Chapter 2. API Reference
Public Members
int baud_rate
UART baud rate
uart_word_length_t data_bits
UART byte size
uart_parity_t parity
UART parity mode
uart_stop_bits_t stop_bits
UART stop bits
uart_hw_flowcontrol_t flow_ctrl
UART HW flow control mode (cts/rts)
uint8_t rx_flow_ctrl_thresh
UART HW RTS threshold
uart_sclk_t source_clk
UART source clock selection
bool use_ref_tick
Deprecated method to select ref tick clock source, set source_clk field instead
Type Definitions
typedef int uart_port_t
UART port number, can be UART_NUM_0 ~ (UART_NUM_MAX -1).
Enumerations
enum uart_mode_t
UART mode selection.
Values:
UART_MODE_UART = 0x00
mode: regular UART mode
UART_MODE_RS485_HALF_DUPLEX = 0x01
mode: half duplex RS485 UART mode control by RTS pin
UART_MODE_IRDA = 0x02
mode: IRDA UART mode
UART_MODE_RS485_COLLISION_DETECT = 0x03
mode: RS485 collision detection UART mode (used for test purposes)
UART_MODE_RS485_APP_CTRL = 0x04
mode: application control RS485 UART mode (used for test purposes)
enum uart_word_length_t
UART word length constants.
Values:
UART_DATA_5_BITS = 0x0
word length: 5bits
UART_DATA_6_BITS = 0x1
word length: 6bits
UART_DATA_7_BITS = 0x2
word length: 7bits
UART_DATA_8_BITS = 0x3
word length: 8bits
Espressif Systems 477
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