Wifi modul ESP 8266
testuji měření teploty a zasílání hodnot na server
- SoC – Espressif Systems ESP8266 32-bit RISC processor with 802.11 b/g/n support(32-pin QFN package),
- Wi-Fi – 802.112 b/g/n with WEP, TKIP, AES, and WAPI engines, Wi-Fi direct (P2P), and soft-AP. On-board antenna and u.FL connector
#include <OneWire.h>
#include <DallasTemperature.h>
#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>
#include <EEPROM.h>
//#include <WifiConfig.h>
// EasyIoT server definitions
#define EIOT_USERNAME ""
#define EIOT_PASSWORD ""
#define EIOT_IP_ADDRESS "xxx.xxx.xxx.xxx"
#define EIOT_PORT 80
#define EIOT_NODE "doma"
#define REPORT_INTERVAL 60 // in sec
// Data wire is plugged into port 2 on the Arduino
#define ONE_WIRE_BUS 12
#define TEMPERATURE_PRECISION 10
// Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
OneWire oneWire(ONE_WIRE_BUS);
// Pass our oneWire reference to Dallas Temperature.
DallasTemperature sensors(&oneWire);
DeviceAddress insideThermometer, outsideThermometer;
ESP8266WebServer wwwserver(80); // webovy server - pouzity je jak pro nastaveni ESP modulu pomoci WifiConfig, tak pro praci aplikace
String content;
//WifiConfig wifi; // konfigurace ESP modulu
const char *ssid = "";
const char *password = "";
float oldTemp,humidity,temp_f;
float g_teplota[4];
char dAddress[16];
int Index = 0;
const int sleepTimeS = 30;
int vcc;
int deepsleep = 4 * 60 * 1000 * 1000;
// funkce na zobrazeni uvodni stranky
static void handleRoot(void)
{
content = F("<!DOCTYPE HTML>\n<html>Hello world from ESP8266");
content += F("<p>");
content += F("</html>");
wwwserver.send(200, F("text/html"), content);
}
void setup()
{
Serial.begin(115200);
Serial.println("start\n");
EEPROM.begin(512); // zahajujeme praci s EEPROM
delay(5000);
//WiFi.softAP(ssid);
WiFi.begin(ssid, password);
sensors.begin();
// locate devices on the bus
Serial.print("Locating devices...");
Serial.print("Found ");
Serial.print(sensors.getDeviceCount(), DEC);
Serial.println(" devices.");
Serial.print("Device 0 Address: ");
// report parasite power requirements
Serial.print("Parasite power is: ");
if (sensors.isParasitePowerMode()) Serial.println("ON");
else Serial.println("OFF");
sensors.getAddress(insideThermometer, 0);
sensors.getAddress(outsideThermometer, 1);
sensors.setResolution(insideThermometer, TEMPERATURE_PRECISION);
sensors.setResolution(outsideThermometer, TEMPERATURE_PRECISION);
Serial.println();
pinMode(5, OUTPUT);
}
void client (int) {
wwwserver.handleClient();
}
void loop()
{
vcc = ESP.getVcc();
Serial.println(vcc);
// call sensors.requestTemperatures() to issue a global temperature
// request to all devices on the bus
Serial.print("Requesting temperatures...");
sensors.requestTemperatures();
Serial.println("DONE");
// print the device information
printData(insideThermometer);
printData(outsideThermometer);
ctiTeplotu(0);
ctiTeplotu(1);
sendTeperature();
blink();
ESP.deepSleep(deepsleep, WAKE_RF_DEFAULT);
delay(1000);
}
// function to print a device address
void printAddress(DeviceAddress deviceAddress)
{
for (uint8_t i = 0; i < 8; i++)
{
// zero pad the address if necessary
if (deviceAddress[i] < 16) Serial.print("0");
Serial.print(deviceAddress[i], HEX);
}
}
// function to print the temperature for a device
void printTemperature(DeviceAddress deviceAddress)
{
float tempC = sensors.getTempC(deviceAddress);
Serial.print("Temp C: ");
Serial.print(tempC);
//Serial.println(g_teplota[idx]);
}
void ctiTeplotu(int idx) {
sensors.requestTemperatures();
g_teplota[idx] = sensors.getTempCByIndex(idx);
g_teplota[idx] = sensors.getTempCByIndex(idx);
Serial.println(g_teplota[idx]);
}
void printData(DeviceAddress deviceAddress)
{
Serial.print("Device Address: ");
printAddress(deviceAddress);
Serial.print(" ");
printTemperature(deviceAddress);
Serial.println();
}
// funkce odeslat teplotu klientovi
void temp () {
String message = "Aktualni teplota\n\n";
// call sensors.requestTemperatures() to issue a global temperature
// request to all devices on the bus
//"Requesting temperatures...";
//message += "Temperature for the device 1 (index 0) is: ";
//message += g_teplota;
wwwserver.send ( 200, "text/plain", message );
}
void blink (){
digitalWrite(5,!digitalRead(5)); // turn the LED on (HIGH is the voltage level)
}
void sendTeperature()
{
int x=0;
WiFiClient client;
while(!client.connect(EIOT_IP_ADDRESS, EIOT_PORT)) {
Serial.println("connection failed");
delay(5000);
if ( x > 5 ) {
return;
}
x++;
} // konec while
String url = "";
url += "/IoT/index.php?&Virtual="+ String(EIOT_NODE) + "&ControlLevel[0]="+String(g_teplota[0])+"&ControlLevel[1]="+String(g_teplota[1]); // generate EasIoT server node URL
Serial.print("GET data to URL: ");
Serial.println(url);
client.print(String("GET ") + url + " HTTP/1.1\r\n" +
"Host: " + String(EIOT_IP_ADDRESS) + "\r\n" +
"Connection: close\r\n" +
// "Authorization: Basic " + unameenc + " \r\n" +
"Content-Length: 0\r\n" +
"\r\n");
delay(100);
while(client.available()){
String line = client.readStringUntil('\r');
Serial.print(line);
}
Serial.println();
Serial.println("Connection closed");
}