On Mon, Mar 30, 2015 at 04:42:56PM +1300, IVP wrote:
> I had a closer look at the DO low. At the first byte of the CMD0
> (0x40+0000) the card appears to send back "Illegal command".
>=20
> I might be wrong and it might be irrelevant
>=20
> Working through the numerous datasheets looking for references,
> explanations and nuances
>=20
> The power-up sequence says to keep "74 clocks" under 1ms, so
> I shortened that time, which was nudging 1ms. I wonder though
> if that makes a difference when the card is already powered up
>=20
> http://home.clear.net.nz/pages/joecolquitt/r1_04.gif

Oh, I thought I saw DO not going low in the failure case.  Has this
changed?

> Also, whilst searching for sdhc 74 clocks, just to see if there were
> any useful hints, Google and Firefox returned a result for the pics I
> posted yesterday, and quite near the top. The really odd / creepy
> thing is that the result includes a snippet of my dsPIC code, which
> is definitely not in the simple HTML I wrote for that page
>=20
> http://home.clear.net.nz/pages/joecolquitt/google.gif

Google relates the URL of the image to copies of mail that Gmail users
have received from PIClist, which have included snippets of your code.

The correlation is reasonable.

Your search results can also be biased by past searches, using cookies
kept by your browser.  To get around that, do your search in Firefox
using File, New Private Window.

--=20
James Cameron
http://quozl.linux.org.au/
--=20
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