Merge pull request #53 from pimoroni/enviro-non-plus

[EVA-2020-02-2.git] / examples / all-in-one-no-pm.py

diff --git a/examples/all-in-one-no-pm.py b/examples/all-in-one-no-pm.py
index 367ebeb0854926c4ad5bf6d145444c85b3a18172..db1ca8c9e32f62ffb613b2a12eaf77b05a9e517f 100755 (executable)
--- a/examples/all-in-one-no-pm.py
+++ b/examples/all-in-one-no-pm.py
@@ -1,11 +1,16 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import time
 import colorsys
 import os
 import sys
 import ST7735
-import ltr559
+try:
+    # Transitional fix for breaking change in LTR559
+    from ltr559 import LTR559
+    ltr559 = LTR559()
+except ImportError:
+    import ltr559
 
 from bme280 import BME280
 from enviroplus import gas
@@ -13,8 +18,15 @@ from subprocess import PIPE, Popen
 from PIL import Image
 from PIL import ImageDraw
 from PIL import ImageFont
+from fonts.ttf import RobotoMedium as UserFont
+import logging
+
+logging.basicConfig(
+    format='%(asctime)s.%(msecs)03d %(levelname)-8s %(message)s',
+    level=logging.INFO,
+    datefmt='%Y-%m-%d %H:%M:%S')
 
-print("""all-in-one.py - Displays readings from all of Enviro plus' sensors
+logging.info("""all-in-one.py - Displays readings from all of Enviro plus' sensors
 Press Ctrl+C to exit!
 """)
 
@@ -41,7 +53,8 @@ HEIGHT = st7735.height
 img = Image.new('RGB', (WIDTH, HEIGHT), color=(0, 0, 0))
 draw = ImageDraw.Draw(img)
 path = os.path.dirname(os.path.realpath(__file__))
-font = ImageFont.truetype(path + "/fonts/Asap/Asap-Bold.ttf", 20)
+font_size = 20
+font = ImageFont.truetype(UserFont, FontSize)
 
 message = ""
 
@@ -58,7 +71,7 @@ def display_text(variable, data, unit):
                - min(values[variable]) + 1) for v in values[variable]]
     # Format the variable name and value
     message = "{}: {:.1f} {}".format(variable[:4], data, unit)
-    print(message)
+    logging.info(message)
     draw.rectangle((0, 0, WIDTH, HEIGHT), (255, 255, 255))
     for i in range(len(colours)):
         # Convert the values to colours from red to blue
@@ -78,16 +91,16 @@ def display_text(variable, data, unit):
 
 # Get the temperature of the CPU for compensation
 def get_cpu_temperature():
-    process = Popen(['vcgencmd', 'measure_temp'], stdout=PIPE)
+    process = Popen(['vcgencmd', 'measure_temp'], stdout=PIPE, universal_newlines=True)
     output, _error = process.communicate()
     return float(output[output.index('=') + 1:output.rindex("'")])
 
 
 # Tuning factor for compensation. Decrease this number to adjust the
 # temperature down, and increase to adjust up
-factor = 0.8
+factor = 2.25
 
-cpu_temps = [0] * 5
+cpu_temps = [get_cpu_temperature()] * 5
 
 delay = 0.5  # Debounce the proximity tap
 mode = 0  # The starting mode
@@ -121,7 +134,7 @@ try:
 
         # One mode for each variable
         if mode == 0:
-            variable = "temperature"
+            # variable = "temperature"
             unit = "C"
             cpu_temp = get_cpu_temperature()
             # Smooth out with some averaging to decrease jitter
@@ -129,49 +142,49 @@ try:
             avg_cpu_temp = sum(cpu_temps) / float(len(cpu_temps))
             raw_temp = bme280.get_temperature()
             data = raw_temp - ((avg_cpu_temp - raw_temp) / factor)
-            display_text(variable, data, unit)
+            display_text(variables[mode], data, unit)
 
         if mode == 1:
-            variable = "pressure"
+            # variable = "pressure"
             unit = "hPa"
             data = bme280.get_pressure()
-            display_text(variable, data, unit)
+            display_text(variables[mode], data, unit)
 
         if mode == 2:
-            variable = "humidity"
+            # variable = "humidity"
             unit = "%"
             data = bme280.get_humidity()
-            display_text(variable, data, unit)
+            display_text(variables[mode], data, unit)
 
         if mode == 3:
-            variable = "light"
+            # variable = "light"
             unit = "Lux"
             if proximity < 10:
                 data = ltr559.get_lux()
             else:
                 data = 1
-            display_text(variable, data, unit)
+            display_text(variables[mode], data, unit)
 
         if mode == 4:
-            variable = "oxidised"
+            # variable = "oxidised"
             unit = "kO"
             data = gas.read_all()
             data = data.oxidising / 1000
-            display_text(variable, data, unit)
+            display_text(variables[mode], data, unit)
 
         if mode == 5:
-            variable = "reduced"
+            # variable = "reduced"
             unit = "kO"
             data = gas.read_all()
             data = data.reducing / 1000
-            display_text(variable, data, unit)
+            display_text(variables[mode], data, unit)
 
         if mode == 6:
-            variable = "nh3"
+            # variable = "nh3"
             unit = "kO"
             data = gas.read_all()
             data = data.nh3 / 1000
-            display_text(variable, data, unit)
+            display_text(variables[mode], data, unit)
 
 # Exit cleanly
 except KeyboardInterrupt: