AN5179 mentioned how to use 「hci_app」.
AN5179 has provided UART interface, and no mention of I2C.
On the program which is useful for I2C slave, defined as 「gSerialMgrUseIIC_c」
Excuse me,
On Hardware, how to do the connect pin?
On Software, Master how to write command format when KW40Z as Slave?