/*Lesson1-EX7 SIREN Program *******************
Program function: Outputs a siren sound
***************************************************************/
#include  <16F877A.h>
#use delay (clock = 4000000)
void main()
{
    Int8 step;

    while(TRUE) // Keep checking switch
    {
         while(!input(PIN_C0)) // Siren while switch ON
           {
               for(step = 0;step < 255;step ++ ) // Loop control
                   {
                        output_high(PIN_D0); // Sound sequence
                       delay_us(step);
                      output_low(PIN_D0);
                      delay_us(step);
                   }
          }
     }
}

//Lesson1-EX8 Program Blank
// Source Code Filename :
// Author/Date/Version :
// Program Description :
///////////////////////////////////////////////////////////////
#include <16F877A.h> 		// Specify PIC MCU
#use 					// Include library routines

void main() 				// Start main block
{
int 				// Declare global variables
while(1) 			// Start control loop
{
//Lesson1-EX8 Program Blank
// Source Code Filename :
// Author/Date/Version :
// Program Description :
///////////////////////////////////////////////////////////////
#include <16F877A.h> 		// Specify PIC MCU
#use 					// Include library routines

void main() 				// Start main block
{
int 				// Declare global variables
while(1) 			// Start control loop
{
// Program statements
}
}

// Program statements
}
}

#include <16f877A.h>
#use delay (clock = 20000000) 
#include <lcd.c>

void main()
{
   int i=0;
   
   lcd_init();
   Delay_ms(100);
  
   while(TRUE)
   {
     lcd_putc('\f'); //Clear Display
     lcd_putc("Hello World");
     Delay_ms(2000);
     lcd_putc('\f'); //Clear Display
     lcd_putc("Welcome To");
     lcd_gotoxy(1,2);
     lcd_putc("LCD Library");
     Delay_ms(2000);
     lcd_putc('\f');
     printf(lcd_putc,"Count = %d", i);
     Delay_ms(2000);
     i++;
   }
}

/LCD Module Connections  
#define LCD_RS_PIN      PIN_D1                                   
#define LCD_RW_PIN      PIN_D2 
#define LCD_ENABLE_PIN  PIN_D3 
#define LCD_DATA4       PIN_D4                                    
#define LCD_DATA5       PIN_D5                                    
#define LCD_DATA6       PIN_D6                           
#define LCD_DATA7       PIN_D7
//End LCD Module Connections

#include <16f877a.h>
#use delay (clock = 20000000) 
#include <lcd.c>



void main()
{
   int i=0;
   
   lcd_init();
   Delay_ms(100);
  
   while(TRUE)
   {
     lcd_putc('\f'); //Clear Display
     lcd_putc("Hello World");
     Delay_ms(2000);
     lcd_putc('\f'); //Clear Display
     lcd_putc("Welcome To");
     lcd_gotoxy(1,2);
     lcd_putc("LCD Library");
     Delay_ms(2000);
     lcd_putc('\f');
     printf(lcd_putc,"Count = %d", i);
     Delay_ms(2000);
     i++;
   }
}

/*LCD Module Connections  
#define LCD_RS_PIN      PIN_D1                                   
#define LCD_RW_PIN      PIN_D2 
#define LCD_ENABLE_PIN  PIN_D3 
#define LCD_DATA4       PIN_D4                                    
#define LCD_DATA5       PIN_D5                                    
#define LCD_DATA6       PIN_D6                           
#define LCD_DATA7       PIN_D7
//End LCD Module Connections*/

#define use_portb_lcd TRUE

#include <16f877a.h>
#use delay (clock = 20000000) 
#include <lcd.c>
 



void main()
{
   int i=0;
   
   lcd_init();
   Delay_ms(100);
  
   while(TRUE)
   {
     lcd_putc('\f'); //Clear Display
     lcd_putc("Hello World");
     Delay_ms(2000);
     lcd_putc('\f'); //Clear Display
     lcd_putc("Welcome To");
     lcd_gotoxy(1,2);
     lcd_putc("LCD Library");
     Delay_ms(2000);
     lcd_putc('\f');
     printf(lcd_putc,"Count = %d", i);
     Delay_ms(2000);
     i++;
   }
}

//LCD Module Connections
//#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
//End LCD Module Connections

