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phc2sys: refactor and rationalize the output messages. 

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
master
Richard Cochran 2012-09-26 08:42:19 +02:00
parent c890a4b935
commit eb09fe01d7
1 changed files with 9 additions and 5 deletions
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14
phc2sys.c
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@ -126,14 +126,18 @@ struct servo {
static struct servo servo;
static void show_servo(FILE *fp, const char *label, int64_t offset, uint64_t ts)
{
fprintf(fp, "%s %9lld s%d %lld.%09llu drift %.2f\n", label, offset,
servo.state, ts / NS_PER_SEC, ts % NS_PER_SEC, servo.drift);
fflush(fp);
}
static void do_servo(struct servo *srv, clockid_t dst,
int64_t offset, uint64_t ts, double kp, double ki)
{
double ki_term, ppb;
printf("s%d %lld.%09llu drift %.2f\n",
srv->state, ts / NS_PER_SEC, ts % NS_PER_SEC, srv->drift);
switch (srv->state) {
case SAMPLE_0:
clock_ppb(dst, 0.0);
@ -206,8 +210,8 @@ static int do_pps_loop(char *pps_device, double kp, double ki, clockid_t dst)
if (!read_pps(fd, &pps_offset, &pps_ts)) {
continue;
}
printf("pps %9lld ", pps_offset);
do_servo(&servo, dst, pps_offset, pps_ts, kp, ki);
show_servo(stdout, "pps", pps_offset, pps_ts);
}
close(fd);
return 0;
@ -294,8 +298,8 @@ int main(int argc, char *argv[])
if (!read_phc(src, dst, phc_readings, &phc_offset, &phc_ts)) {
continue;
}
printf("phc %9lld ", phc_offset);
do_servo(&servo, dst, phc_offset, phc_ts, kp, ki);
show_servo(stdout, "phc", phc_offset, phc_ts);
}
return 0;
}