From 5d1fd3a02fa2a56521e9c099f78ca7923039e8b2 Mon Sep 17 00:00:00 2001 From: Fabio Manganiello Date: Thu, 6 Sep 2018 02:47:47 +0200 Subject: [PATCH] Precision parameter added to accelerometer plugin --- .../gpio/sensor/accelerometer/__init__.py | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/platypush/plugins/gpio/sensor/accelerometer/__init__.py b/platypush/plugins/gpio/sensor/accelerometer/__init__.py index 11c592dd0..c4d4527fb 100644 --- a/platypush/plugins/gpio/sensor/accelerometer/__init__.py +++ b/platypush/plugins/gpio/sensor/accelerometer/__init__.py @@ -16,12 +16,15 @@ class GpioSensorAccelerometerPlugin(GpioSensorPlugin): * ``Adafruit_Python_GPIO`` (``pip install Adafruit_Python_GPIO``) """ - def __init__(self, g=4, *args, **kwargs): + def __init__(self, g=4, precision=None, *args, **kwargs): """ Only LIS3DH in I2C mode is currently supported: https://learn.adafruit.com/assets/59080. :param g: Accelerometer range as a multiple of G - can be 2G, 4G, 8G or 16G :type g: int + + :param precision: If set, the position values will be rounded to the specified number of decimal digits (default: no rounding) + :type precision: int """ super().__init__(*args, **kwargs) @@ -38,6 +41,7 @@ class GpioSensorAccelerometerPlugin(GpioSensorPlugin): else: raise RuntimeError('Invalid G range: {}'.format(g)) + self.precision = precision self.sensor = LIS3DH() self.sensor.setRange(self.g) @@ -50,11 +54,12 @@ class GpioSensorAccelerometerPlugin(GpioSensorPlugin): :returns: The sensor's current position as a dictionary with the three components (x,y,z) in degrees, each between -90 and 90 """ - return { - 'x': self.sensor.getX()*100, - 'y': self.sensor.getY()*100, - 'z': self.sensor.getZ()*100 - } + values = [ + (pos*100 if self.precision is None else round(pos*100, self.precision)) + for pos in (self.sensor.getX(), self.sensor.getY(), self.sensor.getZ()) + ] + + return { 'x': values[0], 'y': values[1], 'z': values[2] } # vim:sw=4:ts=4:et: