Sunday, March 30, 2014

Chapter 4 : ADC Programming

Example of Circuit
 
 
Exercise 1 :
 
//ExerciseADC1:Display Voltage Percentage and Temperature
#include <18f4550.h> //Header File
#fuses HS, NOWDT, NOLVP, NOPROTECT //Hardware Configuration
#device ADC=10 //Select 10 bit resolution
#use delay(clock=20M)
#include <lcd.c> //Driver for LCD
//Pin Definitions for LCD
#define   LCD_ENABLE_PIN   PIN_D0
#define   LCD_RS_PIN       PIN_D1
#define   LCD_RW_PIN       PIN_D2
#define   LCD_DATA4        PIN_D4
#define   LCD_DATA5        PIN_D5
#define   LCD_DATA6        PIN_D6
#define   LCD_DATA7        PIN_D7
//Main Function
void main(){
   //Variable declaration
   int32 value1, voltage, value2, temp, percent;
   //initialize LCD
   lcd_init();
   //ADC configuration
   setup_ADC(ADC_CLOCK_INTERNAL);
   setup_ADC_ports(ALL_ANALOG);
   while(true){
      //Program Start Here
      //Voltage
      set_adc_channel(0);
      value1=read_adc(); //Read analog signal
      voltage=value1*5/(1024-1); //Calculate conversion
      //Percentage
      percent=value1*100/(1024-1); //Calculate conversion
      //Temperature Sensor LM35
      set_adc_channel(1);
      value2=read_adc(); //Read analog signal
      temp=value2*5*100/1023; //Conversion
        
      //Display on LCD
      printf(lcd_putc,"\fVoltage = %dV",(int)voltage);
      printf(lcd_putc,"\nPercentage=%d%%",(int)percent);
      delay_ms(500);
      printf(lcd_putc,"\fSuhu=%.2f Degree",(float)temp);
      delay_ms(500);
   }
}
 
//**********************************************************
 
Exercise 2:
 
//ExerciseADC2: 3 LEDs will turn ON base on temperature
#include <18f4550.h>
#fuses HS,NOWDT,NOPROTECT,NOLVP
#device ADC=10
#use delay(clock=20M)
#include <lcd.c>
//Pin Definition
//Pin Definitions for LCD
#define   LCD_ENABLE_PIN   PIN_D0
#define   LCD_RS_PIN       PIN_D1
#define   LCD_RW_PIN       PIN_D2
#define   LCD_DATA4        PIN_D4
#define   LCD_DATA5        PIN_D5
#define   LCD_DATA6        PIN_D6
#define   LCD_DATA7        PIN_D7
 
//Pin Definition for LED
#define   RED      PIN_C0
#define   YELLOW   PIN_C1
#define   GREEN    PIN_C2

//Main Function
void main(){
   int32 value1, temperature;
  
   lcd_init();

   //Set PORT C as output
   set_tris_c(0x00);
   output_c(0x00); //Initialize PORT C
  
   //ADC configuration
      setup_ADC(ADC_CLOCK_INTERNAL);
      setup_ADC_ports(ALL_ANALOG);
   while(true){
      //Read Analog Signal
      set_adc_channel(1);
      value1=read_adc();
      temperature=value1*100*5/1023;
     
      if(temperature>=100){
  printf(lcd_putc,"\fSuhu Alert \n%.2f Celcius",(float)temperature);
         output_high(RED);
         output_low(YELLOW);
         output_low(GREEN);
         delay_ms(500);
      }
      else if(temperature<=95&&temperature>=25){
 printf(lcd_putc,"\fSuhu Normal \n%.2f Celcius",(float)temperature);
         output_low(RED);
         output_high(YELLOW);
         output_low(GREEN);
         delay_ms(500);  
      }
      else if(temperature<=20){
     printf(lcd_putc,"\fSuhu Low\n%.2f Celcius",(float)temperature);
         output_low(RED);
         output_low(YELLOW);
         output_high(GREEN);
         delay_ms(500);  
      }
   }
}

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

Exercise 3:

