i2s_channel_obj_t::pm_lock - syntax, references, description

References

Code

Location

Referrer

esp_pm_lock_handle_t pm_lock; /*!< Power management lock, to avoid apb clock frequency changes while i2s is working */

i2s_private.h:173

new_chan->pm_lock = NULL; // Init in i2s_set_clock according to clock source

i2s_common.c:332

i2s_register_channel()

if (handle->pm_lock) {

i2s_common.c:1060

i2s_del_channel()

esp_pm_lock_delete(handle->pm_lock);

i2s_common.c:1061

i2s_del_channel()

esp_pm_lock_acquire(handle->pm_lock);

i2s_common.c:1167

i2s_channel_enable()

esp_pm_lock_release(handle->pm_lock);

i2s_common.c:1204

i2s_channel_disable()

ESP_RETURN_ON_ERROR(esp_pm_lock_create(pm_type, 0, "i2s_driver", &handle->pm_lock), TAG, "I2S pm lock create failed");

i2s_pdm.c:205

i2s_channel_init_pdm_tx_mode()

ESP_GOTO_ON_ERROR(esp_pm_lock_delete(handle->pm_lock), err, TAG, "I2S delete old pm lock failed");

i2s_pdm.c:250

i2s_channel_reconfig_pdm_tx_clock()

ESP_GOTO_ON_ERROR(esp_pm_lock_create(pm_type, 0, "i2s_driver", &handle->pm_lock), err, TAG, "I2S pm lock create failed");

i2s_pdm.c:257

i2s_channel_reconfig_pdm_tx_clock()

ESP_RETURN_ON_ERROR(esp_pm_lock_create(pm_type, 0, "i2s_driver", &handle->pm_lock), TAG, "I2S pm lock create failed");

i2s_pdm.c:496

i2s_channel_init_pdm_rx_mode()

ESP_GOTO_ON_ERROR(esp_pm_lock_delete(handle->pm_lock), err, TAG, "I2S delete old pm lock failed");

i2s_pdm.c:541

i2s_channel_reconfig_pdm_rx_clock()

ESP_GOTO_ON_ERROR(esp_pm_lock_create(pm_type, 0, "i2s_driver", &handle->pm_lock), err, TAG, "I2S pm lock create failed");

i2s_pdm.c:548

i2s_channel_reconfig_pdm_rx_clock()

ESP_RETURN_ON_ERROR(esp_pm_lock_create(pm_type, 0, "i2s_driver", &handle->pm_lock), TAG, "I2S pm lock create failed");

i2s_std.c:248

i2s_channel_init_std_mode()

ESP_GOTO_ON_ERROR(esp_pm_lock_delete(handle->pm_lock), err, TAG, "I2S delete old pm lock failed");

i2s_std.c:294

i2s_channel_reconfig_std_clock()

ESP_GOTO_ON_ERROR(esp_pm_lock_create(pm_type, 0, "i2s_driver", &handle->pm_lock), err, TAG, "I2S pm lock create failed");

i2s_std.c:301

i2s_channel_reconfig_std_clock()

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Data Use

i2s_channel_obj_t::pm_lock is written by 1 function and is read by 6 functions:

i2s_register_channel()

i2s_channel_obj_t::pm_lock

i2s_del_channel()

i2s_channel_enable()

i2s_channel_disable()

i2s_channel_reconfig_std_clock()

i2s_channel_reconfig_pdm_tx_clock()

i2s_channel_reconfig_pdm_rx_clock()

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i2s_channel_obj_t::pm_lock field

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