Print data of both sensors

main.py

@@ -14,6 +14,7 @@
 SCD = scd30.SCD30(I2C)
 LED = max7219.max7219()
 LED.set_intensity(max7219.INTENSITY_15)
+field = 0
 
 def init_wifi():
 	nic = network.WLAN(network.STA_IF)
@@ -42,12 +43,15 @@ def publish_bme280():
 		tmr.add(1000, publish_bme280)
 
 def read_scd30():
+	success = SCD.read()
 	try:
-		SCD.read()
-	except SyntaxError as e:
-		pass
-	finally:
-		tmr.add(2000, read_scd30)
+		print(success)
+	except Exception as e:
+		print("read_scd30 exception: {}".format(e))
+		tmr.add(200, read_scd30)
+		return
+	else:
+		tmr.add(2100, read_scd30)
 
 def publish_scd30():
 	try:
@@ -64,14 +68,26 @@ def publish_scd30():
 		tmr.add(2000, publish_scd30)
 
 def print_scd30():
-	try:
-		(co2, temperature, humidity) = SCD.values()
-	except Exception as e:
-		pass
-	else:
-		LED.write_string("CO2{: >5}".format(int(co2)))
-	finally:
-		tmr.add(2000, print_scd30)
+	global field
+	data = SCD.values
+	if data:
+		if field == 0:
+			LED.write_string("CO2{: >5}".format(int(data["co2"])))
+		elif field == 1:
+			LED.write_string("{}°C{}°C".format(
+				int(data["temperature"]),
+				int(BME.values[0])
+			))
+		elif field == 2:
+			LED.write_string("{}°o{}°o".format(
+				int(data["humidity"]),
+				int(BME.values[2])
+			))
+		elif field == 3:
+			LED.write_string("{: >4} hPA".format(int(BME.values[1])))
+
+		field = (field+1)%4
+	tmr.add(2000, print_scd30)
 
 print("Boot complete")
 #m = mqtt.MQTTClient("Sensor_{}".format(UID), "mqtt.space.aachen.ccc.de")
@@ -82,5 +98,6 @@ def print_scd30():
 
 #tmr.add(1000, publish_bme280)
 #tmr.add(2333, publish_scd30)
-tmr.add(2100, print_scd30)
+tmr.add(2100, read_scd30)
+tmr.add(1000, print_scd30)
 tmr._start()