Function mynewt::hw::hal::hal_spi_config

pub unsafe extern "C" fn hal_spi_config(
    spi_num: c_int, 
    psettings: *mut hal_spi_settings
) -> c_int

Configure the spi. Must be called after the spi is initialized (after hal_spi_init is called) and when the spi is disabled (user must call hal_spi_disable if the spi has been enabled through hal_spi_enable prior to calling this function). Can also be used to reconfigure an initialized SPI (assuming it is disabled as described previously).

• spi_num: The number of the SPI to configure.
• psettings: The settings to configure this SPI with

Return: int 0 on success, non-zero error code on failure.