usart_config Struct Reference

USART configuration struct.

Configuration options for USART.

#include <usart.h>

Data Fields
uint32_t	baudrate
	USART baudrate. More...
enum usart_character_size	character_size
	USART character size. More...
bool	clock_polarity_inverted
	USART Clock Polarity. More...
bool	collision_detection_enable
	Enable collision dection. More...
enum usart_dataorder	data_order
	USART bit order (MSB or LSB first) More...
bool	encoding_format_enable
	Enable IrDA encoding format. More...
uint32_t	ext_clock_freq
	External clock frequency in synchronous mode. More...
enum gclk_generator	generator_source
	GCLK generator source. More...
bool	immediate_buffer_overflow_notification
	Controls when the buffer overflow status bit is asserted when a buffer overflow occurs. More...
struct iso7816_config_t	iso7816_config
	Enable ISO7816 for smart card interfacing. More...
enum lin_master_break_length	lin_break_length
	LIN Master Break Length. More...
enum lin_master_header_delay	lin_header_delay
	LIN master header delay. More...
enum lin_node_type	lin_node
	LIN node type. More...
bool	lin_slave_enable
	Enable LIN Slave Support. More...
enum usart_signal_mux_settings	mux_setting
	USART pin out. More...
enum usart_parity	parity
	USART parity. More...
uint32_t	pinmux_pad0
	PAD0 pinmux. More...
uint32_t	pinmux_pad1
	PAD1 pinmux. More...
uint32_t	pinmux_pad2
	PAD2 pinmux. More...
uint32_t	pinmux_pad3
	PAD3 pinmux. More...
uint8_t	receive_pulse_length
	The minimum pulse length required for a pulse to be accepted by the IrDA receiver. More...
bool	receiver_enable
	Enable receiver. More...
enum rs485_guard_time	rs485_guard_time
	RS485 guard time. More...
bool	run_in_standby
	If true the USART will be kept running in Standby sleep mode. More...
enum usart_sample_adjustment	sample_adjustment
	USART sample adjustment. More...
enum usart_sample_rate	sample_rate
	USART sample rate. More...
bool	start_frame_detection_enable
	Enable start of frame dection. More...
enum usart_stopbits	stopbits
	Number of stop bits. More...
enum usart_transfer_mode	transfer_mode
	USART in asynchronous or synchronous mode. More...
bool	transmitter_enable
	Enable transmitter. More...
bool	use_external_clock
	States whether to use the external clock applied to the XCK pin. More...

uint32_t usart_config::baudrate

USART baudrate.

Referenced by _usart_set_config(), cdc_uart_init(), configure_console(), configure_serial_drv(), configure_usart(), main(), serial_bridge_init(), serial_console_init(), sio2host_init(), test_system_init(), uart_config(), usart_configure(), usart_configure_flowcontrol(), usart_get_config_defaults(), and usart_open().

enum usart_character_size usart_config::character_size

USART character size.

Referenced by _usart_set_config(), run_transfer_single_9bit_char_test(), uart_config(), usart_get_config_defaults(), and usart_init().

bool usart_config::clock_polarity_inverted

USART Clock Polarity.

If true, data changes on falling XCK edge and is sampled at rising edge. If false, data changes on rising XCK edge and is sampled at falling edge.

Referenced by _usart_set_config(), and usart_get_config_defaults().

bool usart_config::collision_detection_enable

Enable collision dection.

Referenced by _usart_set_config(), and usart_get_config_defaults().

enum usart_dataorder usart_config::data_order

USART bit order (MSB or LSB first)

Referenced by _usart_set_config(), and usart_get_config_defaults().

bool usart_config::encoding_format_enable

Enable IrDA encoding format.

Referenced by _usart_set_config(), and usart_get_config_defaults().

uint32_t usart_config::ext_clock_freq

External clock frequency in synchronous mode.

This must be set if use_external_clock is true.

Referenced by _usart_set_config(), and usart_get_config_defaults().

enum gclk_generator usart_config::generator_source

GCLK generator source.

Referenced by configure_serial_drv(), main(), serial_bridge_init(), uart_config(), usart_configure(), usart_configure_flowcontrol(), usart_get_config_defaults(), usart_init(), and usart_open().

bool usart_config::immediate_buffer_overflow_notification

Controls when the buffer overflow status bit is asserted when a buffer overflow occurs.

Referenced by _usart_set_config(), and usart_get_config_defaults().

struct iso7816_config_t usart_config::iso7816_config

Enable ISO7816 for smart card interfacing.

Referenced by _usart_set_config(), usart_get_config_defaults(), and usart_init().

enum lin_master_break_length usart_config::lin_break_length

LIN Master Break Length.

Referenced by _usart_set_config(), and usart_get_config_defaults().

enum lin_master_header_delay usart_config::lin_header_delay

LIN master header delay.

Referenced by _usart_set_config(), and usart_get_config_defaults().

enum lin_node_type usart_config::lin_node

LIN node type.

Referenced by _usart_set_config(), and usart_get_config_defaults().

bool usart_config::lin_slave_enable

Enable LIN Slave Support.

