Working 3 day temperature forecast
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1ae9ebaafb
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#!/usr/bin/env python3
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#
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# Pulls out only the required pieces for the esp_time.ino arduino program
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# the ESP8266 doesn't have enough RAM to parse the whole JSON object.
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# substitue in api_key, run this and place the output at a web server
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# adjust ds_url in esp_time.ino to point at that web server!
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import json
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import urllib.request
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ds_url = "https://api.darksky.net/forecast/";
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ds_ll = "/-35.135,149.61";
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ds_opts = "?units=auto"
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api_key = "PUT YOUR API KEY HERE"
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contents = urllib.request.urlopen(ds_url + api_key + ds_ll + ds_opts)
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d = json.load(contents)
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new = {}
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current = d['currently']
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today = d['daily']['data'][0]
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tomorrow = d['daily']['data'][1]
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day_after = d['daily']['data'][2]
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new['current'] = {}
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new['current']['temp'] = current['temperature']
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new['current']['icon'] = current['icon']
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new['today'] = {}
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new['today']['max'] = today['temperatureMax']
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new['today']['icon'] = today['icon']
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new['tomorrow'] = {}
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new['tomorrow']['max'] = tomorrow['temperatureMax']
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new['tomorrow']['icon'] = tomorrow['icon']
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new['day_after'] = {}
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new['day_after']['max'] = day_after['temperatureMax']
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new['day_after']['icon'] = day_after['icon']
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with open('darksky.json', 'w') as output:
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output.write(json.dumps(new))
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output.close()
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# OWM
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# for forecast in d['list']:
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# utcDate = datetime.datetime.strptime(forecast['dt_txt']+"+0000", "%Y-%m-%d %H:%M:%S%z")
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# utcDate.replace(tzinfo=UTC)
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# print("********")
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# print(utcDate)
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# print(utcDate.astimezone(local))
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# print(forecast['weather'][0]['description'], forecast['weather'][0]['icon'], forecast['main']['temp'])
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119
esp_time.ino
119
esp_time.ino
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@ -8,10 +8,12 @@
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#include <WiFiUdp.h>
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#include <NTPClient.h>
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#include <Timezone.h>
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#include <ArduinoJson.h>
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#include "epd.h"
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#include "credential.h"
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// Weather bits
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// Australian BOM bits, Belconnen is mine.
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@ -20,10 +22,13 @@
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//const char* bom_url = "ftp://ftp.bom.gov.au/anon/gen/fwo/IDN11060.xml";
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// openweathermap, api_key from credential.h
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//
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// Maybe try String types?
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const String owm_url = "http://api.openweathermap.org/data/2.5/weather?q=Belconnen,AU&APPID=";
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// const String owm_url = "http://api.openweathermap.org/data/2.5/weather?q=Belconnen,AU&units=metric&APPID=";
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// DarkSky API key from credential.h
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// substitute decimal latitude and longitude in ds_ll
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const String ds_url = "http://pwarren.id.au/darksky/darksky.json";
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bool ds_done = false;
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// Timezone bits
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@ -35,11 +40,10 @@ TimeChangeRule *tcr;
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// Network clients
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WiFiUDP ntpUDP;
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HTTPClient http;
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NTPClient timeClient(ntpUDP, "raspberrypi.lan", 0, 60000); //use internal ntp server, update every 10 minutes
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//NTPClient timeClient(ntpUDP, "au.pool.ntp.org", 0, 60000); //use internal ntp server, update every 10 minutes
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// defined in "credentials.h"
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const char* ssid = ssid_name; // The SSID (name) of your Wi-Fi network
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@ -47,14 +51,14 @@ const char* password = ssid_pass; // The password of the Wi-Fi network
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const int led = LED_BUILTIN;
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// Font width
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int dwidth = 185;
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// yes this seems backwards but it works...
