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| 1 | +# SPDX-FileCopyrightText: 2020 Tim C, written for Adafruit Industries |
| 2 | +# |
| 3 | +# SPDX-License-Identifier: Unlicense |
| 4 | +""" |
| 5 | +PyPortal implementation of Busy Simulator notification sound looper. |
| 6 | +""" |
| 7 | +import time |
| 8 | +import board |
| 9 | +import displayio |
| 10 | +import adafruit_touchscreen |
| 11 | +from adafruit_displayio_layout.layouts.grid_layout import GridLayout |
| 12 | +from adafruit_displayio_layout.widgets.icon_widget import IconWidget |
| 13 | +from audiocore import WaveFile |
| 14 | +from audioio import AudioOut |
| 15 | + |
| 16 | +# How many seconds to wait between playing samples |
| 17 | +# Lower time means it will play faster |
| 18 | +WAIT_TIME = 3.0 |
| 19 | + |
| 20 | +# List that will hold indexes of notification samples to play |
| 21 | +LOOP = [] |
| 22 | + |
| 23 | +# last time that we played a sample |
| 24 | +LAST_PLAY_TIME = 0 |
| 25 | + |
| 26 | +CUR_LOOP_INDEX = 0 |
| 27 | + |
| 28 | +# touch events must have at least this long between them |
| 29 | +COOLDOWN_TIME = 0.25 # seconds |
| 30 | + |
| 31 | +# last time that the display was touched |
| 32 | +# used for debouncing and cooldown enforcement |
| 33 | +LAST_PRESS_TIME = -1 |
| 34 | + |
| 35 | +# Was any icon touched last iteration. |
| 36 | +# Used for debouncing. |
| 37 | +WAS_TOUCHED = False |
| 38 | + |
| 39 | + |
| 40 | +def next_index(): |
| 41 | + """ |
| 42 | + return the next index in the LOOP that should get played |
| 43 | + """ |
| 44 | + if CUR_LOOP_INDEX + 1 >= len(LOOP): |
| 45 | + return 0 |
| 46 | + |
| 47 | + return CUR_LOOP_INDEX + 1 |
| 48 | + |
| 49 | + |
| 50 | +# list of icons to show |
| 51 | +# each entry is a tuple containing: |
| 52 | +# (Icon Label, Icon BMP image file, Notification sample wav file |
| 53 | +_icons = [ |
| 54 | + ("Outlook", "icons/outlook.bmp", "sounds/outlook.wav"), |
| 55 | + ("Phone", "icons/phone.bmp", "sounds/phone.wav"), |
| 56 | + ("Skype", "icons/skype.bmp", "sounds/skype.wav"), |
| 57 | + ("Teams", "icons/teams.bmp", "sounds/teams.wav"), |
| 58 | + ("Discord", "icons/discord.bmp", "sounds/discord.wav"), |
| 59 | + ("Apple Mail", "icons/applemail.bmp", "sounds/applemail.wav"), |
| 60 | + ("iMessage", "icons/imessage.bmp", "sounds/imessage.wav"), |
| 61 | + ("Slack", "icons/slack.bmp", "sounds/slack.wav"), |
| 62 | + ("G Calendar", "icons/gcal.bmp", "sounds/RE.wav"), |
| 63 | + ("G Chat", "icons/gchat.bmp", "sounds/gchat.wav"), |
| 64 | + ("Stop", "icons/stop.bmp", ""), |
| 65 | +] |
| 66 | + |
| 67 | +# Make the display context. |
| 68 | +display = board.DISPLAY |
| 69 | +main_group = displayio.Group() |
| 70 | +display.show(main_group) |
| 71 | + |
| 72 | +# Touchscreen initialization |
| 73 | +ts = adafruit_touchscreen.Touchscreen( |
| 74 | + board.TOUCH_XL, |
| 75 | + board.TOUCH_XR, |
| 76 | + board.TOUCH_YD, |
| 77 | + board.TOUCH_YU, |
| 78 | + calibration=((5200, 59000), (5800, 57000)), |
| 79 | + size=(display.width, display.height), |
| 80 | +) |
| 81 | + |
| 82 | +# Setup the file as the bitmap data source |
| 83 | +bg_bitmap = displayio.OnDiskBitmap("busysim_background.bmp") |
| 84 | + |
| 85 | +# Create a TileGrid to hold the bitmap |
| 86 | +bg_tile_grid = displayio.TileGrid( |
| 87 | + bg_bitmap, |
| 88 | + pixel_shader=getattr(bg_bitmap, "pixel_shader", displayio.ColorConverter()), |
| 89 | +) |
| 90 | + |
| 91 | +# add it to the group that is showing |
| 92 | +main_group.append(bg_tile_grid) |
| 93 | + |
| 94 | +# grid to hold the icons |
| 95 | +layout = GridLayout( |
| 96 | + x=0, |
| 97 | + y=0, |
| 98 | + width=320, |
| 99 | + height=240, |
| 100 | + grid_size=(4, 3), |
| 101 | + cell_padding=20, |
| 102 | +) |
| 103 | + |
| 104 | +# initialize the icons in the grid |
| 105 | +for i, icon in enumerate(_icons): |
| 106 | + icon_widget = IconWidget( |
| 107 | + icon[0], |
| 108 | + icon[1], |
| 109 | + x=0, |
| 110 | + y=0, |
| 111 | + on_disk=True, |
| 112 | + transparent_index=0, |
| 113 | + label_background=0x888888, |
| 114 | + ) |
| 115 | + |
