SPI MSB/LSB

[boulder]

Hi,
I have a question about SPI. I use setup_spi() to configure SPI, and I realizes that it does not have an option for MSB/LSB, transfer from b7/b0. So, I guess there is a default selection for it. Do you know which one is default? MSB or LSB?

Thanks.

[newguy]

I'm pretty sure that MSB first is the default. At least that's what works with my projects/code.

[ckielstra]

True, the SPI hardware transmits MSB first and this is the standard for most other SPI devices I know of.

In the V4 compiler you can configure a software SPI driver (#use SPI) which is configurable to sent MSB or LSB first

[boulder]

Thanks.