Kindle Netatmo Code

<php

// Zugangsdaten Netatmo

$username = "your@user.name";

$password = "yourpassword";

$app_id = "netatmo-app-id";

$app_secret = "netatmo-app-secret";

// Token anfordern

$postdata = array(

'grant_type' => "password",

'client_id' => $app_id,

'client_secret' => $app_secret,

'username' => $username,

'password' => $password,

'scope' => 'read_station'

);

$url = "https://api.netatmo.net/oauth2/token";

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, $url);

curl_setopt($ch, CURLOPT_POST, 1);

curl_setopt($ch, CURLOPT_POSTFIELDS, $postdata);

curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);

curl_setopt($ch, CURLOPT_HEADER, 0);

curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

curl_setopt($ch, CURLOPT_TIMEOUT, 30);

$response = curl_exec($ch);

curl_close($ch);

// Anfrage mit Token

$params = null;

$params = json_decode($response, true);

$api_url = "https://api.netatmo.net/api/devicelist?access_token=" . $params['access_token'];

// Daten abrufen

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, $api_url);

curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);

curl_setopt($ch, CURLOPT_HEADER, 0);

curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

curl_setopt($ch, CURLOPT_TIMEOUT, 30);

$array = curl_exec($ch);

curl_close($ch);

$netatmo = json_decode($array,true);

// hier müssen die ids angepasst werden. meine Module haben komischerweise höhere Nummern weil

// in meinem Account zuerst die Module von einer befreundeten freigegebenen Station gefunden werden...

// der Vorteil der Zuordnung hier ist, dass im Folgenden nichts mehr angepasst werden muss.

$device0 = "0"; //Basisstation

$module0 = "5"; //Außenmodul

$module1 = "6"; //1. Innenmodul

$module2 = "7"; //Regenmesser

$module3 = "8"; //2. Innenmodul

// Messwerte bereitstellen

$name_station = $netatmo["body"]["devices"][$device0]["station_name"];

$date_station = $netatmo["body"]["devices"][$device0]["last_status_store"];

$name_base = $netatmo["body"]["devices"][$device0]["module_name"];

$temp_base = $netatmo["body"]["devices"][$device0]["dashboard_data"]["Temperature"];

$humi_base = $netatmo["body"]["devices"][$device0]["dashboard_data"]["Humidity"];

$CO2_base = $netatmo["body"]["devices"][$device0]["dashboard_data"]["CO2"];

$min_temp_base = $netatmo["body"]["devices"][$device0]["dashboard_data"]["min_temp"];

$max_temp_base = $netatmo["body"]["devices"][$device0]["dashboard_data"]["max_temp"];

$min_date_base = $netatmo["body"]["devices"][$device0]["dashboard_data"]["date_min_temp"];

$max_date_base = $netatmo["body"]["devices"][$device0]["dashboard_data"]["date_max_temp"];

$pressure = $netatmo["body"]["devices"][$device0]["dashboard_data"]["Pressure"];

$name_mod0 = $netatmo["body"]["modules"][$module0]["module_name"];

$temp_mod0 = $netatmo["body"]["modules"][$module0]["dashboard_data"]["Temperature"];

$humi_mod0 = $netatmo["body"]["modules"][$module0]["dashboard_data"]["Humidity"];

$min_temp_mod0 = $netatmo["body"]["modules"][$module0]["dashboard_data"]["min_temp"];

$max_temp_mod0 = $netatmo["body"]["modules"][$module0]["dashboard_data"]["max_temp"];

$min_date_mod0 = $netatmo["body"]["modules"][$module0]["dashboard_data"]["date_min_temp"];

$max_date_mod0 = $netatmo["body"]["modules"][$module0]["dashboard_data"]["date_max_temp"];

$name_rain = $netatmo["body"]["modules"][$module2]["module_name"];

$rain_1 = $netatmo["body"]["modules"][$module2]["dashboard_data"]["sum_rain_1"];

$rain_24 = $netatmo["body"]["modules"][$module2]["dashboard_data"]["sum_rain_24"];

$name_mod1 = $netatmo["body"]["modules"][$module1]["module_name"];

$temp_mod1 = $netatmo["body"]["modules"][$module1]["dashboard_data"]["Temperature"];

$humi_mod1 = $netatmo["body"]["modules"][$module1]["dashboard_data"]["Humidity"];

$CO2_mod1 = $netatmo["body"]["modules"][$module1]["dashboard_data"]["CO2"];

$min_temp_mod1 = $netatmo["body"]["modules"][$module1]["dashboard_data"]["min_temp"];

