SYN_PRIMARY_FINGER
sc->history_x[SYN_PRIMARY_FINGER], sp->sp_x,
sc->packet_count[SYN_PRIMARY_FINGER]);
sc->history_y[SYN_PRIMARY_FINGER], sp->sp_y,
sc->packet_count[SYN_PRIMARY_FINGER]);
sc->packet_count[SYN_PRIMARY_FINGER]++;
&sc->rem_x[SYN_PRIMARY_FINGER]);
&sc->rem_y[SYN_PRIMARY_FINGER]);
&sc->rem_z[SYN_PRIMARY_FINGER]);
sc->rem_x[SYN_PRIMARY_FINGER] = 0;
sc->rem_y[SYN_PRIMARY_FINGER] = 0;
sc->packet_count[SYN_PRIMARY_FINGER] = 0;
sc->rem_x[SYN_PRIMARY_FINGER] = 0;
sc->rem_y[SYN_PRIMARY_FINGER] = 0;
sc->rem_z[SYN_PRIMARY_FINGER] = 0;