#!/usr/bin/python3
import sys
import RPi.GPIO as GPIO
from scale import Scale
scale = Scale()
scale.setReferenceUnit(-300)
scale.reset()
scale.tare()
while True:
try:
val = scale.getMeasure()
print("{0: 4.0f}".format(val))
except (KeyboardInterrupt, SystemExit):
GPIO.cleanup()
sys.exit()
scale.reset()
scale.tare()
# Every 30s jump to timedTare function
schedule.every(30).seconds.do(timedTare)
# Enter the main running loop
while (True):
# Points to the 30 seccond timer above. It remembers to check the time for the scheduled interrupt.
schedule.run_pending()
# Unless an exception occurs, run this code
try:
# Call for a scale, temperature, and humidity reading
scaleReading = scale.getMeasure()
dhtReading = instance.read()
# If the dht reading is valid, store it as a new temp and humid value
if dhtReading.is_valid():
temp = dhtReading.temperature
humid = dhtReading.humidity
# Update camera annotation with mass, temp, and humid
annotation = datetime.datetime.now().strftime("%H:%M:%S " \
+ "Mass: " + str("{0:.1f}".format(scaleReading)) + "g " \
+ "T: " + str("{0:.1f}".format(temp)) + " F " \
+ "H: " + str("{0:.1f}".format(humid)) + "%%")
camera.annotate_text = annotation
camera.annotate_text_size = cameraAnnoSize
