26.3.3.4 i2c_m_sync_set_baudrate

int32_t i2c_m_sync_set_baudrate(
    struct i2c_m_sync_desc * i2c,
    uint32_t clkrate,
    uint32_t baudrate
)

This function sets the I2C device to the specified baudrate. It only takes effect when the hardware is disabled.

Parameters

i2c

Type: struct i2c_m_sync_desc Struct *

An I2C descriptor, which is used to communicate through I2C

clkrate

Type: uint32_t

Unused parameter. Should always be 0

baudrate

Type: uint32_t

The baudrate value set to master

Returns

Type: int32_t

Whether successfully set the baudrate

-1

The passed parameters were invalid or the device is already enabled

0

The baudrate set is completed successfully