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Re: [AVR-Chat] OT: HD44780 LCD lock-up - busy flag stays set

2007-08-22 by Zack Widup

On Thu, 23 Aug 2007, Kathy Quinlan wrote:

> Mark Nowell wrote:
>> Kathy Quinlan wrote:
>>> I have had problems with Ampire displays and static, I found that by
>>> grounding the LCD Bezzle I could stop this problem.
>>>
>>>
>>>
>> Have had a quick go at this but no change - did you get the same
>> symptoms or did the static problem perhaps stop it working completely?
>>
>> Mark
>
> Thinking about it, it could have been a complete lockup as I do not
> monitor the busy flag, I use brute force (long delays)
>

I've done it both ways.  Both have seemed to work fine provided you have 
long enough delays programmed in before the next command.

I think all the devices I've used had the actual HD44780 in them. I've 
never had one of them lock up.

Zack

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