[picsig] Odd LCD behaviour

[Andrew Rich]

Nope

send sss and get ss&
send aaa and get aa^


-----Original Message-----
From: J.P. Rouland [mailto:jprouland at comcast.net]
Sent: Friday, 28 January 2005 2:06 AM
To: vk4tec at tech-software.net; TAPR PIC Mailing List
Subject: Re: [picsig] Odd LCD behaviour


Out of the blue:
I think some LCD's have automatic leading zero suppression.
Time to go read the specs ( if you have them ): if it worked in the 
past, there may be a command to turn it on and off.
J.P. Rouland NQ6T

Andrew Rich wrote:
> Hi,
> 
> 4 bit LCD
> 
> If I send 0000.0 to the LCD I get 00-0.0
> If I send abcd.e to the LCD I get abcd.e
> If I send 0201.0 to the LCD I get 0201.0
> 
> Why would this send a "-" after a two zero pattern ?
> 
> It has me stumped
> 
> 0 is 48 dec = 0011 0000
> - is 45 dec = 0010 1101
> 
> I have had this working before no problems.
> 
> I have tried different PIC's - same problem.
> 
> 
> 
> 
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