Issac,
     Yep, I did that after looking it up. Long Int is much better. It=20
allows numbers from -2.x billion to 2.x billion. I think that is big enough=
..
Thanks,
rich!

On 10/25/2015 6:10 AM, Isaac Marino Bavaresco wrote:
> Richard,
>
> Use a 'long' instead of a 'double'.
> The 'double' is a floating-point variable that requires a lot of library
> code to be linked for it to work, and can give you even more strange bugs=
..
>
> Cheers,
>
> Isaac
>
>
> Em 25/10/2015 07:16, Richard R. Pope escreveu:
>> Nic,
>>       I have 10 second delays between each of the calls to send data to
>> the LCD. I'm able to count this and right now it is only 2 to 3 seconds.
>> The compiler didn't catch this overflow. I'll have to use a larger
>> variable such as a double.
>> Thanks,
>> rich!
>>
>> On 10/25/2015 5:09 AM, Nicola Perotto wrote:
>>> Hi Rich,
>>>
>>>
>>> On 25/10/2015 06:39, Richard R. Pope wrote:
>>>> Hello everyone,
>>>>        Well I have it working reliably. Now I can't get my delay routi=
nes
>>>> to work correctly. No matter what I try my delays do not change.
>>> How you know this? How you measured the real delay?
>>>
>>>>    Would
>>>> someone look at my delay routines and see if they can spot what I am
>>>> doing wrong? Here are the routines:
>>>>
>>>> extern void wait_us(unsigned int delay)
>>>> {
>>>>        for(; delay; delay--)
>>>>        {
>>>>            NOP();      //This is about 500 nS at 1 MHz
>>> Here one error: at 1 MHz of clock the instruction clock is ever 1/4 so =
250 kHz =3D
>>> 4 microseconds.
>>> You can find this explained in paragraph 5.2 of datasheet.
>>>
>>>
>>>>            //NOP();      //Now we have one uS at 1 MHz
>>>>            //NOP();      //This is about 500 nS at 1 MHz
>>>>            //NOP();      //Now we have one uS at 1 MHz
>>>>            //NOP();      //This is about 500 nS at 1 MHz
>>>>            //NOP();      //Now we have one uS at 1 MHz
>>>>        }
>>>> }
>>>> extern void wait_ms(unsigned int delay)
>>> Here "unsigned int" is 16 bit =3D 0..65535
>>>
>>>>        {
>>>>            wait_us(delay * 1000);      //This gives us 1 millisecond
>>>>        }
>>>>
>>>> extern void wait_seconds(unsigned int delay)
>>>>        {
>>>>        wait_ms(delay * 1000);      //This is one second
>>> No! This is an overflow error! 1000*1000 > 65535!
>>> Check your compiler settings, this error can be catched at compile time
>>> (maybe... no experience with XC8).
>>>
>>>
--=20
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