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Merge branch 'master' into master
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‎Adafruit_ESP32_Arduino_Demos/SerialESPPassthrough/Airlift-BitsyWing-FeatherWing-Passthru.UF2

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‎BLE_Heart_Rate_Trainer/ble_heart_rate_trainer.py

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"""
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Heart Rate Trainer
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Read heart rate data from a heart rate peripheral using the standard BLE
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Heart Rate service.
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Displays BPM value to Seven Segment FeatherWing
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Displays percentage of max heart rate on another 7Seg FeatherWing
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"""
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import time
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import board
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import adafruit_ble
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from adafruit_ble.advertising.standard import ProvideServicesAdvertisement
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from adafruit_ble.services.standard.device_info import DeviceInfoService
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from adafruit_ble_heart_rate import HeartRateService
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from adafruit_ht16k33.segments import Seg7x4
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from digitalio import DigitalInOut, Direction
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# Feather on-board status LEDs setup
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red_led = DigitalInOut(board.RED_LED)
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red_led.direction = Direction.OUTPUT
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red_led.value = True
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blue_led = DigitalInOut(board.BLUE_LED)
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blue_led.direction = Direction.OUTPUT
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blue_led.value = False
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# target heart rate for interval training
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# Change this number depending on your max heart rate, usually figured
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# as (220 - your age).
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max_rate = 180
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# Seven Segment FeatherWing setup
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i2c = board.I2C()
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display_A = Seg7x4(i2c, address=0x70) # this will be the BPM display
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display_A.brightness = 15
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display_A.fill(0) # Clear the display
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# Second display has A0 address jumpered
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display_B = Seg7x4(i2c, address=0x71) # this will be the % target display
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display_B.brightness = 15
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display_B.fill(0) # Clear the display
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# display_A "b.P.M."
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display_A.set_digit_raw(0, 0b11111100)
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display_A.set_digit_raw(1, 0b11110011)
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display_A.set_digit_raw(2, 0b00110011)
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display_A.set_digit_raw(3, 0b10100111)
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# display_B "Prct"
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display_B.set_digit_raw(0, 0b01110011)
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display_B.set_digit_raw(1, 0b01010000)
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display_B.set_digit_raw(2, 0b01011000)
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display_B.set_digit_raw(3, 0b01000110)
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time.sleep(3)
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display_A.fill(0)
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for h in range(4):
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display_A.set_digit_raw(h, 0b10000000)
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# display_B show maximum heart rate value
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display_B.fill(0)
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display_B.print(max_rate)
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time.sleep(2)
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# PyLint can't find BLERadio for some reason so special case it here.
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ble = adafruit_ble.BLERadio() # pylint: disable=no-member
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hr_connection = None
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def display_SCAN():
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display_A.fill(0)
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display_A.set_digit_raw(0, 0b01101101)
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display_A.set_digit_raw(1, 0b00111001)
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display_A.set_digit_raw(2, 0b01110111)
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display_A.set_digit_raw(3, 0b00110111)
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def display_bLE():
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display_B.fill(0)
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display_B.set_digit_raw(0, 0b00000000)
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display_B.set_digit_raw(1, 0b01111100)
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display_B.set_digit_raw(2, 0b00111000)
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display_B.set_digit_raw(3, 0b01111001)
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def display_dots(): # "...."
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for j in range(4):
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display_A.set_digit_raw(j, 0b10000000)
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display_B.set_digit_raw(j, 0b10000000)
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def display_dashes(): # "----"
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for k in range(4):
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display_A.set_digit_raw(k, 0b01000000)
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display_B.set_digit_raw(k, 0b01000000)
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# Start with a fresh connection.
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if ble.connected:
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display_SCAN()
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display_bLE()
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time.sleep(1)
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for connection in ble.connections:
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if HeartRateService in connection:
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connection.disconnect()
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break
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while True:
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print("Scanning...")
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red_led.value = True
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blue_led.value = False
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display_SCAN()
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display_bLE()
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time.sleep(1)
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for adv in ble.start_scan(ProvideServicesAdvertisement, timeout=5):
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if HeartRateService in adv.services:
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print("found a HeartRateService advertisement")
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hr_connection = ble.connect(adv)
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display_dots()
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time.sleep(2)
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print("Connected")
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blue_led.value = True
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red_led.value = False
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break
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# Stop scanning whether or not we are connected.
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ble.stop_scan()
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print("Stopped scan")
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red_led.value = False
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blue_led.value = True
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time.sleep(0.5)
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if hr_connection and hr_connection.connected:
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print("Fetch connection")
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if DeviceInfoService in hr_connection:
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dis = hr_connection[DeviceInfoService]
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try:
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manufacturer = dis.manufacturer
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except AttributeError:
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manufacturer = "(Manufacturer Not specified)"
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try:
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model_number = dis.model_number
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except AttributeError:
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model_number = "(Model number not specified)"
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print("Device:", manufacturer, model_number)
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else:
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print("No device information")
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hr_service = hr_connection[HeartRateService]
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print("Location:", hr_service.location)
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while hr_connection.connected:
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values = hr_service.measurement_values
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print(values) # returns the full heart_rate data set
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if values:
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bpm = (values.heart_rate)
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if bpm is not 0:
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pct_target = (round(100*(bpm/max_rate)))
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display_A.fill(0) # clear the display
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display_B.fill(0)
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if values.heart_rate is 0:
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display_dashes()
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else:
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display_A.fill(0)
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display_B.print(pct_target)
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time.sleep(0.1)
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display_A.print(bpm)
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time.sleep(0.9)
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display_A.set_digit_raw(0, 0b00000000)

