Add current internal and external temperatures

This commit is contained in:
Paul Warren 2019-12-30 15:54:43 +11:00
parent 2cfdcd7be1
commit 4a2189d828
2 changed files with 143 additions and 4 deletions

122
bom_rrd.py Executable file
View File

@ -0,0 +1,122 @@
#!/usr/bin/env python3
import xmltodict
import urllib
import datetime
import json
import collections
import rrdtool
# BOM Weather XML URL for my area:
#
# see http://www.bom.gov.au/catalogue/data-feeds.shtml
# Adjust aac for your forecast region and the URL as required.
outside = rrdtool.fetch("/media/media/mqtt/ESP_b5952/temp/c.rrd", "AVERAGE")
rows = outside[2][::-1]
for data in rows:
if data[0] is not None:
outside_temp = data[0]
break
bedroom = rrdtool.fetch("/media/media/mqtt/ESP_4c7682/temp.rrd", "AVERAGE")
rows = bedroom[2][::-1]
for data in rows:
if data[0] is not None:
bedroom_temp = data[0]
break
lounge = rrdtool.fetch("/media/media/mqtt/ESP_b3fe20/temp.rrd", "AVERAGE")
rows = lounge[2][::-1]
for data in rows:
if data[0] is not None:
lounge_temp = data[0]
break
aac = "NSW_PT254";
bom_url = "ftp://ftp.bom.gov.au/anon/gen/fwo/IDN11060.xml";
bom_icons = {
'1': 'SUNNY.JPG',
'2': 'CLEAR.JPG',
'3': 'PCLOUD.JPG',
'4': 'CLOUDY.JPG',
'6': 'HAZE.JPG',
'8': 'LRAIN.JPG',
'9': 'WIND.JPG',
'10': 'FOG.JPG',
'11': 'SHOWER.JPG',
'12': 'RAIN.JPG',
'13': 'DUST.JPG',
'14': 'FROST.JPG',
'15': 'SNOW.JPG',
'16': 'STORM.JPG',
'17': 'LSHOWE.JPG',
'18': 'HSHOWE.JPG',
'19': 'CYCLON.JPG'
}
content = urllib.request.urlopen(bom_url)
xmldict = xmltodict.parse(content.read())
belco = [a for a in xmldict['product']['forecast']['area'] if a['@aac'] == aac][0]
new = {}
#current = a['forecast-period'][0]
weather = {}
# The first forecast period doesn't always have the temperature and other bits
# I get the overnight low and forecast to substitute when this happens.
if (type(belco['forecast-period'][0]['element']) == type(collections.OrderedDict())):
night = 1
else:
night = 0
weather['today'] = belco['forecast-period'][0]
weather['tomorrow'] = belco['forecast-period'][1]
weather['day_after'] = belco['forecast-period'][2]
if night:
for day in weather.keys():
new[day] = {}
if (day == 'today'):
new[day]['day'] = 'Tonight'
new[day]['max'] = [a for a in weather['tomorrow']['element'] if a['@type'] == 'air_temperature_minimum'][0]['#text']
new[day]['icon'] = bom_icons[weather['today']['element']['#text']]
#bom_icons[[a for a in weather['tomorrow']['element'] if a['@type'] == 'forecast_icon_code'][0]['#text']]
else:
new[day]['day'] = datetime.datetime.strptime(weather[day]['@start-time-local'], "%Y-%m-%dT%H:%M:%S%z").strftime("%A")
for el in weather[day]['element']:
if type(el) == type(collections.OrderedDict()):
if el['@type'] == "forecast_icon_code":
new[day]['icon'] = bom_icons[el['#text']]
elif el['@type'] == 'air_temperature_maximum':
new[day]['max'] = el['#text']
else:
for day in weather.keys():
new[day] = {}
new[day]['day'] = datetime.datetime.strptime(weather[day]['@start-time-local'], "%Y-%m-%dT%H:%M:%S%z").strftime("%A")
for el in weather[day]['element']:
if type(el) == type(collections.OrderedDict()):
if el['@type'] == "forecast_icon_code":
new[day]['icon'] = bom_icons[el['#text']]
elif el['@type'] == 'air_temperature_maximum':
new[day]['max'] = el['#text']
new['current'] = {}
new['current']['outside'] = outside_temp
new['current']['bedroom'] = bedroom_temp
new['current']['lounge'] = lounge_temp
with open('bom.json', 'w') as output:
output.write(json.dumps(new))
output.close()

View File

@ -61,6 +61,12 @@ void ledOn(void) { digitalWrite(led, LOW);}
void ledOff(void) { digitalWrite(led, HIGH);}
void wait(void) { delay(1500);}
// globals for the temperature :(
float current_outside;
float current_bedroom;
float current_lounge;
void setup() {
pinMode(led, OUTPUT);
ledOff();
@ -225,12 +231,18 @@ void printDateTime(int update_epd)
wait();
}
sprintf(buf, "%s %.2d %s %d %s", dayShortStr(weekday(t)), day(t), m, year(t), &tcr -> abbrev);
sprintf(buf, "%s %.2d %s %d Ext: %.2f Int: %.2f",
dayShortStr(weekday(t)),
day(t),
m,
year(t),
current_outside,
current_lounge);
Serial.println(buf);
if (update_epd > 0) {
epd_set_en_font(ASCII64);
epd_disp_string(buf, 150, 225);
epd_disp_string(buf, 5, 225);
wait();
}
}
@ -263,6 +275,11 @@ void weatherUpdate(void) {
const char* day_after_day = day_after["day"]; // "Friday"
const char* day_after_icon = day_after["icon"]; // "pcloud.jpg"
const char* day_after_max = day_after["max"]; // "33"
JsonObject current = doc["current"];
current_outside = current["outside"];
current_bedroom = current["bedroom"];
current_lounge = current["lounge"];
Serial.println("Updating EPD");
@ -292,8 +309,8 @@ void weatherUpdate(void) {
wait();
epd_disp_string(day_after_max, 615, 460);
wait();
} else {
Serial.print("Error on HTTP Request: ");
Serial.println(httpCode);