ks-t0/WebSever_ServoMove.ino

## WebSever_ServoMove.ino
#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>
#include <ESP8266mDNS.h>
#include <Servo.h>  //サーボモーター用ライブラリを読み込み


const char *ssid = "XXXXXXXXXXXXXXX";
const char *password = "XXXXXXXXXXXXXXX";
MDNSResponder mdns;

ESP8266WebServer server ( 80 );

const int led = 16;

//////////////// ipaddress ////////////////
// the IP address for the shield:
IPAddress ip(192, 168, 11, 86);
IPAddress gateway(192, 168, 11, 38);
IPAddress subnet(255, 255, 255, 0);
//////////////////////////////////////////

//////////// サーボモータ設定 /////////////
Servo myservo; //サーボ用のオブジェクトを作成
int val; //サーボの角度を格納するための変数
//////////////////////////////////////////


//////////// サーボモータ動作 /////////////


void servo() {
        myservo.attach(4); //デジタル4番ピンをサーボの角度命令出力ピンとして設定

        val = 0;

        //90度まで動かす
        for(int i=0; i<=60; i++){
          val = i;
          myservo.write(val);
          delay(15);
        }

        //元の位置に戻す
        for(int i=60; i>=0; i--){
          val = i;
          myservo.write(val);
          delay(15);
        }

        myservo.detach();

        server.send ( 200, "text/plain", "Servo Move!" );
}
//////////////////////////////////////////

void handleRoot() {
	//digitalWrite ( led, HIGH );
	char temp[400];
	int sec = millis() / 1000;
	int min = sec / 60;
	int hr = min / 60;

	snprintf ( temp, 400,

"<html>\
  <head>\
    <meta http-equiv='refresh' content='5'/>\
    <title>ESP8266 Demo</title>\
    <style>\
      body { background-color: #cccccc; font-family: Arial, Helvetica, Sans-Serif; Color: #000088; }\
    </style>\
  </head>\
  <body>\
    <h1>Hello from ESP8266!</h1>\
    <p>Uptime: %02d:%02d:%02d</p>\
    <img src=\"/test.svg\" />\
  </body>\
</html>",

		hr, min % 60, sec % 60
	);
	server.send ( 200, "text/html", temp );
	//digitalWrite ( led, LOW );
}

void handleNotFound() {
	//digitalWrite ( led, HIGH );
	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, LOW );
}

void setup ( void ) {

	////////////////////////////////
	WiFi.config( ip, gateway, subnet );
	////////////////////////////////

  	pinMode ( led, OUTPUT );
	analogWrite( led , 100 );
	Serial.begin ( 115200 );
	WiFi.begin ( ssid, password );
	Serial.println ( "" );

	// Wait for connection
	while ( WiFi.status() != WL_CONNECTED ) {
                analogWrite( led , 100 );
		delay ( 500 );
		Serial.print ( "." );
                analogWrite( led , 0 );
	}

	Serial.println ( "" );
	Serial.print ( "Connected e3to " );
	Serial.println ( ssid );
	Serial.print ( "IP address: " );
	Serial.println ( WiFi.localIP() );

	if ( mdns.begin ( "esp8266", WiFi.localIP() ) ) {
		Serial.println ( "MDNS responder started" );
	}

	server.on ( "/", handleRoot );
	server.on ( "/test.svg", drawGraph );
	server.on ( "/inline", []() {
		server.send ( 200, "text/plain", "this works as well" );
	} );
	server.onNotFound ( handleNotFound );

////////// サーボモータ動作URL ///////////
	server.on ( "/servo", servo );
//////////////////////////////////////////

	server.begin();
	Serial.println ( "HTTP server started" );
}

void loop ( void ) {
	mdns.update();
	server.handleClient();
        //digitalWrite ( led, HIGH );

        int n;
        // iの値を0～100で明るさをゆっくり変化させる(最大は255)
        for (n = 0; n < 100; n++){
          // nの値でLEDを点灯させる
          analogWrite( led , n );
          delay( 30 );
        }

