Windows 11 ARM64

[Stuart Burton]

Hi Jef,

Thanks for the reply and guidance. I'll try another USB powered hub.

Kind regards,
Stuart Burton

 
> On 5/10/2024 14:45, Stuart Burton wrote:
>> Please find attached two log files of failures on my Windows 11 ARM64 tablet

> The first one failed with a checksum error:

> INFO: Read: size=33, data=93001E1D807D050001FD0000000100FF00FF00FF00FFFE00FF0001FE0000FF01B9
> ERROR: Unexpected answer checksum. [in suunto_vyper.c:370 (suunto_vyper_read_dive)]
> ERROR: DC_STATUS_PROTOCOL

>  From your first successful log, we have the expected packet:

> INFO: Read: size=33, data=93001E1D807D010001FD0000000100FF00FF00FF00FFFE00FF0001FE0000FF01B9

> There is indeed a byte that has changed from 0x01 to 0x05. That's one bit that flipped during the transmission.


> In the second log, you get a packet that is too small, and contains complete garbage:

> INFO: Read: size=14, data=F4FEFF80C0C1CD3FFA7FFDA88DFF
> ERROR: Failed to receive the answer. [in suunto_vyper.c:212 (suunto_vyper_transfer)]
> ERROR: DC_STATUS_TIMEOUT

> The expected packet here was:

> INFO: Read: size=25, data=050016140001A21C0000000034DB569A0135160A35251344F4


> Looks like a bad connection somewhere. Or maybe as Giorgio suggested your ARM tablet does not supply enough power for the PC interface? In that case using an intermediate powered USB hub might indeed help.

> Jef
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