//ExerciseADC3 : Manipulating LCD for displaying ADC
#include <18f4550.h>
#fuses HS,NOWDT,NOPROTECT,NOLVP
#device ADC=10
#use delay(clock=20M)
#include <lcd.c>
//Pin Definition
//Pin Definitions for LCD
#define   LCD_ENABLE_PIN   PIN_D0
#define   LCD_RS_PIN       PIN_D1
#define   LCD_RW_PIN       PIN_D2
#define   LCD_DATA4        PIN_D4
#define   LCD_DATA5        PIN_D5
#define   LCD_DATA6        PIN_D6
#define   LCD_DATA7        PIN_D7
//Main Function
void main(){
   //Variable declaration
   int32 value1, voltage, value2, temp, percent;
   //initialize LCD
   lcd_init();
   //ADC configuration
   setup_ADC(ADC_CLOCK_INTERNAL);
   setup_ADC_ports(ALL_ANALOG);
   while(true){
      //Program Start Here
      //Voltage
      set_adc_channel(0);
      value1=read_adc(); //Read analog signal
      voltage=value1*5/(1024-1); //Calculate conversion
      //Percentage
      percent=value1*100/(1024-1); //Calculate conversion
      //Temperature Sensor LM35
      set_adc_channel(1);
      value2=read_adc(); //Read analog signal
      temp=value2*5*100/1023; //Conversion
        
      //Display on LCD
      printf(lcd_putc,"\fVoltage = %dV",(int)voltage);
      delay_ms(500);
      printf(lcd_putc,"\fSuhu=%.2f Degree",(float)temp);
      delay_ms(500);
   }
}

//**********************************************************
 
Exercise 4:
 

//ExerciseADC4: Controlling Motor via ADC
#include <18f4550.h>
#fuses HS,NOWDT,NOPROTECT,NOLVP
#device ADC=10
#use delay(clock=20M)
#include <lcd.c>

//Pin Definitions for LCD
#define   LCD_ENABLE_PIN   PIN_D0
#define   LCD_RS_PIN       PIN_D1
#define   LCD_RW_PIN       PIN_D2
#define   LCD_DATA4        PIN_D4
#define   LCD_DATA5        PIN_D5
#define   LCD_DATA6        PIN_D6
#define   LCD_DATA7        PIN_D7
//Pin Definition for LED
#define   Motor1_L      PIN_C4
#define   Motor1_R      PIN_C5
#define   Motor2_L      PIN_C6
#define   Motor2_R      PIN_C7

//Main Function
void main(){
   int32 value1, voltage;
  
   lcd_init();
   //Set PORT C as output
   set_tris_c(0x00);
   output_c(0x00); //Initialize PORT C
  
   //ADC configuration
      setup_ADC(ADC_CLOCK_INTERNAL);
      setup_ADC_ports(ALL_ANALOG);
   while(true){
      //Read Analog Signal
      set_adc_channel(0);
      value1=read_adc();
      voltage=value1*5/1023;
     
      if(voltage>=3){
         printf(lcd_putc,"\fVoltage \n%dV",(int)voltage);
         output_high(Motor1_L);
         output_low(Motor1_R);
         output_low(Motor2_L);
         output_low(Motor2_R);
         delay_ms(500);
      }
      else if(voltage<=2){
         printf(lcd_putc,"\fVoltage \n%dV",(int)voltage);
         output_low(Motor1_L);
         output_low(Motor1_R);
         output_high(Motor2_L);
         output_low(Motor2_R);
         delay_ms(500);  
      }
      else{
         printf(lcd_putc,"\fVoltage \n%dV",(int)voltage);
         output_low(Motor1_L);
         output_low(Motor1_R);
         output_low(Motor2_L);
         output_low(Motor2_R);
         delay_ms(500);  
      }
   }
}

//**********************************************************
 
Exercise 5:

//ExerciseADC5: Controlling LED bargraph
#include <18f4550.h>
#fuses HS,NOWDT,NOPROTECT,NOLVP
#device ADC=10
#use delay(clock=20M)
#include <lcd.c>
//Pin Definition
//Pin Definitions for LCD
#define   LCD_ENABLE_PIN   PIN_D0
#define   LCD_RS_PIN       PIN_D1
#define   LCD_RW_PIN       PIN_D2
#define   LCD_DATA4        PIN_D4
#define   LCD_DATA5        PIN_D5
#define   LCD_DATA6        PIN_D6
#define   LCD_DATA7        PIN_D7

