What is the replacement of SPI.setBitOrder()？

[sdwhsrw]

Need this function but it’s marked as deprecated in source code.

[earlephilhower]

That function has been deprecated by the Arduino guys for a long time.

This function should not be used in new projects. Use SPISettings. with SPI.beginTransaction(). to configure SPI parameters.

The proper way is to pass in the appropriately configured SPISettings to SPI.beginTransaction() which defines the clock, bit order, and mode.