#include "ThingSpeak.h"
#include <Ethernet.h>
#include "secrets.h"
byte mac[] = SECRET_MAC;
// Set the static IP address to use if the DHCP fails to assign
byte ip[] = {
192, 168, 0, 199 };
EthernetClient client;
// Weather station channel details
unsigned long weatherStationChannelNumber = SECRET_CH_ID_WEATHER_STATION;
unsigned int temperatureFieldNumber = 4;
void setup() {
Serial.begin(9600L); //Initialize serial
delay (4000); //WVC
// start the Ethernet connection:
Serial.println("Initialize Ethernet");
Ethernet.begin(mac, ip);
// Check for Ethernet hardware present
if (Ethernet.hardwareStatus() == EthernetNoHardware) {
Serial.println("Ethernet shield was not found. Sorry, can't run without hardware. :(");
while (true) {
delay(1); // do nothing, no point running without Ethernet hardware
}
}
if (Ethernet.linkStatus() == LinkOFF) {
Serial.println("Ethernet cable is not connected.");
}
// try to congifure using IP address instead of DHCP:
// Ethernet.begin(mac, ip, myDns); //WVC
// give the Ethernet shield a second to initialize:
delay(1000);
Serial.println("initialize TS");
ThingSpeak.begin(client); // Initialize ThingSpeak
}
void loop() {
int statusCode = 0;
// Read in field 4 of the public channel recording the temperature
float temperatureInF = ThingSpeak.readFloatField(weatherStationChannelNumber, temperatureFieldNumber);
// Check the status of the read operation to see if it was successful
statusCode = ThingSpeak.getLastReadStatus();
if(statusCode == 200){
Serial.println("Temperature at MathWorks HQ: " + String(temperatureInF) + " deg F");
}
else{
Serial.println("Problem reading channel. HTTP error code " + String(statusCode));
}
delay(15000); // No need to read the temperature too often.
}