//Main Function
void main(){
   int32 value1, voltage;
  
   lcd_init();

   //Set PORT B as output
   set_tris_b(0x00);
   output_b(0x00); //Initialize PORT C
  
   //ADC configuration
      setup_ADC(ADC_CLOCK_INTERNAL);
      setup_ADC_ports(ALL_ANALOG);
   while(true){
      //Read Analog Signal
      set_adc_channel(0);
      value1=read_adc();
      voltage=value1*5/1023;
   
   if(voltage==0){
         printf(lcd_putc,"\fVoltage \n%dV",(int)voltage);
         output_b(0);
         delay_ms(500);
      }
      else if(voltage==1){
         printf(lcd_putc,"\fVoltage \n%dV",(int)voltage);
         output_b(3);
         delay_ms(500);  
      }
      else if(voltage==2){
         printf(lcd_putc,"\fVoltage \n%dV",(int)voltage);
         output_b(15);
         delay_ms(500);  
      }
   else if(voltage==3){
         printf(lcd_putc,"\fVoltage \n%dV",(int)voltage);
         output_b(31);
         delay_ms(500);  
      }
   else if(voltage==4){
         printf(lcd_putc,"\fVoltage \n%dV",(int)voltage);
         output_b(63);
         delay_ms(500);  
      }
   else if(voltage==5){
         printf(lcd_putc,"\fVoltage \n%dV",(int)voltage);
         output_b(255);
         delay_ms(500);  
      }
   }
}



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Thursday, March 13, 2014

Chapter 3 : LCD Programming

LCD Circuit

//Exercise1LCD : Display “WELCOME”
#include <18f4550.h> //Header File
#fuses HS, NOWDT, NOLVP ,NOPROTECT
#use delay (clock=20M)
//Define LCD PIN
#define LCD_ENABLE_PIN  PIN_D0
#define LCD_RS_PIN      PIN_D1
#define LCD_RW_PIN      PIN_D2
#define LCD_DATA4       PIN_D4
#define LCD_DATA5       PIN_D5
#define LCD_DATA6       PIN_D6
#define LCD_DATA7       PIN_D7
 
//Include LCD Library
#include //Library LCD
 
//Main Function
Void main()
{
   lcd_init(); //Initialize LCD
  
   While(true)
   {
         Printf(lcd_putc,”\fWELCOME\nMY FRIEND”);
 
 
                      delay_ms(100);
 
     }
 
}
 
/**************************************************************/
 
 
//Exercise2LCD : Display “WELCOME” at correct coordinate
 
#include <18f4550.h>//Header File
#fuses HS, NOWDT, NOLVP ,NOPROTECT
#use delay (clock=20M)
 
//Define LCD PIN
#define LCD_ENABLE_PIN  PIN_D0
#define LCD_RS_PIN      PIN_D1
#define LCD_RW_PIN      PIN_D2
#define LCD_DATA4       PIN_D4
#define LCD_DATA5       PIN_D5
#define LCD_DATA6       PIN_D6
#define LCD_DATA7       PIN_D7
 
//Include LCD Library
#include //Library LCD
 
//Main Function
 
Void main()
{
     Lcd_init(); //Initialize LCD
    
     While(true)
     {
          Lcd_putc(“\f”); //Clear screen
          Lcd_gotoxy(3,1);
          Lcd_putc(“PRAY TO”);
          Lcd_gotoxy(5,2);
          Lcd_putc(“MH370”);
          Delay_ms(100);
 
 
     }
 
}
 
/**************************************************************/
 
//Exercise3LCD : Message blink
 
#include <18f4550.h>//Header File
#fuses HS, NOWDT, NOLVP ,NOPROTECT
#use delay (clock=20M)
 
//Define LCD PIN
#define LCD_ENABLE_PIN  PIN_D0
#define LCD_RS_PIN      PIN_D1
#define LCD_RW_PIN      PIN_D2
#define LCD_DATA4       PIN_D4
#define LCD_DATA5       PIN_D5
#define LCD_DATA6       PIN_D6
#define LCD_DATA7       PIN_D7
 
