Merge branch 'master' of https://github.com/dherrada/Adafruit_Learning_System_Guides
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dherrada
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104
TFT_Gizmo_Candy_Hearts/clue_heart_ble.py
Executable file
104
TFT_Gizmo_Candy_Hearts/clue_heart_ble.py
Executable file
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# Display stuff
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import board
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import displayio
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import adafruit_imageload
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from adafruit_bitmap_font import bitmap_font
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from adafruit_display_text import label
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# BLE stuff
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from adafruit_ble import BLERadio
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from adafruit_ble.advertising.standard import ProvideServicesAdvertisement
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from adafruit_ble.services.nordic import UARTService
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from adafruit_bluefruit_connect.packet import Packet
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from adafruit_bluefruit_connect.color_packet import ColorPacket
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#---| User Config |--------------------------------------------------
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BLE_NAME = "Candy Heart"
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MESSAGE_DELIMITER = ","
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MESSAGE_COLOR = 0xFF0000
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#---| User Config |--------------------------------------------------
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# Setup BLE radio and service
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ble = BLERadio()
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uart = UARTService()
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advertisement = ProvideServicesAdvertisement(uart)
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ble._adapter.name = BLE_NAME #pylint: disable=protected-access
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# Create the display
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display = board.DISPLAY
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# Load the candy heart BMP
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bitmap, palette = adafruit_imageload.load("/heart_bw.bmp",
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bitmap=displayio.Bitmap,
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palette=displayio.Palette)
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heart = displayio.TileGrid(bitmap, pixel_shader=palette)
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# Set up message text
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LINE1_MAX = 9
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LINE2_MAX = 5
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font = bitmap_font.load_font("/Multicolore_36.bdf")
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line1 = label.Label(font, text="?"*LINE1_MAX)
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line2 = label.Label(font, text="?"*LINE2_MAX)
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line1.anchor_point = (0.5, 0) # middle top
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line2.anchor_point = (0.5, 1.0) # middle bottom
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line1.anchored_position = (120, 85)
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line2.anchored_position = (120, 175)
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line1.color = line2.color = MESSAGE_COLOR
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# Set up group and add to display
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group = displayio.Group()
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group.append(heart)
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group.append(line1)
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group.append(line2)
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display.show(group)
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def update_heart(message, heart_color):
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# turn off auto refresh while we change some things
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display.auto_refresh = False
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# set message text
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text1, _, text2 = message.partition(MESSAGE_DELIMITER)
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line1.text = text1[:LINE1_MAX] if len(text1) > LINE1_MAX else text1
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line2.text = text1[:LINE2_MAX] if len(text2) > LINE2_MAX else text2
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# update location for new text bounds
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line1.anchored_position = (120, 85)
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line2.anchored_position = (120, 175)
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# set heart color
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palette[1] = heart_color
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# OK, now turn auto refresh back on to display
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display.auto_refresh = True
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# Initial update
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text = "TEXT,ME"
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color = 0x00FFFF
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update_heart(text, color)
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# Loop forever
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while True:
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# advertise and wait for connection
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print("WAITING...")
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ble.start_advertising(advertisement)
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while not ble.connected:
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pass
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# connected
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print("CONNECTED")
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ble.stop_advertising()
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# receive and handle BLE traffic
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while ble.connected:
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if uart.in_waiting:
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raw_bytes = uart.read(uart.in_waiting)
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if raw_bytes[0] == ord('!'):
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# BLE Connect Control Packet
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packet = Packet.from_bytes(raw_bytes)
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if isinstance(packet, ColorPacket):
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print("color = ", color)
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color = packet.color
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else:
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# Just plain text
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text = raw_bytes.decode("utf-8").strip()
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print("text = ", text)
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update_heart(text, color)
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# disconnected
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print("DISCONNECTED")
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75
TFT_Gizmo_Candy_Hearts/clue_hearts.py
Executable file
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TFT_Gizmo_Candy_Hearts/clue_hearts.py
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import time
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from random import choice
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import board
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import displayio
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import adafruit_imageload
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from adafruit_bitmap_font import bitmap_font
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from adafruit_display_text import label
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from adafruit_clue import clue
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#---| User Config |--------------------------------------------------
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HEART_MESSAGES = (
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("I LUV", "YOU"),
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("SAY", "YES"),
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("HUG", "ME"),
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("BE", "MINE"),
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("TEXT","ME"),
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("OMG","LOL"),
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("PEACE",""),
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)
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HEART_COLORS = (
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0xEAFF50, # yellow
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0xFFAD50, # orange
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0x9D50FF, # purple
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0x13B0FE, # blue
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0xABFF96, # green
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0xFF96FF, # pink
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)
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MESSAGE_COLORS = (
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0xFF0000, # red
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)
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#---| User Config |--------------------------------------------------
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# Create the display
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display = board.DISPLAY
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# Load the candy heart BMP
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bitmap, palette = adafruit_imageload.load("/heart_bw.bmp",
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bitmap=displayio.Bitmap,
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palette=displayio.Palette)
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heart = displayio.TileGrid(bitmap, pixel_shader=palette)
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# Set up message text
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font = bitmap_font.load_font("/Multicolore_36.bdf")
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line1 = label.Label(font, text="?"*9)
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line2 = label.Label(font, text="?"*5)
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line1.anchor_point = (0.5, 0) # middle top
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line2.anchor_point = (0.5, 1.0) # middle bottom
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# Set up group and add to display
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group = displayio.Group()
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group.append(heart)
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group.append(line1)
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group.append(line2)
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display.show(group)
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while True:
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# turn off auto refresh while we change some things
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display.auto_refresh = False
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# pick a random message
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line1.text, line2.text = choice(HEART_MESSAGES)
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# update location for new text bounds
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line1.anchored_position = (120, 85)
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line2.anchored_position = (120, 175)
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# pick a random text color
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line1.color = line2.color = choice(MESSAGE_COLORS)
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# pick a ranomd heart color
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palette[1] = choice(HEART_COLORS)
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# OK, now turn auto refresh back on to display
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display.auto_refresh = True
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# wait for button press
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while not clue.button_a and not clue.button_b:
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pass
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# just a little debounce
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time.sleep(0.25)
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