        //元の位置に戻す
        for(int n = 100; n >= 0; n--){
          // nの値でLEDを点灯させる
          analogWrite( led , n );
          delay( 30 );
        }

	// WiFi Lan の監視。
	wifi_lan_check();
}

void drawGraph() {
	String out = "";
	char temp[100];
	out += "<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\" width=\"400\" height=\"150\">\n";
 	out += "<rect width=\"400\" height=\"150\" fill=\"rgb(250, 230, 210)\" stroke-width=\"1\" stroke=\"rgb(0, 0, 0)\" />\n";
 	out += "<g stroke=\"black\">\n";
 	int y = rand() % 130;
 	for (int x = 10; x < 390; x+= 10) {
 		int y2 = rand() % 130;
 		sprintf(temp, "<line x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\" stroke-width=\"1\" />\n", x, 140 - y, x + 10, 140 - y2);
 		out += temp;
 		y = y2;
 	}
	out += "</g>\n</svg>\n";

	server.send ( 200, "image/svg+xml", out);
}

/*
 * void wifi_lan_check()
 *   WiFi Lan の監視。
 *   http://www.netosa.com/blog/2017/10/esp-wroom-02-wi-fi-lan.html
 */
void wifi_lan_check(){
  int i;
  if(WiFi.status() !=3){
    //Serial.print("wifi_lan_check() :#1 st=");
    //Serial.println(WiFi.status());
  }
  if(WiFi.status() != WL_CONNECTED){
    //Serial.println("WiFi disconnected");
    WiFi.disconnect();
    delay(50);
    WiFi.begin(ssid, password);
    i=50;
    while (WiFi.status() != WL_CONNECTED) {
      analogWrite( led , 100 );
      delay(250);
      //Serial.print(".");
      analogWrite( led , 0 );
      i--;
      if(i<0){
        //Serial.println("wifi_lan_check() :#2 ESP.restart()");
        delay(250);
        ESP.restart();
      }
    }
  }
}
	#include <ESP8266WiFi.h>
	#include <WiFiClient.h>
	#include <ESP8266WebServer.h>
	#include <ESP8266mDNS.h>
	#include <Servo.h> //サーボモーター用ライブラリを読み込み


	const char *ssid = "XXXXXXXXXXXXXXX";
	const char *password = "XXXXXXXXXXXXXXX";
	MDNSResponder mdns;

	ESP8266WebServer server ( 80 );

	const int led = 16;

	//////////////// ipaddress ////////////////
	// the IP address for the shield:
	IPAddress ip(192, 168, 11, 86);
	IPAddress gateway(192, 168, 11, 38);
	IPAddress subnet(255, 255, 255, 0);
	//////////////////////////////////////////

	//////////// サーボモータ設定 /////////////
	Servo myservo; //サーボ用のオブジェクトを作成
	int val; //サーボの角度を格納するための変数
	//////////////////////////////////////////


	//////////// サーボモータ動作 /////////////


	void servo() {
	myservo.attach(4); //デジタル4番ピンをサーボの角度命令出力ピンとして設定

	val = 0;

	//90度まで動かす
	for(int i=0; i<=60; i++){
	val = i;
	myservo.write(val);
	delay(15);
	}

	//元の位置に戻す
	for(int i=60; i>=0; i--){
	val = i;
	myservo.write(val);
	delay(15);
	}

	myservo.detach();

	server.send ( 200, "text/plain", "Servo Move!" );
	}
	//////////////////////////////////////////

	void handleRoot() {
	//digitalWrite ( led, HIGH );
	char temp[400];
	int sec = millis() / 1000;
	int min = sec / 60;
	int hr = min / 60;

	snprintf ( temp, 400,

	"<html>\
	<head>\
	<meta http-equiv='refresh' content='5'/>\
	<title>ESP8266 Demo</title>\
	<style>\
	body { background-color: #cccccc; font-family: Arial, Helvetica, Sans-Serif; Color: #000088; }\
	</style>\
	</head>\
	<body>\
	<h1>Hello from ESP8266!</h1>\
	<p>Uptime: %02d:%02d:%02d</p>\
	<img src=\"/test.svg\" />\
	</body>\
	</html>",

