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I am not even sure if I am going to use AT+CMD format.picstart wrote:Spiffs is a file system and const myarray[] is an addressable array. Both have value but both are very different.
The spiffs snippet for a BMP180 data storage3 and later retrieval via a web page is interesting .....is there a way to get the complete code?
/*---------------------------------------------------
_____
</\|/\>
_-_-_-_ *|* _-_-_-_
-_-_-_-_-\@/-_-_-_-_-
HTTP 1.1 Temperature & Humidity Webserver for ESP8266
for ESP8266 adapted in the Arduino IDE
Espressif SDK Functionality in the form of a dignostics page
Server Layout
http://ipaddress/diag SDK Functionality
/monitor Google Gauges 2 DHT11
/graphic Google Line Chart - 2 DHT11, BMP Temp, Vcc
/graphic2 Google Line Chart - BMP180
/table Datalog Table
/yfireset Reset the WiFi Connection
/srestart Reboot the system(ESP must be cold booted, this will fail directly after uploading a sketch)
/pressure Pressure Gauge from BMP180
/ Web to LCD
Credits to Stefan Thesen and The Guy's at .......http://www.ESP8266.com
With the use of http://espressif.com/new-sdk-release
The ESP8266 Arduino Reference http://arduino.esp8266.com/versions/1.6.5-1160-gef26c5f/doc/reference.html
With this release and a 1MByte Flash with 512KB SPIFFS can hold 3328 records of 120 bytes long Approx. 390KB
Set up an account at http://smtp2go.com
Encrypt your Password & Username using https://www.base64encode.org/
This evolution is the product of the Environment Monitor......
environmental.monitor.log@gmail.com
See a feed from 2 DHT11's on twitter at http://twitter.com/DDTMonitor
This will read various sensors and send an Email at a time or Sensor Condition
With the Data from the Sensors presented via Web Gauges, Graphs & Tables.....
Setup = 2 * DHT11 + BMP180 and an ESP8266-07 with 1MB Flash
There are various pins used to load boot code so if you change pins and it does not boot this is WHY!!
I2C GPios 4 & 5
DHT GPio 14 & 16
__________________________________________________________________________________________________
......Use 5v to 3v Level Shifters as 5V devices like PIR and HC-SR04 can damage your device.......
--------------------------------------------------------------------------------------------------
___/'¬_ /\
{_-_ ^ \_______//
/ \
\ _ _____ /
|| || |||
|| || |||
---------------------------------------------------*/
#include <ESP8266WiFi.h>
#include <WiFiUdp.h>
#include "time_ntp.h"
#include "FS.h"
#include "DHT.h"
#include <Wire.h>
#include <SFE_BMP180.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2); // set the LCD address to 0x20 for a 16 chars and 2 line display
SFE_BMP180 pressure;
// WiFi connection
const char* ssid = "ssid";
const char* password = "password";
String toaddres = "RCPT To: <Valid Email>"; // Where your Last 24Hr Log has to be emailed To.......Time set below....
String frmaddrs = "MAIL From: <email setup with SMTP2GO>"; // Where your Log has to be emailed From.......
String b64Usernm = "username"; // B64 Encrypted smtp2go Username
String b64Passwd = "password"; // B64 Encrypted smtp2go Password
String lastdata;
String lastpres;
String DsTable; //Discarded parts if the Strings......
String tmtxt1; //Strings from the Web....
String tmtxt2;
boolean got_text = false; //Print the Text to LCD if true......
boolean barom = false;
double baseline; // baseline pressure
// ntp timestamp
unsigned long ulSecs2000_timer=0;
//place holders
unsigned long lc=0;
int done=0;
// storage for Measurements; keep some mem free; allocate remainder
#define KEEP_MEM_FREE 21576
#define MEAS_SPAN_H 24
unsigned long ulMeasCount=0; // values already measured
unsigned long ulNoMeasValues=0; // size of array
unsigned long ulMeasDelta_ms; // distance to next meas time
unsigned long ulNextMeas_ms; // next meas time
unsigned long *pulTime; // array for time points of measurements stored in SRAM
float pfTemp,pfHum,pfTemp1,pfHum1,pfVcC; // array for Environment/System measurements stored in SPIFFS
unsigned long ulReqcount; // how often has a valid page been requested
unsigned long ulReconncount; // how often did we connect to WiFi
unsigned long Dfsize;
// Create an instance of the server on Port 80-89 = Sensor 1 - 10
WiFiServer server(80);
WiFiClient client;
char popyahoo[] = "smtpcorp.com"; // set email service
int port = 2525;
////////////////////////////////////
// DHT21 / AMS2301 / DHT11 /DHT22 //
////////////////////////////////////
#define DHTPIN 14
#define DHTPIN1 16
ADC_MODE(ADC_VCC);
// Uncomment whatever type you're using!
#define DHTTYPE DHT11 // DHT 11
//#define DHTTYPE DHT22 // DHT 22 (AM2302)
//#define DHTTYPE DHT21 // DHT 21 (AM2301)
// Declare each sensor
DHT dht(DHTPIN, DHTTYPE,12);
DHT dht1(DHTPIN1, DHTTYPE,13);
// needed to avoid link error on ram check
extern "C"
{
#include "user_interface.h"
}
void wsysreset()
{
//Perform challenge to user before getting here to reboot !!!
//Make an attempt to send mail or other backup of log files then reboot
ESP.restart();
}
/////////////////////
// the setup routine
/////////////////////
void setup()
{
dht.begin();
dht1.begin();
// setup globals
ulReqcount=0;
ulReconncount=0;
pinMode(0, INPUT); //Use the Flash Button.........
// initialize the lcd
lcd.init();
lcd.backlight();
// initialize the SPIFFS
if (!SPIFFS.begin()) {
lcd.print("SPIFFSinitFailed");
while(1);
}
// clear any old data....
if (SPIFFS.exists("/humidlog.old")){ SPIFFS.remove("/humidlog.old");}
if (SPIFFS.exists("/humidlog.CSV")){ SPIFFS.rename("/humidlog.CSV", "/humidlog.old");}
if (pressure.begin())
{
}
else
{
// Oops, something went wrong, this is usually a connection problem,
// see the comments at the top of this sketch for the proper connections.
lcd.print("BMP180 init fail");
while(1); // Pause forever.
