From 97afa2a5efb186c5ac1f83676a5a5d98da3d9f8a Mon Sep 17 00:00:00 2001
From: Utsav Kataria <utsav@sminnovations.in>
Date: Thu, 28 Mar 2024 06:19:40 +0000
Subject: [PATCH] Delete TruehemeV1.3

---
 TruehemeV1.3 | 764 ---------------------------------------------------
 1 file changed, 764 deletions(-)
 delete mode 100644 TruehemeV1.3

diff --git a/TruehemeV1.3 b/TruehemeV1.3
deleted file mode 100644
index f2821a3..0000000
--- a/TruehemeV1.3
+++ /dev/null
@@ -1,764 +0,0 @@
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-/////////////////////////////////////////////////////////////////////TRUEHEME CODE V0.1.3 - BETA Version (Tested)/////////////////////////////////////////////////////////////////////
-//////////NEW Changes: All LED warmup function Added; Limit Switch added;EEPROM storage of DAC values; Stray light sensing; Turing on any one LED///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-#include "ADS1X15.h"
-#include <EEPROM.h>
-#include <SPI.h>
-#include <Wire.h>
-/////////////////////////////////////////////////////////////////////PLEASE UPDATE DEVICE ID BEFORE UPLOADING TO ANY DEVICE/////////////////////////////////////////////////////////////////
-String Device_ID = "SNS HCV-001-0012 SNE";                        // Device ID
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-const int LED_available[] = {1,2,3,4};                            // List of LEDs available. All Variables with 4 columns (other than ones controlling the LED turning ON sequence) must be filled in this order
-int LED_sequence[] = {1,2,3,4};                                   // LED turning ON sequence
-int Detector_sequence[] = {1,1,1,1};                              // Detector sequence (if hardware supports dual pathlength)
-int LED_dac[] = {1792,2304,2040,1920};                            // Preset DAC values for the device
-int LED_sample_size[] = {50,50,50,50};                            // No. of ADC readings to use for Average ADC calculation
-int LED_DS_threshold[] = {22000,18000,18000,22000};               // DAC sweep upperlimit for each LED
-int LED_settling_time[] = {20000,20000,20000,20000};              // Settling time given to each LED
-int ADC_reading_delay[] = {0,0,0,0};                              // Delay for each ADC reading while averaging
-int led_warmup_DAC[] = {3000,3000,3000,3000};                     // DAC value at which all the LEDs will be powered during LED warmup
-int DAC_Sweep_start_limit[] = {1000,1000,1000,1000};              // Lower limit for DAC sweep
-int DAC_Sweep_end_limit[] = {4000,4000,4000,4000};                // Upper limit for DAC sweep
-int DacSweep_gain_combinations[] = {0,0,0,0};                     // Gain to be used for DAC sweep
-
-int incr=8;                                                       // DAC sweep increment
-int del=1000;                                                     // Delay between each interval of the DAC sweep
-int appmode=1;                                                    // if =1, it removes most of the unwanted serial prints
-int raw_ADC_print=0;                                              // if =1, it will serialprint raw ADC values (even during LED warmup and settling)
-int timestamp_printer=0;                                          // if =1, will print timestamp at regular intervals
-int limit_switch_active=0;                                        // If there is a limit switch in the device, make it 1
-
-int Blank_gain_combinations[] = {0,0,0,0};                        // Programmable gain to be used while blanking
