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SourceVuESP-IDF Framework and ExamplesESP-IDFesp_etm_channel_connect()

esp_etm_channel_connect() function

Connect an ETM event to an ETM task via a previously allocated ETM channel

Syntax

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Summary

Declaration

from esp_etm.h:110

esp_err_t esp_etm_channel_connect(esp_etm_channel_handle_t chan, esp_etm_event_handle_t event, esp_etm_task_handle_t task);

Arguments

Argument

Description

chan

ETM channel handle that created by `esp_etm_new_channel`

event

ETM event handle obtained from a driver/peripheral, e.g. `xxx_new_etm_event`

task

ETM task handle obtained from a driver/peripheral, e.g. `xxx_new_etm_task`

Return value

- ESP_OK: Connect ETM event and task to the channel successfully - ESP_ERR_INVALID_ARG: Connect ETM event and task to the channel failed because of invalid argument - ESP_FAIL: Connect ETM event and task to the channel failed because of other reasons

Notes

Setting the ETM event/task handle to NULL means to disconnect the channel from any event/task

Examples

esp_etm_channel_connect() is referenced by 1 libraries and example projects:

gptimer_capture_hc_sr04 sample

References

from 0/1 examples

Code

Location

esp_err_t esp_etm_channel_connect(esp_etm_channel_handle_t chan, esp_etm_event_handle_t event, esp_etm_task_handle_t task);

esp_etm.h:110

esp_etm_channel_connect() function

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Arguments

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esp_etm_channel_connect() function

Syntax

Arguments

Return value

Notes

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Examples

References

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Override Tree

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