Move the HTTP server code to a new mode_pull module
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/*
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* consts.h - Constants for the ModularWeatherStation
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*
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* Copyright (C) 2021 Gergely Polonkai
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* Author: Gergely POLONKAI <gergely@polonkai.eu>
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*
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* ModularWeatherStation is free software: you can redistribute it
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* and/or modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* ModularWeatherStation is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* As additional permission under GNU GPL version 3 section 7, you may
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* distribute non-source form of the Program without the copy of the
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* GNU GPL normally required by section 4, provided you inform the
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* receipents of GNU GPL by a written offer.
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*
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*/
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// Prometheus Pull mode. A Prometheus instance has to be configured to
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// regularly pull values from the station.
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#define MODE_PROM_PULL 1
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// Prometheus Push mode. A Prometheus Push Gateway instance has to be
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// configured in config.h where the station can regularly push values.
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//
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// It purposefully conflicts with MODE_PROM_PULL; the weather station code
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// checks only for bit 1 to be present and if it is, it ignores bit 0
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#define MODE_PROM_PUSH 3
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// MQTT mode. An MQTT broker address must be configured in config.h where
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// the station can push values.
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#define MODE_MQTT 4
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@ -0,0 +1,176 @@
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#include <ESP8266WebServer.h>
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#include "mode_pull.h"
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#include "config.h"
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#if defined(DHT_TYPE) || defined(HAVE_BMP180)
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float _temperature;
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#endif
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#ifdef DHT_TYPE
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float _humidity;
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#endif
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#ifdef HAVE_BH1750
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float _light;
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#endif
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#ifdef HAVE_BMP180
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float _pressure;
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#endif
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#ifdef RAIN_PIN
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bool _raining;
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#endif
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static const char MIME_TEXT[] PROGMEM = "text/plain";
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static const char MIME_METRICS[] PROGMEM = "text/plain; version=0.0.4; charset=utf-8";
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#if defined(DHT_TYPE) || defined(HAVE_BMP180)
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# define TEMPL_TEMPERATURE \
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"# HELP temperature_celsius Temperature in degrees Celsius\n" \
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"# TYPE temperature_celsius gauge\n" \
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"temperature_celsius %.2f\n"
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#endif
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#ifdef DHT_TYPE
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# define TEMPL_HUMIDITY \
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"# HELP relative_humidity Relative humidity, in percents\n" \
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"# TYPE relative_humidity gauge\n" \
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"relative_humidity %.2f\n"
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#endif
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#ifdef RAIN_PIN
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# define TEMPL_RAIN \
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"# HELP raining Boolean value checking if it is raining\n" \
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"# TYPE raining gauge\n" \
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"raining %d\n"
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#endif
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#ifdef HAVE_BH1750
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# define TEMPL_LIGHT \
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"# HELP light Ambient light, in lumens\n" \
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"# TYPE light gauge\n" \
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"light %.2f\n"
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#endif
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#ifdef HAVE_BMP180
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# define TEMPL_PRESSURE \
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"# HELP pressure Atmospheric pressure, in Pa\n" \
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"# TYPE pressure gauge\n" \
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"pressure %d\n"
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#endif
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ESP8266WebServer server;
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static void
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_replyNotFound()
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{
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server.send(404, FPSTR(MIME_TEXT), "Not Found");
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}
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static void
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_sendMetrics()
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{
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size_t message_size =
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#if defined(DHT_TYPE) || defined(HAVE_BMP180)
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sizeof(TEMPL_TEMPERATURE) +
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#endif // defined(DHT_TYPE) || defined(HAVE_BMP180)
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#ifdef DHT_TYPE
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sizeof(TEMPL_HUMIDITY) +
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#endif // DHT_TYPE
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#ifdef RAIN_PIN
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sizeof(TEMPL_RAIN) +
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#endif // RAIN_PIN
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#ifdef HAVE_BH1750
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sizeof(TEMPL_LIGHT) +
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#endif // HAVE_BH1750
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#ifdef HAVE_BMP180
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sizeof(TEMPL_PRESSURE) +
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#endif // HAVE_BMP180
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1;
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char message[message_size];
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snprintf(message, message_size, ""
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#if defined(DHT_TYPE) || defined(HAVE_BMP180)
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TEMPL_TEMPERATURE
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#endif // defined(DHT_TYPE) || defined(HAVE_BMP180)
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#ifdef DHT_TYPE
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TEMPL_HUMIDITY
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#endif // DHT_TYPE
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#ifdef RAIN_PIN
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TEMPL_RAIN
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#endif // RAIN_PIN
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#ifdef HAVE_BH1750
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TEMPL_LIGHT
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#endif // HAVE_BH1750
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#ifdef HAVE_BMP180
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TEMPL_PRESSURE
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#endif // HAVE_BMP180
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#if defined(DHT_TYPE) || defined(HAVE_BMP180)
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, _temperature
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#endif // defined(DHT_TYPE) || defined(HAVE_BMP180)
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#ifdef DHT_TYPE
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, _humidity
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#endif // DHT_TYPE
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#ifdef RAIN_PIN
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, _raining ? 1 : 0
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#endif // RAIN_PIN
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#ifdef HAVE_BH1750
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, _light_level
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#endif // HAVE_BH1750
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#ifdef HAVE_BMP180
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, _pressure
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#endif // HAVE_BMP180
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);
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server.send(200, MIME_METRICS, message);
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}
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PWSModePull::PWSModePull(int port)
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{
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_port = port;
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}
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void
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PWSModePull::begin()
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{
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server.on("/metrics", HTTP_GET, _sendMetrics);
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server.onNotFound(_replyNotFound);
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server.begin(_port);
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}
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void
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PWSModePull::loop()
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{
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server.handleClient();
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}
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void
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PWSModePull::sendValues(
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#if defined(DHT_TYPE) || defined(HAVE_BMP180)
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float temperature,
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#endif
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#ifdef DHT_TYPE
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float humidity,
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#endif
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#ifdef RAIN_PIN
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bool raining,
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#endif
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#ifdef HAVE_BH1750
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float light,
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#endif
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#ifdef HAVE_BMP180
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float pressure,
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#endif
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...)
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{
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#if defined(DHT_TYPE) || defined(HAVE_BMP180)
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_temperature = temperature;
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#endif
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#ifdef DHT_TYPE
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_humidity = humidity;
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#endif
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#ifdef RAIN_PIN
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_raining = raining;
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#endif
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#ifdef HAVE_BH1750
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_light = light;
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#endif
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#ifdef HAVE_BMP180
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_pressure = pressure;
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#endif
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}
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@ -0,0 +1,31 @@
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#ifndef __PWS_MODE_PULL_H
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# define __PWS_MODE_PULL_H
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# include "config.h"
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class PWSModePull {
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public:
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PWSModePull(int port);
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void begin();
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void loop();
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void sendValues(
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#if defined(DHT_TYPE) || defined(HAVE_BMP180)
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float temperature,
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#endif
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#ifdef DHT_TYPE
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float humidity,
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#endif
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#ifdef RAIN_PIN
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bool raining,
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#endif
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#ifdef HAVE_BH1750
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float light,
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#endif
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#ifdef HAVE_BMP180
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float pressure,
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#endif
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...);
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private:
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int _port;
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};
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#endif // __PWS_MODE_PULL_H
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