}
baseline = getPressure();
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Sensor Init Done");
// inital connect
WiFi.mode(WIFI_STA);
WiFiStart();
server.begin();
// allocate ram for data storage
uint32_t free=system_get_free_heap_size() - KEEP_MEM_FREE;
ulNoMeasValues = free / (sizeof(unsigned long)); // array for time
pulTime = new unsigned long[ulNoMeasValues];
/* pfTemp = new float[ulNoMeasValues]; // Now Stored in SPIFFS File.............
pfHum = new float[ulNoMeasValues];
pfTemp1 = new float[ulNoMeasValues];
pfHum1 = new float[ulNoMeasValues];
pfVcC = new float[ulNoMeasValues];
pfBMPT = new float[ulNoMeasValues];
pfBMP = new float[ulNoMeasValues];
*/
if (pulTime==NULL)
{
ulNoMeasValues=0;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Error in memory");
}
else
{
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Set storage for ");
lcd.clear();
lcd.setCursor(0, 1);
lcd.print("Data Points ");
lcd.print(ulNoMeasValues);
float fMeasDelta_sec = MEAS_SPAN_H*3350./ulNoMeasValues;
ulMeasDelta_ms = ( (unsigned long)(fMeasDelta_sec+0.5) ) * 1000; // round to full sec
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Sample Every");
lcd.setCursor(0, 1);
lcd.print(ulMeasDelta_ms/1000);
lcd.print(" Seconds");
ulNextMeas_ms = millis()+ulMeasDelta_ms;
}
}
///////////////////
// (re-)start WiFi
///////////////////
void WiFiStart()
{
ulReconncount++;
// Connect to WiFi network
lcd.clear();
lcd.print("Connecting to ");
lcd.setCursor(0, 1);
lcd.print(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED)
{
delay(500);
lcd.print(".");
}
lcd.clear();
lcd.print("WiFi connected");
// Start the server
lcd.setCursor(0, 1);
server.begin();
lcd.print("Server started");
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Network Started ");
// Print the IP address
lcd.setCursor(0, 1);
lcd.print("IP= ");
lcd.print(WiFi.localIP());
///////////////////////////////
// connect to NTP and get time
///////////////////////////////
ulSecs2000_timer=getNTPTimestamp();
lcd.clear();
lcd.setCursor(8,0);
lcd.print(epoch_to_string(ulSecs2000_timer).c_str());
ulSecs2000_timer -= millis()/1000; // keep distance to millis() counter
}
double getPressure()
{
char status;
double T,P,p0,a;
// You must first get a temperature measurement to perform a pressure reading.
// Start a temperature measurement:
// If request is successful, the number of ms to wait is returned.
// If request is unsuccessful, 0 is returned.
status = pressure.startTemperature();
if (status != 0)
{
// Wait for the measurement to complete:
delay(status);
// Retrieve the completed temperature measurement:
// Note that the measurement is stored in the variable T.
// Use '&T' to provide the address of T to the function.
// Function returns 1 if successful, 0 if failure.
status = pressure.getTemperature(T);
if (status != 0)
{
// Start a pressure measurement:
// The parameter is the oversampling setting, from 0 to 3 (highest res, longest wait).
// If request is successful, the number of ms to wait is returned.
// If request is unsuccessful, 0 is returned.
status = pressure.startPressure(3);
if (status != 0)
{
// Wait for the measurement to complete:
delay(status);
// Retrieve the completed pressure measurement:
// Note that the measurement is stored in the variable P.
// Use '&P' to provide the address of P.
// Note also that the function requires the previous temperature measurement (T).
// (If temperature is stable, you can do one temperature measurement for a number of pressure measurements.)
// Function returns 1 if successful, 0 if failure.
status = pressure.getPressure(P,T);
if (status != 0)
{
return(P);
}
else lcd.print("ror retrieving P");
}
else lcd.print("error starting P");
}
else lcd.print("ror retrieving T");
}
else lcd.print("error starting T");
}
/////////////////////////////////////
// make html table for measured data
/////////////////////////////////////
unsigned long MakeTable (WiFiClient *pclient, bool bStream)
{
unsigned long ulLength=0;
// here we build a big table.
// we cannot store this in a string as this will blow the memory
// thus we count first to get the number of bytes and later on
// we stream this out
if (ulMeasCount==0)
{
String sTable = "No data available yet.<BR>";
if (bStream)
{
pclient->print(sTable);
}
ulLength+=sTable.length();
}
else
{
unsigned long ulEnd;
if (ulMeasCount>ulNoMeasValues)
{
ulEnd=ulMeasCount-ulNoMeasValues;
}
else
{
ulEnd=ulMeasCount;
}
File logF = SPIFFS.open("/humidlog.CSV", "r");
if (!logF) {
lcd.clear();
lcd.print("rOr humidlog.CSV");
while(1);
}
String sTable;
String DsTable="";
sTable = "<table style=\"width:100%\"><tr><th>Time / GMT</th><th>Int Temperature °C</th><th>Int Humidity %</th><th>Ext Temperature °C</th><th>Ext Humidity %</th><th>System Vcc</th><th>BMP Temp</th><th>Pressure MilliBar</th></tr>";
sTable += "<style>table, th, td {border: 2px solid black; border-collapse: collapse;} th, td {padding: 5px;} th {text-align: left;}</style>";
for (unsigned long li=0;li<ulEnd;li++)
{
unsigned long ulIndex=(li)%ulNoMeasValues;
sTable += "<tr><td>";
sTable += epoch_to_string(pulTime[ulIndex]).c_str();
sTable += "</td><td>";
DsTable = logF.readStringUntil('[');
sTable += logF.readStringUntil(',');
sTable += "</td><td>";
sTable += logF.readStringUntil(',');
sTable += "</td><td>";
sTable += logF.readStringUntil(',');
sTable += "</td><td>";
sTable += logF.readStringUntil(',');
sTable += "</td><td>";
sTable += logF.readStringUntil(',');
sTable += "</td><td>";
sTable += logF.readStringUntil(']');
sTable += "</td><td>";
sTable += logF.readStringUntil(',');
sTable += "</td></tr>";
// play out in chunks of 1k
if(sTable.length()>1024)
{
if(bStream)
{
pclient->print(sTable);
//pclient->write(sTable.c_str(),sTable.length());
}
ulLength+=sTable.length();
sTable="";
}
}
// remaining chunk
sTable+="</table>";
ulLength+=sTable.length();
if(bStream)
{
pclient->print(sTable);
//pclient->write(sTable.c_str(),sTable.length());
}
}
return(ulLength);
}
////////////////////////////////////////////////////
// make google chart object table for measured data
////////////////////////////////////////////////////
unsigned long MakeList (WiFiClient *pclient, bool bStream)
{
unsigned long ulLength=0;
// here we build a big list.