-int Sample_gain_combinations[5][4] = {{0,0,0,0},{1,1,1,1},{2,2,2,2},{4,4,4,4},{8,8,8,8}}; // Programmable gain to be used while taking sample readings
-
-///////////////////////////////////////////DO NOT CHANGE ANY VALUES BELOW //////////////////////////////////////////////////////////////////////////////////////////////
-const int PIN_CS_DAC1 = 10;                                       // Chip select pin for DAC 1
-const int PIN_CS_DAC2 = 9;                                        // Chip select pin for DAC 2
-const int GAIN_1 = 0x1;                                           // DAC 1X gain (output between 0 - 2.048 Volts)
-const int GAIN_2 = 0x0;                                           // DAC 2X gain (output between 0 - 4.096 Volts)
-
-const int PD1G1 = 6;                                              // Programmable gain resistor _______ohm
-const int PD1G2 = 8;                                              // Programmable gain resistor _______ohm
-const int PD2G1 = 5;                                              // Programmable gain resistor _______ohm
-const int PD2G2 = 7;                                              // Programmable gain resistor _______ohm
-
-const int LEDR = A2;                                              // Red indicator LED
-const int LEDB = A0;                                              // Blue indicator LED
-const int LEDG = A1;                                              // Green indicator LED
-
-const int Limit_Switch = 2;                                       // Limit switch for cuvette sensing
-const int Buzzer_pin = 3;                                         // Buzzer connection for alert
-
-ADS1115 ADS(0x48);
-///////////////////////////////////////////DO NOT CHANGE ANY VALUES ABOVE //////////////////////////////////////////////////////////////////////////////////////////////
-const char compile_date[] = __DATE__ " " __TIME__;                //Stores date and time when the firmware was uploaded on the arduino
-String Firmware_location_Auto=__FILE__;                           //Stores location of the firmware on the computer used for uploading
-String Firmware_version_Auto=__FILE__;                            //Stores the firmware version uploaded
-int DAC_lower_limit[]= {0,0,0,0};
-int DAC_upper_limit[]= {4096,4096,4096,4096};
-unsigned long long intensity_storage = 0;
-int temp_counter = 0;
-const int detector_settling_time=2000;
-const int detector_settling_time_DACsweep=1000;
-
-float avg_storage = 0;
-float avg_green = 0;
-float avg_blue = 0;
-float old_green = 0;
-float old_blue = 0;
-int initialRGBstate=0;
-
-int split_counter = 0;
-int intensity_display = 1;
-int plotter = 0;
-
-int j = 0;
-
-float average_readings = 0;
-float avg_blank[]={0,0,0,0};
-float avg_air_blank[]={0,0,0,0};
-float avg_sample[]={0,0,0,0};
-int LED_on_status[]={0,0,0,0};
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-void setup()
-{
-  Serial.begin(9600);
-  pinMode(PIN_CS_DAC1, OUTPUT);
-  pinMode(PIN_CS_DAC2, OUTPUT);
-  pinMode(PD1G1, OUTPUT);
-  pinMode(PD1G2, OUTPUT);
-  pinMode(PD2G1, OUTPUT);
-  pinMode(PD2G2, OUTPUT);
-  pinMode(LEDR, OUTPUT);
-  pinMode(LEDG, OUTPUT);
-  pinMode(LEDB, OUTPUT);
-  pinMode(Limit_Switch, INPUT);
-  pinMode(Buzzer_pin, OUTPUT);
-  digitalWrite(LEDR, LOW);
-  digitalWrite(LEDG, HIGH);
-  digitalWrite(LEDB, HIGH);
-  SPI.begin();
-  SPI.setClockDivider(SPI_CLOCK_DIV2);
-  ADS.begin();
-  if(appmode==0)
-  {
-    Serial.print("Initial DAC Settings:  ");
