Implementation of VL6180X sensor

Author: tomekmalek

7_distance_and_light_sensor.py

@@ -0,0 +1,42 @@
+#
+# Copyright (C) Orange
+#
+# This software is distributed under the terms and conditions of the 'MIT'
+# license which can be found in the file 'LICENSE.md' in this package distribution
+import sys
+import time
+import LiveObjects
+
+import busio
+import adafruit_vl6180x
+
+try:
+    import board
+except NotImplementedError:     # if no I2C device
+    sys.exit()
+
+# Create I2C bus
+i2c = busio.I2C(board.SCL, board.SDA)
+# Create sensor instance.
+sensor = adafruit_vl6180x.VL6180X(i2c)
+# You can add an offset to distance measurements here (e.g. calibration)
+# Swapping for the following would add a +10 millimeter offset to measurements:
+# sensor = adafruit_vl6180x.VL6180X(i2c, offset=10)
+
+# Create LiveObjects
+lo = LiveObjects.Connection()
+
+MESSAGE_RATE = 5
+
+# Main program
+lo.connect()		                    # Connect to LiveObjects
+last = uptime = time.time()
+
+while True:
+    if (time.time()) >= last + MESSAGE_RATE:
+        # lo.add_to_payload("uptime", int(time.time() - uptime))  # Add value to payload: name - value
+        lo.add_to_payload("distance", sensor.range)
+        lo.add_to_payload("ambient_light", sensor.read_lux(adafruit_vl6180x.ALS_GAIN_1))
+        lo.send_data()  # Sending data to cloud
+        last = time.time()
+        lo.loop() 						# Check for incoming messages and if connection is still active

LiveObjects/hal.py

@@ -210,10 +210,24 @@ def get_client_id(self):
         return self.get_lang_str() + ':' + get_mac()
 
 
+class RaspberryPi(Linux):
+    pass
+
+
+def is_raspberrypi():
+    try:
+        with open('/proc/device-tree/model') as f:
+            return f.read().startswith('Raspberry')
+    except FileNotFoundError:
+        return False
+
+
 class BoardsFactory:
 
     def __new__(cls, net_type):
         s = sys.platform
         sn = s[0].upper() + s[1:]   # capitalize first letter
+        if sn == 'Linux':
+            sn = 'RaspberryPi' if is_raspberrypi() else 'Linux'
         board = eval(sn)(net_type)  # instance of board w/ net type: WiFi, LTE, etc.
         return board