int main(int argc, char **argv)
{
int i, j;
long tmp=0;
long tmp_avg=0;
long tmp_avg2;
long offset=0;
float filter_low, filter_high;
float spread_percent = SPREAD / 100.0 /2.0;
int b;
int nsamples=N_SAMPLES;
long samples[nsamples];
if (argc == 2) {
offset = atol(argv[1]);
}
setHighPri();
setup_io();
setup_gpio();
reset_converter();
j=0;
// get the dirty samples and average them
for(i=0;i<nsamples;i++) {
reset_converter();
samples[i] = read_cnt(0, argc);
tmp_avg += samples[i];
}
tmp_avg = tmp_avg / nsamples;
tmp_avg2 = 0;
j=0;
filter_low = (float) tmp_avg * (1.0 - spread_percent);
filter_high = (float) tmp_avg * (1.0 + spread_percent);
// printf("%d %d\n", (int) filter_low, (int) filter_high);
for(i=0;i<nsamples;i++) {
if ((samples[i] < filter_high && samples[i] > filter_low) ||
(samples[i] > filter_high && samples[i] < filter_low) ) {
tmp_avg2 += samples[i];
j++;
}
}
if (j == 0) {
printf("No data to consider\n");
exit(255);
}
printf("%d", (tmp_avg2 / j) - offset);
// printf("average within %f percent: %d from %d samples, original: %d\n", spread_percent*100, (tmp_avg2 / j) - offset, j, tmp_avg - offset);
unpull_pins();
restore_io();
}
int main(int argc, char **argv)
{
int lockfd;
int iPin = 0;
int iErr = 0;
char cMode = 'V';
int iReturnCode = 0;
int i, j;
long tmp=0;
long tmp_avg=0;
long tmp_avg2;
long offset=0;
float filter_low, filter_high;
float spread_percent = SPREAD / 100.0 /2.0;
int b;
int nsamples=N_SAMPLES;
long samples[nsamples];
if (argc == 2) {
offset = atol(argv[1]);
}
if (argc == 4){
clock_pin = atol(argv[1]);
data_pin = atol(argv[2]);
offset = atol(argv[3]);
}
// lockfd = open_lockfile(LOCKFILE);
iErr = wiringPiSetup ();
if (iErr == -1)
{
if (cMode == 'V')
printf ("ERROR : Failed to init WiringPi %d\n", iErr);
iReturnCode = -1;
}
setHighPri();
setup_gpio();
// reset_converter();
j=0;
// get the dirty samples and average them
for(i=0;i<nsamples;i++) {
// reset_converter();
// reset_converter();
samples[i] = read_cnt(0, argc);
tmp_avg += samples[i];
}
tmp_avg = tmp_avg / nsamples;
tmp_avg2 = 0;
j=0;
filter_low = (float) tmp_avg * (1.0 - spread_percent);
filter_high = (float) tmp_avg * (1.0 + spread_percent);
// printf("%d %d\n", (int) filter_low, (int) filter_high);
for(i=0;i<nsamples;i++) {
if ((samples[i] < filter_high && samples[i] > filter_low) ||
(samples[i] > filter_high && samples[i] < filter_low) ) {
tmp_avg2 += samples[i];
j++;
}
}
if (j == 0) {
printf("No data to consider\n");
exit(255);
}
printf("%d\n", (tmp_avg2 / j) - offset);
// printf("average within %f percent: %d from %d samples, original: %d\n", spread_percent*100, (tmp_avg2 / j) - offset, j, tmp_avg - offset);
// unpull_pins();
// restore_io();
// power_down_hx711();
}