Referenced by _usart_set_config(), usart_get_config_defaults(), and usart_init().

enum usart_signal_mux_settings usart_config::mux_setting

USART pin out.

Referenced by _usart_set_config(), cdc_rx_init(), cdc_uart_init(), configure_console(), configure_serial_drv(), configure_usart(), main(), serial_bridge_init(), serial_console_init(), sio2host_init(), test_system_init(), uart_config(), usart_configure(), usart_configure_flowcontrol(), usart_get_config_defaults(), and usart_open().

enum usart_parity usart_config::parity

USART parity.

Referenced by _usart_set_config(), uart_config(), and usart_get_config_defaults().

uint32_t usart_config::pinmux_pad0

PAD0 pinmux.

If current USARTx has several alternative multiplexing I/O pins for PAD0, then only one peripheral multiplexing I/O can be enabled for current USARTx PAD0 function. Make sure that no other alternative multiplexing I/O is associated with the same USARTx PAD0.

Referenced by cdc_rx_init(), cdc_uart_init(), configure_console(), configure_serial_drv(), configure_usart(), main(), serial_bridge_init(), serial_console_init(), sio2host_init(), test_system_init(), uart_config(), usart_configure(), usart_configure_flowcontrol(), usart_get_config_defaults(), usart_init(), and usart_open().

uint32_t usart_config::pinmux_pad1

PAD1 pinmux.

If current USARTx has several alternative multiplexing I/O pins for PAD1, then only one peripheral multiplexing I/O can be enabled for current USARTx PAD1 function. Make sure that no other alternative multiplexing I/O is associated with the same USARTx PAD1.

Referenced by cdc_rx_init(), cdc_uart_init(), configure_console(), configure_serial_drv(), configure_usart(), main(), serial_bridge_init(), serial_console_init(), sio2host_init(), test_system_init(), uart_config(), usart_configure(), usart_configure_flowcontrol(), usart_get_config_defaults(), usart_init(), and usart_open().

uint32_t usart_config::pinmux_pad2

PAD2 pinmux.

If current USARTx has several alternative multiplexing I/O pins for PAD2, then only one peripheral multiplexing I/O can be enabled for current USARTx PAD2 function. Make sure that no other alternative multiplexing I/O is associated with the same USARTx PAD2.

Referenced by cdc_rx_init(), cdc_uart_init(), configure_console(), configure_serial_drv(), configure_usart(), main(), serial_bridge_init(), serial_console_init(), sio2host_init(), test_system_init(), uart_config(), usart_configure_flowcontrol(), usart_get_config_defaults(), usart_init(), and usart_open().

uint32_t usart_config::pinmux_pad3

PAD3 pinmux.

If current USARTx has several alternative multiplexing I/O pins for PAD3, then only one peripheral multiplexing I/O can be enabled for current USARTx PAD3 function. Make sure that no other alternative multiplexing I/O is associated with the same USARTx PAD3.

Referenced by cdc_rx_init(), cdc_uart_init(), configure_console(), configure_serial_drv(), configure_usart(), main(), serial_bridge_init(), serial_console_init(), sio2host_init(), test_system_init(), uart_config(), usart_configure_flowcontrol(), usart_get_config_defaults(), usart_init(), and usart_open().

uint8_t usart_config::receive_pulse_length

The minimum pulse length required for a pulse to be accepted by the IrDA receiver.

Referenced by _usart_set_config(), and usart_get_config_defaults().

bool usart_config::receiver_enable

Enable receiver.

Referenced by _usart_set_config(), usart_get_config_defaults(), and usart_init().

enum rs485_guard_time usart_config::rs485_guard_time

RS485 guard time.

Referenced by _usart_set_config(), and usart_get_config_defaults().

bool usart_config::run_in_standby

If true the USART will be kept running in Standby sleep mode.

Referenced by _usart_set_config(), and usart_get_config_defaults().

enum usart_sample_adjustment usart_config::sample_adjustment

USART sample adjustment.

Referenced by _usart_set_config(), and usart_get_config_defaults().

enum usart_sample_rate usart_config::sample_rate

USART sample rate.

Referenced by _usart_set_config(), and usart_get_config_defaults().

bool usart_config::start_frame_detection_enable

Enable start of frame dection.

Referenced by _usart_set_config(), usart_get_config_defaults(), and usart_init().

enum usart_stopbits usart_config::stopbits

Number of stop bits.

Referenced by _usart_set_config(), uart_config(), and usart_get_config_defaults().

enum usart_transfer_mode usart_config::transfer_mode

USART in asynchronous or synchronous mode.

Referenced by _usart_set_config(), and usart_get_config_defaults().

bool usart_config::transmitter_enable

Enable transmitter.

Referenced by _usart_set_config(), usart_get_config_defaults(), and usart_init().

bool usart_config::use_external_clock

States whether to use the external clock applied to the XCK pin.

In synchronous mode the shift register will act directly on the XCK clock. In asynchronous mode the XCK will be the input to the USART hardware module.

Referenced by _usart_set_config(), and usart_get_config_defaults().