[chirp_devel] Yaesu FT-897D support

[VK3NAF]

Hello again,

On 09/02/2012, at 3:25 AM, IZ3GME Marco wrote:

> I suggest you to dump the images files with hd and then compare with diff, BTW I love diff -y format, give it a try ... well I suppose you are running linux ...
> 
> eg.
> 
> hd ft897d.img > ft897d.img.dump
> hd ft897d-reread.img > ft897d-reread.img.dump
> diff -y ft897d.img.dump ft897d-reread.img.dump | less

Okay, cool. To be pedantic I took the original image I cloned from the radio and re-cloned it back. Then, without touching a single knob so as not to disturb anything, I re-cloned the radio back to Chirp and saved the image. I created hexdumps of the two images and ran them through diff, as you described. A zip file is attached of the output. The left side is the original image cloned to the radio, the right side is the image cloned back to Chirp.

It appears that the only thing that is different between the two is four bytes at addresses 0x1c85, 0x1c86, 0x1c90, and 0x1c91. These fall within the "unknown" section of the memory map, so it's a bit of a mystery what they're for.

> with the -us version of the driver you should get a clone error in chirp at the end of the "clone tx" process as the -us version send one more packet then the international versions. That supplementar packet is used for the special 60m memories.
> In any case you can safely try _clone tx from radio_ and see if i'm right ;)

I tried cloning from the radio to Chirp with the US version selected to see what happens. The radio finishes sending while Chirp waits for those last few bytes for ages until you click "Cancel". No error message comes up on Chirp, but there is no harm done.

> If you have the optional CW filter installed could you please try to create a memory with CW and narrow and see if you see it correctly as "NCW" in chirp?

Sorry, I don't have any optional filters installed. :-(

> In general there nothing special to test, simply use it with your 897 and let us know if you find any malfunction.

So far, everything seems to be working fine. Excellent work! If you were local, I'd buy you a beer. :-)

Have fun!
Emil - VK3NAF

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