Workshop Logger – EnviroDIY

#include <Wire.h>
#include "Sodaq_DS3231.h"
#include <SPI.h>
#include <SD.h>
#include "TSL2561.h"
 
TSL2561 tsl(TSL2561_ADDR_LOW); 

#define SD_SS_PIN 12

#define FILE_NAME "Datafile.txt"
//Data header
#define LOGGERNAME "Mayfly Data Logger test file"
#define DATA_HEADER "DateTime_EST,Loggertime,BoardTempC,BatteryV,Lum_IR,Lum_Full,Lum_Vis"

String dataRec = "";
int currentminute;
long currentepochtime = 0;
float boardtemp = 0.0;

int batteryPin = A6;    // select the input pin for the potentiometer
int batterysenseValue = 0;  // variable to store the value coming from the sensor
float batteryvoltage;

void setup () 
{
    Serial.begin(57600);
    Serial.println("Mayfly Workshop Multi-Sensor & microSD Logger");
    pinMode(8, OUTPUT);
    pinMode(9, OUTPUT);
    
    greenred4flash();   //blink the LEDs to show the board is on
    
    pinMode(22, OUTPUT);
    digitalWrite(22, HIGH);
    
    Wire.begin();
    rtc.begin();

    setupLogFile();
          
    if (tsl.begin()) {
      } else {
      while (1);
      }

  tsl.setGain(TSL2561_GAIN_16X);      // set 16x gain (for dim situations)
  tsl.setTiming(TSL2561_INTEGRATIONTIME_13MS);  // shortest integration time (bright light)


}

void loop () 
{
  
     dataRec = createDataRecord();
     sensormeasurements();
     logData(dataRec);
     Serial.print("Data Record: ");
     Serial.println(dataRec);      
     String dataRec = ""; 
  
     delay(3000);
  
}


void setupLogFile()
{
  //Initialise the SD card
  if (!SD.begin(SD_SS_PIN))
  {
    Serial.println("Error: SD card failed to initialise or is missing.");
    //Hang
  //  while (true); 
  }
  
  //Check if the file already exists
  bool oldFile = SD.exists(FILE_NAME);  
  
  //Open the file in write mode
  File logFile = SD.open(FILE_NAME, FILE_WRITE);
  
  //Add header information if the file did not already exist
  if (!oldFile)
  {
    logFile.println(LOGGERNAME);
    logFile.println(DATA_HEADER);
  }
  
  //Close the file to save it
  logFile.close();  
}


void logData(String rec)
{
  //Re-open the file
  File logFile = SD.open(FILE_NAME, FILE_WRITE);
  
  //Write the CSV data
  logFile.println(rec);
  
  //Close the file to save it
  logFile.close();  
}

String createDataRecord()
{
  //Create a String type data record in csv format
  String data = getDateTime();
  data += ",";
    
    rtc.convertTemperature();          //convert current temperature into registers
    boardtemp = rtc.getTemperature(); //Read temperature sensor value
    
    batterysenseValue = analogRead(batteryPin);
    batteryvoltage = (3.3/1023.) * 1.47 * batterysenseValue;
    
    data += currentepochtime;
    data += ",";

    addFloatToString(data, boardtemp, 3, 1);    //float   
    data += ",";  
    addFloatToString(data, batteryvoltage, 4, 2);



  
//  Serial.print("Data Record: ");
//  Serial.println(data);
  return data;
}


static void addFloatToString(String & str, float val, char width, unsigned char precision)
{
  char buffer[10];
  dtostrf(val, width, precision, buffer);
  str += buffer;
}





void sensormeasurements()
{
  uint32_t lum = tsl.getFullLuminosity();
  uint16_t ir, full, vis;
  ir = lum >> 16;
  full = lum & 0xFFFF;
  vis = full - ir;
  
      dataRec += ",";
      dataRec += ir;
      dataRec += ",";
      dataRec += full;
      dataRec += ",";
      dataRec += vis;
  
}

String getDateTime()
{
  String dateTimeStr;
  
  //Create a DateTime object from the current time
  DateTime dt(rtc.makeDateTime(rtc.now().getEpoch()));

  currentepochtime = (dt.get());    //Unix time in seconds 

  currentminute = (dt.minute());
  //Convert it to a String
  dt.addToString(dateTimeStr); 
  return dateTimeStr;  
}

uint32_t getNow()
{
  currentepochtime = rtc.now().getEpoch();
  return currentepochtime;
}

void greenred4flash()
{
  for (int i=1; i <= 4; i++){
  digitalWrite(8, HIGH);   
  digitalWrite(9, LOW);
  delay(50);
  digitalWrite(8, LOW);
  digitalWrite(9, HIGH);
  delay(50);
  }
  digitalWrite(9, LOW);
}

