EspThermometer2/sketch/application.cpp
2019-11-18 17:50:09 +01:00

103 lines
1.8 KiB
C++

/*
* production.cpp
*
* Created on: Aug 20, 2017
* Author: wn
*/
#include "defines.h"
#define MQTT_MAX_PACKET_SIZE 256
#include <OneWire.h>
#include <DallasTemperature.h>
#include <mqttHandling.h>
#include "configuration.h"
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);
extern uint32_t startTime;
void setupApplication() {
mqttSetup();
sensors.begin();
#ifdef DEBUG
uint8_t num = sensors.getDeviceCount();
Serial.print("device count: ");
Serial.println(num);
#endif
sensors.setResolution(12);
}
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, "{\"location\":\"%s\", \"temperature\":%d.%d, \"battery\":%d.%d, \"duration\":%ld}", configBlock.mqttClientId, t1, t2, v1, v2, duration);
#ifdef DEBUG
Serial.println(payload);
#endif
mqttClient.publish(configBlock.mqttTopic, payload, true);
}
void loopApplication() {
static uint32_t lastMillis = 0;
mqttLoop();
uint32_t currentMillis = millis();
if (currentMillis - lastMillis > 1000) {
lastMillis = currentMillis;
read_thermometer();
#ifdef SLEEP
#ifdef DEBUG
Serial.println("Sleeping");
#endif
mqttClient.disconnect();
ESP.deepSleep(configBlock.measurePeriod * 1000000);
#endif
}
}