memory game files

Metro/Metro_RP2350_Memory/mouse_demo/code.py

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+# SPDX-FileCopyrightText: 2025 Tim Cocks for Adafruit Industries
+# SPDX-License-Identifier: MIT
+"""
+This example is made for a basic Microsoft optical mouse with
+two buttons and a wheel that can be pressed.
+
+It assumes there is a single mouse connected to USB Host,
+and no other devices connected.
+"""
+import array
+from displayio import Group, OnDiskBitmap, TileGrid
+from adafruit_display_text.bitmap_label import Label
+import supervisor
+import terminalio
+import usb.core
+
+# pylint: disable=ungrouped-imports
+if hasattr(supervisor.runtime, "display") and supervisor.runtime.display is not None:
+    # use the built-in HSTX display for Metro RP2350
+    display = supervisor.runtime.display
+else:
+    # pylint: disable=ungrouped-imports
+    from displayio import release_displays
+    import picodvi
+    import board
+    import framebufferio
+
+    # initialize display
+    release_displays()
+
+    fb = picodvi.Framebuffer(
+        320,
+        240,
+        clk_dp=board.CKP,
+        clk_dn=board.CKN,
+        red_dp=board.D0P,
+        red_dn=board.D0N,
+        green_dp=board.D1P,
+        green_dn=board.D1N,
+        blue_dp=board.D2P,
+        blue_dn=board.D2N,
+        color_depth=16,
+    )
+    display = framebufferio.FramebufferDisplay(fb)
+
+# group to hold visual elements
+main_group = Group()
+
+# make the group visible on the display
+display.root_group = main_group
+
+# load the mouse cursor bitmap
+mouse_bmp = OnDiskBitmap("mouse_cursor.bmp")
+
+# make the background pink pixels transparent
+mouse_bmp.pixel_shader.make_transparent(0)
+
+# create a TileGrid for the mouse, using its bitmap and pixel_shader
+mouse_tg = TileGrid(mouse_bmp, pixel_shader=mouse_bmp.pixel_shader)
+
+# move it to the center of the display
+mouse_tg.x = display.width // 2
+mouse_tg.y = display.height // 2
+
+# text label to show the x, y coordinates on the screen
+output_lbl = Label(
+    terminalio.FONT, text=f"{mouse_tg.x},{mouse_tg.y}", color=0xFFFFFF, scale=1
+)
+
+# move it to the upper left corner
+output_lbl.anchor_point = (0, 0)
+output_lbl.anchored_position = (1, 1)
+
+# add it to the main group
+main_group.append(output_lbl)
+
+# add the mouse tile grid to the main group
+main_group.append(mouse_tg)
+
+# button names
+# This is ordered by bit position.
+BUTTONS = ["left", "right", "middle"]
+
+# scan for connected USB device and loop over any found
+for device in usb.core.find(find_all=True):
+    # print device info
+    print(f"{device.idVendor:04x}:{device.idProduct:04x}")
+    print(device.manufacturer, device.product)
+    print(device.serial_number)
+    # assume the device is the mouse
+    mouse = device
+
+# detach the kernel driver if needed
+if mouse.is_kernel_driver_active(0):
+    mouse.detach_kernel_driver(0)
+
+# set configuration on the mouse so we can use it
+mouse.set_configuration()
+
+# buffer to hold mouse data
+# Boot mice have 4 byte reports
+buf = array.array("b", [0] * 4)
+
+# main loop
+while True:
+    try:
+        # attempt to read data from the mouse
+        # 10ms timeout, so we don't block long if there
+        # is no data
+        count = mouse.read(0x81, buf, timeout=10)
+    except usb.core.USBTimeoutError:
+        # skip the rest of the loop if there is no data
+        continue
+
+    # update the mouse tilegrid x and y coordinates
+    # based on the delta values read from the mouse
+    mouse_tg.x = max(0, min(display.width - 1, mouse_tg.x + buf[1]))
+    mouse_tg.y = max(0, min(display.height - 1, mouse_tg.y + buf[2]))
+
+    # string with updated coordinates for the text label
+    out_str = f"{mouse_tg.x},{mouse_tg.y}"
+
+    # loop over the button names
+    for i, button in enumerate(BUTTONS):
+        # check if each button is pressed using bitwise AND shifted
+        # to the appropriate index for this button
+        if buf[0] & (1 << i) != 0:
+            # append the button name to the string to show if
+            # it is being clicked.