| 116 | + layout.add_content(icon_widget, grid_position=(i % 4, i // 4), cell_size=(1, 1)) |
| 117 | + |
| 118 | +# add the grid to the group showing on the display |
| 119 | +main_group.append(layout) |
| 120 | + |
| 121 | + |
| 122 | +def check_for_touch(_now): |
| 123 | + """ |
| 124 | + Check the touchscreen and do any actions necessary if an |
| 125 | + icon has been touched. Applies debouncing and cool down |
| 126 | + enforcement to filter out unneeded touch events. |
| 127 | +
|
| 128 | + :param int _now: The current time in seconds. Used for cool down enforcement |
| 129 | + """ |
| 130 | + # pylint: disable=global-statement, too-many-nested-blocks, consider-using-enumerate |
| 131 | + global CUR_LOOP_INDEX |
| 132 | + global LOOP |
| 133 | + global LAST_PRESS_TIME |
| 134 | + global WAS_TOUCHED |
| 135 | + |
| 136 | + # read the touch data |
| 137 | + touch_point = ts.touch_point |
| 138 | + |
| 139 | + # if anything is touched |
| 140 | + if touch_point: |
| 141 | + # if the touch just began. We ignore further events until |
| 142 | + # after the touch has been lifted |
| 143 | + if not WAS_TOUCHED: |
| 144 | + |
| 145 | + # set the variable so we know to ignore future events until |
| 146 | + # touch is released |
| 147 | + WAS_TOUCHED = True |
| 148 | + |
| 149 | + # if it has been long enough time since previous touch event |
| 150 | + if _now - LAST_PRESS_TIME > COOLDOWN_TIME: |
| 151 | + |
| 152 | + LAST_PRESS_TIME = time.monotonic() |
| 153 | + |
| 154 | + # loop over the icons |
| 155 | + for _ in range(len(_icons)): |
| 156 | + # lookup current icon in the grid layout |
| 157 | + cur_icon = layout.get_cell((_ % 4, _ // 4)) |
| 158 | + |
| 159 | + # check if it's being touched |
| 160 | + if cur_icon.contains(touch_point): |
| 161 | + print("icon {} touched".format(_)) |
| 162 | + |
| 163 | + # if it's the stop icon |
| 164 | + if _icons[_][0] == "Stop": |
| 165 | + |
| 166 | + # empty out the loop |
| 167 | + LOOP = [] |
| 168 | + |
| 169 | + # set current index back to 0 |
| 170 | + CUR_LOOP_INDEX = 0 |
| 171 | + |
| 172 | + else: # any other icon |
| 173 | + # insert the touched icons sample index into the loop |
| 174 | + LOOP.insert(CUR_LOOP_INDEX, _) |
| 175 | + |
| 176 | + # print(LOOP) |
| 177 | + |
| 178 | + # break out of the for loop. |
| 179 | + # if current icon is being touched then no others can be |
| 180 | + break |
| 181 | + |
| 182 | + # nothing is touched |
| 183 | + else: |
| 184 | + # set variable back to false for debouncing |
| 185 | + WAS_TOUCHED = False |
| 186 | + |
| 187 | + |
| 188 | +# main loop |
| 189 | +while True: |
| 190 | + # store current time in variable for cool down enforcement |
| 191 | + _now = time.monotonic() |
| 192 | + |
| 193 | + # check for and process touch events |
| 194 | + check_for_touch(_now) |
| 195 | + |
| 196 | + # if it's time to play a sample |
| 197 | + if LAST_PLAY_TIME + WAIT_TIME <= _now: |
| 198 | + # print("time to play") |
| 199 | + |
| 200 | + # if there are any samples in the loop |
| 201 | + if len(LOOP) > 0: |
| 202 | + |
| 203 | + # open the sample wav file |
| 204 | + with open(_icons[LOOP[CUR_LOOP_INDEX]][2], "rb") as wave_file: |
| 205 | + print("playing: {}".format(_icons[LOOP[CUR_LOOP_INDEX]][2])) |
| 206 | + |
| 207 | + # initialize audio output pin |
| 208 | + audio = AudioOut(board.AUDIO_OUT) |
| 209 | + |
| 210 | + # initialize WaveFile object |
| 211 | + wave = WaveFile(wave_file) |
| 212 | + |
| 213 | + # play it |
| 214 | + audio.play(wave) |
| 215 | + |
| 216 | + # while it's still playing |
| 217 | + while audio.playing: |
| 218 | + # update time variable |
| 219 | + _now = time.monotonic() |
| 220 | + |
| 221 | + # check for and process touch events |
| 222 | + check_for_touch(_now) |
| 223 | + |
| 224 | + # after done playing. deinit audio output |
| 225 | + audio.deinit() |
| 226 | + |
| 227 | + # increment index counter |
| 228 | + CUR_LOOP_INDEX = next_index() |
| 229 | + |
| 230 | + # update variable for last time we attempted to play sample |
| 231 | + LAST_PLAY_TIME = _now |
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