ValueError: Invalid OTP

[fyangami]

init(21021, <class 'protocol.USBProtocol'>, 5)
Found Goodix device: "FingerPrint" from "Goodix" on bus 3 address 4.
Found interface data: 0
Found endpoint in: 0x83
Found endpoint out: 0x1
empty_buffer()
nop()
firmware_version()
Firmware: GFUSB_GM168SEC_APP_10019
preset_psk_read(3137470465, 32, 0)
Valid PSK: True
reset(True, False, 20)
read_sensor_register(0, 4)
read_otp()
Traceback (most recent call last):
File "/home/fyang/Downloads/goodix-fp-dump/run_521d.py", line 3, in
main(0x521d)
File "/home/fyang/Downloads/goodix-fp-dump/driver_52xd.py", line 344, in main
run_driver(device)
File "/home/fyang/Downloads/goodix-fp-dump/driver_52xd.py", line 133, in run_driver
raise ValueError("Invalid OTP")

[mpi3d]

As you might have noticed, the driver is still in developement. So many feature are still missing and doesn't works. You need to stay patient.

[fyangami]

I replaced the value of OPT with a constant value and ran the script, which seemed to work normally😃

[mpi3d]

Ok. Thanks

[sashkent3]

@fyangami Could you please elaborate what constant value did you replace the OTP with? Exact code snippet would be great to help me and others.

[fyangami]

@fyangami Could you please elaborate what constant value did you replace the OTP with? Exact code snippet would be great to help me and others.
just is in source file driver_52xd.py like this:

        # otp = device.read_otp()
        # replace with 
        otp = 'ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff'
        assert otp >= 64
        if len(otp) < 64:
            raise ValueError("Invalid OTP")

        # OTP 1: 4e4c4d31372e0000b9828da2a2d73e09
        #        08196896800000ee6014a774a060b614
        #        ea2704009b0056f007212723a1a7a300
        #        00000000000000000000000083760000
        # OTP 2: 4e4b35594c2e00002983759520190009
        #        08274c96800000f0103cae6ea010593c
        #        ea2f04009c0053f00729312ba8b0aa00
        #        000000000000000000000000f3830000

This may lead to other problems.