On 11/7/2011 5:00 PM, Jean-Paul wrote:
> [snip]
> Maybe I have not read all the code, but I don't see where (when) the address
> is written after "Foobar !", before "Hello".
>
> Jason, you could try:
>
> REG_SEL=0;
> lcd_command(0x80); // SET DD RAM ADDRESS
>
> (or send again the init instructions)
> in order to set "DDRAM Address" back to the beginning of the first line (0)
>
> before calling
> puts_lcd("~Hello")
Well, he said puts_lcd() only outputs the first character.
Now, assume "Foobar !" works and we are seeing '~' only and the
final LED blinking works. LCD is still auto-incrementing. I don't
think setting the DDRAM is useful, for now.
Try degrading the function. Loop a char variable to output ASCII
65-70 ("ABCDE") and verify that simple looping works. If looping
works, then it may be a pointer thingy...
--
Cheers,
Kein-Hong Man (esq.)
Kuala Lumpur, Malaysia
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