x01\x80\x96"  # _SWRESET and Delay 150ms
+    b"\x11\x80\xFF"  # _SLPOUT and Delay 500ms
+    b"\x3A\x81\x55\x0A"  # _COLMOD and Delay 10ms
+    b"\x36\x01\x08"  # _MADCTL
+    b"\x21\x80\x0A"  # _INVON Hack and Delay 10ms
+    b"\x13\x80\x0A"  # _NORON and Delay 10ms
+    b"\x36\x01\xC0"  # _MADCTL
+    b"\x29\x80\xFF"  # _DISPON and Delay 500ms
+    b"\x36\xA0"  # 反转屏幕Y轴
+)
+
+
+class _Buttons:
+    def __init__(self):
+        self.keys = keypad.Keys((
+            board.GP6,
+            board.GP5,
+            board.GP8,
+            board.GP7
+        ), value_when_pressed=False, pull=True, interval=0.05)
+        self.last_state = 0
+        self.event = keypad.Event(0, False)
+        self.last_z_press = None
+        self.joy_x = analogio.AnalogIn(board.A3)
+        self.joy_y = analogio.AnalogIn(board.A2)
+
+    def get_pressed(self):
+        buttons = self.last_state
+        events = self.keys.events
+        while events:
+            if events.get_into(self.event):
+                bit = 1 << self.event.key_number
+                if self.event.pressed:
+                    buttons |= bit
+                    self.last_state |= bit
+                else:
+                    self.last_state &= ~bit
+        if buttons & K_START:
+            now = time.monotonic()
+            if self.last_z_press:
+                if now - self.last_z_press > 2:
+                    supervisor.set_next_code_file(None)
+                    supervisor.reload()
+            else:
+                self.last_z_press = now
+        else:
+            self.last_z_press = None
+        dead = 15000
+        x = self.joy_x.value - 32767
+        if x < -dead:
+            buttons |= K_LEFT
+        elif x > dead:
+            buttons |= K_RIGHT
+        y = self.joy_y.value - 32767
+        if y < -dead:
+            buttons |= K_UP
+        elif y > dead:
+            buttons |= K_DOWN
+        return buttons
+
+
+class _Audio:
+    last_audio = None
+
+    def __init__(self):
+        self.muted = True
+        self.buffer = bytearray(128)
+        self.audio = audiopwmio.PWMAudioOut(board.GP23)
+
+    def play(self, audio_file, loop=False):
+        if self.muted:
+            return
+        self.stop()
+        wave = audiocore.WaveFile(audio_file, self.buffer)
+        self.audio.play(wave, loop=loop)
+
+    def stop(self):
+        self.audio.stop()
+
+    def mute(self, value=True):
+        self.muted = value
+
+
+displayio.release_displays()
+spi = busio.SPI(clock=board.GP2, MOSI=board.GP3)
+tft_cs = board.GP18
+tft_dc = board.GP1
+display_bus = displayio.FourWire(spi, command=tft_dc, chip_select=tft_cs, reset=board.GP0)
+display = displayio.Display(display_bus, _TFT_INIT, width=240, height=240,
+                            rotation=180, auto_refresh=False, rowstart=0)
+audio = _Audio()
+buttons = _Buttons()