weather-station/Arduino/outdoor-weather-station/03_log_data.ino

#include <WiFi.h>
#include <WiFiClientSecure.h>

#define PORT 443

// Connect to example.com as a test method.
void getSomething() {
	showProgress(PROGRESS_GREEN);
	String content = String("GET / HTTP/1.1\r\n")
				+ "Host: example.com\r\n"
				+ "User-Agent: ESP32/FunHouse/tarka-outdoor-weather-station" + "\r\n"
				+ "Connection: close" + "\r\n";

	WiFiClientSecure client;
	client.setInsecure();
	debug("Connectiong to: example.com");
	showProgress(PROGRESS_GREEN);

	if(!client.connect("example.com", 443)) {
		debug("Connection failed!");
		ERR;
	}

	debug("Connection established. Sending headers & body.");
	showProgress(PROGRESS_GREEN);
	client.print(content);

	// Wait for things to happen
	showProgress(PROGRESS_GREEN);
	delay(500);

	while(client.available()) {
		showProgress(PROGRESS_GREEN);
		String line = client.readStringUntil('\n');
		debug("Read line: %s", line);
	}
	hideProgress();
	debug("===== Done =====");
}

// Upload data to RTDB.
boolean uploadData(
	float temperature,
	float pressure,
	float humidity,
	float light
) {
	showProgress(PROGRESS_GREEN);
	String data = String("{")
				+ "\t\"temperature\": " + temperature + ",\n"
				+ "\t\"pressure\": " + pressure + ",\n"
				+ "\t\"humidity\": " + humidity + ",\n"
				+ "\t\"light\": " + light + ",\n"
				+ "\t\"time\": { \".sv\": \"timestamp\" }\n"
				+ "}";
	debugln("Content body: ", data);

	String content = String("POST ") + RTDB_URL + " HTTP/1.1\r\n"
				+ "Host: " + RTDB_HOST + "\r\n"
				+ "User-Agent: ESP32/FunHouse/tarka-outdoor-weather-station" + "\r\n"
				+ "Content-Type: application/x-www-form-urlencoded" + "\r\n"
				+ "Accept: */*" + "\r\n"
				+ "Content-Length: " + data.length() + "\r\n"
				+ "Connection: close" + "\r\n"
				+ "\r\n"
				+ data;

	debugln("HTTP request: ", content);

	WiFiClientSecure client;
	client.setInsecure();
	showProgress(PROGRESS_GREEN);
	debugln("Connectiong to: ", RTDB_HOST);

	if(!client.connect(RTDB_HOST.c_str(), PORT)) {
		debug("Connection failed!");
		showError();
		return false;
	}

	debug("Connection established. Sending headers & body.");
	showProgress(PROGRESS_GREEN);
	client.print(content);

	// Wait for things to happen
	showProgress(PROGRESS_GREEN);
	delay(500);

	while(client.available()) {
		showProgress(PROGRESS_GREEN);
		String line = client.readStringUntil('\n');
		debugln("Read line: ", line);
	}
	debug("===== Done =====");

	hideProgress();
	return true;
}