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msp430g 系列spi主从机模式能否在线切换?

项目需要使用双主机,不是同时做主机,需要主机1固定为主机,主机2平时为主机,接收到主机1的IO信号时切换为从机模式,信号完毕则又恢复为主机模式。

苦思冥想很久没想出来,请求路过的大佬指教一下~~