Reading from EEPROM error in code

This topic has 6 replies, 3 voices, and was last updated 2021-03-03 at 1:11 PM by Sara Damiano.

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2021-03-02 at 2:51 AM #15184

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Hi,

I am trying to write some code to test some new low-cost sensors, including a DFRobot gravity conductivity sensor (https://www.dfrobot.com/product-1123.html). I have used snippets of DFRobot

Hi,

I am trying to write some code to test some new low-cost sensors, including a DFRobot gravity conductivity sensor (https://www.dfrobot.com/product-1123.html). I have used snippets of DFRobot’s code, and built calculated variable functions in modular sensors to read data. In this case the DFRobor code uses a ‘k’ value as a crude calibration method, i.e. essentially a scaling factor. I use a separate calibration script to calculate the k value and store it in the EEPROM, which is retrieved upon initiation of the modular sensors program.

This method works if I build a script that only reads and returns the SpC value from the condy sensor. However, the same line of code returns an error when I combine it with the modular sensor code.

error: expected unqualified-id before '{' token
 #define EEPROM_read(address, p)  {int i = 0; byte *pp = (byte*)&(p);for(; i < sizeof(p); i++) pp[i]=EEPROM.read(address+i);}
                                ^

error: expected unqualified-id before '{' token

#define EEPROM_read(address, p) {int i = 0; byte *pp = (byte*)&(p);for(; i < sizeof(p); i++) pp[i]=EEPROM.read(address+i);}

If I comment out all the references to the EEPROM and use a defined k value instead (e.g. kvalue = 1), the modular sensors code compiles with no problems.

I usually like to work through coding issues myself but in this case I seem to be overlooking something seemingly simple. Can anyone see anything obvious that I am missing?

Thanks in advance for your help.

Regards,

James

My full modular sensor code (please forgive my inefficiencies, I am just learning c++) :

/*****************************************************************************
simple_logging.ino
Written By:  Sara Damiano (sdamiano@stroudcenter.org)
Development Environment: PlatformIO
Hardware Platform: EnviroDIY Mayfly Arduino Datalogger
Software License: BSD-3.
  Copyright (c) 2017, Stroud Water Research Center (SWRC)
  and the EnviroDIY Development Team

This sketch is an example of logging data to an SD card

DISCLAIMER:
THIS CODE IS PROVIDED "AS IS" - NO WARRANTY IS GIVEN.
*****************************************************************************/
// ==========================================================================
//    Defines for the Arduino IDE
//    In PlatformIO, set these build flags in your platformio.ini
// ==========================================================================
#ifndef TINY_GSM_RX_BUFFER
#define TINY_GSM_RX_BUFFER 64
#endif
#ifndef TINY_GSM_YIELD_MS
#define TINY_GSM_YIELD_MS 2
#endif
#ifndef MQTT_MAX_PACKET_SIZE
#define MQTT_MAX_PACKET_SIZE 240
#endif

// ==========================================================================
//    Include the base required libraries
// ==========================================================================
#include <Arduino.h>  // The base Arduino library
#include <EnableInterrupt.h>  // for external and pin change interrupts
#include <LoggerBase.h>  // The modular sensors library

#include <Adafruit_ADS1015.h>
Adafruit_ADS1115 ads;    /* Use this for the Mayfly because of the onboard 16-bit ADS1115  */

#include <EEPROM.h> // use this to get the K value from the EEPROM

//EEPROM READ KVALUE
#define EEPROM_read(address, p)  {int i = 0; byte *pp = (byte*)&(p);for(; i < sizeof(p); i++) pp[i]=EEPROM.read(address+i);}
#define KVALUEADDR 0x0F

#include <OneWire.h>
#include <DallasTemperature.h>
/********************************************************************/
// Data wire is plugged into pin 7 on the Arduino
#define ONE_WIRE_BUS 5 // For EnviroDIY Mayfly, I am using digital pin 7.
/********************************************************************/
// Setup a oneWire instance to communicate with any OneWire devices
// (not just Maxim/Dallas temperature ICs)
OneWire oneWire(ONE_WIRE_BUS);
/********************************************************************/
// Pass our oneWire reference to Dallas Temperature.
DallasTemperature sensors(&oneWire);
// ==========================================================================
//    Data Logger Settings
// ==========================================================================
// The name of this file
const char *sketchName = "Kopurererua_Taumata.ino";
// Logger ID, also becomes the prefix for the name of the data file on SD card
const char *LoggerID = "Kopurererua at Taumata Bridge";
// How frequently (in minutes) to log data
const uint8_t loggingInterval = 15;
// Your logger's timezone.
const int8_t timeZone = 12;  // Eastern Standard Time
// NOTE:  Daylight savings time will not be applied!  Please use standard time!


// ==========================================================================
//    Primary Arduino-Based Board and Processor
// ==========================================================================
#include <sensors/ProcessorStats.h>

const long serialBaud = 115200;   // Baud rate for the primary serial port for debugging
const int8_t greenLED = 8;        // MCU pin for the green LED (-1 if not applicable)
const int8_t redLED = 9;          // MCU pin for the red LED (-1 if not applicable)
const int8_t buttonPin = 21;      // MCU pin for a button to use to enter debugging mode  (-1 if not applicable)
const int8_t wakePin = A7;        // MCU interrupt/alarm pin to wake from sleep
// Set the wake pin to -1 if you do not want the main processor to sleep.
// In a SAMD system where you are using the built-in rtc, set wakePin to 1
const int8_t sdCardPwrPin = -1;     // MCU SD card power pin (-1 if not applicable)
const int8_t sdCardSSPin = 12;      // MCU SD card chip select/slave select pin (must be given!)
const int8_t sensorPowerPin = 22;  // MCU pin controlling main sensor power (-1 if not applicable)

// Create the main processor chip "sensor" - for general metadata
const char *mcuBoardVersion = "v0.5b";
ProcessorStats mcuBoard(mcuBoardVersion);

// ==========================================================================
//    Wifi/Cellular Modem Settings
// ==========================================================================

// Create a reference to the serial port for the modem
HardwareSerial &modemSerial = Serial1;  // Use hardware serial if possible