// we cannot store this in a string as this will blow the memory
// thus we count first to get the number of bytes and later on
// we stream this out
if (ulMeasCount>0)
{
unsigned long ulBegin;
if (ulMeasCount>ulNoMeasValues)
{
ulBegin=ulMeasCount-ulNoMeasValues;
}
else
{
ulBegin=0;
}
File logF = SPIFFS.open("/humidlog.CSV", "r");
if (!logF) {
lcd.clear();
lcd.print("rOr humidlog.CSV");
while(1);
}
String sTable="";
String DsTable="";
for (unsigned long li=ulBegin;li<ulMeasCount;li++)
{
// result shall be ['18:24:08 - 21.5.2015',21.10,49.00],
unsigned long ulIndex=li%ulNoMeasValues;
sTable += "['";
sTable += epoch_to_string(pulTime[ulIndex]).c_str();
sTable += "',";
DsTable = logF.readStringUntil('[');
if (barom == true){
DsTable += logF.readStringUntil(']');// Pressure Measurements are a different Scale......hence simple separation....
sTable += logF.readStringUntil(',');
}
else{
sTable += logF.readStringUntil(']');// Pressure Measurements are a different Scale......hence simple separation....
}
sTable += "],\n";
// play out in chunks of 1k
if(sTable.length()>1024)
{
if(bStream)
{
pclient->print(sTable);
//pclient->write(sTable.c_str(),sTable.length());
}
ulLength+=sTable.length();
sTable="";
}
}
// remaining chunk
if(bStream)
{
pclient->print(sTable);
//pclient->write(sTable.c_str(),sTable.length());
}
ulLength+=sTable.length();
}
return(ulLength);
}
//////////////////////////
// create HTTP 1.1 header
//////////////////////////
String MakeHTTPHeader(unsigned long ulLength)
{
String sHeader;
sHeader = F("HTTP/1.1 200 OK\r\nContent-Length: ");
sHeader += ulLength;
sHeader += F("\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n");
return(sHeader);
}
////////////////////
// make html footer
////////////////////
String MakeHTTPFooter()
{
String sResponse;
sResponse = F(" ");
/* sResponse += ulReqcount;
sResponse += F(" - Restarted WiFi Connection Count = ");
sResponse += ulReconncount;
sResponse += F(" - Free RAM = ");
sResponse += (uint32_t)system_get_free_heap_size();
sResponse += F(" - Max. Dataset Size = ");
sResponse += ulNoMeasValues;*/
sResponse += F("<BR>environmental.monitor.log@gmail.com<BR><FONT SIZE=-2>ESP8266 With DHT11 & BMP180 Sensors<BR><FONT SIZE=-2>Compiled Using ver. 1.6.5-1160-gef26c5f, built on Sep 30, 2015</body></html>");
return(sResponse);
}
String emailbutton = "off";
String emailtime;
/////////////
// main loop
/////////////
void loop()
{
//
// Check button for email trigger
//
int button = 0; // variable for reading the pushbutton status
button = digitalRead(0); // read the state of the pushbutton on gpio 0
if (button == LOW) {
emailbutton = "Send";
//LCD
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(F("Email Button...."));
lcd.setCursor(0, 1);
lcd.print(F("......Pressed.!!"));
delay(1000);
}
///////////////////
// do data logging
///////////////////
if (millis()>=ulNextMeas_ms)
{
char status;
double T,a,P;
P = getPressure();
a = pressure.altitude(P,baseline);
pressure.getTemperature(T);
status = pressure.startTemperature();
if (status != 0)
{
// Wait for the measurement to complete:
delay(status);
// Retrieve the completed temperature measurement:
// Note that the measurement is stored in the variable T.
// Function returns 1 if successful, 0 if failure.
}
status = pressure.getTemperature(T);
ulNextMeas_ms = millis()+ulMeasDelta_ms;
pfHum = dht.readHumidity();
pfTemp = dht.readTemperature();
if (pfHum==11.11 || pfTemp==11.11) {
delay(4000);
pfHum = dht.readHumidity();
pfTemp = dht.readTemperature();
}
pfHum1 = dht1.readHumidity();
pfTemp1 = dht1.readTemperature();
pfVcC = ESP.getVcc();
pulTime[ulMeasCount%ulNoMeasValues] = millis()/1000+ulSecs2000_timer;
emailtime = epoch_to_string(pulTime[ulMeasCount%ulNoMeasValues]).c_str();
lastdata="";
lastpres="";
lastdata += pfTemp;
lastdata += ",hum=";
lastdata += pfHum;
lastdata += ",temp1=";
lastdata += pfTemp1;
lastdata += ",hum1=";
lastdata += pfHum1;
String logdata = "[";
logdata += pfTemp;
logdata += ",";
logdata += pfHum;
logdata += ",";
logdata += pfTemp1;
logdata += ",";
logdata += pfHum1;
logdata += ",";
logdata += pfVcC/1000;
logdata += ",";
logdata += T;
logdata += "]";
logdata += P;
logdata += ",";
lastpres += P;
File logF = SPIFFS.open("/humidlog.CSV", "a");
if (logF) {
logF.print(logdata);
logF.close();
logdata = "";
}
else {
lcd.clear();
lcd.print("rOr humidlog.CSV");
while(1);
}
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(pfTemp);
lcd.setCursor(2, 0);
lcd.print(F("C "));
lcd.print(pfHum);
lcd.setCursor(6, 0);
lcd.print(F("% "));
lcd.print(pfTemp1);
lcd.setCursor(10, 0);
lcd.print(F("C "));
lcd.print(pfHum1);
lcd.setCursor(14, 0);
lcd.print(F("% "));
lcd.setCursor(0, 1);
lcd.print(P);
lcd.print(F("mb"));
lcd.setCursor(12, 1);
char tDigit = emailtime.charAt(1);
if (isDigit(tDigit)) {lcd.setCursor(11, 1);} // Check for ":" no leading 0
lcd.print(emailtime);
delay(2000);
// I2C LCD update, Ping or PIR and check email button Halt/Reboot
if (emailtime.startsWith("7:51") || emailbutton.startsWith("Sen")) {// Set the time for the Log to be emailed !! no leading 0.....!!