‎BLE_Synth/cpb_amp_code.py

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'''BLE Synth
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File for the Circuit Playground Bluefruit
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Amp Portion'''
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from adafruit_circuitplayground.bluefruit import cpb
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from adafruit_led_animation.animation import Comet, AnimationGroup,\
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AnimationSequence
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import adafruit_led_animation.color as color
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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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from adafruit_bluefruit_connect.button_packet import ButtonPacket
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# easily call for NeoPixels to be off
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off = (0, 0, 0)
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# state to debounce on CPB end
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tone = False
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# Setup for comet animation
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COMET_SPEED = 0.04 # Lower numbers increase the animation speed
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CPB_COMET_TAIL_LENGTH = 5 # The length of the comet on the Circuit Playground Bluefruit
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CPB_COMET_BOUNCE = False # Set to True to make the comet "bounce" the opposite direction on CPB
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animations = AnimationSequence(
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AnimationGroup(
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Comet(cpb.pixels, COMET_SPEED, off, tail_length=CPB_COMET_TAIL_LENGTH,
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bounce=CPB_COMET_BOUNCE)))
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# note frequencies
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C4 = 261.63
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Csharp4 = 277.18
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D4 = 293.66
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Dsharp4 = 311.13
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E4 = 329.63
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F4 = 349.23
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Fsharp4 = 369.99
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G4 = 392
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Gsharp4 = 415.3
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A4 = 440
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Asharp4 = 466.16
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B4 = 493.88
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# note array
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note = [C4, Csharp4, D4, Dsharp4, E4, F4,
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Fsharp4, G4, Gsharp4, A4, Asharp4, B4]
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# colors to recieve from color packet & for neopixels
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color_C = color.RED
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color_Csharp = color.ORANGE
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color_D = color.YELLOW
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color_Dsharp = color.GREEN
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color_E = color.TEAL
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color_F = color.CYAN
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color_Fsharp = color.BLUE
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color_G = color.PURPLE
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color_Gsharp = color.MAGENTA
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color_A = color.GOLD
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color_Asharp = color.PINK
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color_B = color.WHITE
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# color array
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color = [color_C, color_Csharp, color_D, color_Dsharp, color_E,
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color_F, color_Fsharp, color_G, color_Gsharp, color_A,
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color_Asharp, color_B]
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# Setup BLE connection
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ble = BLERadio()
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uart = UARTService()
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advertisement = ProvideServicesAdvertisement(uart)
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while True:
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# connect via BLE
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ble.start_advertising(advertisement) # Start advertising.
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was_connected = False
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while not was_connected or ble.connected:
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if ble.connected: # If BLE is connected...
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was_connected = True
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# start animations
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animations.animate()
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# look for packets
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if uart.in_waiting:
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try:
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packet = Packet.from_stream(uart) # Create the packet object.
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except ValueError:
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continue
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# if it's a color packet:
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if isinstance(packet, ColorPacket):
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for i in range(12):
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colors = color[i]
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notes = note[i]
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# if the packet matches one of our colors:
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if packet.color == colors and not tone:
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# animate with that color
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animations.color = colors
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# play matching note
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cpb.start_tone(notes)
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tone = True
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# if it's a button packet aka feather's button has been released:
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elif isinstance(packet, ButtonPacket) and packet.pressed:
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if packet.button == ButtonPacket.RIGHT and tone:
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tone = False
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# stop playing the note
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cpb.stop_tone()
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# turn off the neopixels but keep animation active
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animations.color = off

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