機器モニタ用システムの製作（１）

#include "Arduino.h"
#include "SD.h"                          
#include <Wire.h>
#include <WebServer.h>
#include <ESPmDNS.h>
#include "AM2320.h"
#include <DS3231.h>
// SD Card select PIN
#define sd_ss           5
/*
#define sd_sck            18
#define sd_mosi           23
#define sd_miso           19
*/
// AD Conversion　R
#define ad_r1           100
#define ad_r2           22
// AD Conversion IO
#define ad_00           36
#define ad_01           39
#define ad_02           34
// Pilot Lamp 
#define Pilot_Lamp      13
// DS3231 Flg 
#define every_s         0x0f    //Alarm once per second
#define match_s         0x0e    //Alarm when seconds match
#define match_ms        0x0c    //Alarm when min, sec match
#define match_hms       0x08    //Alarm when hour, min, sec match
#define match_dhms      0x00    //Alarm when date, h, m, s match
#define match_whms      0x00    //Alarm when DoW, h, m, s match
#define alarm1          1
#define alarm2          2
int led_stat;
WebServer server(80);
const char *SSID = "XXXXXXXX";
const char *PASSWORD = "YYYYYYYY";
DS3231 Clock;
byte tm_data[10];           //Year,Month,Date,DoW,Hour,Minute,Secon
void setup() 
{
    pinMode(Pilot_Lamp, OUTPUT);
    digitalWrite(Pilot_Lamp, LOW);
    Serial.begin(115200);
    delay(500);
    
    Wire.begin();
    SPI.begin();
    SD.begin(sd_ss);
    init_DS3231();
    Serial.println("Connecting to WiFi");
    WiFi.disconnect(true);
    WiFi.softAPdisconnect(true);
    delay(500);
    WiFi.mode(WIFI_STA);
    WiFi.begin(SSID, PASSWORD);
    delay(1000);
    // Try forever
    while (WiFi.status() != WL_CONNECTED) {
        Serial.println("...Connecting to WiFi");
        delay(1000);
    }
    Serial.println("Connected");
    Serial.println(SSID);
    Serial.print("IP address: ");
    Serial.println(WiFi.localIP());
    if (MDNS.begin("esp32solar")) {
        Serial.println("MDNS responder started");
    }
    server.on("/", handleRoot);
    server.onNotFound(handleWebRequests); 
    server.begin();
    Serial.println("HTTP server started");
    
    digitalWrite(Pilot_Lamp, HIGH);
}
void loop() 
{
  server.handleClient();
}
void handleRoot() {
  String buf,cmd;
  int a,b,fl;
  File dataFile;
  float h_data[2];
  uint8_t para[7];
    fl=1; 
    cmd=server.argName(0);
    switch(cmd.toInt())
    {
      case 1:   // Update Data
                break;
                
      case 99:  // Back or Cansel
                break;      
      
      case 2:   //Set TIME (send url data)
                dataFile = SD.open("/Set_Time.html", FILE_READ);
                server.streamFile(dataFile,"text/html");
                dataFile.close();
                fl=0;
                break;
      case 80:  // Send Solar parameter
                buf=get_current_time() + ",";
                AM2320(h_data);
                buf += ("Temp:" + String(h_data[1]) + "'c / Humi:" + String(h_data[0]) +"%,");
                buf += (String(get_volt(ad_00)) + "v / " + String(get_volt(ad_01)) + "v / " + String(get_volt(ad_02)) + "v,");
                server.send(200, "text/plain", buf);
                fl=0;
                break;
              
      case 81:  // Send RTC parameter
                get_DS3231(tm_data);
                buf = "";
                for(a = 0; a < 7; a ++) buf += (String(tm_data[a]) + ",");
                server.send(200, "text/plain", buf);
                fl=0;
                break;
              
      case 100: // Set TIME
                buf=server.arg("100");
                b=0;
                for(a=0; a<7; a++)
                {
                    cmd="";
                    while( buf[b] != ',') 
                    {
                        cmd += buf[b];
                        b ++;
                    }
                    tm_data[a]=cmd.toInt(); b ++; 
                }
                set_DS3231(tm_data);
                break;
    }
    
    if(fl)
    {
      dataFile = SD.open("/menu.html", FILE_READ);
      server.streamFile(dataFile,"text/html");
      dataFile.close();
    }
}
void init_DS3231()
{
    Clock.turnOffAlarm(alarm1);               // Disables alarm 1 or 2 (default is 2 if Alarm != 1);
    Clock.turnOffAlarm(alarm2);               // Disables alarm 1 or 2 (default is 2 if Alarm != 1);
    Clock.setClockMode(0);
}
//#define CLOCK_ADDRESS 0x68
void set_DS3231(byte* tm_data)
{
    Clock.setYear(tm_data[0]);          //Set the year (Last two digits of the year)
    Clock.setMonth(tm_data[1]);                
    Clock.setDate(tm_data[2]);         
    Clock.setDoW(tm_data[3]);           //Set the day of the week  SUN=1 / SAT=7
    Clock.setHour(tm_data[4]);          
    Clock.setMinute(tm_data[5]);        
    Clock.setSecond(tm_data[6]);       
}
void get_DS3231(byte* tm_data)
{
  bool Century=false;
  bool h12;
  bool PM;
    
