Venugopal Pudur
Published © CC0

Simulation of SD Card Module in Proteus

I will be explaining how to read information using an SD card in proteus simulation software.

IntermediateProtip1 hour2,861

Things used in this project

Hardware components

Arduino UNO
Arduino UNO
×1

Story

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Schematics

Circuit Diagram

Code

Final Code for Simulation

C/C++
#include <SPI.h>
#include <SD.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <TimeLib.h>

#define TIME_HEADER  "T"   // Header tag for serial time sync message
#define TIME_REQUEST  7    // ASCII bell character requests a time sync message 

File myFile;
// initialize the library by associating any needed LCD interface pin
// with the arduino pin number it is connected to
//const int rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2;
//LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
LiquidCrystal_I2C lcd(0x20,16,2);



void digitalClockDisplay(){
  // digital clock display of the time
  lcd.print("Time ");
  lcd.print(hour());
  Serial.print(hour());
  printDigits(minute());
  printDigits(second());
  lcd.setCursor(0, 1);
  lcd.print("Date ");
  lcd.print(day());
  lcd.print("/");
  lcd.print(month());
  lcd.print("/");
  lcd.print(year()); 
   
  Serial.print(" ");
  Serial.print(day());
  Serial.print(" ");
  Serial.print(month());
  Serial.print(" ");
  Serial.print(year()); 
  Serial.println(); 
}

int printDigits(int digits){
  // utility function for digital clock display: prints preceding colon and leading 0
  lcd.print(":");
  if(digits < 10)
    lcd.print('0');
  lcd.print(digits);
   return digits;
}


void processSyncMessage() {
  unsigned long pctime;
  const unsigned long DEFAULT_TIME = 1357041600; // Jan 1 2013

  if(Serial.find(TIME_HEADER)) {
     pctime = Serial.parseInt();
     if( pctime >= DEFAULT_TIME) { // check the integer is a valid time (greater than Jan 1 2013)
       setTime(pctime); // Sync Arduino clock to the time received on the serial port
     }
  }
}

time_t requestSync()
{
  Serial.write(TIME_REQUEST);  
  return 0; // the time will be sent later in response to serial mesg
}




void setup() {
  lcd.init();
    lcd.init();
    lcd.backlight();
    Serial.begin(9600);
  // set up the LCD's number of columns and rows:
  if (!SD.begin(10)) {
    Serial.println("initialization failed!");
    return;
 }
 else{
  Serial.println("initialization Success!");
  }
         
  myFile = SD.open("group.txt", FILE_WRITE);

  // if the file opened okay, write to it:
  if (myFile) {
    myFile.print("Time");
    myFile.print(",");
    myFile.println("Temperature");
 
    // close the file:
    myFile.close();
   
     
}
    else {
        
        Serial.print("error");
    }
    
  
  while (!Serial) ; // Needed for Leonardo only
  pinMode(13, OUTPUT);
  setSyncProvider( requestSync);  //set function to call when sync required
  Serial.println("Waiting for sync message");
  lcd.print("Loading.....");
  
}

void loop() {
  if (Serial.available()) {
    processSyncMessage();
  }
  if (timeStatus()!= timeNotSet) {
    digitalClockDisplay();  
  }
 
  int  lm35_pin = A0;
float temperature = analogRead(lm35_pin);
temperature = (temperature*500)/1023;

 File data_file = SD.open("group.txt", FILE_WRITE);

  if (data_file) {   
  data_file.print(day());
  data_file.print("/");
  data_file.print(month());
  data_file.print("/");
  data_file.print(year()); 
  data_file.print(","); 
  data_file.print(hour()); 
   data_file.print(":");       
 // Serial.print(hour());
   int p= printDigits(minute());
   data_file.print(p);
   data_file.print(":");
   int m= printDigits(second());
   data_file.print(m);                     
   data_file.print(",");  
data_file.println(temperature);

    data_file.close();

  }
    else {
        Serial.print("error");
    }
    
  lcd.setCursor(0, 0);
}

Credits

Venugopal Pudur

Venugopal Pudur

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