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电量计(bq3x,or bq4x)如何实现作为Master mode向主机或智能充电器发送信息?

Other Parts Discussed in Thread: BQ40Z50, BQ3060, BQ4050, BQ25700A

Dear TI FAE,

请教下:

从bq3060,bq4050, 还有bq40z50上都能看到,Operation Cfg B [BCAST]可以配置电量计作为Master Mode给主机或者智能充电器发送信息。我们想用这个功能,让电量计定期发送充电状态,以及BatteryStatus,SafetyStatus出现变化时能给主机通知。

请问如何做到电量计作为从设备到主设备的切换,主机端要以从设备的形式去接收电量计发来的广播信息,主从模式如何切换,切换时机是怎样的?