$max_temp_mod1 = $netatmo["body"]["modules"][$module1]["dashboard_data"]["max_temp"];

$min_date_mod1 = $netatmo["body"]["modules"][$module1]["dashboard_data"]["date_min_temp"];

$max_date_mod1 = $netatmo["body"]["modules"][$module1]["dashboard_data"]["date_max_temp"];

$name_mod3 = $netatmo["body"]["modules"][$module3]["module_name"];

$temp_mod3 = $netatmo["body"]["modules"][$module3]["dashboard_data"]["Temperature"];

$humi_mod3 = $netatmo["body"]["modules"][$module3]["dashboard_data"]["Humidity"];

$CO2_mod3 = $netatmo["body"]["modules"][$module3]["dashboard_data"]["CO2"];

$min_temp_mod3 = $netatmo["body"]["modules"][$module3]["dashboard_data"]["min_temp"];

$max_temp_mod3 = $netatmo["body"]["modules"][$module3]["dashboard_data"]["max_temp"];

$min_date_mod3 = $netatmo["body"]["modules"][$module3]["dashboard_data"]["date_min_temp"];

$max_date_mod3 = $netatmo["body"]["modules"][$module3]["dashboard_data"]["date_max_temp"];

// Berechnung Sonnenauf- und -untergang

$latitude = $netatmo["body"]["devices"][$device0]["place"]["location"][1];

$longitude = $netatmo["body"]["devices"][$device0]["place"]["location"][0];

$time = time();

$dst = date("I", $time);

if ($dst) {

$offset = 2;

} else {

$offset = 1;

}

$zenith = 50/60;

$zenith = $zenith + 90;

$sunrise = date_sunrise($time, SUNFUNCS_RET_TIMESTAMP, $latitude, $longitude, $zenith, $offset);

$sunrise = date("H:i", $sunrise);

$sunset = date_sunset($time, SUNFUNCS_RET_TIMESTAMP, $latitude, $longitude, $zenith, $offset);

$sunset = date("H:i", $sunset);

// Taupunkt-Berechnung

if ($temp_mod0 > 0) {

$k2 = 17.62;

$k3 = 243.12;

} else {

$k2 = 22.46;

$k3 = 272.62;

}

$dewpoint = $k3 *(($k2 * $temp_mod0) / ($k3 + $temp_mod0) + log($humi_mod0 / 100));

$dewpoint = $dewpoint / (($k2 * $k3) / ($k3 + $temp_mod0) - log($humi_mod0 / 100));

$dewpoint = round($dewpoint, 1);

// Messwerte formatieren

$min_date_mod0 = date("H:i",$min_date_mod0);

$max_date_mod0 = date("H:i",$max_date_mod0);

$min_date_base = date("H:i", $min_date_base);

$max_date_base = date("H:i", $max_date_base);

$min_date_mod1 = date("H:i", $min_date_mod1);

$max_date_mod1 = date("H:i", $max_date_mod1);

$min_date_mod3 = date("H:i", $min_date_mod3);

$max_date_mod3 = date("H:i", $max_date_mod3);

$date_station = DatumText($date_station);

$temp_mod0 = number_format($temp_mod0,1,",","");

$temp_base = number_format($temp_base,1,",","");

$temp_mod1 = number_format($temp_mod1,1,",","");

$temp_mod3 = number_format($temp_mod3,1,",","");

$pressure = number_format($pressure,1,",","");

$dewpoint = number_format($dewpoint,1,",","");

$rain_1 = number_format($rain_1,1,",","");

$rain_24 = number_format($rain_24,1,",","");

$max_temp_mod0 = number_format($max_temp_mod0,1,",","");

$min_temp_mod0 = number_format($min_temp_mod0,1,",","");

$max_temp_base = number_format($max_temp_base,1,",","");

$min_temp_base = number_format($min_temp_base,1,",","");

$max_temp_mod1 = number_format($max_temp_mod1,1,",","");

$min_temp_mod1 = number_format($min_temp_mod1,1,",","");

$max_temp_mod3 = number_format($max_temp_mod3,1,",","");

$min_temp_mod3 = number_format($min_temp_mod3,1,",","");

// Variablen

$filename = "weather-script-output.png";

// Schriftart aus den Beispielen der c't

$DEFAULT_FONT = array("regular"=>realpath("./fonts/LiberationSans-Regular.ttf"),"bold"=>realpath("./fonts/LiberationSans-Bold.ttf"),"italic"=>realpath("./fonts/LiberationSans-Italic.ttf"));

// Leere PNG-Datei mit weißem Hintergrund erstellen

$im = @ImageCreateTrueColor(640,384);