-    for (int i =0; i<4;i++)
-    {
-      Serial.print("\t");Serial.print(LED_dac[i]);
-    }
-    Serial.println();
-  }  
-  if(appmode==0)
-  {
-    Serial.print("Process: Setup End; Timestamp: ");Serial.println(millis());
-  }
-}
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-void buzzer(int mode)
-{
-  if(mode==1)
-  {
-    tone(Buzzer_pin, 2730, 1000);
-  }
-  else if (mode==2)
-  {
-    tone(Buzzer_pin, 2730, 5000);
-  }  
-}
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-void all_LEDs_turnoff()
-{  
-  setOutput(GAIN_1, 0, 1);  //LED 1
-  setOutput(GAIN_1, 0, 2);  //LED 2
-  setOutput(GAIN_1, 0, 3);  //LED 3
-  setOutput(GAIN_1, 0, 4);  //LED 4
-}
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-void secondary_gain_select(int gain_combo)
-{
-  bool gain_choice1=bitRead(gain_combo, 0);
-  bool gain_choice2=bitRead(gain_combo, 1);
-  bool gain_choice3=bitRead(gain_combo, 2);
-  bool gain_choice4=bitRead(gain_combo, 3);
-  digitalWrite(PD1G1, gain_choice1);
-  digitalWrite(PD1G2, gain_choice2);
-  digitalWrite(PD2G1, gain_choice3);
-  digitalWrite(PD2G2, gain_choice4);
-  if(appmode==0)
-  {
-    Serial.print("Gains Used\t G1:");Serial.print(gain_choice1);Serial.print("\t G2:");Serial.print(gain_choice2);Serial.print("\t G3:");Serial.print(gain_choice3);Serial.print("\t G4:");Serial.println(gain_choice4);
-  }  
-}
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-void setOutput(byte gain, unsigned int val, int LEDselect)
-{
-  byte channel=0;
-  byte shutdown=1;
-  if(LEDselect%2==0)
-  {
-    channel=1;
-  }
-  else
-  {
-    channel=0;
-  }
-  byte lowByte = val & 0xff;
-  byte highByte = ((val >> 8) & 0xff) | channel << 7 | gain << 5 | shutdown << 4;
-  if (LEDselect <= 2)
-  {
-    PORTB &= 0xfb;
-    SPI.transfer(highByte);
-    SPI.transfer(lowByte);
-    PORTB |= 0x4;
-  }
-  else
-  {
-    PORTB &= 0xfd;
-    SPI.transfer(highByte);
-    SPI.transfer(lowByte);
-    PORTB |= 0x2;
-  }
-}
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-void indicator_LED(char statusLED)
-{
-  digitalWrite(LEDR,LOW);
-  digitalWrite(LEDG,LOW);
-  digitalWrite(LEDB,LOW);
-  digitalWrite(LEDR,(statusLED=='R'));
-  digitalWrite(LEDG,(statusLED=='G'));
-  digitalWrite(LEDB,(statusLED=='B'));
-  /*
-  if(statusLED=='R')
-  {
-    digitalWrite(LEDR,HIGH);
-    digitalWrite(LEDG,LOW);
-    digitalWrite(LEDB,LOW);
-    //Serial.println("RED");
-  }
-  else if(statusLED=='G')
-  {
-    digitalWrite(LEDR,LOW);
-    digitalWrite(LEDG,HIGH);
-    digitalWrite(LEDB,LOW);
-    //Serial.println("G");
-  }
-  else if(statusLED=='B')
-  {
-    digitalWrite(LEDR,LOW);
-    digitalWrite(LEDG,LOW);
-    digitalWrite(LEDB,HIGH);
-    //Serial.println("B");
-  }
-  else
-  {
-    digitalWrite(LEDR,LOW);
-    digitalWrite(LEDG,LOW);
-    digitalWrite(LEDB,LOW);
-  }
-  */
-}
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-int setDAC_LED()
-{  
-  int LED_flags[]={0,0,0,0};
-  int flags_combined=0;
-  if(appmode==0)
-  {
-    Serial.println("#DAC Sweep Start");  
-  }  
-  all_LEDs_turnoff();
-  delay(1000);
-  ////////////////////////////////////////FIRST FORLOOP TO DISCARD STARTS/////////////////////////////////////////////////
-  for (int i=3000;i<4096;i+=incr)
-  {
-    setOutput(GAIN_1, i, 1);
-    delay(del);
-    int16_t val_0 = ADS.readADC(0);    
-    if((val_0>24000))
-    {
-      break;
-    }
-  }
-  all_LEDs_turnoff();
-  delay(1000);
-  ////////////////////////////////////////FIRST FORLOOP TO DISCARD ENDS/////////////////////////////////////////////////  