lcd.print(F("Got email - data"));
if(sendEmail()) {
lcd.clear();
lcd.print(F("mail sent......"));
delay(5000);
wsysreset();
}
else {
lcd.clear();
lcd.print(F("Email FAILED..!!!"));
while(1);
}
emailbutton = "off";
}
ulMeasCount++;
}
if (got_text == true){
lc++; // Use this to perform other actions........lots to choose from.....
if (tmtxt1!=""){
if (lc==100000 || lc==200000 || lc==300000 || lc==400000 || lc==500000 || lc==600000){
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(tmtxt1);
lcd.setCursor(0, 1);
lcd.print(tmtxt2);
}
else{
got_text == false;
}
}
if (lc>600000){lc=0;}
}
//////////////////////////////
// check if WLAN is connected
//////////////////////////////
if (WiFi.status() != WL_CONNECTED)
{
WiFiStart();
}
///////////////////////////////////
// Check if a client has connected
///////////////////////////////////
WiFiClient client = server.available();
if (!client)
{
return;
}
// Wait until the client sends some data
unsigned long ultimeout = millis()+250;
while(!client.available() && (millis()<ultimeout) )
{
delay(1);
}
if(millis()>ultimeout)
{
return;
}
/////////////////////////////////////
// Read the first line of the request
/////////////////////////////////////
String sRequest = client.readStringUntil('\r');
client.flush();
// stop client, if request is empty
if(sRequest=="")
{
client.stop();
return;
}
// get path; end of path is either space or ?
// Syntax is e.g. GET /?show=1234 HTTP/1.1
String sPath="",sParam="", sCmd="";
String sGetstart="GET ";
int iStart,iEndSpace,iEndQuest;
iStart = sRequest.indexOf(sGetstart);
if (iStart>=0)
{
iStart+=+sGetstart.length();
iEndSpace = sRequest.indexOf(" ",iStart);
iEndQuest = sRequest.indexOf("?",iStart);
// are there parameters?
if(iEndSpace>0)
{
if(iEndQuest>0)
{
// there are parameters
sPath = sRequest.substring(iStart,iEndQuest);
sParam = sRequest.substring(iEndQuest,iEndSpace);
}
else
{
// NO parameters
sPath = sRequest.substring(iStart,iEndSpace);
}
}
}
///////////////////////////
// format the html response
///////////////////////////
String sResponse,sResponse2,sHeader;
/////////////////////////////////
// Update LCD with text from Web
/////////////////////////////////
//_________________________________________________________________
// /ajax_inputs&L1=123456789&L2=abcdefghi&nocache=968337.7823963541
// 1-9 on Line 1 and a - i on line 2
//¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬
if (sPath.startsWith("/ajax_inputs&L1="))
{
ulReqcount++;
tmtxt1="";
tmtxt2="";
got_text = true; // print the received text to the LCD if found
File in = SPIFFS.open("/temp.txt", "w");
if (in) {
in.print(sPath);
in.close();
delay(1);
}
else {
lcd.clear();
lcd.print("rOr Temp.TXT");
while(1);
}
in = SPIFFS.open("/temp.txt", "r");
in.setTimeout(0);
String Dtmtxt = in.readStringUntil('=');
tmtxt1 += in.readStringUntil('&');
Dtmtxt = in.readStringUntil('=');
tmtxt2 += in.readStringUntil('&');
in.close();
tmtxt1.replace("%20", " ");
tmtxt2.replace("%20", " ");
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(tmtxt1);
lcd.setCursor(0, 1);
lcd.print(tmtxt2);
delay(3000);
}
//////////////////////////////////
// format the html page for gauges
//////////////////////////////////
if(sPath=="/monitor")
{
ulReqcount++;
int iIndex= (ulMeasCount-1)%ulNoMeasValues;
sResponse = F("<html>\n<head>\n<title>Environment Monitor</title>\n<script type=\"text/javascript\" src=\"https://www.google.com/jsapi?autoload={'modules':[{'name':'visualization','version':'1','packages':['gauge']}]}\"></script>\n<script type=\"text/javascript\">\nvar temp=");
sResponse += lastdata;
sResponse += F(";\ngoogle.load('visualization', '1', {packages: ['gauge']});google.setOnLoadCallback(drawgaugetemp);google.setOnLoadCallback(drawgaugehum);google.setOnLoadCallback(drawgaugetemp1);google.setOnLoadCallback(drawgaugehum1);\nvar gaugetempOptions = {min: -10, max: 40, yellowFrom: -10, yellowTo: 16,redFrom: 28, redTo: 40, minorTicks: 10, majorTicks: ['-10','0','10','20','30','40']};\n");
sResponse += F("var gaugehumOptions = {min: 0, max: 100, yellowFrom: 0, yellowTo: 25, redFrom: 70, redTo: 100, minorTicks: 10, majorTicks: ['0','10','20','30','40','50','60','70','80','90','100']};\nvar gaugehum1Options = {min: 0, max: 100, yellowFrom: 0, yellowTo: 25, redFrom: 70, redTo: 100, minorTicks: 10, majorTicks: ['0','10','20','30','40','50','60','70','80','90','100']};\n");
sResponse += F("var gaugetemp1Options = {min: -10, max: 40, yellowFrom: -10, yellowTo: 16,redFrom: 28, redTo: 40, minorTicks: 10, majorTicks: ['-10','0','10','20','30','40']};\nvar gaugetemp,gaugehum,gaugetemp1,gaugehum1;\nfunction drawgaugetemp() {\ngaugetempData = new google.visualization.DataTable();\n");
sResponse += F("gaugetempData.addColumn('number', 'Int \260C');\ngaugetempData.addRows(1);\ngaugetempData.setCell(0, 0, temp);\ngaugetemp = new google.visualization.Gauge(document.getElementById('gaugetemp_div'));\ngaugetemp.draw(gaugetempData, gaugetempOptions);\n}\n\n");
