14.3.2.2.1 Software Design Flow

I²C Slave Mode

The I²C instance I2C_0 can be initialized by using the MSS_I2C_init API. The slave device address should be specified while initializing.

Write Operation

Following are the steps to complete the write transaction:

• Set the slave receive buffer

  The data receive buffer is used to store the data received when the I²C slave is the target of an I²C write transaction. Use the MSS_I2C_set_slave_rx_buffer API.

• Register the write handler

  The handler function must be called on completion of the I²C write transaction. MSS_I2C_register_write_handler API can be used to register the write handler function.

• Enable the slave

  The MSS_I2C_enable_slave API can be used to enable the slave.

Read Operation

Following are the steps to complete the read transaction:

• Set the slave transmit buffer

  The data buffer is transmitted when the I²C slave is the target of an I²C read transaction. Here, use the MSS_I2C_set_slave_tx_buffer API.

• Enable the slave

  MSS_I2C_enable_slave API can be used to enable the slave.