Adafruit_Learning_System_Gu.../CircuitPython_Pyloton/code.py
2020-02-14 22:51:53 -05:00

54 lines
1.4 KiB
Python

"""
Read heart rate data from a heart rate peripheral using the standard BLE
Heart Rate service.
"""
from time import time
import adafruit_ble
import board
from adafruit_ble_heart_rate import HeartRateService
import pyloton
# PyLint can't find BLERadio for some reason so special case it here.
ble = adafruit_ble.BLERadio() # pylint: disable=no-member
display = board.DISPLAY
# 84.229 is wheel circumference (700x23 in my case)
pyloton = pyloton.Pyloton(ble, display, 84.229)
pyloton.show_splash()
pyloton.ams_connect()
hr_connection = None
start = time()
hr_connection = None
speed_cad_connections = []
radio = None
while True:
if not hr_connection:
print("Running hr_connection")
hr_connection = pyloton.heart_connect()
ble.stop_scan()
if not speed_cad_connections:
print("Running speed_cad_connection")
speed_cad_connections = pyloton.speed_cad_connect()
if time()-start >= 45:
pyloton.timeout()
break
# Stop scanning whether or not we are connected.
ble.stop_scan()
if hr_connection and hr_connection.connected and speed_cad_connections:
#if speed_cad_connections:
print("Fetch connection")
hr_service = hr_connection[HeartRateService]
#hr_service = None
print("Location:", hr_service.location)
pyloton.setup_display()
break
while hr_connection.connected:
pyloton.update_display()
pyloton.ams_remote()