User's Manual

Table Of Contents
5. STATE MACHINE
User Operations
None.
Transitions
If successful, the firmware transitions to ADDRESS mode.
In the case of an error, the firmware transitions to ERROR mode.
Remarks
There is no interaction with the user on the network.
5.2.2 ADDRESS Mode
In this mode, the firmware sets the internal software network stack to the data provided by the network
configuration.
Identification
Shared memory.Operation mode = 0x0000 14FB
No firmware communication on the network
Shared memory.Lifesign value increments every 5 ms
Operation
Set up the network stack.
Set the network address (MAC and IP) to a fixed value.
Continuous internal end system diagnostics.
Continuous switch diagnostics.
Continuous Built-In Tests (CBITs) are performed.
User Operations
None.
Transitions
If successful, the firmware transitions to CONTROLLER mode.
In the case of an error, the firmware transitions to ERROR mode.
Remarks
There is no interaction with the user on the network.
5.2.3 CONTROLLER Mode
In this mode, the user can interact with the TTE-Switch Lab Space. This includes the upload (Section
6.2 on page 32) and download (Section 6.3 on page 34) of files, status information requests (ICMP echo
requests, SNMP get requests), and the acceptance of user commands (SNMP set requests). With a
user-specific command, the user can switch the operational mode of the firmware to the RECONFIGURE
mode.
© TTTech Computertechnik AG 2019. All rights reserved.
Confidential and Proprietary Information
23
Document Number:
D-863-M-05-001