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(Try to) Stabilize communication with DR1801UV #464

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hmatuschek opened this issue Jul 22, 2024 · 5 comments
Open

(Try to) Stabilize communication with DR1801UV #464

hmatuschek opened this issue Jul 22, 2024 · 5 comments
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@hmatuschek
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bug Something isn't working DR-1801UV Affects BTECH DR-1801UV (A6 variant)
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Version 0.12.1

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@hmatuschek
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hmatuschek commented Jul 22, 2024 •
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> dmrconf -D ttyUSB0 -R DR1801UV write '2024-07-22 DR1801 01.yaml'
Warning in ***@***.***: Verification Issue: Warn: In : The support for this radio is still under development. Some features may sill be missing or are not well tested.
Warning in ***@***.***: Verification Issue: Warn: In List 'channels', Element 0 ('PMR  1'): Frequency 446.006MHz is outside of allowed frequency ranges.
Warning in ***@***.***: Verification Issue: Warn: In List 'channels', Element 0 ('PMR  1'): Frequency 446.006MHz is outside of allowed frequency ranges.
[==================================================] 100%
ERROR in ***@***.***: Unexpected start-of-packet byte: Expected aah, got 0h.
ERROR in ***@***.***: Cannot complete codeplug write.
ERROR in ***@***.***: Cannot finish write operation properly. Partial write?
ERROR in ***@***.***: Cannot write codeplug to the device.

TRX stayed in "Memory prog..." mode during the whole upload process, but no
success.

Regards,
Patrick
@hmatuschek hmatuschek mentioned this issue Jul 22, 2024
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@hmatuschek hmatuschek self-assigned this Jul 22, 2024
@hmatuschek hmatuschek added bug Something isn't working DR-1801UV Affects BTECH DR-1801UV (A6 variant) labels Jul 22, 2024
@hmatuschek hmatuschek added this to the Version 0.12.0 milestone Jul 22, 2024
@hmatuschek
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@DH1PK I've fixed the DR1801UV interface in the 464-... branch. It now syncs the reading with the start-of-packet bytes and should ignore any garbage the A6 throws at qdmr.

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DH1PK commented Jul 22, 2024 via email

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DH1PK commented Jul 22, 2024 via email

@DH1PK
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DH1PK commented Jul 22, 2024 via email

@hmatuschek
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Okay, this is going to be a though one. I can actually reproduce the problem with my device. One reason, that the upload is so slow, is, that I need to do it with 96kBaud only. If I change the speed to anything else, the radio will show exactly that weird behavior.

However, I do not want to delay the 0.12.0 release for that. So, for the time being, the RD1801UV will be unreliable.

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@hmatuschek hmatuschek

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bug Something isn't working DR-1801UV Affects BTECH DR-1801UV (A6 variant)
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Version 0.12.1
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464-stabilize-communication-with-dr1801uv hmatuschek/qdmr
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@hmatuschek @DH1PK