sta-core/include/sta/spi_settings.hpp

#ifndef STA_SPI_SETTINGS_HPP
#define STA_SPI_SETTINGS_HPP

#include <cstdint>


namespace sta
{
	enum class SpiClkPolarity
	{
		LOW,
		HIGH
	};

	enum class SpiClkPhase
	{
		EDGE_1,
		EDGE_2
	};

	enum class SpiMode
	{
		MODE_0,
		MODE_1,
		MODE_2,
		MODE_3
	};

	enum class SpiDataSize
	{
		SIZE_8,
		SIZE_16
	};

	enum class SpiBitOrder
	{
		MSB,
		LSB
	};

	enum class SpiBaudRatePrescaler
	{
		DIV_2,
		DIV_4,
		DIV_8,
		DIV_16,
		DIV_32,
		DIV_64,
		DIV_128,
		DIV_256
	};


	struct SpiSettings
	{
		SpiMode     mode;
		SpiDataSize dataSize;
		SpiBitOrder bitOrder;
		uint32_t    clkSpeed;
	};


	SpiClkPolarity getSpiClkPolarity(SpiMode mode);
	SpiClkPhase    getSpiClkPhase(SpiMode mode);
	SpiMode        getSpiMode(SpiClkPolarity polarity, SpiClkPhase phase);
} // namespace sta


#endif // STA_SPI_SETTINGS_HPP