i2s_channel_obj_t::msg_queue - syntax, references, description

References

Code

Location

Referrer

QueueHandle_t msg_queue; /*!< Message queue handler, used for transporting data between interrupt and read/write task */

i2s_private.h:175

new_chan->msg_queue = xQueueCreateWithCaps(desc_num - 1, sizeof(uint8_t *), I2S_MEM_ALLOC_CAPS);

i2s_common.c:334

i2s_register_channel()

ESP_GOTO_ON_FALSE(new_chan->msg_queue, ESP_ERR_NO_MEM, err, TAG, "No memory for message queue");

i2s_common.c:335

i2s_register_channel()

if (new_chan->msg_queue) {

i2s_common.c:366

i2s_register_channel()

vQueueDeleteWithCaps(new_chan->msg_queue);

i2s_common.c:367

i2s_register_channel()

if (xQueueIsQueueFullFromISR(handle->msg_queue)) {

i2s_common.c:685

i2s_dma_rx_callback()

xQueueReceiveFromISR(handle->msg_queue, &dummy, &need_yield1);

i2s_common.c:686

i2s_dma_rx_callback()

xQueueSendFromISR(handle->msg_queue, &(finish_desc->buf), &need_yield2);

i2s_common.c:693

i2s_dma_rx_callback()

if (xQueueIsQueueFullFromISR(handle->msg_queue)) {

i2s_common.c:730

i2s_dma_tx_callback()

xQueueReceiveFromISR(handle->msg_queue, &dummy, &need_yield1);

i2s_common.c:731

i2s_dma_tx_callback()

xQueueSendFromISR(handle->msg_queue, &(finish_desc->buf), &need_yield2);

i2s_common.c:741

i2s_dma_tx_callback()

if (handle->msg_queue) {

i2s_common.c:1073

i2s_del_channel()

vQueueDeleteWithCaps(handle->msg_queue);

i2s_common.c:1074

i2s_del_channel()

xQueueReset(handle->msg_queue);

i2s_common.c:1172

i2s_channel_enable()

if (xQueueReceive(handle->msg_queue, &(handle->dma.curr_ptr), pdMS_TO_TICKS(timeout_ms)) == pdFALSE) {

i2s_common.c:1290

i2s_channel_write()

if (xQueueReceive(handle->msg_queue, &(handle->dma.curr_ptr), pdMS_TO_TICKS(timeout_ms)) == pdFALSE) {

i2s_common.c:1335

i2s_channel_read()

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Data Use

i2s_channel_obj_t::msg_queue is written by 1 function and is read by 7 functions:

i2s_register_channel()

i2s_channel_obj_t::msg_queue

i2s_register_channel()

i2s_dma_rx_callback()

i2s_dma_tx_callback()

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i2s_channel_obj_t::msg_queue field

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