atmega328p::spi Namespace Reference

SPI interface definitions. More...

Enumerations
enum class	Mode : uint8_t { Mode0 = 0 , Mode1 = 1 , Mode2 = 2 , Mode3 = 3 }
	Peripheral operating modes. More...
enum class	BitOrder : uint8_t { MostSignificantFirst , LeastSignificantFirst }
	SPI bit-transfer order. More...
enum class	Role : uint8_t { Master , Slave }
	SPI controller roles. More...
enum class	ClockDivider : uint16_t {   Divide2 = 2 , Divide4 = 4 , Divide8 = 8 , Divide16 = 16 ,   Divide32 = 32 , Divide64 = 64 , Divide128 = 128 }
	Supported SPI clock divisors. More...
enum	: uint8_t {   module_count = 1U , data_width_bits = 8U , ss_pin_value = 0x02U , mosi_pin_value = 0x03U ,   miso_pin_value = 0x04U , sck_pin_value = 0x05U , clock_divisor_count = 7U , supports_full_duplex = 1 ,   supports_master_and_slave = 1 , supports_lsb_first = 1 , supports_msb_first = 1 , supports_double_speed = 1 }

Detailed Description

SPI interface definitions.

Enumeration Type Documentation

anonymous enum

anonymous enum : uint8_t

Enumerator
module_count	Number of module.
data_width_bits	Data width width (bits).
ss_pin_value	Ss logical pin encoding.
mosi_pin_value	Mosi logical pin encoding.
miso_pin_value	Miso logical pin encoding.
sck_pin_value	Sck logical pin encoding.
clock_divisor_count	Number of clock divisor.
supports_full_duplex	Full duplex supported.
supports_master_and_slave	Master and slave supported.
supports_lsb_first	Lsb first supported.
supports_msb_first	Msb first supported.
supports_double_speed	Double speed supported.

BitOrder

enum class atmega328p::spi::BitOrder : uint8_t

strong

SPI bit-transfer order.

Enumerator
MostSignificantFirst	Transmit most-significant bit first.
LeastSignificantFirst	Transmit least-significant bit first.

ClockDivider

enum class atmega328p::spi::ClockDivider : uint16_t

strong

Supported SPI clock divisors.

Enumerator
Divide2	2 - Divide SPI clock by 2.
Divide4	4 - Divide SPI clock by 4.
Divide8	8 - Divide SPI clock by 8.
Divide16	16 - Divide SPI clock by 16.
Divide32	32 - Divide SPI clock by 32.
Divide64	64 - Divide SPI clock by 64.
Divide128	128 - Divide SPI clock by 128.

Mode

enum class atmega328p::spi::Mode : uint8_t

strong

Peripheral operating modes.

Enumerator
Mode0	0 - CPOL=0, CPHA=0.
Mode1	1 - CPOL=0, CPHA=1.
Mode2	2 - CPOL=1, CPHA=0.
Mode3	3 - CPOL=1, CPHA=1.

Role

enum class atmega328p::spi::Role : uint8_t

strong

SPI controller roles.

Enumerator
Master	Controller provides SPI clock.
Slave	Peripheral receives SPI clock.