Signed-off-by: Peter Hutterer <peter.hutte...@who-t.net> --- tools/ptraccel-debug.c | 28 ++++++++++++++++++++-------- 1 file changed, 20 insertions(+), 8 deletions(-)
diff --git a/tools/ptraccel-debug.c b/tools/ptraccel-debug.c index 4ecb7e8..4fcb45f 100644 --- a/tools/ptraccel-debug.c +++ b/tools/ptraccel-debug.c @@ -141,19 +141,31 @@ print_ptraccel_sequence(struct motion_filter *filter, } } +/* mm/s → units/µs */ +static inline double +mmps_to_upus(double mmps, int dpi) +{ + return mmps * (dpi/25.4) / 1e6; +} + static void -print_accel_func(struct motion_filter *filter, accel_profile_func_t profile) +print_accel_func(struct motion_filter *filter, + accel_profile_func_t profile, + int dpi) { - double vel; + 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) -- 2.9.3 _______________________________________________ wayland-devel mailing list wayland-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/wayland-devel