cs_set_correct_filter(&ballboard.roller.cs, pid_do_filter, &ballboard.roller.pid);
cs_set_process_in(&ballboard.roller.cs, pwm_ng_set, ROLLER_PWM);
cs_set_process_out(&ballboard.roller.cs, encoders_spi_update_roller_speed, ROLLER_ENCODER);
cs_set_consign(&ballboard.roller.cs, 0);
cs_set_correct_filter(&ballboard.roller.cs, pid_do_filter, &ballboard.roller.pid);
cs_set_process_in(&ballboard.roller.cs, pwm_ng_set, ROLLER_PWM);
cs_set_process_out(&ballboard.roller.cs, encoders_spi_update_roller_speed, ROLLER_ENCODER);
cs_set_consign(&ballboard.roller.cs, 0);