adding pyportal busy simulator project

Author: FoamyGuy

PyPortal_BusySimulator/busysim_background.bmp

@@ -0,0 +1,231 @@
+# SPDX-FileCopyrightText: 2020 Tim C, written for Adafruit Industries
+#
+# SPDX-License-Identifier: Unlicense
+"""
+PyPortal implementation of Busy Simulator notification sound looper.
+"""
+import board
+import displayio
+import adafruit_touchscreen
+from adafruit_displayio_layout.layouts.grid_layout import GridLayout
+from adafruit_displayio_layout.widgets.icon_widget import IconWidget
+import time
+from audiocore import WaveFile
+from audioio import AudioOut
+from vectorio import Circle
+
+# How many seconds to wait between playing samples
+# Lower time means it will play faster
+WAIT_TIME = 3.0
+
+# List that will hold indexes of notification samples to play
+LOOP = []
+
+# last time that we played a sample
+LAST_PLAY_TIME = 0
+
+CUR_LOOP_INDEX = 0
+
+# touch events must have at least this long between them
+COOLDOWN_TIME = 0.25  # seconds
+
+# last time that the display was touched
+# used for debouncing and cooldown enforcement
+LAST_PRESS_TIME = -1
+
+# Was any icon touched last iteration.
+# Used for debouncing.
+WAS_TOUCHED = False
+
+
+def next_index():
+    """
+    return the next index in the LOOP that should get played
+    """
+    if CUR_LOOP_INDEX + 1 >= len(LOOP):
+        return 0
+
+    return CUR_LOOP_INDEX + 1
+
+
+# list of icons to show
+# each entry is a tuple containing:
+# (Icon Label, Icon BMP image file, Notification sample wav file
+_icons = [
+    ("Outlook", "icons/outlook.bmp", "sounds/outlook.wav"),
+    ("Phone", "icons/phone.bmp", "sounds/phone.wav"),
+    ("Skype", "icons/skype.bmp", "sounds/skype.wav"),
+    ("Teams", "icons/teams.bmp", "sounds/teams.wav"),
+    ("Discord", "icons/discord.bmp", "sounds/discord.wav"),
+    ("Apple Mail", "icons/applemail.bmp", "sounds/applemail.wav"),
+    ("iMessage", "icons/imessage.bmp", "sounds/imessage.wav"),
+    ("Slack", "icons/slack.bmp", "sounds/slack.wav"),
+    ("G Calendar", "icons/gcal.bmp", "sounds/RE.wav"),
+    ("G Chat", "icons/gchat.bmp", "sounds/gchat.wav"),
+    ("Stop", "icons/stop.bmp", ""),
+]
+
+# Make the display context.
+display = board.DISPLAY
+main_group = displayio.Group()
+display.show(main_group)
+
+# Touchscreen initialization
+ts = adafruit_touchscreen.Touchscreen(
+    board.TOUCH_XL,
+    board.TOUCH_XR,
+    board.TOUCH_YD,
+    board.TOUCH_YU,
+    calibration=((5200, 59000), (5800, 57000)),
+    size=(display.width, display.height),
+)
+
+# Setup the file as the bitmap data source
+bg_bitmap = displayio.OnDiskBitmap("busysim_background.bmp")
+
+# Create a TileGrid to hold the bitmap
+bg_tile_grid = displayio.TileGrid(
+    bg_bitmap,
+    pixel_shader=getattr(bg_bitmap, "pixel_shader", displayio.ColorConverter()),
+)
+
+# add it to the group that is showing
+main_group.append(bg_tile_grid)
+
+# grid to hold the icons
+layout = GridLayout(
+    x=0,
+    y=0,
+    width=320,
+    height=240,
+    grid_size=(4, 3),
+    cell_padding=20,
+)
+
+# initialize the icons in the grid
+for i, icon in enumerate(_icons):
+    icon_widget = IconWidget(
+        icon[0],
+        icon[1],
+        x=0,
+        y=0,
+        on_disk=True,
+        transparent_index=0,
+        label_background=0x888888,
+    )
+
+    layout.add_content(icon_widget, grid_position=(i % 4, i // 4), cell_size=(1, 1))
+
+# add the grid to the group showing on the display
+main_group.append(layout)
+
+
+def check_for_touch(_now):
+    """
+    Check the touchscreen and do any actions necessary if an
+    icon has been touched. Applies debouncing and cool down
+    enforcement to filter out unneeded touch events.
+
+    :param int _now: The current time in seconds. Used for cool down enforcement
+    """
+    global CUR_LOOP_INDEX
+    global LOOP
+    global LAST_PRESS_TIME
+    global WAS_TOUCHED
+
+    # read the touch data
+    p = ts.touch_point
+
+    # if anything is touched
+    if p:
+        # if the touch just began. We ignore further events until
+        # after the touch has been lifted
+        if not WAS_TOUCHED:
+
+            # set the variable so we know to ignore future events until
+            # touch is released
+            WAS_TOUCHED = True
+
+            # if it has been long enough time since previous touch event
+            if _now - LAST_PRESS_TIME > COOLDOWN_TIME:
+
+                LAST_PRESS_TIME = time.monotonic()
+
+                # loop over the icons
+                for i in range(len(_icons)):
+                    # lookup current icon in the grid layout
+                    icon = layout.get_cell((i % 4, i // 4))
+
+                    # check if it's being touched
+                    if icon.contains(p):
+                        print("icon {} touched".format(i))
+
+                        # if it's the stop icon
+                        if _icons[i][0] == "Stop":
+
+                            # empty out the loop
+                            LOOP = []
+
+                            # set current index back to 0
+                            CUR_LOOP_INDEX = 0
+
+                        else:  # any other icon
+                            # insert the touched icons sample index into the loop
+                            LOOP.insert(CUR_LOOP_INDEX, i)
+
+                        # print(LOOP)
+
+                        # break out of the for loop.
+                        # if current icon is being touched then no others can be
+                        break
+
+    # nothing is touched
+    else:
+        # set variable back to false for debouncing
+        WAS_TOUCHED = False
+
+
+# main loop
+while True:
+    # store current time in variable for cool down enforcement
+    _now = time.monotonic()
+
+    # check for and process touch events
+    check_for_touch(_now)
+
+    # if it's time to play a sample
+    if LAST_PLAY_TIME + WAIT_TIME <= _now:
+        # print("time to play")
+
+        # if there are any samples in the loop
+        if len(LOOP) > 0:
+
+            # open the sample wav file
+            with open(_icons[LOOP[CUR_LOOP_INDEX]][2], "rb") as wave_file:
+                print("playing: {}".format(_icons[LOOP[CUR_LOOP_INDEX]][2]))
+
+                # initialize audio output pin
+                audio = AudioOut(board.AUDIO_OUT)
+
+                # initialize WaveFile object
+                wave = WaveFile(wave_file)
+
+                # play it
+                audio.play(wave)
+
+                # while it's still playing
+                while audio.playing:
+                    # update time variable
+                    _now = time.monotonic()
+
+                    # check for and process touch events
+                    check_for_touch(_now)
+
+                # after done playing. deinit audio output
+                audio.deinit()
+
+                # increment index counter
+                CUR_LOOP_INDEX = next_index()
+
+        # update variable for last time we attempted to play sample
+        LAST_PLAY_TIME = _now