$background = ImageColorAllocate($im, 255, 255, 255);

ImageFilledRectangle($im, 0, 0, 640, 384, $background);

// über die Schriftgröße wird nachher ALLES skaliert

$fontSize = 15;

$cursorY = $fontSize*2.7;

$X0 = $fontsize;

$X1 = $fontSize*6.66;

$X2 = $fontSize*12;

$X3 = $fontSize*17.33;

$X4 = $fontSize*23;

$X5 = $fontSize*28;

$X6 = $fontSize*38;

// Farbe für Schrift und Hilfslinien festlegen

$black = ImageColorAllocate($im, 0, 0, 0);

$red = ImageColorAllocate($im, 255,0,0);

$color = $black;

$fontb = $DEFAULT_FONT['bold'];

$fontr = $DEFAULT_FONT['regular'];

// Text einfügen

ImageTTFText($im, $fontSize*2.1, 0, $X0, $cursorY, $color, $fontb, $name_station);

ImageTTFText($im, $fontSize/1.5, 0, $X5, $cursorY-$fontSize*1.1, $color, $fontr, "Sonnenaufgang ".$sunrise);

ImageTTFText($im, $fontSize/1.5, 0, $X5, $cursorY, $color, $fontr, "Sonnenuntergang ".$sunset);

$cursorY = $cursorY+$fontSize*1.5;

ImageTTFText($im, $fontSize*0.7, 0, $X0+20, $cursorY, $color, $fontr, "Letzte Aktualisierung: ".$date_station);

$cursorY = $cursorY+$fontSize*2;

ImageTTFText($im, $fontSize*1.3, 0, $X0, $cursorY, $color, $fontr, $name_mod0);

ImageTTFText($im, $fontSize*0.55, 0, $X3, $cursorY, $color, $fontr, "Luftfeuchtigkeit");

ImageTTFText($im, $fontSize*0.55, 0, $X5, $cursorY, $color, $fontr, "Luftdruck");

$cursorY = $cursorY+$fontSize*2.1;

If(intval($temp_mod0) <= 4 intval($temp_mod0) >= 30){$color = $red;} else {$color = $black;}

ImageTTFText($im, $fontSize*2, 0, $X0, $cursorY, $color, $fontr, $temp_mod0);

$color = $black;

ImageTTFText($im, $fontSize*0.55, 0, $X1, $cursorY-$fontSize*1.2, $color, $fontr, $max_temp_mod0." / ".$max_date_mod0);

ImageTTFText($im, $fontSize*0.55, 0, $X1, $cursorY-$fontSize/3, $color, $fontr, $min_temp_mod0." / ".$min_date_mod0);

ImageTTFText($im, $fontSize*1.5, 0, $X2, $cursorY-$fontSize/4, $color, $fontr, "°C");

ImageTTFText($im, $fontSize*2, 0, $X3, $cursorY, $color, $fontr, $humi_mod0);

ImageTTFText($im, $fontSize*1.5, 0, $X4, $cursorY-$fontSize/4, $color, $fontr, "%");

ImageTTFText($im, $fontSize*2, 0, $X5, $cursorY, $color, $fontr, $pressure);

ImageTTFText($im, $fontSize*1.5, 0, $X6, $cursorY-$fontSize/4, $color, $fontr, "hPa");

$cursorY = $cursorY+$fontSize*1.5;

ImageTTFText($im, $fontSize*0.55, 0, $X0, $cursorY, $color, $fontr, "Niederschlag letzte Stunde");

ImageTTFText($im, $fontSize*0.55, 0, $X3, $cursorY, $color, $fontr, "Niederschlag letzter Tag");

ImageTTFText($im, $fontSize*0.55, 0, $X5, $cursorY, $color, $fontr, "Taupunkt");

$cursorY = $cursorY+$fontSize*2.1;

ImageTTFText($im, $fontSize*2, 0, $X0, $cursorY, $color, $fontr, $rain_1);

ImageTTFText($im, $fontSize*0.8, 0, $X1, $cursorY-$fontSize/3, $color, $fontr, "mm");

ImageTTFText($im, $fontSize*2, 0, $X3, $cursorY, $color, $fontr, $rain_24);

ImageTTFText($im, $fontSize*0.8, 0, $X4, $cursorY-$fontSize/3, $color, $fontr, "mm");

ImageTTFText($im, $fontSize*2, 0, $X5, $cursorY, $color, $fontr, $dewpoint);

ImageTTFText($im, $fontSize*1.5, 0, $X6, $cursorY-$fontSize/4, $color, $fontr, "°C");

