DE2-70 LCD screen? Header not found? Where does altera eclipse put header files?

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It looks like the location where it is looking for may not be right. Try pointing to where the files are. For quartus 15:

C:\altera\15.0\ip\altera\university_program\audio_video\altera_up_avalon_character_lcd\HAL\inc

I'm not sure if that will work though. Good luck.

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I added the library with altera university program 9.1

for my directory have c:\altera\91\ip\altera\university_program\audio_video\altera_up_avalon_character_lcd\hal\inc

the code now sees the header file

but it keeps flipping out over the line

hLCD = alt_up_character_lcd_open_dev (DE270_LCD_NAME);

even if I comment it out. I have tried cleaning, rebuilding, restarting eclipse, restarting my computer but eclipse still hates the line

hLCD = alt_up_character_lcd_open_dev (DE270_LCD_NAME);

regardless if commented out or not idk y.

the project will not build either because of this mysterious problem

my code currently

# include <stdio.h># include "system.h"# include "C:\altera\91\ip\altera\university_program\Audio_Video\altera_up_avalon_character_lcd\HAL\inc\altera_up_avalon_character_lcd.h"# include "C:\altera\91\ip\altera\university_Program\Audio_Video\altera_up_avalon_character_lcd\HAL\inc\altera_up_avalon_character_lcd_regs.h"
int main ()
{
    alt_up_character_lcd_dev* hLCD;
  hLCD = alt_up_character_lcd_open_dev (DE270_LCD_NAME);
    if (hLCD == NULL)
    {
        printf ("Character LCD is missing\n");
        return (0);
    }
    else
    {
        printf ("Character LCD is OK\n");
        alt_up_character_lcd_init (hLCD);
    }
    int i = 0;
    char TopMsg  = "0123456789ABCDEF\0";
    char BtmMsg  = "   Hello class\0";
    while (1)
    {
        alt_up_character_lcd_init           (hLCD);
        alt_up_character_lcd_set_cursor_pos (hLCD, 0, 0);
        alt_up_character_lcd_string         (hLCD, TopMsg);
        for (i = 0; i < 15000000; i++);
        alt_up_character_lcd_init           (hLCD);
        alt_up_character_lcd_set_cursor_pos (hLCD, 0, 1);
        alt_up_character_lcd_string         (hLCD, BtmMsg);
        for (i = 0; i < 15000000; i++);
    }
    return (0);
}