	hr, min % 60, sec % 60
	);
	server.send ( 200, "text/html", temp );
	//digitalWrite ( led, LOW );
	}

	void handleNotFound() {
	//digitalWrite ( led, HIGH );
	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, LOW );
	}

	void setup ( void ) {

	////////////////////////////////
	WiFi.config( ip, gateway, subnet );
	////////////////////////////////

	pinMode ( led, OUTPUT );
	analogWrite( led , 100 );
	Serial.begin ( 115200 );
	WiFi.begin ( ssid, password );
	Serial.println ( "" );

	// Wait for connection
	while ( WiFi.status() != WL_CONNECTED ) {
	analogWrite( led , 100 );
	delay ( 500 );
	Serial.print ( "." );
	analogWrite( led , 0 );
	}

	Serial.println ( "" );
	Serial.print ( "Connected e3to " );
	Serial.println ( ssid );
	Serial.print ( "IP address: " );
	Serial.println ( WiFi.localIP() );

	if ( mdns.begin ( "esp8266", WiFi.localIP() ) ) {
	Serial.println ( "MDNS responder started" );
	}

	server.on ( "/", handleRoot );
	server.on ( "/test.svg", drawGraph );
	server.on ( "/inline", []() {
	server.send ( 200, "text/plain", "this works as well" );
	} );
	server.onNotFound ( handleNotFound );

	////////// サーボモータ動作URL ///////////
	server.on ( "/servo", servo );
	//////////////////////////////////////////

	server.begin();
	Serial.println ( "HTTP server started" );
	}

	void loop ( void ) {
	mdns.update();
	server.handleClient();
	//digitalWrite ( led, HIGH );

	int n;
	// iの値を0～100で明るさをゆっくり変化させる(最大は255)
	for (n = 0; n < 100; n++){
	// nの値でLEDを点灯させる
	analogWrite( led , n );
	delay( 30 );
	}

	//元の位置に戻す
	for(int n = 100; n >= 0; n--){
	// nの値でLEDを点灯させる
	analogWrite( led , n );
	delay( 30 );
	}

	// WiFi Lan の監視。
	wifi_lan_check();
	}

	void drawGraph() {
	String out = "";
	char temp[100];
	out += "<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\" width=\"400\" height=\"150\">\n";
	out += "<rect width=\"400\" height=\"150\" fill=\"rgb(250, 230, 210)\" stroke-width=\"1\" stroke=\"rgb(0, 0, 0)\" />\n";
	out += "<g stroke=\"black\">\n";
	int y = rand() % 130;
	for (int x = 10; x < 390; x+= 10) {
	int y2 = rand() % 130;
	sprintf(temp, "<line x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\" stroke-width=\"1\" />\n", x, 140 - y, x + 10, 140 - y2);
	out += temp;
	y = y2;
	}
	out += "</g>\n</svg>\n";

	server.send ( 200, "image/svg+xml", out);
	}

	/*
	* void wifi_lan_check()
	* WiFi Lan の監視。
	* http://www.netosa.com/blog/2017/10/esp-wroom-02-wi-fi-lan.html
	*/
	void wifi_lan_check(){
	int i;
	if(WiFi.status() !=3){
	//Serial.print("wifi_lan_check() :#1 st=");
	//Serial.println(WiFi.status());
	}
	if(WiFi.status() != WL_CONNECTED){
	//Serial.println("WiFi disconnected");
	WiFi.disconnect();
	delay(50);
	WiFi.begin(ssid, password);
	i=50;
	while (WiFi.status() != WL_CONNECTED) {
	analogWrite( led , 100 );
	delay(250);
	//Serial.print(".");
	analogWrite( led , 0 );
	i--;
	if(i<0){
	//Serial.println("wifi_lan_check() :#2 ESP.restart()");
	delay(250);
	ESP.restart();
	}
	}
	}
	}