ixus175_elph180_100c porting attempt - page 17 - DryOS Development - CHDK Forum
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ixus175_elph180_100c porting attempt

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Offline blackhole

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Re: ixus175_elph180_100c porting attempt
« Reply #160 on: 06 / July / 2017, 04:55:59 »
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Quote from: axman on 05 / July / 2017, 11:21:38
Change shooting mode to AUTO.  Set ISO override 60.  Flash on.
Image is captured.  Subject is dark but visible. 
Exif data - it does not say ISO 60, but maybe it does not matter.
On some cameras, non-standard ISO in combination with the flash may cause a crash. Apparently, this is not the case here.

Quote from: srsa_4c on 05 / July / 2017, 11:59:22
Seems like there's some research to do and the fi2 tool needs an update.
Weird thing is that the fi2 decoder still appears to correctly handle even the latest known fw upgrade files (M5)...
I see, I can create ps.fi2 for the sx430 (DryOS r59) without any problems, probably is just as dysfunctional.
I can not try it, I do not have a camera.
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Offline 62ndidiot

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Re: ixus175_elph180_100c porting attempt
« Reply #161 on: 06 / July / 2017, 23:34:37 »
Check your localbuildconf.inc. I had  turned off the fi2 part ( because testing a build where fi2 was not implemented) so it never got rebuilt.
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Offline axman

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Re: ixus175_elph180_100c porting attempt
« Reply #162 on: 09 / July / 2017, 21:38:56 »
@blackhole, are you satisfied with capt_seq for this port?  Are more tests needed?

If capt_seq is good, completing filewrite should be straight forward.

filewrite was almost working before the effort to fix capt_seq was taken. 
The only problem with filewrite back then was, 2x images were being captured..

Do you mind sharing your source code? 

Since you have done almost all of the hard work to make a correct capt_seq :-) ,  I can probably make filewrite work without needing too much more help..  Let me know how you see this.  Thanks in advance.
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Offline blackhole

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Re: ixus175_elph180_100c porting attempt
« Reply #163 on: 10 / July / 2017, 13:03:57 »
Quote from: 62ndidiot on 06 / July / 2017, 23:34:37
Check your localbuildconf.inc. I had  turned off the fi2 part ( because testing a build where fi2 was not implemented) so it never got rebuilt.
Thanks for the advice.
Sorry for the late reply, these days I'm lazy. :D
I spend most of my spare time on nearby beaches, away from the PC and everyday duties.
Quote from: axman on 09 / July / 2017, 21:38:56
@blackhole, are you satisfied with capt_seq for this port?  Are more tests needed?
That's over, no more testing.

The source code is attached.

Put "dancingbits.h" and "firmware_load.c"  to the "tools" folder.
If you use your old "dancingbits.h" and "firmware_load.c" files, you may need to edit the file ... / sub / 100c / makefile.inc.
Do not forget to add PRIMARY.BIN to the folder .../sub/100c

Quote
Since you have done almost all of the hard work to make a correct capt_seq :-) ,  I can probably make filewrite work without needing too much more help..  Let me know how you see this.  Thanks in advance.
Go ahead!
Don't forget to return the 'filewrite' to ... / sub / 100c / Makefile.
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Offline axman

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Re: ixus175_elph180_100c porting attempt
« Reply #164 on: 11 / July / 2017, 12:15:19 »
Thank you for the source!  :xmas
Enjoy the beach and life away from computers.  :-)
I must do 'real' work for a while, but will give attention to this filewrite soon.
Thank you again for all the help.
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Offline duerig

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Re: ixus175_elph180_100c porting attempt
« Reply #165 on: 12 / July / 2017, 12:37:51 »
I just wanted to thank everyone here for all the work they've done on this port. It is great to see so much progress. I'm feeling optimistic enough that I just ordered a couple of ELPH 180 cameras myself to test with Pi Scan. If it works, then that will be a great help to everybody in the DIY book scanner community.


