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
	{
		BIT_8,
		BIT_16
	};

	enum class SpiBitOrder
	{
		MSB,
		LSB
	};

	enum class SpiBaudRatePrescaler
	{
		BRP_2,
		BRP_4,
		BRP_8,
		BRP_16,
		BRP_32,
		BRP_64,
		BRP_128,
		BRP_256
	};


	struct SpiSettings
	{
		SpiMode     mode;
		SpiDataSize dataSize;
		SpiBitOrder bitOrder;

		uint32_t    clkSpeed;
		SpiBaudRatePrescaler baudRatePrescaler; /**< Subject to change */
	};


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


#endif // STA_SPI_SETTINGS_HPP