Merge branch 'use-generic-variables' of git://github.com/cipy/enviroplus-python into...
[EVA-2020-02-2.git] / examples / all-in-one.py
index 63439519670181ad5e6467e057aa6556588d7cf8..85a9a155ce8e7c12860f64c3e394cc0bfabe056b 100755 (executable)
@@ -8,14 +8,20 @@ import ST7735
 import ltr559
 
 from bme280 import BME280
-from pms5003 import PMS5003
+from pms5003 import PMS5003, ReadTimeoutError as pmsReadTimeoutError
 from enviroplus import gas
 from subprocess import PIPE, Popen
 from PIL import Image
 from PIL import ImageDraw
 from PIL import ImageFont
+import logging
 
-print("""all-in-one.py - Displays readings from all of Enviro plus' sensors
+logging.basicConfig(
+    format='%(asctime)s.%(msecs)03d %(levelname)-8s %(message)s',
+    level=logging.INFO,
+    datefmt='%Y-%m-%d %H:%M:%S')
+
+logging.info("""all-in-one.py - Displays readings from all of Enviro plus' sensors
 
 Press Ctrl+C to exit!
 
@@ -64,7 +70,7 @@ 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
@@ -187,7 +193,7 @@ try:
             unit = "ug/m3"
             try:
                 data = pms5003.read()
-            except pms5003.ReadTimeoutError:
+            except pmsReadTimeoutError:
                 pass
             else:
                 data = data.pm_ug_per_m3(1.0)
@@ -196,16 +202,24 @@ try:
         if mode == 8:
             # variable = "pm25"
             unit = "ug/m3"
-            data = pms5003.read()
-            data = data.pm_ug_per_m3(2.5)
-            display_text(variables[mode], data, unit)
+            try:
+                data = pms5003.read()
+            except pmsReadTimeoutError:
+                pass
+            else:
+                data = data.pm_ug_per_m3(2.5)
+                display_text(variables[mode], data, unit)
 
         if mode == 9:
             # variable = "pm10"
             unit = "ug/m3"
-            data = pms5003.read()
-            data = data.pm_ug_per_m3(10)
-            display_text(variables[mode], data, unit)
+            try:
+                data = pms5003.read()
+            except pmsReadTimeoutError:
+                pass
+            else:
+                data = data.pm_ug_per_m3(10)
+                display_text(variables[mode], data, unit)
 
 # Exit cleanly
 except KeyboardInterrupt: