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I have not found the exact cause yet, but I can say that moving the compare from the 3rd param out of the fprintf, it works ok !

float t;
t = (float)((elapsedtime == 0) ? 0.0f ...

Hi PCM,

I'm trying to repeat it as a standalone app ... with no success (at getting it to fail!!).

So, i'm checking the effects if interrupts in my application and if the variable deltatemp1 is ...

Hi PCM,

Tried that! the compiler is happy, but output is still random :

v3.236 Output with no cast
---------------
T,367,21.75,0.00,*
T,368,21.50,-0.50,*
T,369,21.50,-0.50,*
T,370,21.25,-1. ...

Hi all,

Just forced back to updating an old project and returning to PICs and the horrible world of MPLAB after 5 years of wonderful trouble free ARM7/9 development and I immediately have a problem ...

Which micro did you have in mind ? I've used the polynomial code (in the link above) in many 16Fxx and 18Fxxx devices with excellent results.

It all depends on you application and how much executio ...

have a look at this thread:

[url=http://www.ccsinfo.com/forum/viewtopic.php?t=29767&highlight=polynomial]Calibration Tables

this suggests a few methods.

Interpolation is quick but not acc ...

I don't suppose you wired up the HOLD pin of the FRAM to an I/O pin on the pic.

If you did, you could put the FRAM in HOLD in the INT_AD and release it at the end of the interrupt routine. Theoret ...

As for the data transfer on this 'hardware link', there are plenty of examples of serial reading/writing all over this forum.

Try using the search feature on the top of this forum page !!! it real ...

aodj,

const float Temperature[4] = {
-0.1429f, // constant
-2.4048f, // x
3.5714f, // x^2
-0.1667f // x^3
};

float GetCalibratedTemperature(float fValue&# ...

I'll post some example code when I get home.

You don't do the full calculation for each adc reading as it is written down in the formula, but an incremental multiplication of x (to give you the po ...

You can do it by two ways:

1) Approximate the curve by a series of straight lines then do a bit of code to find the real value based on the segment you are in. i.e.

ADC Real Value
0 ...

Supertorresmo, can you have a look at:

[url=http://www.ccsinfo.com/forum/viewtopic.php?t=29627]http://www.ccsinfo.com/forum/viewtopic.php?t=29627

and tell quad3 what your fix to you problem was. ...

Have a look at:

[url=http://www.ccsinfo.com/forum/viewtopic.php?t=29646]http://www.ccsinfo.com/forum/viewtopic.php?t=29646

NOTE TO FORUM MODERATORS:

If guests (non registered members) were st ...

If you can put 3 mesages into the tx buffer and then nothing else happens, then it sounds like the messages are not actually been sent (physically) to the other device and they are filling up the avai ...

Should that read 29bits and not 27 ?