-  for (int j=0;j<4;j++)
-  {
-    all_LEDs_turnoff();
-    secondary_gain_select(DacSweep_gain_combinations[j]);
-    for (int i=DAC_Sweep_start_limit[j];i<DAC_Sweep_end_limit[j];i+=incr)
-    {
-      setOutput(GAIN_1, i, j+1);
-      delay(del);
-      int16_t val_0 = ADS.readADC(0);   
-      if((val_0>LED_DS_threshold[j])&&(LED_flags[j]==0))
-      {
-        LED_dac[j]=i;
-        LED_flags[j]=1;
-        break;
-      }
-    } 
-    all_LEDs_turnoff();
-    if (appmode==0)
-    {
-      Serial.print("LED ");Serial.print(j+1);Serial.print(" DACsweep Completed");Serial.print("\t");Serial.print("NEW DAC VALUE : ");Serial.println(LED_dac[j]);
-    }
-    delay(1000);   
-  }
-  all_LEDs_turnoff();
-  flags_combined=(LED_flags[3]*1)+(LED_flags[2]*10)+(LED_flags[1]*100)+(LED_flags[0]*1000);
-  if(appmode==0)
-  {
-    Serial.println("#DAC Sweep End");  
-  }  
-  return flags_combined;    
-}
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-void eeprom_DAC_write()
-{
-  int led_dac_split[]= {0,0,0,0,0,0,0,0};
-  Serial.println("#WS"); 
-  led_dac_split[0] = LED_dac[0]/100;
-  led_dac_split[1] = LED_dac[0]-(led_dac_split[0]*100);
-  led_dac_split[2] = LED_dac[1]/100;
-  led_dac_split[3] = LED_dac[1]-(led_dac_split[2]*100);
-  led_dac_split[4] = LED_dac[2]/100;
-  led_dac_split[5] = LED_dac[2]-(led_dac_split[4]*100);
-  led_dac_split[6] = LED_dac[3]/100;
-  led_dac_split[7] = LED_dac[3]-(led_dac_split[6]*100);
-  if(appmode==0)
-  {
-    Serial.print(led_dac_split[0]);Serial.print("\t");Serial.println(led_dac_split[1]);
-    Serial.print(led_dac_split[2]);Serial.print("\t");Serial.println(led_dac_split[3]);
-    Serial.print(led_dac_split[4]);Serial.print("\t");Serial.println(led_dac_split[5]);
-    Serial.print(led_dac_split[6]);Serial.print("\t");Serial.println(led_dac_split[7]);
-  }   
-  for (int i=0;i<8; i++)
-  {
-    EEPROM.write(i, led_dac_split[i]);
-  }  
-  Serial.println("#WC"); 
-}
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-void eeprom_DAC_read()
-{
-  int led_dac_split[]= {0,0,0,0,0,0,0,0};
-  Serial.println("#RS"); 
-  for(int i=0;i<8;i++)
-  {
-    led_dac_split[i] = EEPROM.read(i);
-  }
-  for(int i=0;i<4;i++)
-  {
-    LED_dac[i] = (led_dac_split[i*2]*100)+led_dac_split[(i*2)+1];
-  }
-  if(appmode==0)
-  {
-    Serial.print(led_dac_split[0]);Serial.print("\t");Serial.println(led_dac_split[1]);
-    Serial.print(led_dac_split[2]);Serial.print("\t");Serial.println(led_dac_split[3]);
-    Serial.print(led_dac_split[4]);Serial.print("\t");Serial.println(led_dac_split[5]);
-    Serial.print(led_dac_split[6]);Serial.print("\t");Serial.println(led_dac_split[7]);
-    Serial.print(LED_dac[0]);Serial.print("\t");Serial.print(LED_dac[1]);Serial.print("\t");Serial.print(LED_dac[2]);Serial.print("\t");Serial.println(LED_dac[3]);
-  }
-  Serial.println("#RC");     
-}
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-void LED_warmup(int warmup_time)
-{
-  int warmup_start=millis();
-  int current_time=millis();
-  while((current_time-warmup_start)<warmup_time)
-  {
-    setOutput(GAIN_1, led_warmup_DAC[0], 1);
-    setOutput(GAIN_1, led_warmup_DAC[1], 2);
-    setOutput(GAIN_1, led_warmup_DAC[2], 3);
-    setOutput(GAIN_1, led_warmup_DAC[3], 4);
-    current_time=millis();
-  }  
-  all_LEDs_turnoff();
-}
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-float ten_ADC_averager(int detector_select, int reading_delay)
-{
-  long temp_storage=0;
-  float temp_average_storage=0;
