[ts-7000] Re: Read ADC

["rodriguezromain62" <>]

Thanks a lot, know i read ADC value to channel 1 and I put the value on my 
website with a refresh of 1,5sec.
But i have an other problem, i need to print the value of the chan 0,1,2 & 3. I 
use AJAX for refresh my value, but only one value is print. My php code looks 
like :

        $resu_A= array() ;
        $resu_A=exec("/home/PROGRAMMES/testADCbinaire -r 0");
        $ANA0=($resu_A);
        

        $resu_b= array() ;
        $resu_b=exec("/home/PROGRAMMES/testADCbinaire -r 1");
        $ANA1=($resu_b);

I've modified the ts7800ctl.c for do just 1 sample and convert the raw value to 
volt value.

Only the first $ANA0 is print... If I delete the first sample, the second 
($ANA1) is print. I dont understand why, if you have any idea for help me. 
thanks




--- In  "Harold" <> wrote:
>
> The values from ts7800ctl -r are the raw binary ADC values, as described in 
> the manual.
> http://www.embeddedarm.com/about/resource.php?item=393#section5.3
> From looking at ts7800ctl.c and twsi.h, it appears that the ADC values start 
> at address 0xE8100004, and there are 4096 bytes containing 2048 ADC samples.
> 
> --- In  "rodriguezromain62" <rodriguezromain62@> 
> wrote:
> >
> > Hello everybody, i'm a student in training. I living in France, and i need 
> > some help about ADC on TS7800.
> > 
> > I try to understand the ts7800ctl programm but i dont :/
> > What is the value I can see when i start programm with -r ?
> > 
> > 
> > I just need to read Value of ADC channel, in the manual it says we can read 
> > ADC with MMAP. I need that but i dont know the register!
> > how ADC works ?
> > 
> > Thanks.
> > I need some help please.
> >
>




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