// Modem Pins - Describe the physical pin connection of your modem to your board
const int8_t modemVccPin = -1;      // MCU pin controlling modem power (-1 if not applicable)
//const bool useCTSforStatus = false;  // Flag to use the XBee CTS pin for status
const int8_t modemStatusPin = 19;   // MCU pin used to read modem status (-1 if not applicable)
const int8_t modemResetPin = 20;    // MCU pin connected to modem reset pin (-1 if unconnected)
const int8_t modemSleepRqPin = 23;  // MCU pin used for modem sleep/wake request (-1 if not applicable)
const int8_t modemLEDPin = redLED;  // MCU pin connected an LED to show modem status (-1 if unconnected)

// // Network connection information

// Network connection information
const char *apn = "m2m";  // The APN for the gprs connection

// const char *wifiId = "Dare_Family";  // The WiFi access point, unnecessary for gprs
// const char *wifiPwd = "119HarveyStreet";  // The password for connecting to WiFi, unnecessary for gprs

// ==========================================================================
//    The modem object
//    Note:  Don't use more than one!
// ==========================================================================
//#elif defined MS_BUILD_TESTING && defined MS_BUILD_TEST_XBEE_LTE_B
// For the u-blox SARA R410M based Digi LTE-M XBee3
// NOTE:  According to the manual, this should be less stable than transparent
// mode, but my experience is the complete reverse.
#include <modems/DigiXBeeLTEBypass.h>
//#include <modems/SodaqDigiXBeeLTEBypass.h>

const long modemBaud = 9600;  // All XBee's use 9600 by default
const bool useCTSforStatus = false;   // Flag to use the XBee CTS pin for status
// NOTE:  If possible, use the STATUS/SLEEP_not (XBee pin 13) for status, but
// the CTS pin can also be used if necessary
DigiXBeeLTEBypass modemXBLTEB(&modemSerial,
                              modemVccPin, modemStatusPin, useCTSforStatus,
                              modemResetPin, modemSleepRqPin,
                              apn);
// Create an extra reference to the modem by a generic name (not necessary)
DigiXBeeLTEBypass modem = modemXBLTEB;
// ==========================================================================

// ==========================================================================
//    Conductvity sensor settings
// ==========================================================================
// //Cond sensor pins
const int SpCSensorPin = 3;
//const float Kvalue = -9999;//updated 05/11/2020
const float Kvalue = 1;
EEPROM_read(KVALUEADDR, Kvalue); //1.0 means no change to raw readings

 // ==========================================================================
 //    eTape sensor settings
 // ==========================================================================
 //
const int eTapeSensorPin = 1;

// ==========================================================================
//    Maxim DS3231 RTC (Real Time Clock)
// ==========================================================================
#include <sensors/MaximDS3231.h>  // Includes wrapper functions for Maxim DS3231 RTC

// Create a DS3231 sensor object, using this constructor function:
MaximDS3231 ds3231(1);

// ==========================================================================
//    pH sensor settings
// ==========================================================================
const int pHSensorPin = 3; //check pH sensor pin.

// ==========================================================================
//    Maxim DS18 One Wire Temperature Sensor
// ==========================================================================
#include <sensors/MaximDS18.h>
// OneWire Address [array of 8 hex characters]
// If only using a single sensor on the OneWire bus, you may omit the address
// DeviceAddress OneWireAddress1 = {0x28, 0xFF, 0xBD, 0xBA, 0x81, 0x16, 0x03, 0x0C};
const int8_t OneWirePower = sensorPowerPin;  // Pin to switch power on and off (-1 if unconnected)
const int8_t OneWireBus = 5;  // Pin attached to the OneWire Bus (-1 if unconnected) (D24 = A0)

// Create a Maxim DS18 sensor objects (use this form for a known address)
// MaximDS18 ds18(OneWireAddress1, OneWirePower, OneWireBus);

// Create a Maxim DS18 sensor object (use this form for a single sensor on bus with an unknown address)
MaximDS18 ds18(OneWirePower, OneWireBus);

// Create a temperature variable pointer for the DS18

//float ds18Temp = -9999;
Variable* ds18Temp =
        new MaximDS18_Temp(&ds18, "de727a28-dcf9-4502-97e1-40811172ccbf");

// ==========================================================================
//    eTape Water Level Sensor
// ==========================================================================
float getWL(int eTapePin)
{
  #define VREF 3.3      // analog reference voltage(Volt) of the ADC 3.3 or 5???
  #define SCOUNT 50           // number of sample points to collect for averaging
  float voltage;
  int analogBuffer[SCOUNT];    // store the analog value in the array, read from ADC
  int analogBufferTemp[SCOUNT];
  int analogBufferIndex = 0,  copyIndex = 0;
  digitalWrite(22, HIGH);

  while (analogBufferIndex < SCOUNT)   // read the sensor every 50 milliseconds, SCOUNT times and store in array
    {
       analogBuffer[analogBufferIndex] = ads.readADC_SingleEnded(eTapePin);    //read the analog value and store into the buffer
       analogBufferIndex++;
  //         if(analogBufferIndex == SCOUNT)
        delay(50u);  //delay 50 milliseconds between taking sample
    }
    analogBufferIndex = 0;

    for(copyIndex=0;copyIndex<SCOUNT;copyIndex++)  // for coppyIndex = 0 to SCOUNT-1
               analogBufferTemp[copyIndex]= analogBuffer[copyIndex]; // copy analogBuffer to analogBufferTemp

  voltage = (getMedianNum(analogBufferTemp,SCOUNT)*VREF)/17585.0; // read the analog value,
  //
  digitalWrite(22, LOW);
  return voltage; //this is where you would convert voltage to stage.
}

//=============================================================
// eTape as a calculated variable
//===========================================================

float calculateeTape(void)
{
float calculatedResult = -9999;  // Always safest to start with a bad value
//sensors.requestTemperatures();

