Merge branch 'cipy-use-generic-variables'
authorPhil Howard <phil@gadgetoid.com>
Tue, 20 Aug 2019 15:34:31 +0000 (16:34 +0100)
committerPhil Howard <phil@gadgetoid.com>
Tue, 20 Aug 2019 15:34:31 +0000 (16:34 +0100)
examples/all-in-one.py

index 87840901fd5efd3610d2aecbb943ed6c27432d41..eef99c36b7eea36846073685af9f371823e5642b 100755 (executable)
@@ -8,7 +8,7 @@ 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
@@ -102,7 +102,7 @@ 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
 
@@ -193,8 +193,8 @@ try:
             unit = "ug/m3"
             try:
                 data = pms5003.read()
-            except pms5003.ReadTimeoutError:
-                pass
+            except pmsReadTimeoutError:
+                logging.warn("Failed to read PMS5003")
             else:
                 data = data.pm_ug_per_m3(1.0)
                 display_text(variables[mode], data, unit)
@@ -202,16 +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:
+                logging.warn("Failed to read PMS5003")
+            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:
+                logging.warn("Failed to read PMS5003")
+            else:
+                data = data.pm_ug_per_m3(10)
+                display_text(variables[mode], data, unit)
 
 # Exit cleanly
 except KeyboardInterrupt: