badvision/webserver.ino

## webserver.ino
#include <string>
#include <WiFi.h>
#include <WiFiClient.h>
#include <WebServer.h>
#include <ESPmDNS.h>
#include "SSD1306.h"

#define SDA    4
#define SCL   15
#define RST   16 //RST must be set by software

#define DISPLAY_HEIGHT 64
#define DISPLAY_WIDTH  128

const char *ssid = "YOUR-SSID-HERE";
const char *password = "YOUR-PASSWORD-HERE";

WebServer server(80);

SSD1306 display(0x3c, SDA, SCL, RST);

const int led = 2; // LED will blink when there is activity

void handleRoot() {
  digitalWrite(led, 1);
  char temp[500];
  int sec = millis() / 1000;
  int min = sec / 60;
  int hr = min / 60;
  snprintf(temp, 500, "<html><head><title>ESP32</title><style>\
body {background-color:#cccccc; font-family:Arial,Helvetica,Sans-Serif; Color:#000088;}\
div {display:inline-block; width:71px;}\
</style></head><body>\
<p>Uptime: %02d:%02d:%02d</p>\
<script>\
for(var i=0;i<40;i++){document.write('<div>Pin '+i+'<input type=\"checkbox\" onclick=\"setPin('+i+',this);\"></div>');}\
function setPin(n,v){var req=new XMLHttpRequest(),u='/pin?num='+n+'&val='+(v.checked?1:0);req.open('GET',u);req.send();}\
</script>\
</body>\
</html>",
    hr, min % 60, sec % 60);
  server.send(200, "text/html", temp);
  digitalWrite(led, 0);
}

void setPin() {
  char temp[41];
  int pinNum = server.arg("num").toInt();
  int newState = server.arg("val").toInt();
  snprintf(temp, 41, "<html><body>Pin %02d state: %1d</body></html>", pinNum, newState);
  server.send(200, "text/html", temp);
  digitalWrite(led, 0);
  pinMode(pinNum, OUTPUT);
  digitalWrite(pinNum, newState);
}

void handleNotFound() {
  digitalWrite(led, 1);
  String message = "File Not Found\n\n";
  message += "URI: ";
  message += server.uri();
  message += "\nMethod: ";
  message += (server.method() == HTTP_GET) ? "GET" : "POST";
  message += "\nArguments: ";
  message += server.args();
  message += "\n";

  for (uint8_t i = 0; i < server.args(); i++) {
    message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
  }

  server.send(404, "text/plain", message);
  digitalWrite(led, 0);
}

void initScreen() {
  display.init();
  display.flipScreenVertically();
  display.setContrast(255);
  display.setLogBuffer(5, 30);
}

void setup(void) {
  initScreen();
  pinMode(led, OUTPUT);
  digitalWrite(led, 0);

  Serial.begin(115200);
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);
  Serial.println("");
  display.clear();
  // Print to the screen
  display.print("Trying: ");
  display.println(ssid);
  display.drawLogBuffer(0, 0);
  // Display it on the screen
  display.display();
  delay(500);

  // Wait for connection
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  display.clear();
  // Print to the screen
  display.println("----------");
  display.print("Connected to ");
  display.println(ssid);
  display.print("IP: ");
  display.println(WiFi.localIP());

  Serial.println("");
  Serial.print("Connected to ");
  Serial.println(ssid);
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());

  if (MDNS.begin("esp32")) {
    Serial.println("MDNS responder started");
    display.println("MDNS responder started");
  }

  server.on("/", handleRoot);
  server.on("/pin", setPin);
  server.onNotFound(handleNotFound);
  server.begin();
  Serial.println("HTTP server started");
  display.println("HTTP server started");
  // Draw it to the internal screen buffer
  display.drawLogBuffer(0, 0);
  // Display it on the screen
  display.display();
}

void loop(void) {
  server.handleClient();
}
	#include <string>
	#include <WiFi.h>
	#include <WiFiClient.h>
	#include <WebServer.h>
	#include <ESPmDNS.h>
	#include "SSD1306.h"