//float temperature = sensors.getTempCByIndex(0);
//float temperature = MaximDS18_Temp(&ds18);
calculatedResult = getWL(eTapeSensorPin);
//alculatedResult = getSpc(Kvalue, SpCSensorPin);

  return calculatedResult;
}

// Properties of the calculated variable
const uint8_t calculatedVareTapeResolution = 2;  // The number of digits after the decimal place
const char *calculatedVareTapeName = "Gage height";  // This must be a value from http://vocabulary.odm2.org/variablename/
const char *calculatedVareTapeUnit = "cm";  // This must be a value from http://vocabulary.odm2.org/units/
const char *calculatedVareTapeCode = "WL";  // A short code for the variable
const char *calculatedVareTapeUUID = "ea95ead2-f3ff-4737-a145-cc844d2a5537";  // The (optional) universallly unique identifier

// Finally, Create a calculated variable pointer and return a variable pointer to it
Variable *eTapeVariable = new Variable(calculateeTape, calculatedVareTapeResolution,
                                       calculatedVareTapeName, calculatedVareTapeUnit,
                                       calculatedVareTapeCode, calculatedVareTapeUUID);

// ==========================================================================
//    Function for Specific Conductivity using the DFROBOT TDS sensor
// ==========================================================================
//Eventually I would like to add this to a library
// get SpC value from sensor
float getSpC(float Kvalue, int SpCSensorPin)
 {
//    --------------------------------------------------------
      #define VREF 3.3      // analog reference voltage(Volt) of the ADC
      #define SCOUNT 50           // number of sample points to collect for averaging
      int analogBuffer[SCOUNT];    // store the analog value in the array, read from ADC
      int analogBufferTemp[SCOUNT];
      int analogBufferIndex = 0,  copyIndex = 0;
      float averageVoltage = 0,  K = Kvalue;  // K is a crude calibration factor that can be used to tune the readings
      float SpC = -1.1;
      float ds18TempVal = ds18Temp ->getValue();

      digitalWrite(22, HIGH);

      while (analogBufferIndex < SCOUNT)   // read the sensor every 50 milliseconds, SCOUNT times and store in array
        {
           analogBuffer[analogBufferIndex] = ads.readADC_SingleEnded(SpCSensorPin);    //read the analog value and store into the buffer
           analogBufferIndex++;
            delay(50u);  //delay 50 milliseconds between taking sample
        }
      analogBufferIndex = 0;

      for(copyIndex=0;copyIndex<SCOUNT;copyIndex++)  // for coppyIndex = 0 to SCOUNT-1
                 analogBufferTemp[copyIndex]= analogBuffer[copyIndex]; // copy analogBuffer to analogBufferTemp
      averageVoltage = getMedianNum(analogBufferTemp,SCOUNT) * VREF /17585.0; // read the analog value,

      float compensationCoefficient=1.0+0.019*(ds18TempVal-25.0);    //temperature compensation formula: 0.019 used by YSI

            SpC= ( 133.42*averageVoltage*averageVoltage*averageVoltage
                 - 255.86*averageVoltage*averageVoltage
                 + 857.39*averageVoltage) /compensationCoefficient * K; //convert voltage value to SpC value, then correct for temp

  digitalWrite(22, LOW);
            return SpC;

}  // end of getSpC
//=============================================================
// Conductivity/TDS as a calculated variable
//===========================================================


float calculateConductivity(void)
{
float calculatedResult = -9999;  // Always safest to start with a bad value
//sensors.requestTemperatures();

calculatedResult = getSpC(Kvalue, SpCSensorPin);
//alculatedResult = getSpc(Kvalue, SpCSensorPin);

  return calculatedResult;
}

// Properties of the calculated variable
const uint8_t calculatedVarCondResolution = 2;  // The number of digits after the decimal place
const char *calculatedVarCondName = "Conductivity";  // This must be a value from http://vocabulary.odm2.org/variablename/
const char *calculatedVarCondUnit = "uS/cm";  // This must be a value from http://vocabulary.odm2.org/units/
const char *calculatedVarCondCode = "Cond";  // A short code for the variable
const char *calculatedVarCondUUID = "1c0765dd-cde9-4532-94aa-ac3596977a94";  // The (optional) universallly unique identifier

// Finally, Create a calculated variable pointer and return a variable pointer to it
Variable *ConductivityVariable = new Variable(calculateConductivity, calculatedVarCondResolution,
                                       calculatedVarCondName, calculatedVarCondUnit,
                                       calculatedVarCondCode, calculatedVarCondUUID);

// ==========================================================================
//    Function for pH
// ==========================================================================

float getpH(int pHSensorPin)
{

#define VREF 3.3      // analog reference voltage(Volt) of the ADC
#define SCOUNT 50           // number of sample points to collect for averaging
int analogBuffer[SCOUNT];    // store the analog value in the array, read from ADC
int analogBufferTemp[SCOUNT];
int analogBufferIndex = 0,  copyIndex = 0;
float averageVoltage = 0;
//int SpCSensorPin  = 3;
float pHValue = -9999;
#define Offset 0.11            //deviation compensate

digitalWrite(22, HIGH);

while (analogBufferIndex < SCOUNT)   // read the sensor every 50 milliseconds, SCOUNT times and store in array
  {
     analogBuffer[analogBufferIndex] = ads.readADC_SingleEnded(pHSensorPin);    //read the analog value and store into the buffer
     analogBufferIndex++;
      delay(50u);  //delay 50 milliseconds between taking sample
  }
analogBufferIndex = 0;

for(copyIndex=0;copyIndex<SCOUNT;copyIndex++)  // for coppyIndex = 0 to SCOUNT-1
           analogBufferTemp[copyIndex]= analogBuffer[copyIndex]; // copy analogBuffer to analogBufferTemp
averageVoltage = getMedianNum(analogBufferTemp,SCOUNT) * VREF /17585.0; // read the analog value,

pHValue = 3.5*averageVoltage+Offset;

digitalWrite(22, LOW);
return pHValue;

}

//=============================================================
// pH as a calculated variable
//===========================================================


float calculatepH(void)
{
float calculatedResult = -9999;  // Always safest to start with a bad value
calculatedResult = getpH(pHSensorPin);

  return calculatedResult;
}

// Properties of the calculated variable
const uint8_t calculatedVarpHResolution = 2;  // The number of digits after the decimal place
const char *calculatedVarpHName = "pH";  // This must be a value from http://vocabulary.odm2.org/variablename/
const char *calculatedVarpHUnit = "pH Units";  // This must be a value from http://vocabulary.odm2.org/units/
const char *calculatedVarpHCode = "pH";  // A short code for the variable
const char *calculatedVarpHUUID = "d0732a12-4201-4e7d-aa51-eef1adbc1e60";  // The (optional) universallly unique identifier

