def temperature_set():
# Load database configuration settings
config_section_db = loadconfig('DB')
# Load configuration settings
config_section_temperature = loadconfig('TEMPERATURE')
# Get temperature data from hardware probes, store in json
json_data['temperature'] = ds18b20.main()
# Add JSON value for temperature probe description if defined in config file
for key in config_section_temperature.keys():
if key is not "__name__":
try:
# Errors if key does not exsist
json_data['temperature'][key].update({"description":config_section_temperature.get(key)})
except:
# Ignore and move on
pass
# Pull db name and table name from config file, sql.py will create files if non exsist.
db_database = config_section_db.get('database_name')
db_table = config_section_db.get('table_name')
sql.temperature(db_database, db_table, json_data['temperature'])
# Defined in ds18b20.py script
return jsonify(json_data), 200
def temperature_get():
# Load configuration settings
config_section_temperature = loadconfig('TEMPERATURE')
# Load Callibration settings for defined probes
config_section_callibrate = loadconfig('CALLIBRATE')
# Define JSON key and load data from ds18b20
json_data['temperature'] = ds18b20.main()
if config_section_temperature.get('dht22_enabled') == "1":
# Load DHT22 temperature if enabled in config, will cause 30s delay if sensor does not exsist!
json_data['temperature'].update(dht22.main())
else:
# Ignore getting DHT22 data and move on
pass
# Add JSON value for temperature probe description if defined in config file
for key in config_section_temperature.keys():
if key is not "__name__":
try:
# Errors if key does not exsist
json_data['temperature'][key].update({"description":config_section_temperature.get(key)})
except:
# Ignore and move on
pass
# Does some math to alter the readings if sensor is off
for key in config_section_callibrate.keys():
if key is not "__name__":
try:
# Pulls the correction value from config file per sensor name
correction_value = float(config_section_callibrate[key])
# Current and incorrect temperature value
original_celsius = float(json_data['temperature'][key]['celsius'])
# Find new celsius value
correct_celsius = original_celsius + correction_value
# Calculate new fahrenheit values
correct_fahrenheit = 9.0/5.0 * correct_celsius + 32
# Update the JSON with correct values
json_data['temperature'][key].update({"celsius":round(correct_celsius,2)})
json_data['temperature'][key].update({"fahrenheit":round(correct_fahrenheit,2)})
except:
# Ignore and move on, write message to console
pass
# Load cache file data
temperature_file = config_section_temperature.get('file')
# Write output to file
with open(temperature_file , 'w') as outfile:
json.dump(json_data, outfile)
# Defined in ds18b20.py script
return jsonify(json_data), 200