$cursorY = $cursorY+$fontSize*2.1;

ImageTTFText($im, $fontSize*1.3, 0, $X0, $cursorY, $color, $fontr, $name_base);

ImageTTFText($im, $fontSize*0.55, 0, $X3, $cursorY, $color, $fontr, "Luftfeuchtigkeit");

ImageTTFText($im, $fontSize*0.55, 0, $X5, $cursorY, $color, $fontr, "CO2-Gehalt");

$cursorY = $cursorY+$fontSize*2.1;

ImageTTFText($im, $fontSize*2, 0, $X0, $cursorY, $color, $fontr, $temp_base);

ImageTTFText($im, $fontSize*0.55, 0, $X1, $cursorY-$fontSize*1.2, $color, $fontr, $max_temp_base." / ".$max_date_base);

ImageTTFText($im, $fontSize*0.55, 0, $X1, $cursorY-$fontSize/3, $color, $fontr, $min_temp_base." / ".$min_date_base);

ImageTTFText($im, $fontSize*1.5, 0, $X2, $cursorY-$fontSize/4, $color, $fontr, "°C");

If(intval($humi_base) > 60 intval($humi_base) < 40){$color = $red;} else {$color = $black;}

ImageTTFText($im, $fontSize*2, 0, $X3, $cursorY, $color, $fontr, $humi_base);

$color =$black;

ImageTTFText($im, $fontSize*1.5, 0, $X4, $cursorY-$fontSize/4, $color, $fontr, "%");

If(intval($CO2_base) >1500){$color = $red;} else {$color = $black;}

ImageTTFText($im, $fontSize*2, 0, $X5, $cursorY, $color, $fontr, $CO2_base);

$color = $black;

ImageTTFText($im, $fontSize*1.5, 0, $X6, $cursorY-$fontSize/4, $color, $fontr, "ppm");

$cursorY = $cursorY+$fontSize*2.1;

ImageTTFText($im, $fontSize*1.3, 0, $X0, $cursorY, $color, $fontr, $name_mod1);

ImageTTFText($im, $fontSize*0.55, 0, $X3, $cursorY, $color, $fontr, "Luftfeuchtigkeit");

ImageTTFText($im, $fontSize*0.55, 0, $X5, $cursorY, $color, $fontr, "CO2-Gehalt");

$cursorY = $cursorY+$fontSize*2.1;

ImageTTFText($im, $fontSize*2, 0, $X0, $cursorY, $color, $fontr, $temp_mod1);

ImageTTFText($im, $fontSize*0.55, 0, $X1, $cursorY-$fontSize*1.2, $color, $fontr, $max_temp_mod1." / ".$max_date_mod1);

ImageTTFText($im, $fontSize*0.55, 0, $X1, $cursorY-$fontSize/3, $color, $fontr, $min_temp_mod1." / ".$min_date_mod1);

ImageTTFText($im, $fontSize*1.5, 0, $X2, $cursorY-$fontSize/4, $color, $fontr, "°C");

If(intval($humi_mod1) > 60 intval($humi_mod1) < 40){$color = $red;} else {$color = $black;}

ImageTTFText($im, $fontSize*2, 0, $X3, $cursorY, $color, $fontr, $humi_mod1);

$color = $black;

ImageTTFText($im, $fontSize*1.5, 0, $X4, $cursorY-$fontSize/4, $color, $fontr, "%");

If(intval($CO2_mod1) > 1500){$color = $red;} else {$color = $black;}

ImageTTFText($im, $fontSize*2, 0, $X5, $cursorY, $color, $fontr, $CO2_mod1);

$color = $black;

ImageTTFText($im, $fontSize*1.5, 0, $X6, $cursorY-$fontSize/4, $color, $fontr, "ppm");

$cursorY = $cursorY+$fontSize*2.1;

ImageTTFText($im, $fontSize*1.3, 0, $X0, $cursorY, $color, $fontr, $name_mod3);

ImageTTFText($im, $fontSize*0.55, 0, $X3, $cursorY, $color, $fontr, "Luftfeuchtigkeit");

ImageTTFText($im, $fontSize*0.55, 0, $X5, $cursorY, $color, $fontr, "CO2-Gehalt");

$cursorY = $cursorY+$fontSize*2.1;

ImageTTFText($im, $fontSize*2, 0, $X0, $cursorY, $color, $fontr, $temp_mod3);

ImageTTFText($im, $fontSize*0.55, 0, $X1, $cursorY-$fontSize*1.2, $color, $fontr, $max_temp_mod3." / ".$max_date_mod3);

