26.3.3.5 i2c_m_sync_enable

int32_t i2c_m_sync_enable(
    struct i2c_m_sync_desc * i2c
)

This function enables the I2C device, and then waits for this enabling operation to be done

Parameters

i2c

Type: struct i2c_m_sync_desc Struct *

An I2C descriptor, which is used to communicate through I2C

Returns

Type: int32_t

Whether successfully enable the device

-1

The passed parameters were invalid or the device enable failed

0

The hardware enabling is completed successfully