// Finally, Create a calculated variable pointer and return a variable pointer to it
Variable *pHVariable = new Variable(calculatepH, calculatedVarpHResolution,
                                       calculatedVarCondName, calculatedVarpHUnit,
                                       calculatedVarpHCode, calculatedVarpHUUID);


// ==========================================================================
//    Creating the Variable Array[s] and Filling with Variable Objects
// ==========================================================================

Variable *variableList[] = {
    //new ProcessorStats_SampleNumber(&mcuBoard),
    //new ProcessorStats_FreeRam(&mcuBoard),
    new ProcessorStats_Battery(&mcuBoard,"33641a78-a462-4ca1-a62c-4ea8ad4ec672"),
    //new MaximDS3231_Temp(&ds3231),
    new MaximDS18_Temp(&ds18,"de727a28-dcf9-4502-97e1-40811172ccbf"),
    ConductivityVariable,
    eTapeVariable,
    pHVariable


    // Additional sensor variables can be added here, by copying the syntax
    //   for creating the variable pointer (FORM1) from the <code>menu_a_la_carte.ino</code> example
    // The example code snippets in the wiki are primarily FORM2.
};
// Count up the number of pointers in the array
int variableCount = sizeof(variableList) / sizeof(variableList[0]);

// Create the VariableArray object
VariableArray varArray;


// ==========================================================================
//     The Logger Object[s]
// ==========================================================================

// Create a logger instance
Logger dataLogger;


// ==========================================================================
//    Working Functions
// ==========================================================================

// Flashes the LED's on the primary board
void greenredflash(uint8_t numFlash = 4, uint8_t rate = 75)
{
  for (uint8_t i = 0; i < numFlash; i++) {
    digitalWrite(greenLED, HIGH);
    digitalWrite(redLED, LOW);
    delay(rate);
    digitalWrite(greenLED, LOW);
    digitalWrite(redLED, HIGH);
    delay(rate);
  }
  digitalWrite(redLED, LOW);
}

//Median Funtion
// calculate a median for set of values in buffer
int getMedianNum(int bArray[], int iFilterLen)
{     int bTab[iFilterLen];
   for (byte i = 0; i<iFilterLen; i++)
 bTab[i] = bArray[i];                  // copy input array into BTab[] array
   int i, j, bTemp;
   for (j = 0; j < iFilterLen - 1; j++)        // put array in ascending order
   {  for (i = 0; i < iFilterLen - j - 1; i++)
       {  if (bTab[i] > bTab[i + 1])
           {  bTemp = bTab[i];
              bTab[i] = bTab[i + 1];
              bTab[i + 1] = bTemp;
            }
        }
   }
if ((iFilterLen & 1) > 0)  // check to see if iFilterlen is odd or even using & (bitwise AND) i.e if length &AND 1 is TRUE (>0)
     bTemp = bTab[(iFilterLen - 1) / 2];     // then then it is odd, and should take the central value
 else
    bTemp = (bTab[iFilterLen / 2] + bTab[iFilterLen / 2 - 1]) / 2;  // if even then take aveage of two central values
return bTemp;
} //end getmedianNum


// ==========================================================================
// Main setup function
// ==========================================================================
void setup()
{
    // Start the primary serial connection
    Serial.begin(serialBaud);
    ads.begin();//check
    //sensors.begin();

    //just checking the code for this
    //float kvaluecheck = -9999;
    //EEPROM_read(KVALUEADDR, kvaluecheck);
  //  Serial.print("EEPROM KVALUE:");
    //Serial.println(kvaluecheck);

    // Print a start-up note to the first serial port
    Serial.print(F("Now running "));
    Serial.print(sketchName);
    Serial.print(F(" on Logger "));
    Serial.println(LoggerID);
    Serial.println();

    Serial.print(F("Using ModularSensors Library version "));
    Serial.println(MODULAR_SENSORS_VERSION);

    // Set up pins for the LED's
    pinMode(greenLED, OUTPUT);
    digitalWrite(greenLED, LOW);
    pinMode(redLED, OUTPUT);
    digitalWrite(redLED, LOW);
    // Blink the LEDs to show the board is on and starting up
    greenredflash();

    // Set the timezones for the logger/data and the RTC
    // Logging in the given time zone
    Logger::setLoggerTimeZone(timeZone);
    // It is STRONGLY RECOMMENDED that you set the RTC to be in UTC (UTC+0)
    Logger::setRTCTimeZone(0);

    // Set information pins
    dataLogger.setLoggerPins(wakePin, sdCardSSPin, sdCardPwrPin, buttonPin, greenLED);

    // Begin the variable array[s], logger[s], and publisher[s]
    varArray.begin(variableCount, variableList);
    dataLogger.begin(LoggerID, loggingInterval, &varArray);

    // Set up the sensors
    Serial.println(F("Setting up sensors..."));
    varArray.setupSensors();

    // Create the log file, adding the default header to it
    // Do this last so we have the best chance of getting the time correct and
    // all sensor names correct
    dataLogger.createLogFile(true);  // true = write a new header

    // Call the processor sleep
    dataLogger.systemSleep();
}

// ==========================================================================
// Main loop function
// ==========================================================================
void loop()
{
    dataLogger.logData();
}

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/*****************************************************************************

simple_logging.ino

Written By: Sara Damiano (sdamiano@stroudcenter.org)

Development Environment: PlatformIO

Hardware Platform: EnviroDIY Mayfly Arduino Datalogger

Software License: BSD-3.

and the EnviroDIY Development Team

This sketch is an example of logging data to an SD card

DISCLAIMER:

THIS CODE IS PROVIDED "AS IS" - NO WARRANTY IS GIVEN.

