iic_error.h¶

I2C/IIC error codes used by the CFBD I2C abstraction. More...

Detailed Description¶

I2C/IIC error codes used by the CFBD I2C abstraction.

Small set of error code macros used across the I2C driver infrastructure. Error codes mirror common POSIX/Linux errno-style values to ease mapping to platform-level errors.

Source code¶

#pragma once

#define I2C_OK 0

#define I2C_ERR_TIMEOUT -110 /* -ETIMEDOUT */

#define I2C_ERR_NACK -121 /* -EPROTO (nack) */

#define I2C_ERR_BUSY -16 /* -EBUSY */

#define I2C_ERR_IO -5 /* -EIO */

#define I2C_ERR_INVAL -22 /* -EINVAL */

Updated on 2026-02-03 at 13:21:55 +0000