adding inclinometer example

Author: FoamyGuy

examples/lsm303_accel_inclinometer.py

@@ -0,0 +1,37 @@
+""" Display inclination data five times per second """
+
+import time
+import board
+import busio
+import adafruit_lsm303_accel
+from math import atan2, degrees
+
+i2c = busio.I2C(board.SCL, board.SDA)
+sensor = adafruit_lsm303_accel.LSM303_Accel(i2c)
+
+
+def vector_2_degrees(x, y):
+    radians = atan2(y, x)
+    degrees_calc = degrees(radians)
+    if degrees_calc < 0:
+        degrees_calc = 360 + degrees_calc
+    return degrees_calc
+
+
+def get_inclination(_sensor):
+    return get_inclination_respect_x(_sensor), get_inclination_respect_y(_sensor)
+
+
+def get_inclination_respect_x(_sensor):
+    accel_axis_data = _sensor.acceleration
+    return vector_2_degrees(accel_axis_data[0], accel_axis_data[2])
+
+
+def get_inclination_respect_y(_sensor):
+    accel_axis_data = _sensor.acceleration
+    return vector_2_degrees(accel_axis_data[1], accel_axis_data[2])
+
+
+while True:
+    print("inclination: (%s, %s)" % (get_inclination(sensor)))
+    time.sleep(0.2)