Del me

network.cpp

/**
 * @brief Sends a peice of data over TCP to our backend.
 * @details Does a DNS lookup for our backend, sets up a TCP connection, and sends our data.
 * 
 * @param  An enum for if we want to send our data over Wireless or Wired.
 */
void Network::send_packet(Network::Interface interface){
	if (interface == Wired) {
		// https://api.thingspeak.com/update?key=8ZISX29L64E3ZDHW&field1=0

		Stash stash;
		byte sd = stash.create();
		stash.print("field1=3");
		stash.save();

		// generate the header with payload - note that the stash size is used,
	    // and that a "stash descriptor" is passed in as argument using "$H" 
	    Stash::prepare(
	    	PSTR("POST /update HTTP/1.1\n"
	    		 "Host: api.thingspeak.com\n"
	             "Connection: close\n"
	             "X-THINGSPEAKAPIKEY: 8ZISX29L64E3ZDHW\n"
	             "Content-Type: application/x-www-form-urlencoded\n"
	             "Content-Length: $D\n\n"
	             "$H"),
	    	stash.size(), sd);

		// send the packet - this also releases all stash buffers once done
	    byte session = ether.tcpSend();

		Serial.println("Send TCP packet to thingspeak!");

		while(1){
			ether.packetLoop(ether.packetReceive());

			  const char* reply = ether.tcpReply(session);
			  if (reply != 0) {
			    Serial.println("Got a response!");
			    Serial.println(reply);
			  }
		}
	}
}