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DE2_115_PROG / software / qsys_tutorial_lcd4 / LCD.c
@takayun takayun on 16 Dec 2016 1 KB refactor
#include <unistd.h>
#include <string.h>
#include <io.h>
#include "system.h"
#include "LCD.h"
//-------------------------------------------------------------------------
void LCD_Init()
{
  lcd_write_cmd(LCD_16207_0_BASE,0x38);
  usleep(2000);
  lcd_write_cmd(LCD_16207_0_BASE,0x0C);
  usleep(2000);
  lcd_write_cmd(LCD_16207_0_BASE,0x01);
  usleep(2000);
  lcd_write_cmd(LCD_16207_0_BASE,0x06);
  usleep(2000);
  lcd_write_cmd(LCD_16207_0_BASE,0x80);
  usleep(2000);
}
//-------------------------------------------------------------------------
void LCD_Show_Text(const char* Text)
{
  int i;
  for(i=0;i<strlen(Text);i++)
  {
    lcd_write_data(LCD_16207_0_BASE,Text[i]);
    usleep(2000);
  }
}
//-------------------------------------------------------------------------
void LCD_Line2()
{
  lcd_write_cmd(LCD_16207_0_BASE,0xC0);
  usleep(2000);
}
//-------------------------------------------------------------------------
void LCD_Test()
{
  char Text1[16] = "<NIOS II on UP4>";
  char Text2[16] = "Nice to See You!";
  //  Initial LCD
  LCD_Init();
  //  Show Text to LCD
  LCD_Show_Text(Text1);
  //  Change Line2
  LCD_Line2();
  //  Show Text to LCD
  LCD_Show_Text(Text2);
}
//-------------------------------------------------------------------------