uart_flush_input() function

Clear input buffer, discard all the data is in the ring-buffer.

Syntax

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Summary

Declaration

Definition

Implemented in uart.c:1580

Argument

Description

uart_num

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

- ESP_OK Success - ESP_FAIL Parameter error

In order to send all the data in tx FIFO, we can use uart_wait_tx_done function.

uart_flush_input() is referenced by 7 libraries and example projects:

from examples