uart_set_rx_full_threshold() function

Set uart threshold value for RX fifo full

Syntax

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Summary

Declaration

Definition

esp_err_t uart_set_rx_full_threshold(uart_port_t uart_num, int threshold);

Implemented in uart.c:1882

Argument

Description

uart_num

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

threshold

Threshold value above which RX fifo full interrupt is generated

- ESP_OK Success - ESP_ERR_INVALID_ARG Parameter error - ESP_ERR_INVALID_STATE Driver is not installed

If application is using higher baudrate and it is observed that bytes in hardware RX fifo are overwritten then this threshold can be reduced

from examples