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tools: switch the ptraccel-debug printf to use mm/s

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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Peter Hutterer 2016-12-16 08:22:54 +10:00
parent 84ab969c26
commit ec63ecd485
1 changed files with 21 additions and 9 deletions
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30
tools/ptraccel-debug.c
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@ -141,19 +141,31 @@ print_ptraccel_sequence(struct motion_filter *filter,
}
}
static void
print_accel_func(struct motion_filter *filter, accel_profile_func_t profile)
/* mm/s → units/µs */
static inline double
mmps_to_upus(double mmps, int dpi)
{
double vel;
return mmps * (dpi/25.4) / 1e6;
}
static void
print_accel_func(struct motion_filter *filter,
accel_profile_func_t profile,
int dpi)
{
double mmps;
printf("# gnuplot:\n");
printf("# set xlabel \"speed\"\n");
printf("# set xlabel \"speed (mm/s)\"\n");
printf("# set ylabel \"raw accel factor\"\n");
printf("# set style data lines\n");
printf("# plot \"gnuplot.data\" using 1:2\n");
for (vel = 0.0; vel < 0.004; vel += 0.0000001) {
double result = profile(filter, NULL, vel, 0 /* time */);
printf("%.8f\t%.4f\n", vel, result);
printf("# plot \"gnuplot.data\" using 1:2 title 'accel factor'\n");
printf("#\n");
printf("# data: velocity(mm/s) factor velocity(units/us)\n");
for (mmps = 0.0; mmps < 300.0; mmps += 1) {
double units_per_us = mmps_to_upus(mmps, dpi);
double result = profile(filter, NULL, units_per_us, 0 /* time */);
printf("%.8f\t%.4f\t%.8f\n", mmps, result, units_per_us);
}
}
@ -338,7 +350,7 @@ main(int argc, char **argv)
}
if (print_accel)
print_accel_func(filter, profile);
print_accel_func(filter, profile, dpi);
else if (print_delta)
print_ptraccel_deltas(filter, step);
else if (print_motion)