-  for (int i=0;i<10;i++)
-  {
-    delay(reading_delay);
-    int16_t val_0 = ADS.readADC(detector_select-1);
-    if(raw_ADC_print==1)
-    {
-      Serial.println(val_0);      
-    }
-    temp_storage+=val_0;
-  }
-  temp_average_storage=temp_storage/10;
-  return temp_average_storage;
-}
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-float detector(int number_of_readings, int detector_select, int gain_combo, int settling_time, int reading_delay)
-{
-  if((appmode==0)&&(timestamp_printer==1))
-  {
-    Serial.print("Process: Detector Start for any one LED; Timestamp: ");Serial.println(millis());
-  }
-  secondary_gain_select(gain_combo);
-  temp_counter = 0;
-  intensity_storage = 0;
-  int16_t detector_val = 0;
-  int start_time=millis();
-  int current_time=millis();
-  int lower_limit=0;
-  int upper_limit=0;
-  //limit_average_storage=0;
-  while((current_time-start_time)<settling_time)
-  {
-    int16_t val_0 = ADS.readADC(detector_select-1);
-    if(raw_ADC_print==1)
-    {
-      Serial.println(val_0);
-    }
-    current_time=millis();
-  }
-  for (int i=0;i<(number_of_readings/10);i++)
-  {      
-    intensity_storage+=ten_ADC_averager(detector_select, reading_delay);
-    temp_counter++;
-  }
-  all_LEDs_turnoff();
-  average_readings = intensity_storage/temp_counter;
-  if(appmode==0)
-  {
-    if (timestamp_printer==1)
-    {
-      Serial.print("Process: Detector Start for any one LED; Timestamp: ");Serial.println(millis());
-    }    
-  }
-  return average_readings;
-}
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-int limit_switch_check()
-{
-  int switch_state = digitalRead(Limit_Switch);
-  return switch_state;
-}
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-void loop()                                                                         
-{
-  ADS.setGain(0);
-  all_LEDs_turnoff();
-  avg_storage = 0;
-  split_counter = 0;
-  if(initialRGBstate==0)
-  {
-    indicator_LED('R');
-    initialRGBstate=1;
-  }  
-  if (Serial.available()) 
-  {
-    char data = Serial.read();
-    if ((data == 'C')||(data == 'D'))
-    {
-      if(data == 'C')
-      {
-        Serial.println("#CS");
-        int flags=setDAC_LED();
-        if(flags!=1111)
-        {
-          if(appmode==0)
-          {
-            Serial.println("Unable to reach MAX ADC Limit for atleast one LED");
-          }        
-        }
-        Serial.print("LED1_DAC: ");Serial.println(LED_dac[0]);
-        Serial.print("LED2_DAC: ");Serial.println(LED_dac[1]);
-        Serial.print("LED3_DAC: ");Serial.println(LED_dac[2]);
-        Serial.print("LED4_DAC: ");Serial.println(LED_dac[3]);
-        Serial.println("#CC");
-        buzzer(1);
-      }
-      else if(data == 'D') 
-      {
-        startTask3(); 
-        buzzer(1);       
-      }      
-    }
-    else if (data == 'B') 
-    {
-      indicator_LED('G');
-      startTask1();
-      indicator_LED('B');
-      buzzer(1);
-    }
-    else if ((data == 'S')||(data == 'T')||(data == 'U')||(data == 'V')||(data == 'W')) 
-    {
-      indicator_LED('G');
-      if(data == 'S')
-      {
-        startTask2(1);
-      }
-      else if(data == 'T')
-      {
-        startTask2(2);
-      }
-      else if(data == 'U')
-      {
-        startTask2(3);
-      }
-      else if(data == 'V')
-      {
-        startTask2(4);
-      }
-      else if(data == 'W')
-      {
-        startTask2(5);
-      }
-      indicator_LED('R');
-      buzzer(1);
-    }
-    else if (data == 'O')
