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SourceVuESP-IDF Framework and ExamplesESP-IDFuart_get_wakeup_threshold()

uart_get_wakeup_threshold() function

Get the number of RX pin signal edges for light sleep wakeup. See description of uart_set_wakeup_threshold for the explanation of UART wakeup feature.

Syntax

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Summary

Declaration

Definition

from uart.h:820

esp_err_t uart_get_wakeup_threshold(uart_port_t uart_num, int* out_wakeup_threshold);

Implemented in uart.c:1956

Arguments

Argument

Description

uart_num

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

out_wakeup_threshold

output, set to the current value of wakeup threshold for the given UART.

Return value

- ESP_OK on success - ESP_ERR_INVALID_ARG if out_wakeup_threshold is NULL

References

Code

Location

esp_err_t uart_get_wakeup_threshold(uart_port_t uart_num, int *out_wakeup_threshold)

uart.c:1956

esp_err_t uart_get_wakeup_threshold(uart_port_t uart_num, int* out_wakeup_threshold);

uart.h:820

Call Tree

uart_get_wakeup_threshold() calls 3 functions:

uart_get_wakeup_threshold()

esp_log_timestamp()

esp_log_write()

uart_hal_get_wakeup_thrd()

Data Use

uart_get_wakeup_threshold() reads 9 variables:

esp_log_level_t::ESP_LOG_ERROR

esp_log_level_t::ESP_LOG_WARN

esp_log_level_t::ESP_LOG_INFO

esp_log_level_t::ESP_LOG_DEBUG

esp_log_level_t::ESP_LOG_VERBOSE

uart_port_t::UART_NUM_MAX

UART_TAG

uart_context_t::hal

uart_context

uart_get_wakeup_threshold()

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