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SourceVuESP-IDF Framework and ExamplesESP-IDFdac_priv_deregister_channel()

dac_priv_deregister_channel() function

Deregister dac channel in the driver

Syntax

Show:

Summary

Declaration

Definition

from dac_priv_common.h:50

esp_err_t dac_priv_deregister_channel(dac_channel_t chan_id);

Implemented in dac_common.c:53

Arguments

Argument

Description

chan_id

DAC channel id

Return value

- ESP_ERR_INVALID_STATE The channel has been freed - ESP_ERR_INVALID_ARG The channel id is incorrect - ESP_OK Deregister the channel success

References

Code

Location

Referrer

esp_err_t dac_priv_deregister_channel(dac_channel_t chan_id)

dac_common.c:53

esp_err_t dac_priv_deregister_channel(dac_channel_t chan_id);

dac_priv_common.h:50

dac_priv_deregister_channel(i);

dac_continuous.c:278

dac_continuous_new_channels()

dac_priv_deregister_channel(i);

dac_continuous.c:321

dac_continuous_del_channels()

ESP_RETURN_ON_ERROR(dac_priv_deregister_channel(handle->cfg.chan_id), TAG,

dac_cosine.c:96

dac_cosine_del_channel()

dac_priv_deregister_channel(oneshot_cfg->chan_id);

dac_oneshot.c:52

dac_oneshot_new_channel()

ESP_RETURN_ON_ERROR(dac_priv_deregister_channel(handle->cfg.chan_id), TAG, "deregister dac channel %d failed", handle->cfg.chan_id);

dac_oneshot.c:64

dac_oneshot_del_channel()

Call Tree

dac_priv_deregister_channel() is called by 5 functions and calls 2 functions:

dac_oneshot_new_channel()

dac_oneshot_del_channel()

dac_cosine_del_channel()

dac_continuous_new_channels()

dac_continuous_del_channels()

dac_priv_deregister_channel()

esp_log_timestamp()

esp_log_write()

Data Use

dac_priv_deregister_channel() reads 9 variables and writes 2 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

dac_channel_info_t::in_use

dac_channel_info_t::is_enabled

dac_priv_deregister_channel()

dac_channel_info_t::in_use

dac_channel_info_t::mode

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Lifecycle

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