//Include LCD Library
#include //Library LCD
 
//Main Function
 
Void main()
{
     Int I;
     Lcd_init(); //Initialize LCD
    
     While(true)
     {
          For(i=0; i<=4; i++)
          {
             
              Lcd_putc(“\f”); //Clear screen
              Delay_ms(250);
              Lcd_gotoxy(3,1);
              Lcd_putc(“PRAY TO”);
              Lcd_gotoxy(5,2);
              Lcd_putc(“MH370”);
              Delay_ms(250);
          }
 
 
     }
 
}
 
/**************************************************************/
 
//Exercise4LCD : Scroll Message Left Right
 
#include <18f4550.h>//Header File
#fuses HS, NOWDT, NOLVP ,NOPROTECT
#use delay (clock=20M)
 
//Define LCD PIN
#define LCD_ENABLE_PIN  PIN_D0
#define LCD_RS_PIN      PIN_D1
#define LCD_RW_PIN      PIN_D2
#define LCD_DATA4       PIN_D4
#define LCD_DATA5       PIN_D5
#define LCD_DATA6       PIN_D6
#define LCD_DATA7       PIN_D7
 
//Include LCD Library
#include //Library LCD
 
//Main Function
 
Void main()
{
     Int I;
     Lcd_init(); //Initialize LCD
    
     While(true)
     {
          For(i=1; i<=2; i++)
          {
             
              Lcd_putc(“\f”); //Clear screen
              Lcd_gotoxy(i,1);
              Lcd_putc(“PRAY TO”);
              Lcd_gotoxy(16-i,2);
              Lcd_putc(“MH370”);
              Delay_ms(250);
          }
 
 
     }
 
}
 
/**************************************************************/
//Exercise5LCD : Scroll Message Up Down
 
#include <18f4550.h>//Header File
#fuses HS, NOWDT, NOLVP ,NOPROTECT
#use delay (clock=20M)
 
//Define LCD PIN
#define LCD_ENABLE_PIN  PIN_D0
#define LCD_RS_PIN      PIN_D1
#define LCD_RW_PIN      PIN_D2
#define LCD_DATA4       PIN_D4
#define LCD_DATA5       PIN_D5
#define LCD_DATA6       PIN_D6
#define LCD_DATA7       PIN_D7
 
//Include LCD Library
#include //Library LCD
 
//Main Function
 
Void main()
{
     Int I;
     Lcd_init(); //Initialize LCD
    
     While(true)
     {
          For(i=1; i<=2; i++)
          {
             
              Lcd_putc(“\f”); //Clear screen
              Lcd_gotoxy(5,i);
              Lcd_putc(“PRAY TO”);
              Lcd_gotoxy(5,i-1);
              Lcd_putc(“MH370”);
              Delay_ms(250);
          }
 
 
     }
 
}
 
/**************************************************************/
 
//Exercise4LCD : Button
 
#include <18f4550.h>//Header File
#fuses HS, NOWDT, NOLVP ,NOPROTECT
#use delay (clock=20M)
 
//Define LCD PIN
#define LCD_ENABLE_PIN  PIN_D0
#define LCD_RS_PIN      PIN_D1
#define LCD_RW_PIN      PIN_D2
#define LCD_DATA4       PIN_D4
#define LCD_DATA5       PIN_D5
#define LCD_DATA6       PIN_D6
#define LCD_DATA7       PIN_D7
#define BUTTON          PIN_B0
//Include LCD Library
#include //Library LCD
//Main Function 
Void main()
{
     Set_tris_b(0xff);
     Int I;
     Lcd_init(); //Initialize LCD 
     While(true)
     {
          If(input(BUTTON))
          {
              Lcd_putc(“\fNO BUTTON\nPRESSED”);
              Delay_ms(100);
          }
          Else
          {
               For(i=1; i<=16; i++)
               {
                   Lcd_putc(“\f”); //Clear screen
                   Lcd_gotoxy(i,1);
                   Lcd_putc(“PRAY TO”);
                   Lcd_gotoxy(16-i,2);
                   Lcd_putc(“MH370”);
                   Delay_ms(250);
              }
          }
          }
     }
} 
/**************************************************************/
 


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