Merge pull request adafruit#1020 from dherrada/master

[WIP] Pyloton

Author: ladyada

CircuitPython_Pyloton/blinka-pyloton.bmp

@@ -0,0 +1,60 @@
+from time import time
+import adafruit_ble
+import board
+import pyloton
+
+ble = adafruit_ble.BLERadio()    # pylint: disable=no-member
+
+CONNECTION_TIMEOUT = 45
+
+HEART = True
+SPEED = True
+CADENCE = True
+AMS = True
+DEBUG = False
+
+# 84.229 is wheel circumference (700x23 in my case)
+pyloton = pyloton.Pyloton(ble, board.DISPLAY, 84.229, HEART, SPEED, CADENCE, AMS, DEBUG)
+
+pyloton.show_splash()
+
+ams = pyloton.ams_connect()
+
+
+start = time()
+hr_connection = None
+speed_cadence_connections = []
+while True:
+    if HEART:
+        if not hr_connection:
+            print("Attempting to connect to a heart rate monitor")
+            hr_connection = pyloton.heart_connect()
+            ble.stop_scan()
+    if SPEED or CADENCE:
+        if not speed_cadence_connections:
+            print("Attempting to connect to speed and cadence monitors")
+            speed_cadence_connections = pyloton.speed_cadence_connect()
+
+    if time()-start >= CONNECTION_TIMEOUT:
+        pyloton.timeout()
+        break
+    # Stop scanning whether or not we are connected.
+    ble.stop_scan()
+
+    #pylint: disable=too-many-boolean-expressions
+    if ((not HEART or (hr_connection and hr_connection.connected)) and
+            ((not SPEED and not CADENCE) or
+             (speed_cadence_connections and speed_cadence_connections[0].connected)) and
+            (not AMS or (ams and ams.connected))):
+        break
+
+pyloton.setup_display()
+
+while ((not HEART or hr_connection.connected) and
+       ((not SPEED or not CADENCE) or
+        (speed_cadence_connections and speed_cadence_connections[0].connected)) and
+       (not AMS or ams.connected)):
+    pyloton.update_display()
+    pyloton.ams_remote()
+
+print("\n\nNot all sensors are connected. Please reset to try again\n\n")