-    {
-      startTask4();
-      buzzer(1);
-    }
-    else if ((data == 'I')||(data == 'F')||(data == 'X'))
-    {      
-      if(data == 'I')
-      {
-        Serial.println(Device_ID);
-      }
-      else if (data == 'F')
-      {
-        int location=0;
-        for (int i=0;i<Firmware_location_Auto.length();i++)
-        {
-          if(Firmware_location_Auto[i]=='\\')
-          {
-            location=i;
-          }
-        }
-        Firmware_version_Auto.remove(0,location+1);
-        if (appmode==0)
-        {
-          Serial.print("Firmware Location: ");Serial.println(Firmware_location_Auto);
-        }        
-        Serial.print("Firmware Version: ");Serial.println(Firmware_version_Auto);
-        Serial.print("Date and Time of Firmware Upload : ");Serial.println(compile_date);
-      }      
-      else if (data =='X')
-      {
-        Serial.println(F("Command 'C' will do : Slow DAC sweep, stop the sweep once required ADC is reached, update DAC value"));
-        Serial.println(F("Command 'D' will do : Fast DAC sweep, will sweep from 0 to 4096, prints ADC values"));
-        Serial.println(F("Command 'B' will do : Blank readings"));
-        Serial.println(F("Command 'S/T/U/V/W' will do : Sample readings with pre-defined secondary gain"));
-        Serial.println(F("Command 'O' will do : Blank readings without turning on the LED"));
-        Serial.println(F("Command 'I' will do : Print Device Serial No."));
-        Serial.println(F("Command 'F' will do : Print the firmware version and upload date and time"));
-        Serial.println(F("Command 'X' will do : Print all available commands"));
-        Serial.println(F("Command 'Y' will do : LED warmup for 5 seconds"));
-        Serial.println(F("Command 'G' will do : Write DAC values temporarily set into permanent EEPROM"));
-        Serial.println(F("Command 'E' will do : Read EEPROM stored DAC values and store in temporary memory"));
-        Serial.println(F("Command 'P' will do : Print all ADC values (blank and sample)"));
-        Serial.println(F("Command 'R' will do : Print DAC values stored in temporary memory"));
-        Serial.println(F("Command 'L' will do : Print the status of the limit switch"));
-        Serial.println(F("Command '1/2/3/4' will do : Turen ON LED 1/2/3/4 if pressed ODD number of times, Turen OFF LED 1/2/3/4 if pressed EVEN number of times"));
-      }
-    }    
-    else if (data == 'Y')
-    {
-      Serial.println("#HS");
-      LED_warmup(5000);
-      Serial.println("#HC");
-    }
-    else if ((data == 'G')||(data == 'E'))
-    {
-      if(data == 'G')
-      {
-        eeprom_DAC_write();
-      }
-      else if(data == 'E')
-      {
-        eeprom_DAC_read();
-      }      
-    }
-    else if ((data == 'P')||(data == 'R'))
-    { 
-      if(data == 'P')
-      {
-        Serial.print("RESULT"); Serial.println(" "); 
-        Serial.print("LB1 "); Serial.println(avg_blank[0]); Serial.print("LB2 "); Serial.println(avg_blank[1]);
-        Serial.print("LB3 "); Serial.println(avg_blank[2]); Serial.print("LB4 "); Serial.println(avg_blank[3]);
-        Serial.print("LS1 "); Serial.println(avg_sample[0]); Serial.print("LS2 "); Serial.println(avg_sample[1]); 
-        Serial.print("LS3 "); Serial.println(avg_sample[2]); Serial.print("LS4 "); Serial.println(avg_sample[3]);  
-        Serial.println("REND");
-        delay(100);
-      }
-      else if (data == 'R')
-      {
-        Serial.println("#RS");
-        int dac_print=0;
