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Sending Status without sending VDO

Shirly_X
Visitor

我使用的芯片是G071RB,当我使用STM32UCPD发status,直接从FF01(PD协议的DP模式)变成0x00000,并且在抓包发现再发送的时候没有发VDO000000001,返回的数据中HPD为0,有没有大佬知道怎么解决

Translation:

I'm using the STM32G071RB MCU. When I send a status update using STM32UCPD, it jumps directly from FF01 (DP mode of the PD protocol) to 0x00000. Packet capture shows that VDO000000001 is not sent during retransmission, and HPD is 0 in the returned data. Does anyone know how to solve this?

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