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SourceVuESP-IDF Framework and ExamplesESP-IDFspi_slave_queue_reset_isr()

spi_slave_queue_reset_isr() function

Reset the trans Queue from within ISR of slave driver

Syntax

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Summary

Declaration

Definition

from spi_slave_internal.h:54

esp_err_t spi_slave_queue_reset_isr(spi_host_device_t host);

Implemented in spi_slave.c:473

Arguments

Argument

Description

host

SPI peripheral that is acting as a slave

Return value

- ESP_ERR_INVALID_ARG if parameter is invalid - ESP_OK on success

Notes

This API is used to reset SPI Slave transaction queue from within ISR. After calling this function: - The SPI Slave transaction queue will be empty.

References

Code

Location

Referrer

esp_err_t SPI_SLAVE_ISR_ATTR spi_slave_queue_reset_isr(spi_host_device_t host)

spi_slave.c:473

esp_err_t spi_slave_queue_reset_isr(spi_host_device_t host);

spi_slave_internal.h:54

spi_slave_queue_reset_isr(s_spi_config->host_device);

esp_openthread_spi_slave.c:169

otPlatSpiSlavePrepareTransaction()

Call Tree

spi_slave_queue_reset_isr() is called by 1 function and calls 9 functions:

otPlatSpiSlavePrepareTransaction()

spi_slave_queue_reset_isr()

esp_log_get_default_level()

esp_rom_printf()

esp_log_timestamp()

_frxt_setup_switch()

xQueueReceiveFromISR()

xQueueIsQueueEmptyFromISR()

spi_slave_uninstall_priv_trans()

is_valid_host()

SEGGER_SYSVIEW_RecordExitISRToScheduler()

Data Use

spi_slave_queue_reset_isr() reads 5 variables and writes 1 variable:

esp_log_level_t::ESP_LOG_ERROR

SPI_TAG

spi_slave_t::cur_trans

spi_slave_t::trans_queue

spihost

spi_slave_queue_reset_isr()

spi_slave_trans_priv_t::trans

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