static void *
calibrate_client_work(void)
{
long dummy;
struct timeval nowtv;
struct timeval warmuptv = { 0, 100 * 1000 }; /* 100ms */
struct timeval starttv;
struct timeval endtv;
if (client_spin) {
/* Warm-up the stepper first... */
gettimeofday(&nowtv, NULL);
timeradd(&nowtv, &warmuptv, &endtv);
do {
client_spin_loop(calibration_count, client_work_atom);
gettimeofday(&nowtv, NULL);
} while (timercmp(&nowtv, &endtv, < ));
/* Now do the calibration */
while (TRUE) {
gettimeofday(&starttv, NULL);
client_spin_loop(calibration_count, client_work_atom);
gettimeofday(&endtv, NULL);
if (endtv.tv_sec - starttv.tv_sec > 1) {
calibration_count /= 10;
continue;
}
calibration_usec = endtv.tv_usec - starttv.tv_usec;
if (endtv.tv_usec < starttv.tv_usec) {
calibration_usec += 1000000;
}
if (calibration_usec < 1000) {
calibration_count *= 10;
continue;
}
calibration_count /= calibration_usec;
break;
}
if (verbose > 1)
printf("calibration_count=%d calibration_usec=%d\n",
calibration_count, calibration_usec);
}
return NULL;
}
static void *
client_work(void)
{
if (client_spin) {
client_spin_loop(calibration_count*client_spin,
client_work_atom);
}
if (client_delay) {
usleep(client_delay);
}
}
