application.cpp

#include <user_config.h>
#include <SmingCore.h>

// If you want, you can define WiFi settings globally in Eclipse Environment Variables
#ifndef WIFI_SSID
#define WIFI_SSID "PleaseEnterSSID" // Put you SSID and Password here
#define WIFI_PWD "PleaseEnterPass"
#endif

#define LED_PIN 0 // GPIO number

HttpServer server;
int counter = 0;

void onIndex(HttpRequest& request, HttpResponse& response)
{
	counter++;
	bool led = request.getQueryParameter("led") == "on";
	digitalWrite(LED_PIN, led);

	TemplateFileStream* tmpl = new TemplateFileStream("index.html");
	auto& vars = tmpl->variables();
	vars["counter"] = String(counter);
	//vars["ledstate"] = (*portOutputRegister(digitalPinToPort(LED_PIN)) & digitalPinToBitMask(LED_PIN)) ? "checked" : "";
	vars["IP"] = WifiStation.getIP().toString();
	vars["MAC"] = WifiStation.getMAC();
	response.sendTemplate(tmpl); // this template object will be deleted automatically
}

void onHello(HttpRequest& request, HttpResponse& response)
{
	response.setContentType(MIME_HTML);
	// Use direct strings output only for small amount of data (huge memory allocation)
	response.sendString("Sming. Let's do smart things.");
}

void onFile(HttpRequest& request, HttpResponse& response)
{
	String file = request.uri.getRelativePath();

	if(file[0] == '.')
		response.code = HTTP_STATUS_FORBIDDEN;
	else {
		response.setCache(86400, true); // It's important to use cache for better performance.
		response.sendFile(file);
	}
}

void startWebServer()
{
	server.listen(80);
	server.paths.set("/", onIndex);
	server.paths.set("/hello", onHello);
	server.paths.setDefault(onFile);

	Serial.println("\r\n=== WEB SERVER STARTED ===");
	Serial.println(WifiStation.getIP());
	Serial.println("==============================\r\n");
}

Timer downloadTimer;
HttpClient downloadClient;
int dowfid = 0;
void downloadContentFiles()
{
	downloadClient.downloadFile("http://simple.anakod.ru/templates/index.html");
	downloadClient.downloadFile("http://simple.anakod.ru/templates/bootstrap.css.gz");
	downloadClient.downloadFile("http://simple.anakod.ru/templates/jquery.js.gz",
								(RequestCompletedDelegate)([](HttpConnection& connection, bool success) -> int {
									if(success) {
										startWebServer();
									}
								}));
}

void gotIP(IPAddress ip, IPAddress netmask, IPAddress gateway)
{
	if(!fileExist("index.html") || !fileExist("bootstrap.css.gz") || !fileExist("jquery.js.gz")) {
		// Download server content at first
		downloadContentFiles();
	} else {
		startWebServer();
	}
}

void init()
{
	spiffs_mount(); // Mount file system, in order to work with files

	pinMode(LED_PIN, OUTPUT);

	Serial.begin(SERIAL_BAUD_RATE); // 115200 by default
	Serial.systemDebugOutput(true); // Enable debug output to serial

	WifiStation.enable(true);
	WifiStation.config(WIFI_SSID, WIFI_PWD);
	WifiAccessPoint.enable(false);

	// Run our method when station was connected to AP
	WifiEvents.onStationGotIP(gotIP);

	//Change CPU freq. to 160MHZ
	System.setCpuFrequency(eCF_160MHz);
	Serial.print("New CPU frequency is:");
	Serial.println((int)System.getCpuFrequency());
}