ImageTTFText($im, $fontSize*0.55, 0, $X1, $cursorY-$fontSize/3, $color, $fontr, $min_temp_mod3." / ".$min_date_mod3);

ImageTTFText($im, $fontSize*1.5, 0, $X2, $cursorY-$fontSize/4, $color, $fontr, "°C");

If(intval($humi_mod3) > 60 intval($humi_mod3) < 40){$color = $red;} else {$color = $black;}

ImageTTFText($im, $fontSize*2, 0, $X3, $cursorY, $color, $fontr, $humi_mod3);

$color = $black;

ImageTTFText($im, $fontSize*1.5, 0, $X4, $cursorY-$fontSize/4, $color, $fontr, "%");

If(intval($CO2_mod3) >1500){$color = $red;} else {$color = $black;}

ImageTTFText($im, $fontSize*2, 0, $X5, $cursorY, $color, $fontr, $CO2_mod3);

$color = $black;

ImageTTFText($im, $fontSize*1.5, 0, $X6, $cursorY-$fontSize/4, $color, $fontr, "ppm");

// PNG-erstellen, könnte man für's c't-Projekt auch weglassen

ImagePNG($im, $filename);

// wenn Aufruf mit 'weather-script.php?debug=true', dann Ausgabe als png, sonst als Bytestream für's ePaper

if($_GET['debug'] == 'true'){

header("Content-type: image/png");

imagepng($im);

}

else{

header("X-productionMode: true"); // siehe Anleitung c't, auf false setzen um ESP32 Weboberfläche zu aktivieren

echo rawImage($im);

// echo ASCIIImage($im); // stellt die Grafik im browser aus nullen und einsen dar, nur zum testen

}

imagedestroy($im);

function rawImage($im) {

$bits = "";

$bytes = "";

$pixelcount = 0;

for ($y = 0; $y < imagesy($im); $y++) {

for ($x = 0; $x < imagesx($im); $x++) {

$rgb = imagecolorat($im, $x, $y);

$r = ($rgb >> 16) & 0xFF;

$g = ($rgb >> 8 ) & 0xFF;

$b = $rgb & 0xFF;

$gray = ($r + $g + $b) / 3;

if ($gray < 0xFF) {

$bits .= "1";

}else {

$bits .= "0";

}

$pixelcount++;

if ($pixelcount % 8 == 0) {

$bytes .= pack('H*', str_pad(base_convert($bits, 2, 16),2, "0", STR_PAD_LEFT));

$bits = "";

}

}

}

return $bytes;

}

// diese Funktion ist nur zum testen ob die Konvertierung grundsätzlich klappt

function ASCIIImage($im) {

$bits = "";

$bytes = "";

$pixelcount = 0;

for ($y = 0; $y < imagesy($im); $y++) {

for ($x = 0; $x < imagesx($im); $x++) {

$rgb = imagecolorat($im, $x, $y);

$r = ($rgb >> 16) & 0xFF;

$g = ($rgb >> 8 ) & 0xFF;

$b = $rgb & 0xFF;

$gray = ($r + $g + $b) / 3;

if ($gray < 0xFF) {

$bits .= "1";

}else {

$bits .= "0";

}

$pixelcount++;

if ($pixelcount % 8 == 0) {

$bytes .= $bits;

$bits = "";

}

}

$bytes .= "\n";

}

return $bytes;

}

function DatumText($ti) {

$time = $ti;

$weekday = date("D", $time);

$day = date("j", $time);

$month = date("n", $time);

$year = date("Y", $time);

$zeit = date("H:i", $time);

switch ($weekday) {

case "Mon":

$weekday = "Montag";

break;

case "Tue":

$weekday = "Dienstag";

break;

case "Wed":

$weekday = "Mittwoch";

break;

case "Thu":

$weekday = "Donnerstag";

break;

case "Fri":

$weekday = "Freitag";

break;

case "Sat":

$weekday = "Samstag";

break;

case "Sun":

$weekday = "Sonntag";

break;

}

switch ($month) {

case 1:

$month = "Januar";

break;

case 2:

$month = "Februar";

break;

case 3:

$month = "März";

break;

case 4:

$month = "April";

break;

case 5:

$month = "Mai";

break;

case 6:

$month = "Juni";

break;

case 7:

$month = "Juli";

break;

case 8:

$month = "August";

break;

case 9:

$month = "September";

break;

case 10:

$month = "Oktober";

break;

case 11:

$month = "November";

break;

case 12:

$month = "Dezember";

break;

}

return "$weekday, $day. $month $year $zeit";

}

?>