Airwolf HD2x PID autotuning

< echo:Unknown command: ""
> M303 E0 S200 C8
< PID Autotune start
<  bias: 91 d: 91 min: 197.37 max: 206.43
<  bias: 91 d: 91 min: 196.84 max: 203.57
<  bias: 90 d: 90 min: 197.34 max: 203.57
<  Ku: 36.75 Tu: 28.84
<  Classic PID
<  Kp: 22.05
<  Ki: 1.53
<  Kd: 79.48
<  bias: 89 d: 89 min: 197.37 max: 203.57
<  Ku: 36.54 Tu: 29.16
<  Classic PID
<  Kp: 21.92
<  Ki: 1.50
<  Kd: 79.91
<  bias: 89 d: 89 min: 197.34 max: 203.57
<  Ku: 36.34 Tu: 28.67
<  Classic PID
<  Kp: 21.81
<  Ki: 1.52
<  Kd: 78.15
<  bias: 88 d: 88 min: 197.30 max: 203.57
<  Ku: 35.75 Tu: 29.00
<  Classic PID
<  Kp: 21.45
<  Ki: 1.48
<  Kd: 77.75
<  bias: 88 d: 88 min: 197.14 max: 203.57
<  Ku: 34.83 Tu: 29.60
<  Classic PID
<  Kp: 20.90
<  Ki: 1.41
<  Kd: 77.34
<  bias: 89 d: 89 min: 196.97 max: 203.57
<  Ku: 34.35 Tu: 29.38
<  Classic PID
<  Kp: 20.61
<  Ki: 1.40
<  Kd: 75.69
< PID Autotune finished! Put the last Kp, Ki and Kd constants from above into Configuration.h