Adding all in one weather and light display example
[EVA-2020-02-2.git] / examples / all-in-one.py
index 74b49581cd94681d71a6c4c889707d08b9246111..03e4d5880d186e4cede2112ac836119b593b72f6 100755 (executable)
@@ -5,7 +5,12 @@ 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 pms5003 import PMS5003, ReadTimeoutError as pmsReadTimeoutError
@@ -14,8 +19,14 @@ from subprocess import PIPE, Popen
 from PIL import Image
 from PIL import ImageDraw
 from PIL import ImageFont
+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!
 
@@ -64,7 +75,7 @@ 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
@@ -96,7 +107,7 @@ factor = 0.8
 cpu_temps = [get_cpu_temperature()] * 5
 
 delay = 0.5  # Debounce the proximity tap
-mode = 0  # The starting mode
+mode = 0     # The starting mode
 last_page = 0
 light = 1
 
@@ -188,9 +199,9 @@ try:
             try:
                 data = pms5003.read()
             except pmsReadTimeoutError:
-                pass
+                logging.warn("Failed to read PMS5003")
             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:
@@ -199,9 +210,9 @@ try:
             try:
                 data = pms5003.read()
             except pmsReadTimeoutError:
-                pass
+                logging.warn("Failed to read PMS5003")
             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:
@@ -210,9 +221,9 @@ try:
             try:
                 data = pms5003.read()
             except pmsReadTimeoutError:
-                pass
+                logging.warn("Failed to read PMS5003")
             else:
-                data = data.pm_ug_per_m3(10)
+                data = float(data.pm_ug_per_m3(10))
                 display_text(variables[mode], data, unit)
 
 # Exit cleanly