sResponse += F("function drawgaugehum() {\ngaugehumData = new google.visualization.DataTable();\ngaugehumData.addColumn('number', 'Int %');\ngaugehumData.addRows(1);\ngaugehumData.setCell(0, 0, hum);\ngaugehum = new google.visualization.Gauge(document.getElementById('gaugehum_div'));\ngaugehum.draw(gaugehumData, gaugehumOptions);\n}\n");
sResponse += F("\n\nfunction drawgaugetemp1() {\ngaugetemp1Data = new google.visualization.DataTable();\n");
sResponse += F("gaugetemp1Data.addColumn('number', 'Ext \260C');\ngaugetemp1Data.addRows(1);\ngaugetemp1Data.setCell(0, 0, temp1);\ngaugetemp1 = new google.visualization.Gauge(document.getElementById('gaugetemp1_div'));\ngaugetemp1.draw(gaugetemp1Data, gaugetemp1Options);\n}\n\n");
sResponse += F("function drawgaugehum1() {\ngaugehum1Data = new google.visualization.DataTable();\ngaugehum1Data.addColumn('number', 'Ext %');\ngaugehum1Data.addRows(1);\ngaugehum1Data.setCell(0, 0, hum1);\ngaugehum1 = new google.visualization.Gauge(document.getElementById('gaugehum1_div'));\ngaugehum1.draw(gaugehum1Data, gaugehum1Options);\n}\n");
sResponse += F("</script>\n</head>\n<body>\n<font color=\"#000000\"><body bgcolor=\"#d0d0f0\"><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, user-scalable=yes\"><h1>Environment Monitor</h1><BR><BR><FONT SIZE=+1>Last Sample Taken ");
sResponse += epoch_to_string(pulTime[iIndex]).c_str();
sResponse2 = F("GMT<BR>\n<div id=\"gaugetemp_div\" style=\"float:left; width:200px; height: 200px;\"></div> \n<div id=\"gaugehum_div\" style=\"float:left; width:200px; height: 200px;\"></div>\n<div style=\"clear:both;\"></div>\n<div id=\"gaugetemp1_div\" style=\"float:left; width:200px; height: 200px;\"></div> \n<div id=\"gaugehum1_div\" style=\"float:left; width:200px; height: 200px;\">");
sResponse2 += F("</div>\n<div style=\"clear:both;\"></div><p>Environment Display<BR><a href=\"/graphic2\">Pressure Graph Page</a><BR><a href=\"/pressure\">Pressure Gauge Page</a><BR><a href=\"/graphic\">Sensor Graph Page</a><BR><a href=\"/table\">Sensor Datalog Page</a><BR><a href=\"/diag\">Diagnostics Information Page</a><BR><a href=\"/\">Monitor LCD Text Input Page</a></p>");
sResponse2 += MakeHTTPFooter().c_str();
// Send the response to the client
client.print(MakeHTTPHeader(sResponse.length()+sResponse2.length()).c_str());
client.print(sResponse);
client.print(sResponse2);
}
else if(sPath=="/")
{
ulReqcount++;
// send rest of HTTP header
client.println("HTTP/1.1 200 OK");
client.println("Content-Type: text/html");
client.println("Connection: close");
//client.println("Connection: keep-alive");
client.println();
// send web page
File webFile = SPIFFS.open("/index1.htm", "r"); // open web page file
if (webFile) {
while(webFile.available()) {
client.print(webFile.readString()); // send web page to client
}
webFile.close();
}
}
else if(sPath=="/pressure")
{
ulReqcount++;
// send HTTP header
client.println("HTTP/1.1 200 OK");
client.println("Content-Type: text/html");
client.println("Connection: close");
client.println();
// send web page
for (int i = 0; i < 7; ++i) {
String name = "/presure";
name += i;
name += ".htm";
File webFile = SPIFFS.open(name, "r");
if (!webFile) {
lcd.clear();
lcd.print("ror open webpage");
while(1);
}
while(webFile.available()) {
client.print(webFile.readString()); // send web page to client
}
}
client.print(lastpres);
File webFile = SPIFFS.open("/presureF.htm", "r"); // open web page file
if (webFile) {
while(webFile.available()) {
client.print(webFile.readString()); // send web page to client
}
}
}
else if(sPath=="/table")
////////////////////////////////////
// format the html page for /tabelle
////////////////////////////////////
{
ulReqcount++;
unsigned long ulSizeList = MakeTable(&client,false); // get size of table first
sResponse = F("<html><head><title>Environment Monitor</title></head><body>");
sResponse += F("<font color=\"#000000\"><body bgcolor=\"#d0d0f0\">");
sResponse += F("<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, user-scalable=yes\">");
sResponse += F("<h1>Environment Monitor</h1>");
sResponse += F("<FONT SIZE=+1><BR><a href=\"/monitor\">Sensor Gauges Page</a><BR><a href=\"/graphic2\">Pressure Graph Page</a><BR><a href=\"/pressure\">Pressure Gauge Page</a>");
sResponse += F("<BR><a href=\"/graphic\">Sensor Graph Page</a><BR><a href=\"/diag\">Diagnostics Information Page</a><BR><a href=\"/\">Monitor LCD Text Input Page</a><BR><BR>Sample Interval ");
sResponse += ulMeasDelta_ms/1000;
sResponse += F(" Seconds<BR>");
// here the big table will follow later - but let us prepare the end first
// part 2 of response - after the big table
sResponse2 = MakeHTTPFooter().c_str();
// Send the response to the client - delete strings after use to keep mem low
client.print(MakeHTTPHeader(sResponse.length()+sResponse2.length()+ulSizeList).c_str());
client.print(sResponse); sResponse="";
MakeTable(&client,true);
client.print(sResponse2);
}
else if(sPath=="/graphic")
///////////////////////////////////
// format the html page for /grafik
///////////////////////////////////
{
ulReqcount++;
unsigned long ulSizeList = MakeList(&client,false); // get size of list first
sResponse = F("<html>\n<head>\n<title>Environment Monitor</title>\n<script type=\"text/javascript\" src=\"https://www.google.com/jsapi?autoload={'modules':[{'name':'visualization','version':'1','packages':['corechart']}]}\"></script>\n");
