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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

Lines changed: 169 additions & 0 deletions
Original file line numberDiff line numberDiff line change
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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)

‎CPB_AMS_Gizmo_BLE/cpb_ams_gizmo_ble.py

Lines changed: 24 additions & 24 deletions
Original file line numberDiff line numberDiff line change
@@ -98,35 +98,35 @@ def set_status(label, action_text, player):
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group.append(border)
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while radio.connected:
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try:
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for connection in radio.connections:
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for connection in radio.connections:
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try:
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if not connection.paired:
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connection.pair()
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print("paired")
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ams = connection[AppleMediaService]
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set_label(title_label, ams.title, 18)
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set_label(album_label, ams.album, 21)
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set_label(artist_label, ams.artist, 21)
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action = "?"
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if ams.playing:
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action = "Playing"
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elif ams.paused:
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action = "Paused"
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set_status(status_label, action, ams.player_name)
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if cp.button_a:
118-
ams.toggle_play_pause()
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time.sleep(0.1)
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if cp.button_b:
122-
if cp.switch:
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ams.previous_track()
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else:
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ams.next_track()
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time.sleep(0.1)
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except (RuntimeError, UnsupportedCommand):
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# Skip Bad Packets, unknown commands, etc.
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pass
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except (RuntimeError, UnsupportedCommand, AttributeError):
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# Skip Bad Packets, unknown commands, etc.
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continue
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set_label(title_label, ams.title, 18)
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set_label(album_label, ams.album, 21)
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set_label(artist_label, ams.artist, 21)
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action = "?"
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if ams.playing:
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action = "Playing"
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elif ams.paused:
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action = "Paused"
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set_status(status_label, action, ams.player_name)
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if cp.button_a:
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ams.toggle_play_pause()
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time.sleep(0.1)
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if cp.button_b:
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if cp.switch:
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ams.previous_track()
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else:
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ams.next_track()
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time.sleep(0.1)
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print("disconnected")
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# Remove all layers

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