I seem to have gotten my device into a state where I can't flash any new firmware. Right now my version string (disk status) is "73,sd2iec v1.0.0.1ALPHA0,00,00"; I believe this version resulted from me flashing something identical to commit aa8395c in sd2iec, except that I bumped the fix number to 1.
I've tried flashing several other firmwares:1. additional small modifications to aa8395c2. official release sd2iec-0.10.3-uIEC3-m1281.bin3. official alpha sd2iec-1.0.0alpha0-98-gaa8395c-uIEC3-m1281.bin4. h2obsession's old fast-serial version uIEC-firmware-0.8.291.bin
Any idea how I can get it working again?
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Eric Christopherson
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On 7/8/2016 9:08 AM, Eric Christopherson wrote:
Try bumping to .2 fix level and try again.I seem to have gotten my device into a state where I can't flash any new firmware. Right now my version string (disk status) is "73,sd2iec v1.0.0.1ALPHA0,00,00"; I believe this version resulted from me flashing something identical to commit aa8395c in sd2iec, except that I bumped the fix number to 1.
It should not matter, but if it works, then we will have another data point to consider.
THe bootloader should flash the first file it finds that is either a dev version (all 0s for version number) or a higher version than the current one. So, no matter what, the bootloader should take alpha firmware at all times.
Jim
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I've tried flashing several other firmwares:1. additional small modifications to aa8395c2. official release sd2iec-0.10.3-uIEC3-m1281.bin3. official alpha sd2iec-1.0.0alpha0-98-gaa8395c-uIEC3-m1281.bin4. h2obsession's old fast-serial version uIEC-firmware-0.8.291.bin
Any idea how I can get it working again?
--
Eric Christopherson
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I've been using usb_modeswitch (Linux command) to power-cycle the hub the uIEC is hooked up to, after writing the firmware. I'm writing the firmware onto a FlashAir card I just got, via wifi. Probably something isn't behaving correctly with one of those steps in the chain; I will have to really investigate once I get home.
On Sat, Jul 09, 2016, Ingo Korb wrote:
> Eric Christopherson writes:
>
> > Slightly off the subject: what would cause the "alpha0" in the
> > Makefile.main to get converted to all-caps (= all graphics chars when
> > viewing files from a Commodore)?
>
> The C64's character set (usually called PETSCII) differs from ASCII; to
> a first-order approximation, the upper- and lower-case characters are
> swapped. It's annoying to correct that at compile-time with either make or
> the C preprocessor; so, the string just is passed along as-is.
Yes, I understand that. But, I could have sworn the first time I
installed an alpha firmware, the word alpha was in lower case; that is
no longer true; so, I wondered what made the difference.
> That string might have been converted from upper-case ASCII to lower-case
> ASCII.
Yes, clearly. I just wasn't sure if that was done automatically as part of
the make process, or if Ingo (or whoever uploaded the binary I installed)
converted it outside of the process that's in the official repository.
--
Eric Christopherson
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