Scott Shawcroft 370d1dec88 SPI tweaks for SD Cards:
* Always init SPI to 250k to start for SD cards.
* Add ability to configure byte written during read.
* Add ability to read and write to portions of buffers like existing I2C API.
2017-02-10 05:09:17 -08:00
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2017-02-10 05:09:17 -08:00