26.1.5.6 i2c_m_async_enable

int32_t i2c_m_async_enable(
    struct i2c_m_async_desc *const i2c
)

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

Parameters

i2c

Type: struct i2c_m_async_desc Struct *const

An I2C master descriptor, which is used to communicate through I2C

Returns

Type: int32_t

The status whether successfully enabled

-1

The passed parameters were invalid or the device enable failed

0

The hardware enabling is completed successfully