Re: [Lcd4linux-devel] HD44780 stuff (F*CK! F*UCK! F*UCK! F*UCK!)

[Bill P. <goa...@ya...>]

re: the F*CK problem, glad to know you're human. ;)

>     snprintf (tmpbuffer, 2, "\%o", cu_vfd_brightness);
> What the heck is "\%o"? Is it octal? Why the backslash? What does the 
> resulting string look like? I suppose the backslash was a typo. 

ach yes backslash is a leftover. I was trying to pass the function
set along with the hd_write. Which didn't work. and octal is... whoops.

> It gets even more strange:
>     HD_write (0x03, tmpbuffer, 1, T_WRCG);
> If the abofe format string is correct, the brightness would be in the 
> second character. But you're sending only one byte (the backslash).
> 

That IS strange. Strange that it actually changes the brightness anyway.
It worked or I'd have spotted that (I hope, anyway). No clue why it works.

> But please double-check the code in 
> drv_HD44780.c Thanks!

Yep! It works like you knew it would. CLEAN too. Look at those sleek lines.
See what purpose crappy coding is for? It motivates real programmers. ;)

-BP

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