4.7.3 Enumerations
enum host_command_code_t { HOST_READ_CODE = 0x55U, HOST_WRITE_CODE = 0x11U, HOST_READ_CODE = 0x55U, HOST_WRITE_CODE = 0x11U, HOST_READ_CODE = 0x55U, HOST_WRITE_CODE = 0x11U }
enum com_adapter_state_t { NO_ACTION = 0x00, SEND_LENGTH, SEND_RESPONSE, READ_COMMAND, NO_ACTION = 0x00, SEND_LENGTH, SEND_RESPONSE, READ_COMMAND, NO_ACTION = 0x00, SEND_LENGTH, SEND_RESPONSE, READ_COMMAND }
