[chirp_users] Yaesu FT-4X Download Problem

Dan Clemmensen
Thu Aug 15 18:47:02 PDT 2019


Since I love to experiment and I Love Linux, I just connected the Mic port
to The TxD and RxD serial pins on a Raspberry Pi Zero W I had lying around
and ran CHIRP on the Pi.  This works because the underlying signal voltages
used by the radio and the Pi are both 3.5V. The RaspBerry Pi Zero W, is
roughly the same cost as the SCU-35 or an RT systems cable. Don't try this
unless you like to tinker. If you do like to tinker, use a 2.5mm TRS plug.
the "data" is on the ring and the GND is on the sleeve. connect "data"
directly to the Pi's RxD and via a 2K resistor to the Pi's TxD. Connect the
Pi's GND to the plug's GND. It works just fine.

My setup is now a bit more complicated. I now use the cheaper, smaller,
more more powerful NanoPI Duo, and it supports CHIRP and Direwolf (packet
radio) with a single more complicated cable, so I do not need switch cables
to switch from CHIRP to Direwolf.  Please don't try this  yourself until I
can get my act together and document this mess.

On Thu, Aug 15, 2019 at 6:13 PM John Beall <beall.john at gmail.com> wrote:

> Yeasu doesn't support CHIRP but own can download the firmware from they're
> website as well one Can order the Cable. The Firmware is free and the Cable
> is around $22.00!
>
> On Thu, Aug 15, 2019, 8:22 PM John Higby <KJ7HEL at hotmail.com> wrote:
>
>> I thought I saw that the USB-57A was compatible, but it's actually the
>> USB-55.
>>
>> Thanks for sorting me out !!
>>
>>
>> 73
>>
>> kj7hel
>>
>>
>> ------------------------------
>> *From:* chirp_users-bounces at intrepid.danplanet.com <
>> chirp_users-bounces at intrepid.danplanet.com> on behalf of Dan Clemmensen <
>> danclemmensen at gmail.com>
>> *Sent:* Thursday, August 15, 2019 5:10 PM
>> *To:* Discussion of CHIRP <chirp_users at intrepid.danplanet.com>
>> *Subject:* Re: [chirp_users] Yaesu FT-4X Download Problem
>>
>> I have never used that cable, so I cannot comment. Does it work with the
>> Yaesu software?
>>
>> Colleagues: have any of you used that cable successfully with FT-4 or
>> FT-65?
>>
>> On Thu, Aug 15, 2019 at 4:50 PM John Higby <KJ7HEL at hotmail.com> wrote:
>>
>> USB-57A which is listed for the FT-4X. Windows 7.  I believe I'm using
>> the latest daily download.
>>
>>
>> 73
>>
>> kj7hel
>> ------------------------------
>> *From:* chirp_users-bounces at intrepid.danplanet.com <
>> chirp_users-bounces at intrepid.danplanet.com> on behalf of Dan Clemmensen <
>> danclemmensen at gmail.com>
>> *Sent:* Thursday, August 15, 2019 4:34 PM
>> *To:* Discussion of CHIRP <chirp_users at intrepid.danplanet.com>
>> *Subject:* Re: [chirp_users] Yaesu FT-4X Download Problem
>>
>> What cable are you using? (also, what OS and what CHIRP version?) The
>> FT-4X and related radios use a half-duplex connection with TxD and RxD on
>> the same wire. The Yaesu SCU-35 cable works, of course. but if you are
>> using another cable you may need to modify it. I use a trivial connection
>> via resistors to the serial port on a Raspberry Pi.
>>
>> I need to get back into CHIRP programming, so I guess I'll fire up my
>> FT-4X and play some more.
>>
>> On Thu, Aug 15, 2019 at 4:11 PM John Higby <KJ7HEL at hotmail.com> wrote:
>>
>> New..Yaesu FT-4X...never been programmed, won't download & doesn't offer
>> an Upload option. Chirp starts ...then error...failed to communicate with
>> radio: Incorrect ACK on serial report.
>>
>> ANY help appreciated.
>>
>> 73
>> John
>> kj7hel
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>
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