[chirp_users] Yaesu FT-897D Upload Error

[Bernhard Hailer AE6YN]

Yes, it does make sense. Serial connections use *two* independent data 
lines (plus ground): RX and TX.

If you trigger your radio to give you all its data (download contents), 
then the radio will use its TX line to feed the RX of the USB cable. 
Chirp reads it from there. The radio's RX line is not in use for this task.

But when you try to upload data, then the TX line of your cable tries to 
feed into the RX line of your radio. It attempts to send a command 
causing the radio to accept data. There's a disconnect. Nothing arriving 
at the radio, which otherwise would send an acknowledgement back.

Check your cable and connector.


Regards
Bernhard AE6YN

On 01-Jan-21 18:51, D.J.J. Ring, Jr. wrote:
> Bernhard,
>
> This is a problem only for writing, not reading from radio.
>
> Doesn't make sense to me.
>
> Best wishes,
>
> David
> N1EA
>
> On Fri, Jan 1, 2021, 20:04 Bernhard Hailer AE6YN <ham73tux at gmail.com 
> <mailto:ham73tux at gmail.com>> wrote:
>
>     Hi DR,
>
>     This looks like a cable / driver / connector issue. Please refer
>     to these Wiki articles:
>     CableGuide
>     CableGuide FTDI OEM Cables
>
>     *Linux notes:* Linux generally is quite good with USB to Serial
>     converter drivers. The most likely cause for grief is a connector
>     which doesn't provide good electrical contact. In your case, it
>     looks like serial TX is not making contact. Check your cable and
>     connector.
>
>
>     73 es GL
>     Bernhard AE6YN
>
>
>     On 01-Jan-21 13:17, D.J.J. Ring, Jr. wrote:
>>     I can download from my Yaesu FT-897D successfully using CHIRP
>>     daily-20201221 on Linux - Debian GNU/Linux 10 (Python 2.7.16) but
>>     I cannot upload.
>>
>>     I get the following error message.
>>
>>     raise errors.RadioError("Failed to communicate with radio: %s" % e)
>>     RadioError: Failed to communicate with radio: Radio did not ack
>>     block 0
>>
>>     ERROR: ----------------
>>     ERROR: Clone failed: Failed to communicate with radio: Radio did
>>     not ack block 0
>>     ERROR: --- Exception Dialog: Failed to communicate with radio:
>>     Radio did not ack block 0 ---
>>     ERROR: None
>>
>>     Full errors in attachment.
>>
>>     Any suggestions?
>>
>>     73
>>     DR
>>     N1EA
>>
>>
>>
>>
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>
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