	#define SDA 4
	#define SCL 15
	#define RST 16 //RST must be set by software

	#define DISPLAY_HEIGHT 64
	#define DISPLAY_WIDTH 128

	const char *ssid = "YOUR-SSID-HERE";
	const char *password = "YOUR-PASSWORD-HERE";

	WebServer server(80);

	SSD1306 display(0x3c, SDA, SCL, RST);

	const int led = 2; // LED will blink when there is activity

	void handleRoot() {
	digitalWrite(led, 1);
	char temp[500];
	int sec = millis() / 1000;
	int min = sec / 60;
	int hr = min / 60;
	snprintf(temp, 500, "<html><head><title>ESP32</title><style>\
	body {background-color:#cccccc; font-family:Arial,Helvetica,Sans-Serif; Color:#000088;}\
	div {display:inline-block; width:71px;}\
	</style></head><body>\
	<p>Uptime: %02d:%02d:%02d</p>\
	<script>\
	for(var i=0;i<40;i++){document.write('<div>Pin '+i+'<input type=\"checkbox\" onclick=\"setPin('+i+',this);\"></div>');}\
	function setPin(n,v){var req=new XMLHttpRequest(),u='/pin?num='+n+'&val='+(v.checked?1:0);req.open('GET',u);req.send();}\
	</script>\
	</body>\
	</html>",
	hr, min % 60, sec % 60);
	server.send(200, "text/html", temp);
	digitalWrite(led, 0);
	}

	void setPin() {
	char temp[41];
	int pinNum = server.arg("num").toInt();
	int newState = server.arg("val").toInt();
	snprintf(temp, 41, "<html><body>Pin %02d state: %1d</body></html>", pinNum, newState);
	server.send(200, "text/html", temp);
	digitalWrite(led, 0);
	pinMode(pinNum, OUTPUT);
	digitalWrite(pinNum, newState);
	}

	void handleNotFound() {
	digitalWrite(led, 1);
	String message = "File Not Found\n\n";
	message += "URI: ";
	message += server.uri();
	message += "\nMethod: ";
	message += (server.method() == HTTP_GET) ? "GET" : "POST";
	message += "\nArguments: ";
	message += server.args();
	message += "\n";

	for (uint8_t i = 0; i < server.args(); i++) {
	message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
	}

	server.send(404, "text/plain", message);
	digitalWrite(led, 0);
	}

	void initScreen() {
	display.init();
	display.flipScreenVertically();
	display.setContrast(255);
	display.setLogBuffer(5, 30);
	}

	void setup(void) {
	initScreen();
	pinMode(led, OUTPUT);
	digitalWrite(led, 0);

	Serial.begin(115200);
	WiFi.mode(WIFI_STA);
	WiFi.begin(ssid, password);
	Serial.println("");
	display.clear();
	// Print to the screen
	display.print("Trying: ");
	display.println(ssid);
	display.drawLogBuffer(0, 0);
	// Display it on the screen
	display.display();
	delay(500);

	// Wait for connection
	while (WiFi.status() != WL_CONNECTED) {
	delay(500);
	Serial.print(".");
	}

	display.clear();
	// Print to the screen
	display.println("----------");
	display.print("Connected to ");
	display.println(ssid);
	display.print("IP: ");
	display.println(WiFi.localIP());

	Serial.println("");
	Serial.print("Connected to ");
	Serial.println(ssid);
	Serial.print("IP address: ");
	Serial.println(WiFi.localIP());

	if (MDNS.begin("esp32")) {
	Serial.println("MDNS responder started");
	display.println("MDNS responder started");
	}

	server.on("/", handleRoot);
	server.on("/pin", setPin);
	server.onNotFound(handleNotFound);
	server.begin();
	Serial.println("HTTP server started");
	display.println("HTTP server started");
	// Draw it to the internal screen buffer
	display.drawLogBuffer(0, 0);
	// Display it on the screen
	display.display();
	}

	void loop(void) {
	server.handleClient();
	}