    tm_data[0] = Clock.getYear();
    tm_data[1] = Clock.getMonth(Century);
    tm_data[2] = Clock.getDate();
    tm_data[3] = Clock.getDoW();
    tm_data[4] = Clock.getHour(h12,PM);
    tm_data[5] = Clock.getMinute();
    tm_data[6] = Clock.getSecond();
}
String digit_2(byte num)
{
  String str;
    if(num < 10) str = ("0" + String(num));
    else str = String(num);
    return (str);
}
String get_current_time()
{
  uint8_t a;
  String buf;
  String w_data[8]={"Sun","Mon","Tue","Wen","Thu","Fri","Sat"};
    get_DS3231(tm_data);
    buf=String(tm_data[0] + 2000);
    buf += ("/" + digit_2(tm_data[1]));
    buf += ("/" + digit_2(tm_data[2]));
    buf += ("/" + w_data[tm_data[3] - 1] + "/");
    for(a = 4; a < 7; a ++)
    {
        buf += digit_2(tm_data[a]);
        if(a != 6) buf += ":";
    }
    return(buf);    
}
void handleWebRequests()
{
  String dataType = "text/plain";
  String path;
  File dataFile;
   
    path = server.uri();
    if(path.endsWith(".txt")) dataType = "text/plain";
    else if(path.endsWith(".css")) dataType = "text/css";
    else if(path.endsWith(".js")) dataType = "application/javascript";
    else if(path.endsWith(".png")) dataType = "image/png";
    else if(path.endsWith(".html")) dataType = "text/html";
    else if(path.endsWith(".jpg")) dataType = "image/jpeg";
    delay(5);
    dataFile = SD.open(path.c_str(), "r");
    server.streamFile(dataFile, dataType);
    dataFile.close();
    delay(5);
}
float get_volt(int no)
{
  float d_vol;
  
    d_vol = analogRead(no);
    
    d_vol *= 3.6; d_vol /= 4095;
    d_vol *= ((ad_r1 + ad_r2) / ad_r2); 
    d_vol *= 1.1;
    return(d_vol);
}

<!doctype html>
<html>
    <head>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width,initial-scale=1">
        <link rel='stylesheet' type='text/css' href='menu.css' >
        <title>ESP32 Solar</title>
    </head>
    <body>
	<center>
            <div style='font-size:35px'><b><i><u>Set Time</u></i></b><br><br></div>
            <div class="menu">
		<div class="input-group"> 
		　　　<label>Year:</label>
		　　　<div >
			20<input type='number' max='99' min='0' id='100' class='inp_box' onchange='onChg_Set_Year()' />
		　　　</div>
		</div>
		<div class="input-group"> 
		　　　<label>Month/Day/Weekday:</label>
			　　<div>
				<input type='number' max='12' min='1' id='101' class='inp_box' />(M)
				<input type='number' max='31' min='1' id='102' class='inp_box' />(D)
                           	<select id="103" style="width:65px">
 	                              <option value='1' selected >Sun.</option>
        	                       <option value='2'>Mon.</option>
        	                       <option value='3'>Tue.</option>
        	                       <option value='4'>Wen.</option>
        	                       <option value='5'>Thu.</option>
        	                       <option value='6'>Fry.</option>
        	                       <option value='7'>Sat.</option>
        	                   </select>
			　　</div>
		</div> 
		<div class="input-group"> 
			<label>Hour/Minute/Second:</label>
			<div>
				<input type='number' max='23' min='0' id='104' class='inp_box' />(H)
				<input type='number' max='59' min='0' id='105' class='inp_box' />(M)
				<input type='number' max='59' min='0' id='106' class='inp_box' />(S)
			</div>
		</div>
               <form method='get' class="input-group">
                   <button type='submit' name='99' value='2' >Back</button>
                   <button type='submit' name='100' value='2'  onclick='onBtn_Set_Time()' >Set</button>
               </form>
       　　</div>
　　　　</center>
	<script>
		function onChg_Set_Year() {
 		var a;
 			a=Number(document.getElementById("100").value);
			if(a < 10) document.getElementById("100").value="0" + String(a);
		}
		function onBtn_Set_Time() {
		var a;
		var str="";
			for(a=100; a<107; a ++) str += (document.getElementById(String(a)).value + ",");
			document.getElementsByName('100')[0].value=str;
		}
		var para=['0','0','0','0','0','0','0'];
	    　　var url = "http://esp32solar.loacl/?80=";
		var xhr = new XMLHttpRequest();	
		var a,b,str;
      
		    xhr.open('GET', url);
		    xhr.send();
     
		    xhr.onreadystatechange = function() 
		    {
		    	if(xhr.readyState === 4 && xhr.status === 200) 
		      	{
		        	console.log( xhr.responseText );
		        	b=0;
		        	for(a=0; a<7; a++)
        			{
		        	    para[a]='';
        			    while( xhr.responseText[b] != ',') 
		        	    {
		        	        para[a] += xhr.responseText[b];
        			        b ++;
		        	    }
		        	    b ++; 
		        	}
				if(Number(para[0]) < 10) 
					para[0] += ("0" + para[0]);
			
			        for(a=0; a<7; a++)
				{
					document.getElementById(String(a + 100)).value=para[a];
		        	　　if(a == 3) 
					document.getElementById("103").selectedIndex=Number(para[a]);
				}
	   		}
				onChg_Set_Year();			
		}
	</script>
    </body>
</html>