[20211213] as requested by @FoamyGuy, add example code using TextPacket

Author: TonyLHansen

examples/bluefruitconnect_simpletest2.py

@@ -0,0 +1,36 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
+# Print out the color data from ColorPackets and text data from TextPackets.
+# To use, start this program, and start the Adafruit Bluefruit LE Connect app.
+# Connect, and then select colors on the Controller->Color Picker screen.
+# Select text by entering the UART screen and sending in in a string.
+# (Do NOT use a "!" as part of your string.)
+
+from adafruit_ble import BLERadio
+from adafruit_ble.advertising.standard import ProvideServicesAdvertisement
+from adafruit_ble.services.nordic import UARTService
+from adafruit_bluefruit_connect.packet import Packet
+
+# Only the packet classes that are imported will be known to Packet.
+from adafruit_bluefruit_connect.color_packet import ColorPacket
+from adafruit_bluefruit_connect.text_packet import TextPacket
+
+ble = BLERadio()
+uart_server = UARTService()
+advertisement = ProvideServicesAdvertisement(uart_server)
+
+while True:
+    # Advertise when not connected.
+    ble.start_advertising(advertisement)
+    while not ble.connected:
+        pass
+
+    while ble.connected:
+        packet = Packet.from_stream(uart_server)
+        if isinstance(packet, ColorPacket):
+            print(packet.color)
+        elif isinstance(packet, TextPacket):
+            print("Received Text Packet:")
+            print(packet.text)
+