essl_get_tx_buffer_num() function

Get buffer num for the host to send data to the slave. The buffers are size of ``buffer_size``.

Syntax

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Summary

Declaration

Definition

esp_err_t essl_get_tx_buffer_num(essl_handle_t handle, uint32_t *out_tx_num, uint32_t wait_ms);

Implemented in essl.c:142

Argument

Description

handle

Handle of a ESSL device.

out_tx_num

Output of buffer num that host can send data to ESSL slave.

wait_ms

Millisecond to wait before timeout, will not wait at all if set to 0-9.

- ESP_OK: Success - ESP_ERR_NOT_SUPPORTED: This API is not supported in this mode - One of the error codes from SDMMC/SPI host controller

Code

Location

esp_err_t essl_get_tx_buffer_num(essl_handle_t handle, uint32_t *out_tx_num, uint32_t wait_ms)

esp_err_t essl_get_tx_buffer_num(essl_handle_t handle, uint32_t *out_tx_num, uint32_t wait_ms);

essl_get_tx_buffer_num() calls 2 functions:

essl_get_tx_buffer_num()

essl_get_tx_buffer_num() reads 3 variables:

essl_get_tx_buffer_num()

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