uart_get_buffered_data_len() function

UART get RX ring buffer cached data length

Syntax

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Summary

Declaration

Definition

esp_err_t uart_get_buffered_data_len(uart_port_t uart_num, size_t* size);

Implemented in uart.c:1559

Argument

Description

uart_num

UART port number, the max port number is (UART_NUM_MAX -1).

size

Pointer of size_t to accept cached data length

- ESP_OK Success - ESP_FAIL Parameter error

uart_get_buffered_data_len() is referenced by 5 libraries and example projects:

from examples