*****************************************************************************/

// ==========================================================================

// Defines for the Arduino IDE

// In PlatformIO, set these build flags in your platformio.ini

// ==========================================================================

#ifndef TINY_GSM_RX_BUFFER

#define TINY_GSM_RX_BUFFER 64

#endif

#ifndef TINY_GSM_YIELD_MS

#define TINY_GSM_YIELD_MS 2

#endif

#ifndef MQTT_MAX_PACKET_SIZE

#define MQTT_MAX_PACKET_SIZE 240

#endif

// ==========================================================================

// Include the base required libraries

// ==========================================================================

#include <Arduino.h> // The base Arduino library

#include <EnableInterrupt.h> // for external and pin change interrupts

#include <LoggerBase.h> // The modular sensors library

#include <Adafruit_ADS1015.h>

Adafruit_ADS1115 ads; /* Use this for the Mayfly because of the onboard 16-bit ADS1115 */

#include <EEPROM.h> // use this to get the K value from the EEPROM

//EEPROM READ KVALUE

#define EEPROM_read(address, p) {int i = 0; byte *pp = (byte*)&(p);for(; i < sizeof(p); i++) pp[i]=EEPROM.read(address+i);}

#define KVALUEADDR 0x0F

#include <OneWire.h>

#include <DallasTemperature.h>

/********************************************************************/

// Data wire is plugged into pin 7 on the Arduino

#define ONE_WIRE_BUS 5 // For EnviroDIY Mayfly, I am using digital pin 7.

/********************************************************************/

// Setup a oneWire instance to communicate with any OneWire devices

// (not just Maxim/Dallas temperature ICs)

OneWire oneWire(ONE_WIRE_BUS);

/********************************************************************/

// Pass our oneWire reference to Dallas Temperature.

DallasTemperature sensors(&oneWire);

// ==========================================================================

// Data Logger Settings

// ==========================================================================

// The name of this file

const char *sketchName = "Kopurererua_Taumata.ino";

// Logger ID, also becomes the prefix for the name of the data file on SD card

const char *LoggerID = "Kopurererua at Taumata Bridge";

// How frequently (in minutes) to log data

const uint8_t loggingInterval = 15;

// Your logger's timezone.

const int8_t timeZone = 12; // Eastern Standard Time

// NOTE: Daylight savings time will not be applied! Please use standard time!

// ==========================================================================

// Primary Arduino-Based Board and Processor

// ==========================================================================

#include <sensors/ProcessorStats.h>

const long serialBaud = 115200; // Baud rate for the primary serial port for debugging

const int8_t greenLED = 8; // MCU pin for the green LED (-1 if not applicable)

const int8_t redLED = 9; // MCU pin for the red LED (-1 if not applicable)

const int8_t buttonPin = 21; // MCU pin for a button to use to enter debugging mode (-1 if not applicable)

const int8_t wakePin = A7; // MCU interrupt/alarm pin to wake from sleep

// Set the wake pin to -1 if you do not want the main processor to sleep.

// In a SAMD system where you are using the built-in rtc, set wakePin to 1

const int8_t sdCardPwrPin = -1; // MCU SD card power pin (-1 if not applicable)

const int8_t sdCardSSPin = 12; // MCU SD card chip select/slave select pin (must be given!)

const int8_t sensorPowerPin = 22; // MCU pin controlling main sensor power (-1 if not applicable)

// Create the main processor chip "sensor" - for general metadata

const char *mcuBoardVersion = "v0.5b";

ProcessorStats mcuBoard(mcuBoardVersion);

// ==========================================================================

// Wifi/Cellular Modem Settings

// ==========================================================================

// Create a reference to the serial port for the modem

HardwareSerial &modemSerial = Serial1; // Use hardware serial if possible

// Modem Pins - Describe the physical pin connection of your modem to your board

const int8_t modemVccPin = -1; // MCU pin controlling modem power (-1 if not applicable)

//const bool useCTSforStatus = false; // Flag to use the XBee CTS pin for status

const int8_t modemStatusPin = 19; // MCU pin used to read modem status (-1 if not applicable)

const int8_t modemResetPin = 20; // MCU pin connected to modem reset pin (-1 if unconnected)

const int8_t modemSleepRqPin = 23; // MCU pin used for modem sleep/wake request (-1 if not applicable)

const int8_t modemLEDPin = redLED; // MCU pin connected an LED to show modem status (-1 if unconnected)

// // Network connection information

// Network connection information

const char *apn = "m2m"; // The APN for the gprs connection

// const char *wifiId = "Dare_Family"; // The WiFi access point, unnecessary for gprs

// const char *wifiPwd = "119HarveyStreet"; // The password for connecting to WiFi, unnecessary for gprs

// ==========================================================================

// The modem object

// Note: Don't use more than one!

// ==========================================================================

//#elif defined MS_BUILD_TESTING && defined MS_BUILD_TEST_XBEE_LTE_B

// For the u-blox SARA R410M based Digi LTE-M XBee3

// NOTE: According to the manual, this should be less stable than transparent

// mode, but my experience is the complete reverse.

#include <modems/DigiXBeeLTEBypass.h>

//#include <modems/SodaqDigiXBeeLTEBypass.h>

const long modemBaud = 9600; // All XBee's use 9600 by default

const bool useCTSforStatus = false; // Flag to use the XBee CTS pin for status

// NOTE: If possible, use the STATUS/SLEEP_not (XBee pin 13) for status, but

// the CTS pin can also be used if necessary

DigiXBeeLTEBypass modemXBLTEB(&modemSerial,

modemVccPin, modemStatusPin, useCTSforStatus,

modemResetPin, modemSleepRqPin,

apn);

// Create an extra reference to the modem by a generic name (not necessary)

DigiXBeeLTEBypass modem = modemXBLTEB;

// ==========================================================================

// Conductvity sensor settings

// ==========================================================================

// //Cond sensor pins

const int SpCSensorPin = 3;

//const float Kvalue = -9999;//updated 05/11/2020

const float Kvalue = 1;

EEPROM_read(KVALUEADDR, Kvalue); //1.0 means no change to raw readings

// ==========================================================================

// eTape sensor settings

// ==========================================================================

const int eTapeSensorPin = 1;

// ==========================================================================

// Maxim DS3231 RTC (Real Time Clock)

// ==========================================================================

#include <sensors/MaximDS3231.h> // Includes wrapper functions for Maxim DS3231 RTC

// Create a DS3231 sensor object, using this constructor function:

MaximDS3231 ds3231(1);

// ==========================================================================

// pH sensor settings

// ==========================================================================

const int pHSensorPin = 3; //check pH sensor pin.