If not, I'll start posting bug reports here and trying to help as I can.


-Jonathon Duerig

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Offline axman

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Re: ixus175_elph180_100c porting attempt
« Reply #166 on: 15 / July / 2017, 13:46:39 »
Quote from: axman on 09 / July / 2017, 21:38:56
If capt_seq is good, completing filewrite should be straight forward.
^^ wrong.  Not straight forward for me, anyway.

Testing chdkptp 'shoot'.  Rec / Shoot cmds result in 1x JPG saved to sd card.  Following with a PLAY cmd crashes camera with lens out.  Yes, i'm trashing registers, and have not figured it out yet.  Latest ROMLOG attached.

I looked for addrs in ROMLOG that match addrs in filewrite code, found 0xAE3C, and add filewrite debug logging to expose what's in that register.  Attempts to correct the situation provoke either 0x10 or 0x1C exception errors. 

Problem is inside "skip flushing the cache" or "skip creating directory" I think.  This code is not laid out at all like ixus160, so it is hard for me to see precisely where to put the jumps and loc_'s.

BUT, my question is really about why the shoot command does not provoke any logging.  Remoteshoot does, and also crashes with lens out, but I figured if the simple func 'shoot' does not work properly, there is no point to go further until corrected.

If I remove filewrite.c, recompile, and test quickshoot and halfpress-then-shoot, it works fine.  Just like @blackhole's last test build.  Yet, with filewrite code in place, when the shoot cmd happens, no debug log output comes.  I don't understand.

How can I log the 'chdkptp shoot' case, if not inside filewrite code?  Add logging to capt_seq?

One more dumb question;  Does the choice of power button or PLAY button to turn cam on and off affect code paths taken in the 'chdkptp shoot' case?

Any feedback about the romlog or filewrite code is most welcome.  Thanks in advance.
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Offline axman

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Re: ixus175_elph180_100c porting attempt
« Reply #167 on: 16 / July / 2017, 22:26:45 »
Progress.  Filewrite debug is enabled and working, without trashing capt_seq "quickshoot" mode.  Prefetch and address exception errors are gone.

chdkptp shoot saves 1x jpg to sdcard good.

chdkptp rs -jpg -shots=1 acts like it captures, then chdku.lua:1366: General Error.

Any pointer to understanding the elements contained in the fwt_data_struct is most appreciated.  Thanks in advance.

edit: added fwt_log_msg from failing test case below;  note: I changed filewrite_hdr.c to print the 'name' parameter as %d and not %s.

00034000: UI:fw start
00034000: UI:fw m:-509607936 o:0xe59ff014 fs:0xe59ff014 sf:0xe58120ec
00034000: UI:fw 16
00034000: UI:fw u e59ff014 e59f1054 e3a020ff e5c12000 00000000 00583204
« Last Edit: 16 / July / 2017, 22:30:03 by axman »
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Offline reyalp

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Re: ixus175_elph180_100c porting attempt
« Reply #168 on: 26 / May / 2018, 20:48:47 »
I checked in the last code could find for this port into the trunk (r5015-r5016), from @tsamma in https://chdk.setepontos.com/index.php?topic=13063.msg133207#msg133207 and @blackhole in https://chdk.setepontos.com/index.php?topic=13063.msg133875#msg133875

Currently disabled in the autobuild. I should have one of these fairly soon to test and resolve whatever bugs are left.

If anyone knows of more recent code, let me know.
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Offline blackhole

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Re: ixus175_elph180_100c porting attempt
« Reply #169 on: 27 / May / 2018, 00:17:02 »
Quote from: reyalp on 26 / May / 2018, 20:48:47
If anyone knows of more recent code, let me know.
Nice work!
I only have this, compared to the trunk.
Code: [Select]
    #define CAM_ACTIVE_AREA_X1              8
    #define CAM_ACTIVE_AREA_Y1              16
    #define CAM_ACTIVE_AREA_X2              5192
    #define CAM_ACTIVE_AREA_Y2              3904
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