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5.9 Command Summary Table
The HPB command set is summarized in Table 4 Command List. A more detailed description of each command can be
found in Section 5.10 Command Descriptions
Table heading explanations for Table 4 Command List:
Command Code:
Two-character code (cc) in the command format. The command code characters can be one letter
followed by an = equal sign, two letters, a letter or a number. The letters are not case sensitive; i.e.
either upper case or lower case may be used. The HPB will convert the characters to upper case.
Action Directing Command:
Does this command change the HPB configuration?
Yes
The command changes the
HPB configuration as an action directing command.
No
The command is only an information
request command.
Sequential Response with Group or Global Address:
Commands that begin with a group or global address
(ID=90-99), are passed through the HPB network from one device to the next and eventually end
up back at the host processor. The HPB response is sent with the command through the network.
Before
The HPB response is sent before the group or global command. This is a sequencial
response.
After
The HPB response is sent after the group or gobal command.
NO
The HPB
just passes the command through the network with no response.
Input or Output:
Is information input to the HPB or output from the HPB?
In
Command is only used to input
(action direct command) to the HPB.
Out
Command is only used to output (request information
inquiry) from the HPB.
Both
Command can be used for either IN or OUT purposes.
Requires Write Enable:
Is a WE command required before for this command?
Yes
When sent as an action
directed command, it must be preceded by a WE command.
No
Never requires a WE command
beforehand. These are request information commands only.
Terminates Continuous Commands:
Will this command stop the HPB flow?
Yes
This command will end the
continuous flow of the P2, P4, T2, T4 commands.
No
Command will not stop the continuous
flow commands.
Write to EEPROM:
Can this command have parameters stored in EEPROM?
Yes
Parameter values associated with
this command may be stored in EEPROM.
No
Can not store anything from this command in
EEPROM.
All
Cause all parameters to be store in EEPROM.