fix(examples):Add delay to throw away bad initial sensor reading

[EVA-2020-02-2.git] / examples / all-in-one.py

diff --git a/examples/all-in-one.py b/examples/all-in-one.py
index eef99c36b7eea36846073685af9f371823e5642b..f7933a9e78b9f7603b642e2cad07b0d67e27f945 100755 (executable)
--- a/examples/all-in-one.py
+++ b/examples/all-in-one.py
@@ -1,11 +1,15 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3

 
 import time
 import colorsys
 
 import time
 import colorsys

-import os

 import sys
 import ST7735
 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 pms5003 import PMS5003, ReadTimeoutError as pmsReadTimeoutError
 
 from bme280 import BME280
 from pms5003 import PMS5003, ReadTimeoutError as pmsReadTimeoutError


@@ -14,6 +18,7 @@ from subprocess import PIPE, Popen
 from PIL import Image
 from PIL import ImageDraw
 from PIL import ImageFont
 from PIL import Image
 from PIL import ImageDraw
 from PIL import ImageFont

+from fonts.ttf import RobotoMedium as UserFont

 import logging
 
 logging.basicConfig(
 import logging
 
 logging.basicConfig(


@@ -52,8 +57,8 @@ HEIGHT = st7735.height
 # Set up canvas and font
 img = Image.new('RGB', (WIDTH, HEIGHT), color=(0, 0, 0))
 draw = ImageDraw.Draw(img)
 # Set up canvas and font
 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, font_size)

 
 message = ""
 
 
 message = ""
 


@@ -66,8 +71,9 @@ def display_text(variable, data, unit):
     # Maintain length of list
     values[variable] = values[variable][1:] + [data]
     # Scale the values for the variable between 0 and 1
     # Maintain length of list
     values[variable] = values[variable][1:] + [data]
     # Scale the values for the variable between 0 and 1

-    colours = [(v - min(values[variable]) + 1) / (max(values[variable])
-               - min(values[variable]) + 1) for v in values[variable]]
+    vmin = min(values[variable])
+    vmax = max(values[variable])
+    colours = [(v - vmin + 1) / (vmax - vmin + 1) for v in values[variable]]

     # Format the variable name and value
     message = "{}: {:.1f} {}".format(variable[:4], data, unit)
     logging.info(message)
     # Format the variable name and value
     message = "{}: {:.1f} {}".format(variable[:4], data, unit)
     logging.info(message)


@@ -75,14 +81,12 @@ def display_text(variable, data, unit):
     for i in range(len(colours)):
         # Convert the values to colours from red to blue
         colour = (1.0 - colours[i]) * 0.6
     for i in range(len(colours)):
         # Convert the values to colours from red to blue
         colour = (1.0 - colours[i]) * 0.6

-        r, g, b = [int(x * 255.0) for x in colorsys.hsv_to_rgb(colour,
-                   1.0, 1.0)]
+        r, g, b = [int(x * 255.0) for x in colorsys.hsv_to_rgb(colour, 1.0, 1.0)]

         # Draw a 1-pixel wide rectangle of colour
         # Draw a 1-pixel wide rectangle of colour

-        draw.rectangle((i, top_pos, i+1, HEIGHT), (r, g, b))
+        draw.rectangle((i, top_pos, i + 1, HEIGHT), (r, g, b))

         # Draw a line graph in black
         # Draw a line graph in black

-        line_y = HEIGHT - (top_pos + (colours[i] * (HEIGHT - top_pos)))\
-                 + top_pos
-        draw.rectangle((i, line_y, i+1, line_y+1), (0, 0, 0))
+        line_y = HEIGHT - (top_pos + (colours[i] * (HEIGHT - top_pos))) + top_pos
+        draw.rectangle((i, line_y, i + 1, line_y + 1), (0, 0, 0))

     # Write the text at the top in black
     draw.text((0, 0), message, font=font, fill=(0, 0, 0))
     st7735.display(img)
     # Write the text at the top in black
     draw.text((0, 0), message, font=font, fill=(0, 0, 0))
     st7735.display(img)


@@ -97,7 +101,7 @@ def get_cpu_temperature():
 
 # Tuning factor for compensation. Decrease this number to adjust the
 # temperature down, and increase to adjust up
 
 # 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 = [get_cpu_temperature()] * 5
 
 
 cpu_temps = [get_cpu_temperature()] * 5
 


@@ -194,9 +198,9 @@ try:
             try:
                 data = pms5003.read()
             except pmsReadTimeoutError:
             try:
                 data = pms5003.read()
             except pmsReadTimeoutError:

-                logging.warn("Failed to read PMS5003")
+                logging.warning("Failed to read PMS5003")

             else:
             else:

-                data = data.pm_ug_per_m3(1.0)
+                data = float(data.pm_ug_per_m3(1.0))

                 display_text(variables[mode], data, unit)
 
         if mode == 8:
                 display_text(variables[mode], data, unit)
 
         if mode == 8:


@@ -205,9 +209,9 @@ try:
             try:
                 data = pms5003.read()
             except pmsReadTimeoutError:
             try:
                 data = pms5003.read()
             except pmsReadTimeoutError:

-                logging.warn("Failed to read PMS5003")
+                logging.warning("Failed to read PMS5003")

             else:
             else:

-                data = data.pm_ug_per_m3(2.5)
+                data = float(data.pm_ug_per_m3(2.5))

                 display_text(variables[mode], data, unit)
 
         if mode == 9:
                 display_text(variables[mode], data, unit)
 
         if mode == 9:


@@ -216,9 +220,9 @@ try:
             try:
                 data = pms5003.read()
             except pmsReadTimeoutError:
             try:
                 data = pms5003.read()
             except pmsReadTimeoutError:

-                logging.warn("Failed to read PMS5003")
+                logging.warning("Failed to read PMS5003")

             else:
             else:

-                data = data.pm_ug_per_m3(10)
+                data = float(data.pm_ug_per_m3(10))

                 display_text(variables[mode], data, unit)
 
 # Exit cleanly
                 display_text(variables[mode], data, unit)
 
 # Exit cleanly