| 
    upkie 10.0.0
    
   Open-source wheeled biped robots 
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| def __init__ | ( | self, | |
| str | device_path, | ||
| str | prefix = "joystick"  | 
        ||
| ) | 
Initialize joystick input reader.
| [in] | device_path | Path to the joystick device file on Linux. | 
| [in] | prefix | Prefix used when writing outputs to the observation dictionary. |