// ==========================================================================

// Maxim DS18 One Wire Temperature Sensor

// ==========================================================================

#include <sensors/MaximDS18.h>

// OneWire Address [array of 8 hex characters]

// If only using a single sensor on the OneWire bus, you may omit the address

// DeviceAddress OneWireAddress1 = {0x28, 0xFF, 0xBD, 0xBA, 0x81, 0x16, 0x03, 0x0C};

const int8_t OneWirePower = sensorPowerPin; // Pin to switch power on and off (-1 if unconnected)

const int8_t OneWireBus = 5; // Pin attached to the OneWire Bus (-1 if unconnected) (D24 = A0)

// Create a Maxim DS18 sensor objects (use this form for a known address)

// MaximDS18 ds18(OneWireAddress1, OneWirePower, OneWireBus);

// Create a Maxim DS18 sensor object (use this form for a single sensor on bus with an unknown address)

MaximDS18 ds18(OneWirePower, OneWireBus);

// Create a temperature variable pointer for the DS18

//float ds18Temp = -9999;

Variable* ds18Temp =

new MaximDS18_Temp(&ds18, "de727a28-dcf9-4502-97e1-40811172ccbf");

// ==========================================================================

// eTape Water Level Sensor

// ==========================================================================

float getWL(int eTapePin)

{

#define VREF 3.3 // analog reference voltage(Volt) of the ADC 3.3 or 5???

#define SCOUNT 50 // number of sample points to collect for averaging

float voltage;

int analogBuffer[SCOUNT]; // store the analog value in the array, read from ADC

int analogBufferTemp[SCOUNT];

int analogBufferIndex = 0, copyIndex = 0;

digitalWrite(22, HIGH);

while (analogBufferIndex < SCOUNT) // read the sensor every 50 milliseconds, SCOUNT times and store in array

{

analogBuffer[analogBufferIndex] = ads.readADC_SingleEnded(eTapePin); //read the analog value and store into the buffer

analogBufferIndex++;

// if(analogBufferIndex == SCOUNT)

delay(50u); //delay 50 milliseconds between taking sample

}

analogBufferIndex = 0;

for(copyIndex=0;copyIndex<SCOUNT;copyIndex++) // for coppyIndex = 0 to SCOUNT-1

analogBufferTemp[copyIndex]= analogBuffer[copyIndex]; // copy analogBuffer to analogBufferTemp

voltage = (getMedianNum(analogBufferTemp,SCOUNT)*VREF)/17585.0; // read the analog value,

digitalWrite(22, LOW);

return voltage; //this is where you would convert voltage to stage.

}

//=============================================================

// eTape as a calculated variable

//===========================================================

float calculateeTape(void)

{

float calculatedResult = -9999; // Always safest to start with a bad value

//sensors.requestTemperatures();

//float temperature = sensors.getTempCByIndex(0);

//float temperature = MaximDS18_Temp(&ds18);

calculatedResult = getWL(eTapeSensorPin);

//alculatedResult = getSpc(Kvalue, SpCSensorPin);

return calculatedResult;

}

// Properties of the calculated variable

const uint8_t calculatedVareTapeResolution = 2; // The number of digits after the decimal place

const char *calculatedVareTapeName = "Gage height"; // This must be a value from http://vocabulary.odm2.org/variablename/

const char *calculatedVareTapeUnit = "cm"; // This must be a value from http://vocabulary.odm2.org/units/

const char *calculatedVareTapeCode = "WL"; // A short code for the variable

const char *calculatedVareTapeUUID = "ea95ead2-f3ff-4737-a145-cc844d2a5537"; // The (optional) universallly unique identifier

// Finally, Create a calculated variable pointer and return a variable pointer to it

Variable *eTapeVariable = new Variable(calculateeTape, calculatedVareTapeResolution,

calculatedVareTapeName, calculatedVareTapeUnit,

calculatedVareTapeCode, calculatedVareTapeUUID);

// ==========================================================================

// Function for Specific Conductivity using the DFROBOT TDS sensor

// ==========================================================================

//Eventually I would like to add this to a library

// get SpC value from sensor

float getSpC(float Kvalue, int SpCSensorPin)

{

// --------------------------------------------------------

#define VREF 3.3 // analog reference voltage(Volt) of the ADC

#define SCOUNT 50 // number of sample points to collect for averaging

int analogBuffer[SCOUNT]; // store the analog value in the array, read from ADC

int analogBufferTemp[SCOUNT];

int analogBufferIndex = 0, copyIndex = 0;

float averageVoltage = 0, K = Kvalue; // K is a crude calibration factor that can be used to tune the readings

float SpC = -1.1;

float ds18TempVal = ds18Temp ->getValue();

digitalWrite(22, HIGH);

while (analogBufferIndex < SCOUNT) // read the sensor every 50 milliseconds, SCOUNT times and store in array

{

analogBuffer[analogBufferIndex] = ads.readADC_SingleEnded(SpCSensorPin); //read the analog value and store into the buffer

analogBufferIndex++;

delay(50u); //delay 50 milliseconds between taking sample

}

analogBufferIndex = 0;

for(copyIndex=0;copyIndex<SCOUNT;copyIndex++) // for coppyIndex = 0 to SCOUNT-1

analogBufferTemp[copyIndex]= analogBuffer[copyIndex]; // copy analogBuffer to analogBufferTemp

averageVoltage = getMedianNum(analogBufferTemp,SCOUNT) * VREF /17585.0; // read the analog value,

float compensationCoefficient=1.0+0.019*(ds18TempVal-25.0); //temperature compensation formula: 0.019 used by YSI

SpC= ( 133.42*averageVoltage*averageVoltage*averageVoltage

- 255.86*averageVoltage*averageVoltage

+ 857.39*averageVoltage) /compensationCoefficient * K; //convert voltage value to SpC value, then correct for temp

digitalWrite(22, LOW);

return SpC;

