26.3.3.9 i2c_m_sync_transfer

Sync version of transfer message to/from the I2C slave.

int32_t i2c_m_sync_transfer(
    struct i2c_m_sync_desc *const i2c,
    struct _i2c_m_msg * msg
)

This function will transfer a message between the I2C slave and the master. This function will wait for the operation to be done.

Parameters

i2c

Type: struct i2c_m_sync_desc Struct *const

An I2C descriptor, which is used to communicate through I2C

msg

Type: struct _i2c_m_msg *

An i2c_m_msg struct

Type: int32_t

The status of the operation