sResponse += F("<script type=\"text/javascript\"> google.setOnLoadCallback(drawChart);\nfunction drawChart() {var data = google.visualization.arrayToDataTable([\n['Time / GMT', 'InTmp', 'InHum', 'ExTmp', 'ExHum', 'SySVcc', 'SySTemp'],\n");
// here the big list will follow later - but let us prepare the end first
// part 2 of response - after the big list
sResponse2 = F("]);\nvar options = {title: 'Environment',vAxes:{0:{viewWindowMode:'explicit',gridlines:{color:'black'},format:\"##.##\260C\"},1: {gridlines:{color:'transparent'},format:\"##,##%\"},},series:{0:{targetAxisIndex:0},1:{targetAxisIndex:1},2:{targetAxisIndex:0},3:{targetAxisIndex:1},4:{targetAxisIndex:0},5:{targetAxisIndex:0},},curveType:'function',legend:{ position: 'bottom'}};");
sResponse2 += F("var chart = new google.visualization.LineChart(document.getElementById('curve_chart'));chart.draw(data, options);}\n</script>\n</head>\n");
sResponse2 += F("<body>\n<font color=\"#000000\"><body bgcolor=\"#d0d0f0\"><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, user-scalable=yes\"><h1>Environment Monitor</h1><BR><a href=\"/graphic2\">Pressure Graph Page</a><BR><a href=\"/pressure\">Pressure Gauge Page</a><BR><a href=\"/monitor\">Sensor Gauges Page</a><BR><a href=\"/table\">Sensor Datalog Page</a>");
sResponse2 += F("<BR><a href=\"/diag\">Diagnostics Information Page</a><BR><a href=\"/\">Monitor LCD Text Input Page</a><BR><BR>\n<div id=\"curve_chart\" style=\"width: 600px; height: 400px\"></div>");
sResponse2 += MakeHTTPFooter().c_str();
// Send the response to the client - delete strings after use to keep mem low
client.print(MakeHTTPHeader(sResponse.length()+sResponse2.length()+ulSizeList).c_str());
client.print(sResponse); sResponse="";
MakeList(&client,true);
client.print(sResponse2);
}
else if(sPath=="/yfireset")
{
ulReqcount++;
client.println("HTTP/1.1 200 OK");
client.println("Content-Type: text/html");
client.println("Connection: close");
client.println();
client.println("<!DOCTYPE HTML>");
client.print("<html><head><title>Environment Monitor</title></head><body>");
client.print("<font color=\"#000000\"><body bgcolor=\"#d0d0f0\">");
client.print("<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, user-scalable=yes\">");
client.print("<h1>Environment Monitor<BR>WiFi Reset Page </h1><BR><a href=\"/graphic2\">Pressure Graph Page</a><BR><a href=\"/pressure\">Pressure Gauge Page</a>");
client.print("<BR><a href=\"/monitor\">Sensor Gauges Page</a><BR><a href=\"/graphic\">Sensor Graph Page</a><BR><a href=\"/table\">Sensor Datalog Page</a><BR><BR><BR><BR>Restarted WiFiConnections = ");
client.print(ulReconncount);
client.print("<BR><FONT SIZE=-2>environmental.monitor.log@gmail.com<BR><FONT SIZE=-2>ESP8266 With DHT11 & BMP180 Sensors<BR>");
client.print("<FONT SIZE=-2>Compiled Using ver. 1.6.5-1160-gef26c5f, built on Sep 30, 2015<BR>");
client.println("<IMG SRC=\"https://raw.githubusercontent.com/genguskahn/ESP8266-For-DUMMIES/master/SoC/DimmerDocs/organicw.gif\" WIDTH=\"250\" HEIGHT=\"151\" BORDER=\"1\"></body></html>");
WiFiStart();
}
else if(sPath=="/diag")
{
float servolt1 = ESP.getVcc();
long int spdcount = ESP.getCycleCount();
delay(1);
long int spdcount1 = ESP.getCycleCount();
long int speedcnt = spdcount1-spdcount;
FlashMode_t ideMode = ESP.getFlashChipMode();
ulReqcount++;
File logF = SPIFFS.open("/humidlog.CSV", "r");
Dfsize = logF.size();
client.println("HTTP/1.1 200 OK");
client.println("Content-Type: text/html");
client.println("Connection: close");
client.println();
client.println("<!DOCTYPE HTML>");
client.print("<html><head><title>Environment Monitor</title></head><body>");
client.print("<font color=\"#000000\"><body bgcolor=\"#d0d0f0\">");
client.print("<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, user-scalable=yes\">");
client.print("<h1>Environment Monitor<BR>SDK Diagnostic Information</h1><BR><a href=\"/graphic2\">Pressure Graph Page</a><BR><a href=\"/pressure\">Pressure Gauge Page</a>");
client.print("<BR><a href=\"/monitor\">Sensor Gauges Page</a><BR><a href=\"/graphic\">Sensor Graph Page</a><BR><a href=\"/table\">Sensor Datalog Page</a><BR><a href=\"/\">Monitor LCD Text Input Page</a><BR>Restarted WiFiConnections = ");
client.print(ulReconncount);
client.print("<BR> Web Page Requests = ");
client.print(ulReqcount);
client.print("<BR> WiFi Station Hostname = ");
client.print(wifi_station_get_hostname());
client.print("<BR> Free RAM = ");
client.print((uint32_t)system_get_free_heap_size()/1024);
client.print(" KBytes<BR> Logged Sample Count = ");
client.print(ulMeasCount);
client.print("<BR> Total Sample points in 24 Hours = ");
client.print(ulNoMeasValues);
client.print("<BR> Average Sample Logging Interval = ");
client.print((ulMeasDelta_ms/1000+0.5)/60,0);
client.print(" Minutes<BR> SDK Version = ");
client.print(ESP.getSdkVersion());
client.print("<BR> Boot Version = ");
client.print(ESP.getBootVersion());
client.print("<BR>");
client.print(" Free Sketch Space = ");
client.print(ESP.getFreeSketchSpace()/1024);
client.print(" KBytes<BR> Sketch Size = ");
