Use
Beep=!Beep;
instead of ~. Otherwise C converts bit Beep to integer, makes bit complement
and converts the result back to bit, what produces wrong result.
Ondrej
From: JIA Pei [mailto:jp4w...@gmail.com]
Sent: Saturday, June 08, 2013 5:45 PM
To: sdcc-user@lists.sourceforge.net
Subject: Re: [Sdcc-user] buzzer code is working properly on my board built from
Keil C51, but doesn't work at all if built from sdcc ...
Hi, Thank you Ma XiaoJun.
I tried
1)
#include <reg51.h>
sbit Beep = P1_5 ;
which is wrong
2)
#include <reg51.h>
sbit Beep;
....
Beep=~Beep;
which is wrong
3)
#include <reg51.h>
// sbit Beep = P1_5 ;
...
P1_5=~P1_5;
which is still wrong
I should say "thank you" to you, but your answer didn't give out a clear
solution.
Isn't there a way out to solve such problems in sdcc???
Cheers
On Sat, Jun 8, 2013 at 8:36 PM, Ma Xiaojun
<damage3...@gmail.com<mailto:damage3...@gmail.com>> wrote:
RTFM
The following line is invalid in SDCC. SDCC uses different syntax.
sbit Beep = P1^5 ;
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