in src/app.cpp [263:284]
static void tail_control(signed int angle)
{
float pwm = (float)(angle - ev3_motor_get_counts(tail_motor))*P_GAIN; /* 比例制御 */
/* PWM出力飽和処理 */
if (pwm > PWM_ABS_MAX)
{
pwm = PWM_ABS_MAX;
}
else if (pwm < -PWM_ABS_MAX)
{
pwm = -PWM_ABS_MAX;
}
if (pwm == 0)
{
ev3_motor_stop(tail_motor, true);
}
else
{
ev3_motor_set_power(tail_motor, (signed char)pwm);
}
}