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 <ham73...@gmail.com
<mailto:ham73...@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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