SPI support for AVR MCU. More...

#include "boards/board.h"
#include "gpio.h"

Include dependency graph for spi.h:

This graph shows which files directly or indirectly include this file:

Classes
class	spi::AbstractSPIDevice
	Contain general payload transfer API for an SPI device. More...

class	spi::SPIDevice< CS, CS_MODE, RATE, MODE, ORDER >
	Base class for any SPI slave device. More...

Namespaces
namespace	spi
	Define API to define and manage SPI devices.

Enumerations
enum class	spi::ClockRate : uint8_t { CLOCK_DIV_4 = 0x00 , CLOCK_DIV_16 = 0x01 , CLOCK_DIV_64 = 0x02 , CLOCK_DIV_128 = 0x03 , CLOCK_DIV_2 = 0x10 , CLOCK_DIV_8 = 0x11 , CLOCK_DIV_32 = 0x12 }
	Define SPI clock rate as a divider of MCU clock frequency. More...

enum class	spi::DataOrder : uint8_t { spi::MSB_FIRST = 0 , spi::LSB_FIRST = bits::BV8(DORD) }
	Bit ordering per byte. More...

enum class	spi::Mode : uint8_t { spi::MODE_0 = 0 , spi::MODE_1 = bits::BV8(CPHA) , spi::MODE_2 = bits::BV8(CPOL) , spi::MODE_3 = bits::BV8(CPHA, CPOL) }
	SPI transmission mode. More...

enum class	spi::ChipSelect : uint8_t { spi::ACTIVE_LOW = 0 , spi::ACTIVE_HIGH = 1 }
	Active polarity of slave selection pin. More...

Functions
void	spi::init ()
	This function must be called once in your program, before any use of an SPI device. More...

constexpr ClockRate	spi::compute_clockrate (uint32_t frequency)
	Calculate `ClockRate` for the given `frequency`. More...

Detailed Description

SPI support for AVR MCU.

Definition in file spi.h.

Classes