Fledex.Driver.Impl.Spi.Utils (fledex v0.8.0)

Utility functions for the SPI drivers

Summary

Functions

Clears number leds at startup if the clear_leds: <number> option was specified in the config.

This function defines the default SPI configureation that can be used by concrete implementations. See Fledex.Driver.Impl.Spi for details.

open_spi(config)

Opens the SPI port with the configuration and returns the reference

Functions

clear_leds(count, config, clear_func)

@spec clear_leds(
  count ::
    non_neg_integer() | {count :: non_neg_integer(), color :: non_neg_integer()},
  config :: keyword(),
  clear_func :: ([Fledex.Color.Types.colorint()], pos_integer(), keyword() ->
                   {keyword(), any()})
) :: keyword()

Clears number leds at startup if the clear_leds: <number> option was specified in the config.

default_spi_config(config)

@spec default_spi_config(keyword()) :: keyword()

This function defines the default SPI configureation that can be used by concrete implementations. See Fledex.Driver.Impl.Spi for details.

open_spi(config)

@spec open_spi(keyword()) :: reference()

Opens the SPI port with the configuration and returns the reference