Updated MMC/SD SPI driver

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1826 42af7a65-404d-4744-a932-0658087f49c3
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patacongo 2009-05-26 16:07:25 +00:00
parent 40e96b18a9
commit 9a6912449c

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<h1><big><font color="#3c34ec"><i>NuttX RTOS</i></font></big></h1>
<p>Last Updated: May 23, 2009</p>
<p>Last Updated: May 26, 2009</p>
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@ -1424,7 +1424,10 @@ nuttx-0.4.7 2009-xx-xx Gregory Nutt &lt;spudmonkey@racsa.co.cr&gt;
* examples/nsh: Added MMC/SD support for the LM3S6918
* arch/arm/src/lm3s: Fix logic for setting and clearing output GPIOs (critical
fix!).
* drivers/mmcsd: Correct frequency calculation based on CSD settings.
* drivers/mmcsd: Found numerous errors in current MMC/SD SPI driver. Bad frequency
calculation based on CSD settings, inappropriate timeouts, odd code that looks like
a bad search and replace. Also needs support for SDHC ver 2.x. New MMC/SD is
largely redesigned and probably non-functional in the first check-in.
pascal-0.1.3 2009-xx-xx Gregory Nutt &lt;spudmonkey@racsa.co.cr&gt;