Improved read/write performances#5
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…ite speed increased by 4, read speed by 2. Check Readme.rst for benchmarks.
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Hi, I made some improvements on the library: updated to R0.10c and added assembly code to increase performances. I got 4.5x write speed and 1.8x read speed increase (4-bit mode). I added a small benchmark in Readme. I got up to 3.7MByte/sec write and 3.1MByte/sec read with a micro SDHC Class 10 memory card.