#include<stdio.h>
#include<comedilib.h>

int subdev = 0;
int range = 0;
int chan = 0;
comedi_range *range1;
int aref = AREF_GROUND;
int i, rangetype;
int main(int argc, char *argv[]){
int j;
	comedi_t *it;
	lsampl_t data, maxdata;
	double volts;

//	for (chan=0;chan < 15;chan++){
	it = comedi_open("/dev/comedi0");
	comedi_data_read(it,subdev,chan,range,aref,&data);
	rangetype = comedi_get_rangetype(it,subdev,chan);
	maxdata = comedi_get_maxdata(it,subdev,chan);
	range1 = comedi_get_range(it,subdev,chan,range);
	volts = comedi_to_phys(data,range1,maxdata);
	i = comedi_get_n_ranges(it,subdev,chan);
	printf("Numeros de ranges do canal %d: %d\n",i,chan+1); 
	printf("data: %d, maxdata: %d, volts:%g\n",data,maxdata,volts);
//	}
	return(0);



}