client.print(ESP.getSketchSize()/1024);
client.print(" KBytes<BR>");
client.printf(" Flash Chip id = %08X\n", ESP.getFlashChipId());
client.print("<BR>");
client.printf(" Flash Chip Mode = %s\n", (ideMode == FM_QIO ? "QIO" : ideMode == FM_QOUT ? "QOUT" : ideMode == FM_DIO ? "DIO" : ideMode == FM_DOUT ? "DOUT" : "UNKNOWN"));
client.print("<BR> Flash Size By ID = ");
client.print(ESP.getFlashChipRealSize()/1024);
client.print(" KBytes<BR> Flash Size (IDE) = ");
client.print(ESP.getFlashChipSize()/1024);
client.print(" KBytes<BR> Flash Speed = ");
client.print(ESP.getFlashChipSpeed()/1000000);
client.print(" MHz<BR> ESP8266 CPU Speed = ");
client.print(ESP.getCpuFreqMHz());
client.print(" MHz<BR>");
client.printf(" ESP8266 Chip id = %08X\n", ESP.getChipId());
client.print("<BR> System Instruction Cycles Per Second = ");
client.print(speedcnt*1000);
client.print("<BR> Last System Restart Time = ");
client.print(epoch_to_string(ulSecs2000_timer).c_str());
client.print("<BR> Last System Restart Reason = ");
client.print(ESP.getResetInfo());
client.print("<BR> System Time = ");
client.print(emailtime);
client.print(" (Last Recorded Sample Time)<BR> System VCC = ");
client.print(servolt1/1000, 3);
client.print(" V <BR> Datalog File Size in Bytes = ");
client.print(Dfsize);
client.print("<BR><FONT SIZE=-2>environmental.monitor.log@gmail.com<BR><FONT SIZE=-2>ESP8266 With DHT11 & BMP180 Sensors<BR>");
client.print("<FONT SIZE=-2>Compiled Using ver. 1.6.5-1160-gef26c5f, built on Sep 30, 2015<BR>");
client.println("<IMG SRC=\"https://raw.githubusercontent.com/genguskahn/ESP8266-For-DUMMIES/master/SoC/DimmerDocs/organicw.gif\" WIDTH=\"250\" HEIGHT=\"151\" BORDER=\"1\"></body></html>");
}
else if(sPath=="/srestart")
{
client.println("HTTP/1.1 200 OK");
client.println("Content-Type: text/html");
client.println("Connection: close");
client.println();
client.println("<!DOCTYPE HTML>");
client.print("<html><head><title>Environment Monitor</title></head><body>");
client.print("<font color=\"#000000\"><body bgcolor=\"#d0d0f0\">");
client.print("<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, user-scalable=yes\">");
client.print("<h1>Environment Monitor<BR>Please wait 10 Seconds......<BR><FONT SIZE=+2>System Reset Page !!!! </h1><BR><a href=\"/graphic2\">Pressure Graph Page</a><BR><a href=\"/pressure\">Pressure Gauge Page</a>");
client.print("<BR><a href=\"/monitor\">Sensor Gauges Page</a><BR><a href=\"/graphic\">Sensor Graph Page</a><BR><a href=\"/table\">Sensor Datalog Page</a><BR><a href=\"/diag\">Diagnostics Information Page</a><BR><a href=\"/\">Monitor LCD Text Input Page</a><BR><BR><BR><BR>Restarted WiFiConnections = ");
client.print(ulReconncount);
client.print("<BR><BR><BR><FONT SIZE=-2>environmental.monitor.log@gmail.com<BR><FONT SIZE=-2>ESP8266 With DHT11 & BMP180 Sensors<BR>");
client.print("<FONT SIZE=-2>Compiled Using ver. 1.6.5-1160-gef26c5f, built on Sep 30, 2015<BR>");
client.println("<IMG SRC=\"https://raw.githubusercontent.com/genguskahn/ESP8266-For-DUMMIES/master/SoC/DimmerDocs/organicw.gif\" WIDTH=\"250\" HEIGHT=\"151\" BORDER=\"1\"></body></html>");
client.stop();
wsysreset();
}
else if(sPath=="/graphic2")
//////////////////////////////////////
// format the html page for Barometer
//////////////////////////////////////
{
barom = true;
ulReqcount++;
unsigned long ulSizeList = MakeList(&client,false); // get size of list first
sResponse = F("<html>\n<head>\n<title>Environment Monitor</title>\n<script type=\"text/javascript\" src=\"https://www.google.com/jsapi?autoload={'modules':[{'name':'visualization','version':'1','packages':['corechart']}]}\"></script>\n");
sResponse += F("<script type=\"text/javascript\"> google.setOnLoadCallback(drawChart);\nfunction drawChart() {var data = google.visualization.arrayToDataTable([\n['Time / GMT', 'Pressure'],\n");
// here the big list will follow later - but let us prepare the end first
// part 2 of response - after the big list
sResponse2 = F("]);\nvar options = {title: 'Barometric Pressure',vAxes:{0:{viewWindowMode:'explicit',gridlines:{color:'black'},format:\"##.##mbar \"},},series:{0:{targetAxisIndex:0},},curveType:'function',legend:{ position: 'bottom'}};");
sResponse2 += F("var chart = new google.visualization.LineChart(document.getElementById('curve_chart'));chart.draw(data, options);}\n</script>\n</head>\n");
sResponse2 += F("<body>\n<font color=\"#000000\"><body bgcolor=\"#d0d0f0\"><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, user-scalable=yes\"><h1>Environment Monitor</h1><BR><a href=\"/pressure\">Pressure Gauge Page</a><BR><a href=\"/monitor\">Sensor Gauges Page</a><BR><a href=\"/graphic\">Sensor Graph Page</a>");
sResponse2 += F("<BR><a href=\"/table\">Sensor Datalog Page</a><BR><a href=\"/diag\">Diagnostics Information Page</a><BR><a href=\"/\">Monitor LCD Text Input Page</a><BR>\n<div id=\"curve_chart\" style=\"width: 600px; height: 400px\"></div>");
sResponse2 += MakeHTTPFooter().c_str();
// Send the response to the client - delete strings after use to keep mem low
client.print(MakeHTTPHeader(sResponse.length()+sResponse2.length()+ulSizeList).c_str());