-        for (int i=0;i<4;i++)
-        {
-          Serial.print("LED");Serial.print(i+1);Serial.print(" DAC : ");Serial.println(LED_dac[i]);
-        }
-        Serial.println("#RC");
-      }
-    }
-    else if (data == 'L')
-    {
-      int switch_state = digitalRead(Limit_Switch);
-      if (switch_state == LOW)
-      {
-        Serial.println("#CIN");
-      }
-      else
-      {
-        Serial.println("#AIN");
-      }
-    }
-    else if ((data == '1')||(data == '2')||(data == '3')||(data == '4'))
-    {
-      int LED_ID = data-'0';
-      if(LED_on_status[LED_ID-1]==0)
-      {
-        setOutput(GAIN_1, LED_dac[LED_ID-1], LED_ID);
-        LED_on_status[LED_ID-1]=1;
-        Serial.print("LED ");Serial.print(LED_ID);Serial.println(" ON");
-      }
-      else
-      {
-        setOutput(GAIN_1, 0, LED_ID);
-        LED_on_status[LED_ID-1]=0;
-        Serial.print("LED ");Serial.print(LED_ID);Serial.println(" OFF");
-      }
-    }
-  }    
-}
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-void startTask1() 
-{
-  if((appmode==0)&&(timestamp_printer==1))
-  {
-    Serial.print("Process: Buffer start; Timestamp: ");Serial.println(millis());
-  }
-  all_LEDs_turnoff();
-  delay(100);
-  all_LEDs_turnoff();
-  Serial.println("#BS");
-  for (int i=0;i<4;i++)
-  {
-    setOutput(GAIN_1, LED_dac[i], LED_sequence[i]);
-    delay(100);
-    avg_blank[i] = detector(LED_sample_size[LED_sequence[i]-1], Detector_sequence[LED_sequence[i]-1], Blank_gain_combinations[LED_sequence[i]-1], LED_settling_time[LED_sequence[i]-1], ADC_reading_delay[LED_sequence[i]-1]);
-    all_LEDs_turnoff();
-    delay(1000);
-  }
-  if (appmode==0)
-  {
-    Serial.print(millis());Serial.print("\t");Serial.print("LED1B : "); Serial.print(avg_blank[0]); Serial.print("\t"); Serial.print("LED2B : "); Serial.print(avg_blank[1]); Serial.print("\t"); Serial.print("LED3B : "); Serial.print(avg_blank[2]); Serial.print("\t"); Serial.print("LED4B : "); Serial.println(avg_blank[3]);
-  }
-  Serial.println("#BC");
-  if((appmode==0)&&(timestamp_printer==1))
-  {
-    Serial.print("Process: Buffer end; Timestamp: ");Serial.println(millis());
-  }
-}
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-void startTask2(int selector) 
-{
-  if((appmode==0)&&(timestamp_printer==1))
-  {
-    Serial.print("Process: Sample start; Timestamp: ");Serial.println(millis());
-  }
-  all_LEDs_turnoff();
-  delay(100);
-  all_LEDs_turnoff();
-  Serial.print("#SS");Serial.println(selector);
-  for (int i=0;i<4;i++)
-  {
-    setOutput(GAIN_1, LED_dac[i], LED_sequence[i]);
-    delay(100);
-    avg_sample[i] = detector(LED_sample_size[LED_sequence[i]-1], Detector_sequence[LED_sequence[i]-1], Sample_gain_combinations[selector-1][LED_sequence[i]-1],LED_settling_time[LED_sequence[i]-1], ADC_reading_delay[LED_sequence[i]-1]);
-    all_LEDs_turnoff();
-    delay(1000);
-  }
-  if (appmode==0)
-  {
-    Serial.print(millis());Serial.print("\t");Serial.print("LED1S : "); Serial.print(avg_sample[0]); Serial.print("\t"); Serial.print("LED2S : "); Serial.print(avg_sample[1]); Serial.print("\t"); Serial.print("LED3S : "); Serial.print(avg_sample[2]); Serial.print("\t"); Serial.print("LED4S : "); Serial.println(avg_sample[3]);
-  }
-  Serial.print("#SC");Serial.println(selector);
-  if((appmode==0)&&(timestamp_printer==1))
-  {
-    Serial.print("Process: Sample end; Timestamp: ");Serial.println(millis());
-  }
-}
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-void startTask3() 
-{