#include <16f877a.h>
#use delay (clock = 20000000) 
#include <lcd.c>


void main () // main function
   {
   int HOUR=0, MINUTE = 0, SECOND = 0;
   lcd_init();
   while (TRUE) // to repeat block. Infinite loop.
     {
     SECOND ++;
     if (SECOND> 59 || input (PIN_B0))
        {
        SECOND = 0;
        MINUTE ++;
        }
     if (MINUTE> 59 || input (PIN_B1))
        {
        MINUTE = 0;
        HOUR ++;
        }
     if (HOUR> 23) HOUR = 0;
     printf (lcd_putc, "\f%02u:%02u:%02u", HOUR, MINUTE, SECOND);
     delay_ms (1000);
     }
   }

//LCD Module Connections  
#define LCD_RS_PIN      PIN_B1                                   
#define LCD_RW_PIN      PIN_B2 
#define LCD_ENABLE_PIN  PIN_B0 
#define LCD_DATA4       PIN_B4                                    
#define LCD_DATA5       PIN_B5                                    
#define LCD_DATA6       PIN_B6                           
#define LCD_DATA7       PIN_B7
//End LCD Module Connections

#include <16f877.h> // identifies target microcontroller
#use delay (clock = 4000000) // sets crystal to 4Mhz. For other values, change and recompile.
#include <lcd.c> // 

void main () // main function
  {
  long ACCOUNT = 0; //Declare variable ACCOUNT,16-bit,initializing it with zeros.
  
  lcd_init();
  Delay_ms(100);
  
  while (true) // to repeat block. Infinite loop.
    {
    if (input(PIN_D0)) // if D0 is pulsed (high)
          {
           ACCOUNT ++; // Increment variable by one
          }
          
    if (input(PIN_D1)) // if D1 is pulsed
       {
        ACCOUNT --; // Variable decreases by one
       }
       
    printf (lcd_putc, "\f COUNTER :%lu", ACCOUNT); // Display text and variable on the LCD
    delay_ms (1000);
    }
  }

#include <16f877.h> // identifies target microcontroller
#use delay (clock = 4000000) // <- sets crystal to 4Mhz. For other values, change and recompile.
#define use_portb_lcd TRUE
#include <lcd.c>

void lcd_shift_left()
    {
    lcd_send_byte(0,0x18);
    }
    
void lcd_shift_right()
    {
    lcd_send_byte(0,0x1C);
    }

void main () // main function
  {
  lcd_init();
  Delay_ms(100);

    while (true) // to repeat block. Infinite loop.
    {
    
    if (input (PIN_D0)) // if key D0 pressed
      {
      lcd_putc ("\f ROLL TEXT LEFT \n PIC PROJECTS");
      
            while (input (PIN_D0)) // while holding down key
            {
               delay_ms (250);
               lcd_shift_left (); // Rotate left
            }
      }
    
    if (input (PIN_D1)) // if key D1 pressed
      {
         lcd_putc ("\f ROLL TEXT RIGHT \n PIC PROJECT");
            while (input (PIN_D1)) // while holding down key
            {
               delay_ms (250);
               lcd_shift_right (); // Rotate right
            }
      }
      
    lcd_putc ("\f PIC PROJECTS");
    lcd_putc ("\n TEST OF LCD");
    delay_ms (1000);
    }
  }

/* PIC16F877A interface to 3x4 Keypad and 16x2 LCD */
#include <16f877a.h> 
#use delay(clock=4000000)
#define use_portb_lcd TRUE
#include <lcd.c> 
#include <kbd.c> 

void main() 
{ 
   char k=0;                     // Character k to store keypad input
   
   /* Peripherals Configurations */ 
   lcd_init();                   // Turn LCD ON, along with other initialization commands
   kbd_init();                   // Initialize Keypad 
    
   lcd_gotoxy(1,1);              // point LCD cursor to col1 row1
   lcd_putc("Hello World !!");  // print on LCD 
   lcd_gotoxy(1,2);              // point LCD cursor to col1 row2

   while(TRUE) // infinite loop 
   { 
      k = kbd_getc();            // read keypad input (if exists) 
      if(k!=0)                   // if key captured 
      { 
         lcd_putc(k);            // print captured key to lcd
         k=0;                    // reset k for another loop round
         delay_ms(250);          // delay between key presses
      } 
  } 
}