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void ledOn(void) { digitalWrite(led, LOW);}
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void ledOff(void) { digitalWrite(led, HIGH);}
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void wait(void) { delay(1500);}
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// Font width
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int dwidth = 185;
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void setup() {
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pinMode(led, OUTPUT);
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ledOff();
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@ -78,7 +82,9 @@ void setup() {
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timeClient.begin();
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ntpUpdate();
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epd_clear();
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weatherUpdate();
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printDateTime(1);
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epd_update();
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ledOff();
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}
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@ -104,8 +110,9 @@ void wifi() {
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}
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void ntpUpdate() {
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timeClient.update();
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setTime(timeClient.getEpochTime());
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if (timeClient.update()) {
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setTime(timeClient.getEpochTime());
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}
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}
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@ -151,12 +158,11 @@ void disp_digit(int digit, int xpos){
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epd_disp_bitmap("9.JPG", dpos, ypos);
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break;
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}
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delay(500);
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}
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void disp_time(int hours, int minutes) {
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epd_clear();
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// first digit of hours
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if (hours > 19) {
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disp_digit(2, 1);
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@ -172,6 +178,7 @@ void disp_time(int hours, int minutes) {
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disp_digit(hours, 2);
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epd_disp_bitmap("COLO.JPG", 2 * dwidth, 0);
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delay(500);
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// first minutes digit
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if (minutes > 49) {
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@ -195,7 +202,7 @@ void disp_time(int hours, int minutes) {
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// second minutes digit
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disp_digit(minutes, 4);
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}
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@ -203,10 +210,9 @@ void printDateTime(int update_epd)
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{
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char buf[64];
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time_t t;
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time_t t;
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t = ausET.toLocal(now(), &tcr);
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char m[4]; // temporary storage for month string (DateStrings.cpp uses shared buffer)
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strcpy(m, monthShortStr(month(t)));
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@ -215,6 +221,7 @@ void printDateTime(int update_epd)
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if (update_epd > 0) {
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disp_time(hour(t), minute(t));
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wait();
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}
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sprintf(buf, "%s %.2d %s %d %s", dayShortStr(weekday(t)), day(t), m, year(t), &tcr -> abbrev);
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@ -222,29 +229,77 @@ void printDateTime(int update_epd)
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if (update_epd > 0) {
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epd_set_en_font(ASCII64);
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epd_disp_string(buf, 150, 290);
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epd_update();
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delay(1500);
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epd_disp_string(buf, 150, 225);
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delay(500);
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Serial.println("Screen Updated");
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}
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}
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void weatherUpdate(void) {
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const size_t capacity = 4*JSON_OBJECT_SIZE(2) + JSON_OBJECT_SIZE(4) + 150;
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DynamicJsonBuffer jsonBuffer(capacity);
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http.begin(owm_url + api_key);
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time_t t;
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char buf[96] = {};
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const char* nstr = "Now";
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const char* tstr = "Today";
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const char* tmstr = "Tomorrow";
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http.begin(ds_url);
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int httpCode = http.GET();
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if (httpCode > 0) {
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JsonObject& root = jsonBuffer.parseObject(http.getString());
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if (!root.success()) {
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Serial.print(F("parseObject() failed: "));
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return;
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}
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float current_temp = root["current"]["temp"];
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const char* current_icon = root["current"]["icon"];
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float today_max = root["today"]["max"];
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const char* today_icon = root["today"]["icon"];
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float tomorrow_max = root["tomorrow"]["max"];
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const char* tomorrow_icon = root["tomorrow"]["icon"];
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float day_after_max = root["day_after"]["max"];
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const char* day_after_icon = root["day_after"]["icon"];
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String payload = http.getString();
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Serial.println(httpCode);
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Serial.println(payload);
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epd_set_en_font(ASCII64);
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//Today
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t = ausET.toLocal(now());
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epd_disp_string(dayStr(weekday(t)), 0, 536);
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delay(500);
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(String(today_max, 1)).toCharArray(buf,64);
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epd_disp_string(buf, 0, 472);
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delay(500);
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//Tomorrow
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t = ausET.toLocal(now() + 86400, &tcr);
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epd_disp_string(dayStr(weekday(t)), 267, 536);
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delay(500);
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(String(tomorrow_max, 1)).toCharArray(buf,64);
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epd_disp_string(buf, 267, 472);
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delay(500);
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//Day after Tomorrow
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t = ausET.toLocal(now() + 86400 + 86400);
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epd_disp_string(dayStr(weekday(t)), 533, 536);
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delay(500);
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(String(day_after_max, 1)).toCharArray(buf,64);
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epd_disp_string(buf, 533, 472);
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delay(500);
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} else {
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Serial.print("Error on HTTP Request: ");
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Serial.println(httpCode);
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http.end();
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}
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http.end();
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}
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void loop() {
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@ -257,20 +312,22 @@ void loop() {
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}
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ntpUpdate();
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//weatherUpdate();
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if (second(now()) >= 49) {
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if (second(now()) >= 55) {
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epd_wakeup();
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while (second(now()) != 0) {
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while (second(now()) != 57) {
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delay(500);
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}
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epd_clear();
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weatherUpdate();
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printDateTime(1);
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delay(4000);
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epd_update();
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delay(5000);
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epd_enter_stopmode();
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}
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sleep_seconds = 49 - second(now());
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sleep_seconds = 55 - second(now());
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Serial.print("Sleeping for: ");
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Serial.println(sleep_seconds);
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epd_wakeup();
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delay(1500);
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epd_set_memory(MEM_TF);
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epd_disp_bitmap("0.jpg", 0, 0);
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epd_disp_bitmap("9.jpg", 185,0);
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Serial.println("Attempting to display 0 and 9");
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epd_update();
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delay(10000);
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epd_load_pic();
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epd_set_memory(MEM_NAND);
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delay(1500);
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