twai_driver_install_v2() function

Install TWAI driver and return a handle

Syntax

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Summary

Declaration

Definition

from twai.h:184

esp_err_t twai_driver_install_v2(const twai_general_config_t *g_config, const twai_timing_config_t *t_config, const twai_filter_config_t *f_config, twai_handle_t *ret_twai);

Implemented in twai.c:433

Arguments

Argument

Description

g_config

General configuration structure

t_config

Timing configuration structure

f_config

Filter configuration structure

ret_twai

Pointer to a new created TWAI handle

Return value

- ESP_OK: Successfully installed TWAI driver - ESP_ERR_INVALID_ARG: Arguments are invalid, e.g. invalid clock source, invalid quanta resolution, invalid controller ID - ESP_ERR_NO_MEM: Insufficient memory - ESP_ERR_INVALID_STATE: Driver is already installed

Notes

This is an advanced version of `twai_driver_install` that can return a driver handle, so that it allows you to install multiple TWAI drivers. Don't forget to set the proper controller_id in the `twai_general_config_t` Please refer to the documentation of `twai_driver_install` for more details.