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SourceVuESP-IDF Framework and ExamplesESP-IDFsdio_ringbuf_t::read_ptr

sdio_ringbuf_t::read_ptr field

Syntax

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Summary

Declaration

from sdio_slave_hal.h:173

uint8_t* read_ptr;

References

Code

Location

Referrer

uint8_t* read_ptr;

sdio_slave_hal.h:173

buf_ptr = buf->read_ptr;

sdio_slave_hal.c:68

sdio_ringbuf_offset_ptr()

HAL_ASSERT(buf->free_ptr == buf->read_ptr); //must return before recv again

sdio_slave_hal.c:101

sdio_ringbuf_recv()

if (buf->read_ptr == buf->write_ptr) return ESP_ERR_NOT_FOUND; // no data

sdio_slave_hal.c:103

sdio_ringbuf_recv()

buf->read_ptr = buf->write_ptr;

sdio_slave_hal.c:108

sdio_ringbuf_recv()

buf->read_ptr = get_start;

sdio_slave_hal.c:110

sdio_ringbuf_recv()

*end = (sdio_slave_hal_send_desc_t *) buf->read_ptr;

sdio_slave_hal.c:117

sdio_ringbuf_recv()

size_t size = (buf->read_ptr + buf->size - buf->free_ptr) % buf->size;

sdio_slave_hal.c:125

sdio_ringbuf_return()

buf->free_ptr = buf->read_ptr;

sdio_slave_hal.c:128

sdio_ringbuf_return()

if (buf->read_ptr != buf->write_ptr) {

sdio_slave_hal.c:134

sdio_ringbuf_peek_front()

return (buf->read_ptr == buf->write_ptr);

sdio_slave_hal.c:148

sdio_ringbuf_empty()

buf->read_ptr = buf->data;

sdio_slave_hal.c:181

init_send_queue()

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Data Use

sdio_ringbuf_t::read_ptr is written by 2 functions and is read by 5 functions:

sdio_ringbuf_recv()

init_send_queue()

sdio_ringbuf_t::read_ptr

sdio_ringbuf_offset_ptr()

sdio_ringbuf_recv()

sdio_ringbuf_return()

sdio_ringbuf_peek_front()

sdio_ringbuf_empty()

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