Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Problem with QUARTUS II 9.1 SOPC & NIOS II character LCD

hello everyone… I am attempting to get the Character LCD working with NIOS II control. According to the documentation if I have set it up correctly then a simple printf() statement will redirect t...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

What exactly does not work?

I would recommend the conventional aproach:

1.) such a small program should not give 89 warnings. please investigate or also post them here.

2.) use the debugger and see if it ever enters your printf, check what memory locations it writes to.

3.) if all of the above seem correct use an osciloscope to see whether you actually get signals at the LCD.