+            out_str += f" {button}"
+
+    # update the text label with the new coordinates
+    # and buttons being pressed
+    output_lbl.text = out_str

Metro/Metro_RP2350_Memory/tictactoe_demo/code.py

@@ -0,0 +1,253 @@
+# SPDX-FileCopyrightText: 2025 Tim Cocks for Adafruit Industries
+# SPDX-License-Identifier: MIT
+"""
+This example is made for a basic Microsoft optical mouse with
+two buttons and a wheel that can be pressed.
+
+It assumes there is a single mouse connected to USB Host,
+and no other devices connected.
+
+It illustrates multi-player turn based logic with a very
+basic implementation of tic-tac-toe.
+"""
+import array
+import random
+from displayio import Group, OnDiskBitmap, TileGrid
+from adafruit_display_text.bitmap_label import Label
+from adafruit_displayio_layout.layouts.grid_layout import GridLayout
+import supervisor
+import terminalio
+import usb.core
+
+# pylint: disable=ungrouped-imports
+if hasattr(supervisor.runtime, "display") and supervisor.runtime.display is not None:
+    # use the built-in HSTX display for Metro RP2350
+    display = supervisor.runtime.display
+else:
+    from displayio import release_displays
+    import picodvi
+    import board
+    import framebufferio
+
+    # initialize display
+    release_displays()
+
+    fb = picodvi.Framebuffer(
+        320,
+        240,
+        clk_dp=board.CKP,
+        clk_dn=board.CKN,
+        red_dp=board.D0P,
+        red_dn=board.D0N,
+        green_dp=board.D1P,
+        green_dn=board.D1N,
+        blue_dp=board.D2P,
+        blue_dn=board.D2N,
+        color_depth=16,
+    )
+    display = framebufferio.FramebufferDisplay(fb)
+
+# group to hold visual elements
+main_group = Group()
+
+# make the group visible on the display
+display.root_group = main_group
+
+# load the mouse cursor bitmap
+mouse_bmp = OnDiskBitmap("mouse_cursor.bmp")
+
+# make the background pink pixels transparent
+mouse_bmp.pixel_shader.make_transparent(0)
+
+# create a TileGrid for the mouse, using its bitmap and pixel_shader
+mouse_tg = TileGrid(mouse_bmp, pixel_shader=mouse_bmp.pixel_shader)
+
+# move it to the center of the display
+mouse_tg.x = display.width // 2
+mouse_tg.y = display.height // 2
+
+# text label to show the x, y coordinates on the screen
+output_lbl = Label(terminalio.FONT, text="", color=0xFFFFFF, scale=1)
+
+# move it to the right side of the screen
+output_lbl.anchor_point = (0, 0)
+output_lbl.anchored_position = (180, 40)
+
+# add it to the main group
+main_group.append(output_lbl)
+
+# scan for connected USB device and loop over any found
+for device in usb.core.find(find_all=True):
+    # print device info
+    print(f"{device.idVendor:04x}:{device.idProduct:04x}")
+    print(device.manufacturer, device.product)
+    print(device.serial_number)
+    # assume the device is the mouse
+    mouse = device
+
+# detach the kernel driver if needed
+if mouse.is_kernel_driver_active(0):
+    mouse.detach_kernel_driver(0)
+
+# set configuration on the mouse so we can use it
+mouse.set_configuration()
+
+# buffer to hold mouse data
+# Boot mice have 4 byte reports
+buf = array.array("b", [0] * 4)
+
+# set up a 3x3 grid for the tic-tac-toe board
+board_grid = GridLayout(x=40, y=40, width=128, height=128, grid_size=(3, 3))
+
+# load the tic-tac-toe spritesheet
+tictactoe_spritesheet = OnDiskBitmap("tictactoe_spritesheet.bmp")
+
+# X is index 1 in the spritesheet, O is index 2 in the spritesheet
+player_icon_indexes = [1, 2]
+
+# current player variable.
+# When this equlas 0 its X's turn,
+# when it equals 1 it is O's turn.
