[help wanted] How set 20V to quick charger #1

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on Dec 27, 2020

I have charger with multi voltge: 5V, 9V, 12V, 20V.

FUSB302 is connected to Adruino by I2C, and connected to charger by CC1, CC2.

How to communicate with them, to change default 5V to 20V? How to do power negotiation?

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