atmega328p::usart Namespace Reference

USART interface definitions. More...

Enumerations
enum class	Mode : uint8_t { Asynchronous , Synchronous , MasterSPI }
	Peripheral operating modes. More...
enum class	DataBits : uint8_t {   Five = 5 , Six = 6 , Seven = 7 , Eight = 8 ,   Nine = 9 }
	USART frame data-bit counts. More...
enum class	Parity : uint8_t { Disabled , Even , Odd }
	USART parity modes. More...
enum class	StopBits : uint8_t { One = 1 , Two = 2 }
	USART frame stop-bit counts. More...
enum	: uint8_t {   module_count = 1U , module_number = 0U , rx_pin_value = 0x20U , tx_pin_value = 0x21U ,   xck_pin_value = 0x24U , baud_register_bits = 12U , async_oversampling = 16U , async_double_speed_oversampling = 8U ,   sync_clock_divisor = 2U , supports_full_duplex = 1 , supports_multiprocessor_mode = 1 , supports_double_speed_async = 1 ,   supports_master_spi_mode = 1 , supports_rx_complete_interrupt = 1 , supports_data_register_empty_interrupt = 1 , supports_tx_complete_interrupt = 1 }
enum	: uint16_t { baud_register_max = 4095U }

Detailed Description

USART interface definitions.

Enumeration Type Documentation

anonymous enum

anonymous enum : uint8_t

Enumerator
module_count	Number of USART controllers.
module_number	USART hardware index.
rx_pin_value	Logical RX pin (PD0).
tx_pin_value	Logical TX pin (PD1).
xck_pin_value	Logical Xck pin (PD4).
baud_register_bits	Baud-rate divisor register width.
async_oversampling	Samples per bit in asynchronous mode.
async_double_speed_oversampling	Samples per bit in double-speed mode.
sync_clock_divisor	Sync clock divisor.
supports_full_duplex	Full duplex supported.
supports_multiprocessor_mode	Multiprocessor mode supported.
supports_double_speed_async	Double speed async supported.
supports_master_spi_mode	Master SPI mode supported.
supports_rx_complete_interrupt	RX complete interrupt supported.
supports_data_register_empty_interrupt	Data register empty interrupt supported.
supports_tx_complete_interrupt	TX complete interrupt supported.

anonymous enum

anonymous enum : uint16_t

Enumerator
baud_register_max	Maximum baud-rate register value.

DataBits

enum class atmega328p::usart::DataBits : uint8_t

strong

USART frame data-bit counts.

Enumerator
Five	5 - 5 data bits.
Six	6 - 6 data bits.
Seven	7 - 7 data bits.
Eight	8 - 8 data bits.
Nine	9 - 9 data bits.

Mode

enum class atmega328p::usart::Mode : uint8_t

strong

Peripheral operating modes.

Enumerator
Asynchronous	Asynchronous serial communication.
Synchronous	Clocked synchronous communication.
MasterSPI	USART in SPI master mode.

Parity

enum class atmega328p::usart::Parity : uint8_t

strong

USART parity modes.

Enumerator
Disabled	No parity bit.
Even	Even parity.
Odd	Odd parity.

StopBits

enum class atmega328p::usart::StopBits : uint8_t

strong

USART frame stop-bit counts.

Enumerator
One	1 - One stop bit.
Two	2 - Two stop bits.