/*
 * Project name:
     Lcd_Test (Demonstration of the LCD library routines)
 * Copyright:
     (c) Mikroelektronika, 2009.
 * Revision History:
     20080930:
       - initial release;
       - 20090818 - Slavisa Zlatanovic;
 * Description:
     This code demonstrates how the usage of the LCD 4-bit library. LCD is first
     initialized, then some text is written, then the text is moved.
 * Test configuration:
     MCU:             ATmega16
                      http://www.atmel.com/dyn/resources/prod_documents/doc2466.pdf
     Dev.Board:       EasyAVR6
                      http://www.mikroe.com/en/tools/easyavr6/
     Oscillator:      External Clock 08.0000 MHz
     Ext. Modules:    Character LCD 2x16
                      http://www.mikroe.com/en/tools/components/#other
     SW:              mikroC PRO for AVR
                      http://www.mikroe.com/en/compilers/mikroc/avr/
 * NOTES:
     - Turn on the LCD backlight on the EasyAVR6 board (SW10.7).
*/

// LCD module connections
sbit LCD_RS at PORTD.B2;
sbit LCD_EN at PORTD.B3;
sbit LCD_D4 at PORTD.B4;
sbit LCD_D5 at PORTD.B5;
sbit LCD_D6 at PORTD.B6;
sbit LCD_D7 at PORTD.B7;

sbit LCD_RS_Direction at DDRD.B2;
sbit LCD_EN_Direction at DDRD.B3;
sbit LCD_D4_Direction at DDRD.B4;
sbit LCD_D5_Direction at DDRD.B5;
sbit LCD_D6_Direction at DDRD.B6;
sbit LCD_D7_Direction at DDRD.B7;
// End LCD module connections

char txt1[] = "mikroElektronika";
char txt2[] = "EasyAVR6";
char txt3[] = "Lcd4bit";
char txt4[] = "example";

char i;                              // Loop variable

void Move_Delay() {                  // Function used for text moving
  Delay_ms(500);                     // You can change the moving speed here
}

void main(){
  Lcd_Init();                        // Initialize LCD
  Lcd_Cmd(_LCD_CLEAR);               // Clear display
  Lcd_Cmd(_LCD_CURSOR_OFF);          // Cursor off

  Lcd_Out(1,6,txt3);                 // Write text in first row
  Lcd_Out(2,6,txt4);                 // Write text in second row
  Delay_ms(2000);
  Lcd_Cmd(_LCD_CLEAR);               // Clear display

  Lcd_Out(1,1,txt1);                 // Write text in first row
  Lcd_Out(2,4,txt2);                 // Write text in second row
  Delay_ms(2000);

  // Moving text
  for(i=0; i<4; i++) {               // Move text to the right 4 times
    Lcd_Cmd(_LCD_SHIFT_RIGHT);
    Move_Delay();
  }

  while(1) {                         // Endless loop
    for(i=0; i<7; i++) {             // Move text to the left 7 times
      Lcd_Cmd(_LCD_SHIFT_LEFT);
      Move_Delay();
    }

    for(i=0; i<7; i++) {             // Move text to the right 7 times
      Lcd_Cmd(_LCD_SHIFT_RIGHT);
      Move_Delay();
    }

  }
}