+current_player_index = random.randint(0, 1)  # randomize the initial player
+
+# loop over rows
+for y in range(3):
+    # loop over columns
+    for x in range(3):
+        # create a TileGrid for this cell
+        new_tg = TileGrid(
+            bitmap=tictactoe_spritesheet,
+            default_tile=0,
+            tile_height=32,
+            tile_width=32,
+            height=1,
+            width=1,
+            pixel_shader=tictactoe_spritesheet.pixel_shader,
+        )
+
+        # add the new TileGrid to the board grid at the current position
+        board_grid.add_content(new_tg, grid_position=(x, y), cell_size=(1, 1))
+
+# add the board grid to the main group
+main_group.append(board_grid)
+
+# add the mouse tile grid to the main group
+main_group.append(mouse_tg)
+
+
+def check_for_winner():
+    """
+    check if a player has won
+
+    :return: the player icon index of the winning player,
+        None if no winner and game continues, -1 if game ended in a tie.
+    """
+    found_empty = False
+
+    # check rows
+    for row_idx in range(3):
+        # if the 3 cells in this row match
+        if (
+            board_grid[0 + (row_idx * 3)][0] != 0
+            and board_grid[0 + (row_idx * 3)][0]
+            == board_grid[1 + (row_idx * 3)][0]
+            == board_grid[2 + (row_idx * 3)][0]
+        ):
+            return board_grid[0 + (row_idx * 3)][0]
+
+        # if any of the cells in this row are empty
+        if 0 in (
+            board_grid[0 + (row_idx * 3)][0],
+            board_grid[1 + (row_idx * 3)][0],
+            board_grid[2 + (row_idx * 3)][0],
+        ):
+            found_empty = True
+
+    # check columns
+    for col_idx in range(3):
+        # if the 3 cells in this column match
+        if (
+            board_grid[0 + col_idx][0] != 0
+            and board_grid[0 + col_idx][0]
+            == board_grid[3 + col_idx][0]
+            == board_grid[6 + col_idx][0]
+        ):
+            return board_grid[0 + col_idx][0]
+
+        # if any of the cells in this column are empty
+        if 0 in (
+            board_grid[0 + col_idx][0],
+            board_grid[3 + col_idx][0],
+            board_grid[6 + col_idx][0],
+        ):
+            found_empty = True
+
+    # check diagonals
+    if (
+        board_grid[0][0] != 0
+        and board_grid[0][0] == board_grid[4][0] == board_grid[8][0]
+    ):
+        return board_grid[0][0]
+
+    if (
+        board_grid[2][0] != 0
+        and board_grid[2][0] == board_grid[4][0] == board_grid[6][0]
+    ):
+        return board_grid[2][0]
+
+    if found_empty:
+        # return None if there is no winner and the game continues
+        return None
+    else:
+        # return -1 if it's a tie game with no winner
+        return -1
+
+
+# main loop
+while True:
+    try:
+        # attempt to read data from the mouse
+        # 10ms timeout, so we don't block long if there
+        # is no data
+        count = mouse.read(0x81, buf, timeout=10)
+    except usb.core.USBTimeoutError:
+        # skip the rest of the loop if there is no data
+        continue
+
+    # update the mouse tilegrid x and y coordinates
+    # based on the delta values read from the mouse
+    mouse_tg.x = max(0, min(display.width - 1, mouse_tg.x + buf[1]))
+    mouse_tg.y = max(0, min(display.height - 1, mouse_tg.y + buf[2]))
+
+    # if left button clicked
+    if buf[0] & (1 << 0) != 0:
+        # get the mouse pointer coordinates accounting for the offset of
+        # the board grid location
+        coords = (mouse_tg.x - board_grid.x, mouse_tg.y - board_grid.y, 0)
+
+        # loop over all cells in the board
+        for cell_tg in board_grid:
+
+            # if the current cell is blank, and contains the clicked coordinates
+            if cell_tg[0] == 0 and cell_tg.contains(coords):
+                # set the current cell tile index to the current player's icon
+                cell_tg[0] = player_icon_indexes[current_player_index]
+
+                # change to the next player
+                current_player_index = (current_player_index + 1) % 2
+
+                # print out which player's turn it is
+                print(f"It is now {'X' if current_player_index == 0 else 'O'}'s turn")
+
+                # check for a winner
+                result = check_for_winner()
+
+                # if Xs or Os have won
+                if result == 1:
+                    output_lbl.text = "X is the winner!"
+                elif result == 2:
+                    output_lbl.text = "O is the winner!"
+
+                # if it was a tie game
+                elif result == -1:
+                    output_lbl.text = "Tie game, no winner."