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Thomas Dealtry, 01/30/2015 04:18 AM
- Table of contents
- Getting help
- Overview
- List of commands (to be expanded)
- List of TDU IP addresses (to be expanded)
- Using the NOvA GUI (TDUControl) - OLD & BROKEN
Getting help¶
Email Tom Dealtry - thomas.dealtry@physics.ox.ac.uk
Overview¶
The following are instructions on how to communicate with the NOvA timing distrubution unit (TDU). The TDU distributes timing information throughout the system, handles synchronisation between boards, and includes automatic propagation delay calculation & compensation.
There are various ways to communicate:
- Through lbnerc & daqinterface (coming soon)
- Booting up an xmlrpc server & commuicating through this
- Communicating with the TDU directly
List of commands (to be expanded)¶
All 'get', 'do', and 'read' commands return an error code with a common numbering scheme.
'get' commands¶
get_status()
Returns [error_code, ready_to_do]. When ready_to_do is True, the control register can be modified (i.e. a 'do' command can be performed)
'do' commands¶
do_ping()
ping the TDU
do_time_sync()
Perform a time synchronisation (this callsget_status()
internally)
do_delay_calc()
Perform a propagation delay calculation (this callsget_status()
internally)
do_send_sync_pulse()
Send a sync pulse (this callsget_status()
internally)
debug_do_write_control_reg(data_to_or)
Write the control register to perform a none standard operation (this callsget_status()
internally)
'read' commands¶
read_tdu_id()
Read out the TDU version & ID numbers
read_tdu_status()
Read out the TDU's current operating conditions (current, voltage, temperature, fan status, FPGA status)
read_gps_status()
Read out the GPS status (faults, timeouts, sat count, etc. + current UTC time)
read_error_registers()
Read out the error registers
read_control_reg()
Read out the control register
debug_read_all_registers()
Read out all the registers. Also comes with some hints on what the 'default' for normal operating conditions is.
Other commands¶
close_socket()
- print_log
Will be made private
Error codes¶
100-120
List of TDU IP addresses (to be expanded)¶
- Master: 192.168.100.201
- Slave: 192.168.100.202
Using the NOvA GUI (TDUControl) - OLD & BROKEN¶
To start TDUControl, use the following steps:
- log into the
lbnedaq
account onlbne35t-gateway01
source /data/lbnedaq/novadaq/setup/setup_novadaq_nt1.sh
TDUControl -m
- enter the IP address of the Master TDU into the GUI (192.168.100.201)
Alternatively for steps 3 & 4, you can run TDUControl -m -t 192.168.100.201