float support for servo controller

wu_xinjun

2022-03-25 6e6504475a0ef865ed1d47f78c89f56762965b3c

 .vscode/settings.json

@@ -7,6 +7,7 @@
            "path": "${workspaceFolder}/.env/python.exe"
        }
    ],
    "python.envFile": "${workspaceFolder}/.env",
    "python.envFile": "",
    "python.terminal.activateEnvironment": true,
    "python.defaultInterpreterPath": "${workspaceFolder}/.env/python.exe"
}
    }