i2s_dma_t::rw_pos - syntax, references, description

References

Code

Location

Referrer

volatile int rw_pos;

i2s_legacy.c:123

uint32_t rw_pos; /*!< reading/writing pointer position */

i2s_private.h:122

new_chan->dma.rw_pos = 0;

i2s_common.c:345

i2s_register_channel()

handle->dma.rw_pos = 0;

i2s_common.c:1201

i2s_channel_disable()

tx_handle->dma.rw_pos = 0;

i2s_common.c:1231

i2s_channel_preload_data()

size_t bytes_can_load = remain_bytes > (tx_handle->dma.buf_size - tx_handle->dma.rw_pos) ?

i2s_common.c:1236

i2s_channel_preload_data()

(tx_handle->dma.buf_size - tx_handle->dma.rw_pos) : remain_bytes;

i2s_common.c:1237

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.rw_pos += bytes_can_load; // Move forward the dma buffer position

i2s_common.c:1250

i2s_channel_preload_data()

if (tx_handle->dma.rw_pos == tx_handle->dma.buf_size) {

i2s_common.c:1252

i2s_channel_preload_data()

tx_handle->dma.rw_pos = 0;

i2s_common.c:1259

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()

handle->dma.rw_pos = 0;

i2s_common.c:1294

i2s_channel_write()

data_ptr += handle->dma.rw_pos;

i2s_common.c:1297

i2s_channel_write()

bytes_can_write = handle->dma.buf_size - handle->dma.rw_pos;

i2s_common.c:1298

i2s_channel_write()

handle->dma.rw_pos += bytes_can_write;

i2s_common.c:1308

i2s_channel_write()

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

i2s_common.c:1334

i2s_channel_read()

handle->dma.rw_pos = 0;

i2s_common.c:1339

i2s_channel_read()

data_ptr += handle->dma.rw_pos;

i2s_common.c:1342

i2s_channel_read()

bytes_can_read = handle->dma.buf_size - handle->dma.rw_pos;

i2s_common.c:1343

i2s_channel_read()

handle->dma.rw_pos += bytes_can_read;

i2s_common.c:1350

i2s_channel_read()

p_i2s[i2s_num]->tx->rw_pos = 0;

i2s_legacy.c:399

i2s_tx_reset()

p_i2s[i2s_num]->rx->rw_pos = 0;

i2s_legacy.c:417

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()

p_i2s[i2s_num]->tx->rw_pos = 0;

i2s_legacy.c:1711

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 += p_i2s[i2s_num]->tx->rw_pos;

i2s_legacy.c:1715

i2s_write()

bytes_can_write = p_i2s[i2s_num]->tx->buf_size - p_i2s[i2s_num]->tx->rw_pos;

i2s_legacy.c:1716

i2s_write()

p_i2s[i2s_num]->tx->rw_pos += bytes_can_write;

i2s_legacy.c:1726

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()

p_i2s[i2s_num]->tx->rw_pos = 0;

i2s_legacy.c:1777

i2s_write_expand()

data_ptr += p_i2s[i2s_num]->tx->rw_pos;

i2s_legacy.c:1780

i2s_write_expand()

bytes_can_write = p_i2s[i2s_num]->tx->buf_size - p_i2s[i2s_num]->tx->rw_pos;

i2s_legacy.c:1781

i2s_write_expand()

p_i2s[i2s_num]->tx->rw_pos += bytes_can_write;

i2s_legacy.c:1798

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()

p_i2s[i2s_num]->rx->rw_pos = 0;

i2s_legacy.c:1822

i2s_read()

data_ptr += p_i2s[i2s_num]->rx->rw_pos;

i2s_legacy.c:1825

i2s_read()

bytes_can_read = p_i2s[i2s_num]->rx->buf_size - p_i2s[i2s_num]->rx->rw_pos;

i2s_legacy.c:1826

i2s_read()

p_i2s[i2s_num]->rx->rw_pos += bytes_can_read;

i2s_legacy.c:1833

i2s_read()

int bytes_left = (p_i2s[i2s_num]->tx->buf_size - p_i2s[i2s_num]->tx->rw_pos) % 4;

i2s_legacy.c:1897

i2s_zero_dma_buffer()

Call Tree

All items filtered out

Data Use

i2s_dma_t::rw_pos is written by 10 functions and is read by 7 functions:

i2s_register_channel()

i2s_channel_disable()

i2s_channel_preload_data()

i2s_dma_t::rw_pos

i2s_zero_dma_buffer()

i2s_channel_preload_data()

i2s_channel_write()

i2s_channel_read()

Class Tree

All items filtered out

Override Tree

All items filtered out

Implementations

All items filtered out

Instances

Lifecycle

All items filtered out

i2s_dma_t::rw_pos field

Syntax

Examples

References

Call Tree

Data Use

Class Tree

Override Tree

Implementations

Instances

Lifecycle