cy4531 connect power adapter error

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cross mob
rttt_3611331
Level 3
Level 3
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I try to connect power adapter by cy4531. and cypd3125 flashed the firmware I compiled from cypd3125 notebook sdk.

And I got the below error.

Starting Device Discovery.

0 HID devices found.

1 USB-Serial Bridge devices found.

Error: USB device (0,0) de-initialization failed

0 HID devices found.

1 USB-Serial Bridge devices found.

Flashing device is UFP, initiating DR_SWAP

DR Swap Successful

PD contract established.

Device Discovery completed.

Starting Device Discovery.

0 HID devices found.

1 USB-Serial Bridge devices found.

PD contract established.

Device Discovery completed.

PD contract established.

Restarting the target device

Re-negotiating PD contract after switching target reset

Error: PD contract not established after RESET

Error: DLL call returned error while fetching info

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1 Solution
YiZ_31
Moderator
Moderator
Moderator
1000 replies posted 750 replies posted 500 replies posted

Hi,

CYPD4531 and EZ-PD Configuration Utility do not support the way your want to flash your device.

Regards,
Eddie

View solution in original post

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