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#include <Wire.h>

#include "Sodaq_DS3231.h"

#include <SPI.h>

#include <SD.h>

#include "TSL2561.h"

TSL2561 tsl(TSL2561_ADDR_LOW);

#define SD_SS_PIN 12

#define FILE_NAME "Datafile.txt"

//Data header

#define LOGGERNAME "Mayfly Data Logger test file"

#define DATA_HEADER "DateTime_EST,Loggertime,BoardTempC,BatteryV,Lum_IR,Lum_Full,Lum_Vis"

String dataRec = "";

int currentminute;

long currentepochtime = 0;

float boardtemp = 0.0;

int batteryPin = A6; // select the input pin for the potentiometer

int batterysenseValue = 0; // variable to store the value coming from the sensor

float batteryvoltage;

void setup ()

{

Serial.begin(57600);

Serial.println("Mayfly Workshop Multi-Sensor & microSD Logger");

pinMode(8, OUTPUT);

pinMode(9, OUTPUT);

greenred4flash(); //blink the LEDs to show the board is on

pinMode(22, OUTPUT);

digitalWrite(22, HIGH);

Wire.begin();

rtc.begin();

setupLogFile();

if (tsl.begin()) {

} else {

while (1);

}

tsl.setGain(TSL2561_GAIN_16X); // set 16x gain (for dim situations)

tsl.setTiming(TSL2561_INTEGRATIONTIME_13MS); // shortest integration time (bright light)

}

void loop ()

{

dataRec = createDataRecord();

sensormeasurements();

logData(dataRec);

Serial.print("Data Record: ");

Serial.println(dataRec);

String dataRec = "";

delay(3000);

}

void setupLogFile()

{

//Initialise the SD card

if (!SD.begin(SD_SS_PIN))

{

Serial.println("Error: SD card failed to initialise or is missing.");

//Hang

// while (true);

}

//Check if the file already exists

bool oldFile = SD.exists(FILE_NAME);

//Open the file in write mode

File logFile = SD.open(FILE_NAME, FILE_WRITE);

//Add header information if the file did not already exist

if (!oldFile)

{

logFile.println(LOGGERNAME);

logFile.println(DATA_HEADER);

}

//Close the file to save it

logFile.close();

}

void logData(String rec)

{

//Re-open the file

File logFile = SD.open(FILE_NAME, FILE_WRITE);

//Write the CSV data

logFile.println(rec);

//Close the file to save it

logFile.close();

}

String createDataRecord()

{

//Create a String type data record in csv format

String data = getDateTime();

data += ",";

rtc.convertTemperature(); //convert current temperature into registers

boardtemp = rtc.getTemperature(); //Read temperature sensor value

batterysenseValue = analogRead(batteryPin);

batteryvoltage = (3.3/1023.) * 1.47 * batterysenseValue;

data += currentepochtime;

data += ",";

addFloatToString(data, boardtemp, 3, 1); //float

data += ",";

addFloatToString(data, batteryvoltage, 4, 2);

// Serial.print("Data Record: ");

// Serial.println(data);

return data;

}

static void addFloatToString(String & str, float val, char width, unsigned char precision)

{

char buffer[10];

dtostrf(val, width, precision, buffer);

str += buffer;

}

void sensormeasurements()

{

uint32_t lum = tsl.getFullLuminosity();

uint16_t ir, full, vis;

ir = lum >> 16;

full = lum & 0xFFFF;

vis = full - ir;

dataRec += ",";

dataRec += ir;

dataRec += ",";

dataRec += full;

dataRec += ",";

dataRec += vis;

}

String getDateTime()

{

String dateTimeStr;

//Create a DateTime object from the current time

DateTime dt(rtc.makeDateTime(rtc.now().getEpoch()));

currentepochtime = (dt.get()); //Unix time in seconds

currentminute = (dt.minute());

//Convert it to a String

dt.addToString(dateTimeStr);

return dateTimeStr;

}

uint32_t getNow()

{

currentepochtime = rtc.now().getEpoch();

return currentepochtime;

}

void greenred4flash()

{

for (int i=1; i <= 4; i++){

digitalWrite(8, HIGH);

digitalWrite(9, LOW);

delay(50);

digitalWrite(8, LOW);

digitalWrite(9, HIGH);

delay(50);

}

digitalWrite(9, LOW);

}