-  if((appmode==0)&&(timestamp_printer==1))
-  {
-    Serial.print("Process: Diagnostics start; Timestamp: ");Serial.println(millis());
-  }
-  int16_t val_0 =0;
-  int reading_increment=128;
-  int lowerlimit_dac=0;
-  int upperlimit_dac=0;
-  all_LEDs_turnoff();
-  Serial.println("#DS");
-  
-  for (int j=0;j<4;j++)
-  {
-    all_LEDs_turnoff();
-    int start_time=millis();
-    int current_time=millis();
-    while (((current_time-start_time)<(detector_settling_time*2)))
-    {
-      val_0 = ADS.readADC((Detector_sequence[LED_sequence[j]-1])-1); 
-      current_time=millis();      
-    }
-    if((val_0 > 10)&&(appmode==0))
-    {
-      Serial.println("Error: stray light interference or LED partly ON ");
-    }
-    int flag=0;    
-    secondary_gain_select(DacSweep_gain_combinations[j]);
-    for (int i = 0; i <=4096; i+= reading_increment)
-    {
-      setOutput(GAIN_1, i, j+1);
-      int start_time=millis();
-      int current_time=millis();
-      while ((current_time-start_time)<detector_settling_time_DACsweep)
-      {
-        val_0 = ADS.readADC((Detector_sequence[LED_sequence[j]-1])-1); 
-        current_time=millis();
-      }           
-      if((val_0>LED_DS_threshold[LED_sequence[j]-1])&&(flag==0))
-      {
-        lowerlimit_dac= i-(reading_increment*2);
-        upperlimit_dac= i+(reading_increment*2);
-        if (lowerlimit_dac<0)
-        {
-          lowerlimit_dac=0;
-        }
-        if(upperlimit_dac>4095)
-        {
-          upperlimit_dac=4095;
-        }
-        DAC_lower_limit[j]=lowerlimit_dac;
-        DAC_upper_limit[j]=upperlimit_dac;
-        flag=1;
-      }
-      Serial.print("LED:");Serial.print(j+1);Serial.print("__DAC:");Serial.print(i);Serial.print("__ADC:");Serial.println(val_0);      
-    }
-    if (appmode==0)
-    {
-      Serial.print("LED:");Serial.print(j+1);Serial.print("__DAC LOWER LIMIT:");Serial.println(DAC_lower_limit[j]);  
-      Serial.print("LED:");Serial.print(j+1);Serial.print("__DAC UPPER LIMIT:");Serial.println(DAC_upper_limit[j]);  
-    }
-    secondary_gain_select(0);    
-    all_LEDs_turnoff();
-  }
-  Serial.println("#DC");
-  all_LEDs_turnoff();
-  delay(1000);
-  if((appmode==0)&&(timestamp_printer==1))
-  {
-    Serial.print("Process: Diagnostics end; Timestamp: ");Serial.println(millis());
-  }
-}
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-void startTask4() 
-{
-  if((appmode==0)&&(timestamp_printer==1))
-  {
-    Serial.print("Process: Buffer start; Timestamp: ");Serial.println(millis());
-  }
-  all_LEDs_turnoff();
-  delay(100);
-  all_LEDs_turnoff();
-  Serial.println("#BS");
-  for (int i=0;i<4;i++)
-  {
-    setOutput(GAIN_1, 0, LED_sequence[i]);
-    delay(100);
-    avg_blank[i] = detector(LED_sample_size[LED_sequence[i]-1], Detector_sequence[LED_sequence[i]-1], Blank_gain_combinations[LED_sequence[i]-1], 2000, ADC_reading_delay[LED_sequence[i]-1]);
-    all_LEDs_turnoff();
-    delay(1000);
-  }
-  if (appmode==0)
-  {
-    Serial.print(millis());Serial.print("\t");Serial.print("LED1B : "); Serial.print(avg_blank[0]); Serial.print("\t"); Serial.print("LED2B : "); Serial.print(avg_blank[1]); Serial.print("\t"); Serial.print("LED3B : "); Serial.print(avg_blank[2]); Serial.print("\t"); Serial.print("LED4B : "); Serial.println(avg_blank[3]);
-  }
-  Serial.println("#BC");
-  if((appmode==0)&&(timestamp_printer==1))
-  {
-    Serial.print("Process: Buffer end; Timestamp: ");Serial.println(millis());
-  }
-}
-//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////