Remove inappropriate sleep between reads

[EVA-2020-02-2.git] / examples / luftdaten.py

diff --git a/examples/luftdaten.py b/examples/luftdaten.py
index dd6e967708664f4e3be22233904f576f2ea3c240..9995914e23d71144c9f1e99ff11c58f7baaf4e69 100755 (executable)
--- a/examples/luftdaten.py
+++ b/examples/luftdaten.py
@@ -2,6 +2,7 @@
 
 import requests
 import ST7735
+import time
 from bme280 import BME280
 from pms5003 import PMS5003, ReadTimeoutError
 from subprocess import PIPE, Popen, check_output
@@ -12,14 +13,7 @@ try:
 except ImportError:
     from smbus import SMBus
 
-import logging
-
-logging.basicConfig(
-    format='%(asctime)s.%(msecs)03d %(levelname)-8s %(message)s',
-    level=logging.INFO,
-    datefmt='%Y-%m-%d %H:%M:%S')
-
-logging.info("""luftdaten.py - Reads temperature, pressure, humidity,
+print("""luftdaten.py - Reads temperature, pressure, humidity,
 PM2.5, and PM10 from Enviro plus and sends data to Luftdaten,
 the citizen science air quality project.
 
@@ -80,6 +74,7 @@ def read_values():
 def get_cpu_temperature():
     process = Popen(['vcgencmd', 'measure_temp'], stdout=PIPE, universal_newlines=True)
     output, _error = process.communicate()
+    output = output.decode()
     return float(output[output.index('=') + 1:output.rindex("'")])
 
 
@@ -169,16 +164,22 @@ font_size = 16
 font = ImageFont.truetype("fonts/Asap/Asap-Bold.ttf", font_size)
 
 # Display Raspberry Pi serial and Wi-Fi status
-logging.info("Raspberry Pi serial: {}".format(get_serial_number()))
-logging.info("Wi-Fi: {}\n".format("connected" if check_wifi() else "disconnected"))
+print("Raspberry Pi serial: {}".format(get_serial_number()))
+print("Wi-Fi: {}\n".format("connected" if check_wifi() else "disconnected"))
+
+time_since_update = 0
+update_time = time.time()
 
 # Main loop to read data, display, and send to Luftdaten
 while True:
     try:
+        time_since_update = time.time() - update_time
         values = read_values()
-        logging.info(values)
-        resp = send_to_luftdaten(values, id)
-        logging.info("Response: {}\n".format("ok" if resp else "failed"))
+        print(values)
+        if time_since_update > 145:
+            resp = send_to_luftdaten(values, id)
+            update_time = time.time()
+            print("Response: {}\n".format("ok" if resp else "failed"))
         display_status()
     except Exception as e:
-        logging.info(e)
+        print(e)