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SourceVuESP-IDF Framework and Exampleshost sampleessl_sdio_send_packet()

essl_sdio_send_packet() function

Send a packet to the ESSL SDIO slave. The slave receive the packet into buffers whose size is ``buffer_size`` in the arg.

Syntax

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Summary

Declaration

Definition

from essl_sdio.h:110

esp_err_t essl_sdio_send_packet(void *arg, const void *start, size_t length, uint32_t wait_ms);

Implemented in essl_sdio.c:273

Arguments

Argument

Description

arg

Context of the component.

start

Start address of the packet to send

length

Length of data to send, if the packet is over-size, the it will be divided into blocks and hold into different buffers automatically.

wait_ms

Time to wait before timeout, in ms.

Return value

- ESP_OK Success - ESP_ERR_TIMEOUT No buffer to use, or error ftrom SDMMC host controller - One of the error codes from SDMMC host controller

References

Code

Location

Referrer

esp_err_t essl_sdio_send_packet(void *arg, const void *start, size_t length, uint32_t wait_ms)

essl_sdio.c:273

esp_err_t essl_sdio_send_packet(void *arg, const void *start, size_t length, uint32_t wait_ms);

essl_sdio.h:110

*dev = ESSL_SDIO_DEFAULT_CONTEXT();

essl_sdio.c:119

essl_sdio_init_dev()

Call Tree

essl_sdio_send_packet() calls 6 functions:

essl_sdio_send_packet()

esp_log_timestamp()

esp_log_write()

essl_sdio_get_tx_buffer_num()

essl_sdio_update_tx_buffer_num()

sdmmc_io_write_bytes()

sdmmc_io_write_blocks()

Data Use

essl_sdio_send_packet() reads 10 variables and writes 2 variables:

esp_log_level_t::ESP_LOG_ERROR

esp_log_level_t::ESP_LOG_WARN

esp_log_level_t::ESP_LOG_INFO

esp_log_level_t::ESP_LOG_DEBUG

esp_log_level_t::ESP_LOG_VERBOSE

TAG

essl_sdio_context_t::buffer_size

essl_sdio_context_t::tx_sent_buffers

essl_sdio_context_t::tx_sent_buffers_latest

essl_sdio_context_t::card

essl_sdio_send_packet()

essl_sdio_init_dev()

essl_sdio_context_t::tx_sent_buffers

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