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SourceVuESP-IDF Framework and ExamplesESP-IDFTAG

TAG variable

Syntax

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Summary

Declaration

from i2s_std.c:27

const static char *TAG = "i2s_std";

References

Code

Location

Referrer

const static char *TAG = "i2s_std";

ESP_LOGW(TAG, "the current mclk multiple cannot perform integer division (slot_num: %"PRIu32", slot_bits: %"PRIu32")", handle->total_slot, slot_bits);

i2s_std_calculate_clock()

ESP_RETURN_ON_FALSE(clk_info->sclk / (float)clk_info->mclk > min_mclk_div, ESP_ERR_INVALID_ARG, TAG, "sample rate or mclk_multiple is too large for the current clock source");

i2s_std_calculate_clock()

(clk_cfg->mclk_multiple % 3 == 0), ESP_ERR_INVALID_ARG, TAG,

i2s_std_set_clock()

ESP_RETURN_ON_ERROR(i2s_std_calculate_clock(handle, clk_cfg, &clk_info), TAG, "clock calculate failed");

i2s_std_set_clock()

ESP_LOGD(TAG, "Clock division info: [sclk] %"PRIu32" Hz [mdiv] %d [mclk] %"PRIu32" Hz [bdiv] %d [bclk] %"PRIu32" Hz",

i2s_std_set_clock()

ESP_RETURN_ON_ERROR(i2s_free_dma_desc(handle), TAG, "failed to free the old dma descriptor");

i2s_std_set_slot()

TAG, "allocate memory for dma descriptor failed");

i2s_std_set_slot()

ESP_ERR_INVALID_ARG, TAG, "bclk invalid");

i2s_std_set_gpio()

ESP_ERR_INVALID_ARG, TAG, "ws invalid");

i2s_std_set_gpio()

ESP_RETURN_ON_ERROR(i2s_check_set_mclk(handle, id, gpio_cfg->mclk, std_cfg->clk_cfg.clk_src, gpio_cfg->invert_flags.mclk_inv), TAG, "mclk config failed");

i2s_std_set_gpio()

esp_log_level_set(TAG, ESP_LOG_DEBUG);

i2s_channel_init_std_mode()

I2S_NULL_POINTER_CHECK(TAG, handle);

i2s_channel_init_std_mode()

ESP_GOTO_ON_FALSE(handle->mode_info, ESP_ERR_NO_MEM, err, TAG, "no memory for storing the configurations");

i2s_channel_init_std_mode()

ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_REGISTER, ESP_ERR_INVALID_STATE, err, TAG, "the channel has initialized already");

i2s_channel_init_std_mode()

ESP_GOTO_ON_ERROR(i2s_std_set_slot(handle, &std_cfg->slot_cfg), err, TAG, "initialize channel failed while setting slot");

i2s_channel_init_std_mode()

ESP_GOTO_ON_ERROR(i2s_std_set_clock(handle, &std_cfg->clk_cfg), err, TAG, "initialize channel failed while setting clock");

i2s_channel_init_std_mode()

ESP_GOTO_ON_ERROR(i2s_std_set_gpio(handle, &std_cfg->gpio_cfg), err, TAG, "initialize channel failed while setting gpio pins");

i2s_channel_init_std_mode()

ESP_GOTO_ON_ERROR(i2s_init_dma_intr(handle, I2S_INTR_ALLOC_FLAGS), err, TAG, "initialize dma interrupt failed");

i2s_channel_init_std_mode()

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

i2s_channel_init_std_mode()

ESP_LOGD(TAG, "The %s channel on I2S%d has been initialized to STD mode successfully",

i2s_channel_init_std_mode()

I2S_NULL_POINTER_CHECK(TAG, handle);

i2s_channel_reconfig_std_clock()

I2S_NULL_POINTER_CHECK(TAG, clk_cfg);

i2s_channel_reconfig_std_clock()

ESP_GOTO_ON_FALSE(handle->mode == I2S_COMM_MODE_STD, ESP_ERR_INVALID_ARG, err, TAG, "this handle is not working in standard mode");

i2s_channel_reconfig_std_clock()

ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "invalid state, I2S should be disabled before reconfiguring the clock");

i2s_channel_reconfig_std_clock()

ESP_GOTO_ON_FALSE(std_cfg, ESP_ERR_INVALID_STATE, err, TAG, "initialization not complete");

i2s_channel_reconfig_std_clock()

ESP_GOTO_ON_ERROR(i2s_std_set_clock(handle, clk_cfg), err, TAG, "update clock failed");

i2s_channel_reconfig_std_clock()

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

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_channel_reconfig_std_clock()

I2S_NULL_POINTER_CHECK(TAG, handle);

i2s_channel_reconfig_std_slot()

I2S_NULL_POINTER_CHECK(TAG, slot_cfg);

i2s_channel_reconfig_std_slot()

ESP_GOTO_ON_FALSE(handle->mode == I2S_COMM_MODE_STD, ESP_ERR_INVALID_ARG, err, TAG, "this handle is not working in standard mode");

i2s_channel_reconfig_std_slot()

ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "invalid state, I2S should be disabled before reconfiguring the slot");

i2s_channel_reconfig_std_slot()

ESP_GOTO_ON_FALSE(std_cfg, ESP_ERR_INVALID_STATE, err, TAG, "initialization not complete");

i2s_channel_reconfig_std_slot()

ESP_GOTO_ON_ERROR(i2s_std_set_slot(handle, slot_cfg), err, TAG, "set i2s standard slot failed");

i2s_channel_reconfig_std_slot()

ESP_GOTO_ON_ERROR(i2s_std_set_clock(handle, &std_cfg->clk_cfg), err, TAG, "update clock failed");

i2s_channel_reconfig_std_slot()

I2S_NULL_POINTER_CHECK(TAG, handle);

i2s_channel_reconfig_std_gpio()

I2S_NULL_POINTER_CHECK(TAG, gpio_cfg);

i2s_channel_reconfig_std_gpio()

ESP_GOTO_ON_FALSE(handle->mode == I2S_COMM_MODE_STD, ESP_ERR_INVALID_ARG, err, TAG, "This handle is not working in standard mode");

i2s_channel_reconfig_std_gpio()

ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "Invalid state, I2S should be disabled before reconfiguring the gpio");

i2s_channel_reconfig_std_gpio()

ESP_GOTO_ON_ERROR(i2s_std_set_gpio(handle, gpio_cfg), err, TAG, "set i2s standard slot failed");

i2s_channel_reconfig_std_gpio()

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Data Use

TAG is read by 8 functions:

TAG

i2s_std_calculate_clock()

i2s_std_set_clock()

i2s_std_set_slot()

i2s_std_set_gpio()

i2s_channel_init_std_mode()

i2s_channel_reconfig_std_clock()

i2s_channel_reconfig_std_slot()

i2s_channel_reconfig_std_gpio()

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