mqtt_wifi_arduino.h

// Update these with values suitable for your network.
uint8_t server[] = { 54, 77, 160, 162 }; // MQTT server IP address
#define mqttPort 1883

const char ssid[] = "Pallina1";			// network SSID (name) 
const char wifiPass[] = "Cicciob8";		// network password (use for WPA, or use as key for WEP)
const char mqttUser[] = "testmqtt1";	// MQTT user
const char mqttPass[] = "Password123!";	// MQTT password
// MQTT topic and subtopics
const char baseTopic[] PROGMEM = "Temperature";		
const char messageTopic[] PROGMEM = "/Messages";
const char alarmTopic[] PROGMEM = "/Alarms";
const char statusTopic[] PROGMEM = "/Statuses";
const char cmdTopic[] PROGMEM = "/Command";
// JSON key for commands to execute
const char cmdKey[] = "Command";
const char HzKey[] = "Hz";
const char freqSampleKey[] = "fSample";
const char intervalKey[] = "Interval";

unsigned long interval = 300000l;	// publishing interval: 300000 ms = 5 min

unsigned long prevTime = 0;

char mqttClientId[18];					// ClientId

int status = WL_IDLE_STATUS;
char printbuf[100];
//char tempbuf[20];
char jtempbuf[100];

// frequency of the playing note at setup
#define curFreq 50
double freqSum = 0;	// frequency measure before average on reads
int freqCount = 0;	// frequency read count
float lastReadFreq = 0; // last read frequecy
int freqMaxCount = 10;	// frequency sampling


// WiFi Shield Reserved pins
//  4 SS for SD Card
//  7 Handshake
// 10 SS for WiFi
// 11 SPI
// 12 SPI
// 13 SPI

// OneWire DS18S20 Signal pin on digital 3
#define DS18S20_Pin 3

// LED pins
#define Red_led 6
#define Yellow_led 2
#define Green_led 9

// Frequency input and output pins
#define freqOut_pin A0
#define freqIn_pin 8

// debugger definition and macro
// uncomment the following line to debug
 #define DEBUG

#ifdef DEBUG
#define DEBUG_PRINT(x)  Serial.println(x)
#else
#define DEBUG_PRINT(x)
#endif