{
    "bmc.dev.PWMChannel": {
        "properties": {
            "MaxSupportedDutyCycle": {
                "baseType": "U32",
                "readOnly": true,
                "options": {
                    "emitsChangedSignal": "const"
                },
                "description": "最大支持占空比"
            },
            "ExpectedDutyCycle": {
                "baseType": "U32",
                "readOnly": true,
                "description": "期望占空比，用于与实际转速比较，判断转速是否偏差过大"
            }
        },
        "methods": {
            "SetDutyCycle": {
                "req" : {
                    "PWM": {
                        "baseType": "U32",
                        "description": "double[] 各风扇PWM（-1表示不修改，其他非法值报错）"
                    }
                },
                "rsp": {
                    "Result": {
                        "baseType": "U8"
                    }
                }
            }
        }
    }
}