i2c_new_master_bus() function

Allocate an I2C master bus

Syntax

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Summary

Declaration

Definition

from i2c_master.h:84

esp_err_t i2c_new_master_bus(const i2c_master_bus_config_t *bus_config, i2c_master_bus_handle_t *ret_bus_handle);

Implemented in i2c_master.c:929

Arguments

Argument

Description

bus_config

I2C master bus configuration.

ret_bus_handle

I2C bus handle

Return value

- ESP_OK: I2C master bus initialized successfully. - ESP_ERR_INVALID_ARG: I2C bus initialization failed because of invalid argument. - ESP_ERR_NO_MEM: Create I2C bus failed because of out of memory. - ESP_ERR_NOT_FOUND: No more free bus.

Examples

i2c_new_master_bus() is referenced by 3 libraries and example projects:

References

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i2c_new_master_bus() function

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i2c_new_master_bus() function

Syntax

Arguments

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