i2s_dma_t::curr_ptr - syntax, references, description

References

Code

Location

Referrer

volatile void *curr_ptr;

i2s_legacy.c:124

void *curr_ptr; /*!< Pointer to current dma buffer */

i2s_private.h:123

new_chan->dma.curr_ptr = NULL;

i2s_common.c:346

i2s_register_channel()

handle->dma.curr_ptr = NULL;

i2s_common.c:1199

i2s_channel_disable()

tx_handle->dma.curr_ptr = (void *)tx_handle->dma.desc[0]->buf;

i2s_common.c:1230

i2s_channel_preload_data()

memcpy((uint8_t *)(tx_handle->dma.curr_ptr + tx_handle->dma.rw_pos), data_ptr, bytes_can_load);

i2s_common.c:1243

i2s_channel_preload_data()

tx_handle->dma.curr_ptr = (void *)(((lldesc_t *)tx_handle->dma.curr_desc)->buf);

i2s_common.c:1258

i2s_channel_preload_data()

if (handle->dma.rw_pos == handle->dma.buf_size || handle->dma.curr_ptr == NULL) {

i2s_common.c:1289

i2s_channel_write()

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

i2s_common.c:1290

i2s_channel_write()

data_ptr = (char *)handle->dma.curr_ptr;

i2s_common.c:1296

i2s_channel_write()

if (handle->dma.rw_pos == handle->dma.buf_size || handle->dma.curr_ptr == NULL) {

i2s_common.c:1334

i2s_channel_read()

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

i2s_common.c:1335

i2s_channel_read()

data_ptr = (uint8_t *)handle->dma.curr_ptr;

i2s_common.c:1341

i2s_channel_read()

p_i2s[i2s_num]->tx->curr_ptr = NULL;

i2s_legacy.c:398

i2s_tx_reset()

p_i2s[i2s_num]->rx->curr_ptr = NULL;

i2s_legacy.c:416

i2s_rx_reset()

if (p_i2s[i2s_num]->tx->rw_pos == p_i2s[i2s_num]->tx->buf_size || p_i2s[i2s_num]->tx->curr_ptr == NULL) {

i2s_legacy.c:1707

i2s_write()

if (xQueueReceive(p_i2s[i2s_num]->tx->queue, &p_i2s[i2s_num]->tx->curr_ptr, ticks_to_wait) == pdFALSE) {

i2s_legacy.c:1708

i2s_write()

ESP_LOGD(TAG, "size: %d, rw_pos: %d, buf_size: %d, curr_ptr: %p", size, p_i2s[i2s_num]->tx->rw_pos, p_i2s[i2s_num]->tx->buf_size, p_i2s[i2s_num]->tx->curr_ptr);

i2s_legacy.c:1713

i2s_write()

data_ptr = (char *)p_i2s[i2s_num]->tx->curr_ptr;

i2s_legacy.c:1714

i2s_write()

if (p_i2s[i2s_num]->tx->rw_pos == p_i2s[i2s_num]->tx->buf_size || p_i2s[i2s_num]->tx->curr_ptr == NULL) {

i2s_legacy.c:1773

i2s_write_expand()

if (xQueueReceive(p_i2s[i2s_num]->tx->queue, &p_i2s[i2s_num]->tx->curr_ptr, ticks_to_wait) == pdFALSE) {

i2s_legacy.c:1774

i2s_write_expand()

data_ptr = (char *)p_i2s[i2s_num]->tx->curr_ptr;

i2s_legacy.c:1779

i2s_write_expand()

if (p_i2s[i2s_num]->rx->rw_pos == p_i2s[i2s_num]->rx->buf_size || p_i2s[i2s_num]->rx->curr_ptr == NULL) {

i2s_legacy.c:1818

i2s_read()

if (xQueueReceive(p_i2s[i2s_num]->rx->queue, &p_i2s[i2s_num]->rx->curr_ptr, ticks_to_wait) == pdFALSE) {

i2s_legacy.c:1819

i2s_read()

data_ptr = (char *)p_i2s[i2s_num]->rx->curr_ptr;

i2s_legacy.c:1824

i2s_read()

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Data Use

i2s_dma_t::curr_ptr is written by 5 functions and is read by 6 functions:

i2s_tx_reset()

i2s_rx_reset()

i2s_register_channel()

i2s_channel_disable()

i2s_channel_preload_data()

i2s_dma_t::curr_ptr

i2s_write()

i2s_write_expand()

i2s_read()

i2s_channel_preload_data()

i2s_channel_write()

i2s_channel_read()

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i2s_dma_t::curr_ptr field

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