Hi Matt,

On May 9, 10:53 am, mattschinkel <[email protected]> wrote:
> I still don't get it. How will the SD card device know what mode to
> use? Don't you need to configure the sd card to use a different mode
> such as mode 00?
>

Sorry I am not better at communicating...  So far I know, devices that
support different SPI modes figure it out automatically.  It purpose
of spi_init() is to set registers inside the picmicro.

In your case, you would do something like this:

alias SD_FORCE_SPI_MODE_FUNCTION is spi_master_set_mode_11
include sd_card

In my case, where all devices use the same mode, I would just call
spi_init() once at the beginning of the program, and I would not
define SD_FORCE_SPI_MODE_FUNCTION, and so when I included sd_card,
your library will not mess with the mode at all.

William

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