spi_slave_transmit() function

Do a SPI transaction Essentially does the same as spi_slave_queue_trans followed by spi_slave_get_trans_result. Do not use this when there is still a transaction queued that hasn't been finalized using spi_slave_get_trans_result.

Syntax

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Summary

Declaration

Definition

from spi_slave.h:187

esp_err_t spi_slave_transmit(spi_host_device_t host, spi_slave_transaction_t *trans_desc, TickType_t ticks_to_wait);

Implemented in spi_slave.c:511

Arguments

Argument

Description

host

SPI peripheral to that is acting as a slave

trans_desc

Pointer to variable able to contain a pointer to the description of the transaction that is executed. Not const because we may want to write status back into the transaction description.

ticks_to_wait

Ticks to wait until there's a returned item; use portMAX_DELAY to never time out.

Return value

- ESP_ERR_INVALID_ARG if parameter is invalid - ESP_OK on success

Examples

spi_slave_transmit() is referenced by 1 libraries and example projects:

References

from examples

spi_slave_transmit() function

Syntax

Arguments

Return value

Examples

References

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