} // end of getSpC

//=============================================================

// Conductivity/TDS as a calculated variable

//===========================================================

float calculateConductivity(void)

{

float calculatedResult = -9999; // Always safest to start with a bad value

//sensors.requestTemperatures();

calculatedResult = getSpC(Kvalue, SpCSensorPin);

//alculatedResult = getSpc(Kvalue, SpCSensorPin);

return calculatedResult;

}

// Properties of the calculated variable

const uint8_t calculatedVarCondResolution = 2; // The number of digits after the decimal place

const char *calculatedVarCondName = "Conductivity"; // This must be a value from http://vocabulary.odm2.org/variablename/

const char *calculatedVarCondUnit = "uS/cm"; // This must be a value from http://vocabulary.odm2.org/units/

const char *calculatedVarCondCode = "Cond"; // A short code for the variable

const char *calculatedVarCondUUID = "1c0765dd-cde9-4532-94aa-ac3596977a94"; // The (optional) universallly unique identifier

// Finally, Create a calculated variable pointer and return a variable pointer to it

Variable *ConductivityVariable = new Variable(calculateConductivity, calculatedVarCondResolution,

calculatedVarCondName, calculatedVarCondUnit,

calculatedVarCondCode, calculatedVarCondUUID);

// ==========================================================================

// Function for pH

// ==========================================================================

float getpH(int pHSensorPin)

{

#define VREF 3.3 // analog reference voltage(Volt) of the ADC

#define SCOUNT 50 // number of sample points to collect for averaging

int analogBuffer[SCOUNT]; // store the analog value in the array, read from ADC

int analogBufferTemp[SCOUNT];

int analogBufferIndex = 0, copyIndex = 0;

float averageVoltage = 0;

//int SpCSensorPin = 3;

float pHValue = -9999;

#define Offset 0.11 //deviation compensate

digitalWrite(22, HIGH);

while (analogBufferIndex < SCOUNT) // read the sensor every 50 milliseconds, SCOUNT times and store in array

{

analogBuffer[analogBufferIndex] = ads.readADC_SingleEnded(pHSensorPin); //read the analog value and store into the buffer

analogBufferIndex++;

delay(50u); //delay 50 milliseconds between taking sample

}

analogBufferIndex = 0;

for(copyIndex=0;copyIndex<SCOUNT;copyIndex++) // for coppyIndex = 0 to SCOUNT-1

analogBufferTemp[copyIndex]= analogBuffer[copyIndex]; // copy analogBuffer to analogBufferTemp

averageVoltage = getMedianNum(analogBufferTemp,SCOUNT) * VREF /17585.0; // read the analog value,

pHValue = 3.5*averageVoltage+Offset;

digitalWrite(22, LOW);

return pHValue;

}

//=============================================================

// pH as a calculated variable

//===========================================================

float calculatepH(void)

{

float calculatedResult = -9999; // Always safest to start with a bad value

calculatedResult = getpH(pHSensorPin);

return calculatedResult;

}

// Properties of the calculated variable

const uint8_t calculatedVarpHResolution = 2; // The number of digits after the decimal place

const char *calculatedVarpHName = "pH"; // This must be a value from http://vocabulary.odm2.org/variablename/

const char *calculatedVarpHUnit = "pH Units"; // This must be a value from http://vocabulary.odm2.org/units/

const char *calculatedVarpHCode = "pH"; // A short code for the variable

const char *calculatedVarpHUUID = "d0732a12-4201-4e7d-aa51-eef1adbc1e60"; // The (optional) universallly unique identifier

// Finally, Create a calculated variable pointer and return a variable pointer to it

Variable *pHVariable = new Variable(calculatepH, calculatedVarpHResolution,

calculatedVarCondName, calculatedVarpHUnit,

calculatedVarpHCode, calculatedVarpHUUID);

// ==========================================================================

// Creating the Variable Array[s] and Filling with Variable Objects

// ==========================================================================

Variable *variableList[] = {

//new ProcessorStats_SampleNumber(&mcuBoard),

//new ProcessorStats_FreeRam(&mcuBoard),

new ProcessorStats_Battery(&mcuBoard,"33641a78-a462-4ca1-a62c-4ea8ad4ec672"),

//new MaximDS3231_Temp(&ds3231),

new MaximDS18_Temp(&ds18,"de727a28-dcf9-4502-97e1-40811172ccbf"),

ConductivityVariable,

eTapeVariable,

pHVariable

// Additional sensor variables can be added here, by copying the syntax

// for creating the variable pointer (FORM1) from the <code>menu_a_la_carte.ino</code> example

// The example code snippets in the wiki are primarily FORM2.

};

// Count up the number of pointers in the array

int variableCount = sizeof(variableList) / sizeof(variableList[0]);

// Create the VariableArray object

VariableArray varArray;

// ==========================================================================

// The Logger Object[s]

// ==========================================================================

// Create a logger instance

Logger dataLogger;

// ==========================================================================

// Working Functions

// ==========================================================================

// Flashes the LED's on the primary board

void greenredflash(uint8_t numFlash = 4, uint8_t rate = 75)

{

for (uint8_t i = 0; i < numFlash; i++) {

digitalWrite(greenLED, HIGH);

digitalWrite(redLED, LOW);

delay(rate);

digitalWrite(greenLED, LOW);

digitalWrite(redLED, HIGH);

delay(rate);

}

digitalWrite(redLED, LOW);

}

//Median Funtion

// calculate a median for set of values in buffer

int getMedianNum(int bArray[], int iFilterLen)

{ int bTab[iFilterLen];

for (byte i = 0; i<iFilterLen; i++)

bTab[i] = bArray[i]; // copy input array into BTab[] array

int i, j, bTemp;

for (j = 0; j < iFilterLen - 1; j++) // put array in ascending order

{ for (i = 0; i < iFilterLen - j - 1; i++)

{ if (bTab[i] > bTab[i + 1])

{ bTemp = bTab[i];

bTab[i] = bTab[i + 1];

bTab[i + 1] = bTemp;

