Function i2c_master

Initializes the requested I2C hardware module.

enum status_code i2c_master_init(
		struct i2c_master_module *const module,
		Sercom *const hw,
		const struct i2c_master_config *const config)

Initializes the SERCOM I²C master device requested and sets the provided software module struct. Run this function before any further use of the driver.

Table 1. Parameters
Data direction	Parameter name	Description
[out]	module	Pointer to software module struct
[in]	hw	Pointer to the hardware instance
[in]	config	Pointer to the configuration struct

Returns

Status of initialization.

Table 2. Return Values
Return value	Description
STATUS_OK	Module initiated correctly
STATUS_ERR_DENIED	If module is enabled
STATUS_BUSY	If module is busy resetting
STATUS_ERR_ALREADY_INITIALIZED	If setting other GCLK generator than previously set
STATUS_ERR_BAUDRATE_UNAVAILABLE	If given baudrate is not compatible with set GCLK frequency

Function i2c_master_init()

Returns