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EOS M100 porting

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Offline Ant

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Re: Re: eos M10 port
« Reply #170 on: 25 / June / 2022, 09:47:31 »
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Quote from: pigeonhill on 25 / June / 2022, 09:34:29
But that assumes you have access to the original firmware version, ie the one that CHDK is happy with.
I don't understand why you need the original firmware if CHDK supports 110d, 110f, 110g, 111a
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Offline pigeonhill

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Re: Re: eos M10 port
« Reply #171 on: 25 / June / 2022, 09:49:56 »
I think we are confusing things. I’m talking about an M100 ;-)
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Offline Ant

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Re: Re: eos M10 port
« Reply #172 on: 25 / June / 2022, 10:43:54 »
@pigeonhill
In theory you can create a fi2 file from M100 100a firmware dump but it's little bit risky.
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Offline pigeonhill

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Re: Re: eos M10 port
« Reply #173 on: 25 / June / 2022, 11:08:15 »
@Ant I’ve taken a punt on an M100, not knowing the firmware version. The only risk is I’ll need to send it back to the seller, ie postage cost.

Should arrive Monday: fingers crossed ;-)
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Offline c_joerg

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Re: Re: eos M10 port
« Reply #174 on: 25 / June / 2022, 14:03:40 »
Quote from: Ant on 25 / June / 2022, 08:14:17
Why M10 can not downgrade if M3 can downgrade?

We talking about the first Firmware of M100.

Quote from: Ant on 25 / June / 2022, 10:43:54
In theory you can create a fi2 file from M100 100a firmware dump but it's little bit risky.

Sure that it works?

A lot of offtopic for M10...
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M100 100a, M3 121a, G9x II (1.00c), 2*G1x (101a,100e), S110 (103a), SX50 (100c), SX230 (101a), S45,
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Offline Ant

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Re: Re: eos M10 port
« Reply #175 on: 25 / June / 2022, 15:05:54 »
Quote from: c_joerg on 25 / June / 2022, 14:03:40
Sure that it works?
Not sure. I have no FI2 keys for M100. Maybe @srsa_4c can help.
Also fi2enc utility need to be modified to generate fi2 file with multiple data blocks.
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Offline Caefix

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Re: Re: eos M10 port
« Reply #176 on: 25 / June / 2022, 15:35:58 »
Quote from: Caefix on 25 / June / 2022, 09:37:14
https://my.canon/en/support/0400540202
A ptp issue should be solved.
The first canon upgrade of M3, M10 and M100 have that in common.
If the differences are already known/extractable from the other ports, it might be easier to upgrade port then to risk Firmware´s downgrade.
&& Both ways will be more expensive than changing camera... :haha
 
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Offline srsa_4c

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Re: Re: eos M10 port
« Reply #177 on: 25 / June / 2022, 15:41:20 »
Quote from: Ant on 25 / June / 2022, 15:05:54
Also fi2enc utility need to be modified to generate fi2 file with multiple data blocks.
No, that would be unnecessary unless the aim is to possibly destroy the camera. It would be much easier to just reuse the updater extracted from FI2 (the part that runs from RAM) and replace its FI2 parser/flasher code with a custom flasher routine (one could flash back an older ROM dump, completely, leaving out just the bootloader).
I ported most of the 100a port to 110b, but I did not feel like releasing that due to the experimental and buggy nature of the port.

The reason there is still no official release is that I'm not satisfied with stability (and I wasn't working on it lately). For example, a r6048 based build just crashed on me, and it fails to mask the "jogdial" in ALT mode for some unknown reason.
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Offline Caefix

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Re: EOS M100 porting
« Reply #178 on: 25 / June / 2022, 16:18:30 »
Strange, my 6087 build is fine, jogdial too,
 6112 ... no function at all   :-[ , 1* green LED every 20 sec when trying to start...
« Last Edit: 25 / June / 2022, 16:42:10 by Caefix »
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Offline Ant

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Re: Re: eos M10 port
« Reply #179 on: 25 / June / 2022, 16:23:48 »
Quote from: srsa_4c on 25 / June / 2022, 15:41:20
It would be much easier to just reuse the updater extracted from FI2 (the part that runs from RAM) and replace its FI2 parser/flasher code with a custom flasher routine (one could flash back an older ROM dump, completely, leaving out just the bootloader).

As I see fi2enc can pack only one data block - the updater. But we also need at least one more for firmware dump(excluding user data, calibration data etc.)

Did you manage to unpack M1000110.FI2 ?
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