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SourceVuESP-IDF Framework and Exampleshost sampleessl_spi_init_dev()

essl_spi_init_dev() function

Initialize the ESSL SPI device function list and get its handle

Syntax

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Summary

Declaration

Definition

from essl_spi.h:45

esp_err_t essl_spi_init_dev(essl_handle_t *out_handle, const essl_spi_config_t *init_config);

Implemented in essl_spi.c:267

Arguments

Argument

Description

out_handle

Output of the handle

init_config

Configuration for the ESSL SPI device

Return value

- ESP_OK: On success - ESP_ERR_NO_MEM: Memory exhausted - ESP_ERR_INVALID_STATE: SPI driver is not initialized - ESP_ERR_INVALID_ARG: Wrong register ID

References

Code

Location

esp_err_t essl_spi_init_dev(essl_handle_t *out_handle, const essl_spi_config_t *init_config)

essl_spi.c:267

esp_err_t essl_spi_init_dev(essl_handle_t *out_handle, const essl_spi_config_t *init_config);

essl_spi.h:45

Call Tree

essl_spi_init_dev() calls 4 functions:

essl_spi_init_dev()

Data Use

essl_spi_init_dev() reads 18 variables and writes 1 variable:

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

essl_spi_config_t::spi

essl_spi_config_t::tx_buf_size

essl_spi_config_t::tx_sync_reg

essl_spi_config_t::rx_sync_reg

TAG

essl_spi_read_reg()

essl_spi_get_rx_data_size()

essl_spi_get_packet()

essl_spi_update_rx_data_size()

essl_spi_get_tx_buffer_num()

essl_spi_write_reg()

essl_spi_send_packet()

essl_spi_update_tx_buffer_num()

essl_spi_init_dev()

essl_dev_t::args

Class Tree

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Override Tree

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Implementations

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Instances

Lifecycle

essl_spi_init_dev() allocates 2 typess and frees 2 typess:

essl_spi_init_dev()