//! [initialize_i2c]
static void configure_i2c_slave(void)
{
/* Initialize config structure and software module. */
//! [init_conf]
struct i2c_slave_config config_i2c_slave;
i2c_slave_get_config_defaults(&config_i2c_slave);
//! [init_conf]
/* Change address and address_mode. */
//! [conf_changes]
config_i2c_slave.address = SLAVE_ADDRESS;
config_i2c_slave.pin_number_pad0 = PIN_LP_GPIO_14;
config_i2c_slave.pin_number_pad1 = PIN_LP_GPIO_15;
config_i2c_slave.pinmux_sel_pad0 = MUX_LP_GPIO_14_MUX4_I2C1_SDA;
config_i2c_slave.pinmux_sel_pad1 = MUX_LP_GPIO_15_MUX4_I2C1_SCL;
//! [conf_changes]
/* Initialize and enable device with config, and enable i2c. */
//! [init_module]
while(i2c_slave_init(&i2c_slave_instance, I2C1, &config_i2c_slave) \
!= STATUS_OK);
//! [init_module]
//! [enable_module]
i2c_enable(i2c_slave_instance.hw);
//! [enable_module]
//! [enable_interurpt]
i2c_slave_rx_interrupt(i2c_slave_instance.hw, true);
i2c_slave_tx_interrupt(i2c_slave_instance.hw, true);
//! [enable_interurpt]
}
// Configure SERCOM channel 4 as I2C slave for VESC communication
void configure_i2c_slave(void)
{
/* Create and initialize config_i2c_slave structure */
struct i2c_slave_config config_i2c_slave;
i2c_slave_get_config_defaults(&config_i2c_slave);
/* Change address and address_mode */
config_i2c_slave.address = SLAVE_ADDRESS;
config_i2c_slave.address_mode = I2C_SLAVE_ADDRESS_MODE_MASK;
config_i2c_slave.buffer_timeout = SLAVE_TIMEOUT;
config_i2c_slave.pinmux_pad0 = PINMUX_PB08D_SERCOM4_PAD0;
config_i2c_slave.pinmux_pad1 = PINMUX_PB09D_SERCOM4_PAD1;
/* Initialize and enable device with config_i2c_slave */
i2c_slave_init(&i2c_slave_instance, SERCOM4, &config_i2c_slave);
i2c_slave_enable(&i2c_slave_instance);
}
//! [initialize_i2c]
void configure_i2c_slave(void)
{
/* Initialize config structure and module instance */
//! [init_conf]
struct i2c_slave_config config_i2c_slave;
i2c_slave_get_config_defaults(&config_i2c_slave);
//! [init_conf]
/* Change address and address_mode */
//! [conf_changes]
config_i2c_slave.address = SLAVE_ADDRESS;
config_i2c_slave.address_mode = I2C_SLAVE_ADDRESS_MODE_MASK;
//! [conf_changes]
/* Initialize and enable device with config */
//! [init_module]
i2c_slave_init(&i2c_slave_instance, CONF_I2C_SLAVE_MODULE, &config_i2c_slave);
//! [init_module]
//! [enable_module]
i2c_slave_enable(&i2c_slave_instance);
//! [enable_module]
}
//! [initialize_i2c]
void configure_i2c_slave(void)
{
/* Create and initialize config_i2c_slave structure */
//! [init_conf]
struct i2c_slave_config config_i2c_slave;
i2c_slave_get_config_defaults(&config_i2c_slave);
//! [init_conf]
/* Change address and address_mode */
//! [conf_changes]
config_i2c_slave.address = SLAVE_ADDRESS;
config_i2c_slave.address_mode = I2C_SLAVE_ADDRESS_MODE_MASK;
config_i2c_slave.buffer_timeout = 1000;
//! [conf_changes]
/* Initialize and enable device with config_i2c_slave */
//! [init_module]
i2c_slave_init(&i2c_slave_instance, SERCOM2, &config_i2c_slave);
//! [init_module]
//! [enable_module]
i2c_slave_enable(&i2c_slave_instance);
//! [enable_module]
}
