EspThermometer2/productionMode.cpp

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2017-08-20 22:29:01 +02:00
/*
* production.cpp
*
* Created on: Aug 20, 2017
* Author: wn
*/
#include "defines.h"
#define MQTT_MAX_PACKET_SIZE 256
#include <ESP8266WiFi.h>
#include <ESP8266WebServer.h>
#include <PubSubClient.h>
#include <OneWire.h>
#include <DallasTemperature.h>
#include "configuration.h"
WiFiClientSecure espClient;
PubSubClient client(espClient);
#define ONE_WIRE_BUS 2
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);
extern uint32_t startTime;
void setup_wifi() {
delay(10);
// We start by connecting to a WiFi network
#ifdef DEBUG
Serial.println();
Serial.print("Connecting to ");
Serial.println(configBlock.wifiSsid);
#endif
WiFi.begin(configBlock.wifiSsid, configBlock.wifiKey);
while (WiFi.status() != WL_CONNECTED) {
delay(50);
#ifdef DEBUG
Serial.print(".");
#endif
}
#ifdef DEBUG
Serial.println("");
Serial.println("WiFi connected");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
#endif
}
void setupProduction() {
setup_wifi();
client.setServer(configBlock.mqttBroker, configBlock.mqttPort);
sensors.begin();
#ifdef DEBUG
uint8_t num = sensors.getDeviceCount();
Serial.print("device count: ");
Serial.println(num);
#endif
sensors.setResolution(12);
}
void reconnect() {
// Loop until we're reconnected
while (!client.connected()) {
#ifdef DEBUG
Serial.print("Attempting MQTT connection...");
#endif
// Attempt to connect
//char clientId[128];
//snprintf(clientId, 127, "esp%s", WiFi.macAddress().c_str());
if (client.connect(configBlock.mqttClientId, configBlock.mqttUser, configBlock.mqttPass)) {
#ifdef DEBUG
Serial.println("connected");
#endif
// Once connected, publish an announcement...
//client.publish("IoT/espThermometer/status", "hello world");
} else {
#ifdef DEBUG
Serial.print("failed, rc=");
Serial.print(client.state());
Serial.println(" try again in 5 seconds");
#endif
// Wait 5 seconds before retrying
delay(5000);
}
}
}
void mqtt_connect() {
if (!client.connected()) {
reconnect();
}
client.loop();
}
void read_thermometer() {
sensors.requestTemperatures();
float t = sensors.getTempCByIndex(0);
#ifdef DEBUG
Serial.print(t);
Serial.println();
#endif
int16_t t1 = (int)t;
int16_t t2 = (int)((t - t1)*100);
uint16_t vcc = ESP.getVcc();
uint16_t v1 = vcc / 1000;
uint16_t v2 = (vcc - v1 * 1000);
#ifdef DEBUG
Serial.print(vcc);
Serial.println();
#endif
uint32_t duration = millis() - startTime;
//char topic[128];
//snprintf(topic, 127, "IoT/espThermometer2/%s/measurement", WiFi.macAddress().c_str());
char payload[128];
snprintf(payload, 127, "%s %d.%d %d.%d %ld", configBlock.mqttClientId, t1, t2, v1, v2, duration);
#ifdef DEBUG
Serial.println(payload);
#endif
client.publish(configBlock.mqttTopic, payload, true);
}
void loopProduction() {
static uint32_t lastMillis = 0;
mqtt_connect();
uint32_t currentMillis = millis();
if (currentMillis - lastMillis > 1000) {
lastMillis = currentMillis;
read_thermometer();
#ifdef SLEEP
#ifdef DEBUG
Serial.println("Sleeping");
#endif
client.disconnect();
ESP.deepSleep(configBlock.sleepTime * 1000000);
#endif
}
}