client.print(sResponse); sResponse="";
MakeList(&client,true);
client.print(sResponse2);
barom = false;
}
else
////////////////////////////
// 404 for non-matching path
////////////////////////////
{
sResponse="<html><head><title>404 Not Found</title></head><body><h1>Not Found</h1><p>The requested URL was not found on this server, What did you sk for?.</p></body></html>";
ulReqcount++;
sHeader = F("HTTP/1.1 404 Not found\r\nContent-Length: ");
sHeader += sResponse.length();
sHeader += F("\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n");
// Send the response to the client
client.print(sHeader);
client.print(sResponse);
}
// and stop the client
client.stop();
}
byte sendEmail()
{
// WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
lcd.print(F("."));
}
lcd.clear();
lcd.print(F("WiFi connected"));
lcd.setCursor(0, 1);
lcd.print(F("IP="));
lcd.print(WiFi.localIP());
byte thisByte = 0;
byte respCode;
if(client.connect( popyahoo,port) == 1) {
lcd.clear();
lcd.print(F("connectedsmtp2go"));
} else {
lcd.clear();
lcd.print(F("SMconnect failed"));
return 0;
}
if(!eRcv()) {lcd.print("before ehlo");return 0 ;}
lcd.clear();
lcd.print(F("Sending ehlo"));
client.print("EHLO ");
client.println(WiFi.localIP());
lcd.setCursor(0, 1);
if(!eRcv()) {lcd.print("ehlo");return 0 ;}
lcd.clear();
lcd.print(F("Sending auth login"));
client.println("auth login");
lcd.setCursor(0, 1);
if(!eRcv()) {lcd.print("auth");return 0 ;}
lcd.print("Sending User");
// Change to your base64 encoded user
client.println(b64Usernm);//
if(!eRcv()) {lcd.print("user");return 0 ;}
lcd.clear();
lcd.print(F("Sending Password"));
// change to your base64 encoded password
client.println(b64Passwd);//
lcd.setCursor(0, 1);
if(!eRcv()) {lcd.print("ehlo");return 0;}
lcd.clear();
// change to your email address (sender) Send All Mail to Environment Monitor
lcd.print(F("Sending From"));
client.println(frmaddrs);
lcd.setCursor(0, 1);
if(!eRcv()) {lcd.print("email");return 0 ;}
lcd.clear();
// change to recipient address Send All Mail to Environment Monitor
lcd.print(F("Sending To"));
client.println(toaddres);
lcd.setCursor(0, 1);
if(!eRcv()) {lcd.print("email");return 0 ;}
lcd.clear();
lcd.print(F("Sending DATA"));
client.println("DATA");
lcd.setCursor(0, 1);
if(!eRcv()) {lcd.print("email");return 0 ;}
int ulEnd=0;
if (ulMeasCount>ulNoMeasValues) {ulEnd=(ulMeasCount-ulNoMeasValues);}
String sTable="";
lcd.clear();
lcd.print(F("Sending email"));
// change to recipient address Send All Mail to Environment Monitor
client.println("To: The Environment Monitor <environmental.monitor.log@gmail.com>");
// change to your address This is sensor ID
client.print("From: Weather Station Development <");
client.print(wifi_station_get_hostname());
client.println(">");
client.println("Subject: ESP8266 Daily Environment Report\r\n");
client.println("This is Sent Directly from An ESP8266 Module every 24 Hours");
client.print("The Total Number Of Environment Samples Values Being Tranferred Are - ");
client.println(ulMeasCount-ulEnd);
client.println("_____________________________________________________________");
File logF = SPIFFS.open("/humidlog.CSV", "r");
if (!logF) {
lcd.clear();
lcd.print("rOr humidlog.CSV");
while(1);
}
for (unsigned long li=ulMeasCount;li>ulEnd;li--)
{
unsigned long ulIndex=(li-1)%ulNoMeasValues;
sTable += epoch_to_string(pulTime[ulIndex]).c_str();
sTable += " ,";
DsTable = logF.readStringUntil('[');
sTable += logF.readStringUntil(']');
sTable += (",");
sTable += logF.readStringUntil(',');
client.println(sTable);
sTable="";
}
client.println(sTable);
client.println("_________________End of Data_______________");
client.println(".");
lcd.clear();
if(!eRcv()) {lcd.print("aftersending");return 0 ;}
lcd.setCursor(0, 1);
lcd.print(F("Sending QUIT"));
client.println("QUIT");
lcd.clear();
if(!eRcv()) {lcd.print("afterQuit");return 0 ;}
client.stop();
lcd.setCursor(0, 1);
lcd.print(F("disconnected"));
return 1;
}
byte eRcv()
{
byte respCode;
byte thisByte;
int loopCount = 0;
while(!client.available()) {
delay(1);
loopCount++;
// if nothing received for 20 seconds, timeout
if(loopCount > 20000) {
client.stop();
lcd.clear();
lcd.print(F("20 sec Timeout"));
return 0;
}
}
respCode = client.peek();
while(client.available())
{
thisByte = client.read();
}
if(respCode >= '4')
{
efail();
return 0;
}
return 1;
}
void efail()
{
byte thisByte = 0;
int loopCount = 0;
client.println(F("QUIT"));
while(!client.available()) {
delay(1);
loopCount++;
// if nothing received for 10 seconds, timeout
if(loopCount > 10000) {
client.stop();
lcd.clear();
lcd.print(F("efail Timeout"));
return;
}
}
while(client.available())
{
thisByte = client.read();
}
client.stop();
lcd.clear();
lcd.print(F("disconnected"));
}
File dataFile1 = SPIFFS.open("/humidlog.CSV", "r"); // a = append/modify, r = read or create w = write
if(!dataFile1.seek(0, SeekSet)) // Other Commands are seekCur or seekEnd
{
Serial.println(F("Rewind fail"));
dataFile1.close();
}
stringholder = dataFile1.readStringUntil("["); //Start of Record idexed to with file offset currently=0
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