}

if ((iFilterLen & 1) > 0) // check to see if iFilterlen is odd or even using & (bitwise AND) i.e if length &AND 1 is TRUE (>0)

bTemp = bTab[(iFilterLen - 1) / 2]; // then then it is odd, and should take the central value

else

bTemp = (bTab[iFilterLen / 2] + bTab[iFilterLen / 2 - 1]) / 2; // if even then take aveage of two central values

return bTemp;

} //end getmedianNum

// ==========================================================================

// Main setup function

// ==========================================================================

void setup()

{

// Start the primary serial connection

Serial.begin(serialBaud);

ads.begin();//check

//sensors.begin();

//just checking the code for this

//float kvaluecheck = -9999;

//EEPROM_read(KVALUEADDR, kvaluecheck);

// Serial.print("EEPROM KVALUE:");

//Serial.println(kvaluecheck);

// Print a start-up note to the first serial port

Serial.print(F("Now running "));

Serial.print(sketchName);

Serial.print(F(" on Logger "));

Serial.println(LoggerID);

Serial.println();

Serial.print(F("Using ModularSensors Library version "));

Serial.println(MODULAR_SENSORS_VERSION);

// Set up pins for the LED's

pinMode(greenLED, OUTPUT);

digitalWrite(greenLED, LOW);

pinMode(redLED, OUTPUT);

digitalWrite(redLED, LOW);

// Blink the LEDs to show the board is on and starting up

greenredflash();

// Set the timezones for the logger/data and the RTC

// Logging in the given time zone

Logger::setLoggerTimeZone(timeZone);

// It is STRONGLY RECOMMENDED that you set the RTC to be in UTC (UTC+0)

Logger::setRTCTimeZone(0);

// Set information pins

dataLogger.setLoggerPins(wakePin, sdCardSSPin, sdCardPwrPin, buttonPin, greenLED);

// Begin the variable array[s], logger[s], and publisher[s]

varArray.begin(variableCount, variableList);

dataLogger.begin(LoggerID, loggingInterval, &varArray);

// Set up the sensors

Serial.println(F("Setting up sensors..."));

varArray.setupSensors();

// Create the log file, adding the default header to it

// Do this last so we have the best chance of getting the time correct and

// all sensor names correct

dataLogger.createLogFile(true); // true = write a new header

// Call the processor sleep

dataLogger.systemSleep();

}

// ==========================================================================

// Main loop function

// ==========================================================================

void loop()

{

dataLogger.logData();

}

More...

2021-03-02 at 10:17 AM #15185
Sara Damiano
Moderator
I think you just missed commenting out one more reference to the EEPROM in line 144: EEPROM_read(KVALUEADDR, Kvalue); //1.0 means no change to raw readings. Just commenting or deleting th

I think you just missed commenting out one more reference to the EEPROM in line 144: EEPROM_read(KVALUEADDR, Kvalue); //1.0 means no change to raw readings. Just commenting or deleting that line should fix the compiler error. I would also suggest you delete lines 38-43 so you’re not even trying to include the unused EEPROM library.

If you wanted to, you could use the “extVoltage” sensor in ModularSensors with >1 reading to simplify all your code for reading the analog values. You would still need to create a calculated variable for the pH, conductivity, and eTape calculated from the voltage. There’s nothing wrong, though, with reading the value and doing the calculations just as you are.

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2021-03-02 at 10:30 AM #15186
Sara Damiano
Moderator
If you’re still using the Arduino IDE, you might consider switching to VSCode (or Atom) with PlatformIO. I know VSCode seems very scary to start with, but if you’re writing new code or e

If you’re still using the Arduino IDE, you might consider switching to VSCode (or Atom) with PlatformIO. I know VSCode seems very scary to start with, but if you’re writing new code or even just copy-pasting chunks the linting tools it provides are invaluable. When I created a project for your code in VSCode, it immediately highlighted the errant EEPROM line. I know when I try write code of any type without the linter, I always screw up and miss semicolons or other small errors that are really hard to find with your eyes reading the code but which the linter flags right away.

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2021-03-02 at 3:08 PM #15187
James_NZ
Participant
Thanks @srgdamiano! I will try again when I get home from work.

I am using Atom with PlatformIO. How do I turn the linter tools on? thanks also for the tip on ‘extVoltage’. I was go

Thanks @srgdamiano! I will try again when I get home from work.

I am using Atom with PlatformIO. How do I turn the linter tools on? thanks also for the tip on ‘extVoltage’. I was going to write a function that did the same thing as the unnecessary repetition was starting to bug me!

James

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2021-03-03 at 2:47 AM #15190
James_NZ
Participant
Hi Sara,

I worked through this and everything compiles correctly now! Thanks for your help.

I did wonder about the linter in Atom. From what I have read there seems to be an issue with linters w

Hi Sara,

I worked through this and everything compiles correctly now! Thanks for your help.

I did wonder about the linter in Atom. From what I have read there seems to be an issue with linters working with .ino files in Atom. Have you guys found anything that works?

James

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2021-03-03 at 1:01 PM #15191
neilh20
Participant
In case its of interest, I’m using the EEPROMClass from EEPROM.h

\.platformio\packages\framework-arduino-avr\libraries\EEPROM\src

EEPROM.put(EP_PERSISTENT_STORE_ADDR, epc.app); where epc.app

In case its of interest, I’m using the EEPROMClass from EEPROM.h

\.platformio\packages\framework-arduino-avr\libraries\EEPROM\src

EEPROM.put(EP_PERSISTENT_STORE_ADDR, epc.app); where epc.app is a typedef containing all the values to be stored/read from persistent EEPROM.

and similarly

EEPROM.get(EP_PERSISTENT_STORE_ADDR, epc.app);

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2021-03-03 at 1:11 PM #15192
Sara Damiano
Moderator
I’ve been using primarily VSCode for a while because it loads faster on my computer, but I believe I set Atom up to force ino’s as cpp’s: https://docs.platformio.org/en/latest/inte

I’ve been using primarily VSCode for a while because it loads faster on my computer, but I believe I set Atom up to force ino’s as cpp’s: https://docs.platformio.org/en/latest/integration/ide/atom.html#force-arduino-file-as-c

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