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Application Note 9518
Con?guration Menu:
MAIN MENU
The Configuration Menu allows the user to quickly program
the HI7188 or to verify the current configuration. Capability
includes: 1) Chip level and channel level programming via
READ
MENU
CONFIGURATION
MENU
WRITE
MENU
prompts to the user, 2) Configure the HI7188 from a file and
save the current configuration to a file, 3) Interpret a configu-
ration file and 4) Move from the Configuration Menu to any
IO RESET
RESET
EXIT
PROGRAM
other menu.
Con?guration Menu:
FIGURE 1. SIMPLIFIED SOFTWARE FLOW CHART
The Main Menu appears after invoking the HI7188 Evalua-
tion Software. This menu is the gateway to other menus that
allow the user to communicate with and evaluate the
HI7188.
Main Menu:
1
2
3
4
5
6
Set Chip Con?guration
Set Channel Con?guration
Set Full Con?guration
Interpret Con?guration File
Display/Save Current Con?guration
Restore Full Con?guration
c
r
Con?guration Menu
Read Menu
Menu Select:
w Write Menu
m Main Menu
x
EXIT PROGRAM
r
Read Menu
Reset Select:
w Write Menu
i
I/O Reset
Reset Select:
s
System Reset
i
I/O Reset
Enter Selection:
s
System Reset
c
r
Con?guration Menu: Entering c from the Main Menu
causes the HI7188 Con?guration Menu to be displayed
on the screen. The HI7188 Con?guration Menu allows
the user to easily program the HI7188 con?guration, load
preexisting con?gurations or quickly determine the cur-
rent con?guration. See the Con?guration Menu descrip-
tion for details.
Read Menu: Entering r from the Main Menu causes the
Read Menu to be displayed on the screen. The Read
Menu allows read access to all registers without having
knowledge of the speci?c instruction byte details. See
the Read Menu description for details.
Enter Selection:
1 Set Chip Con?guration: Entering 1 from the Con?gura-
tion Menu allows the user to perform chip level con?gura-
tion of the HI7188. The user is asked a series of
questions relating to the HI7188 Control Register bits.
After completing these questions, the user is given the
option of saving the information to a con?guration ?le and
actually executing the con?guration. If the user requests
writing a con?guration ?le they are prompted to enter a
?lename. If the users con?rms execution of the con?gu-
ration, the software compiles the proper data and writes
the Control Register, programming the HI7188 as
w Write Menu: Entering 3 from the Main Menu causes the
Write Menu to be displayed on the screen. The Write
Menu allows write access to all registers without having
knowledge of the speci?c instruction byte details. See
desired. Executing this command, regardless of options
chosen, returns the user to the Con?guration menu. In
addition, entering c at any of the prompts immediately
returns the user to the Con?guration menu.
the Write Menu description for details.
2
Set Channel Con?guration: Entering 2 from the Con?gu-
i
s
x
I/O Reset: Entering i from the Main Menu sends an
active low signal to the HI7188 RSTI/O pin, clearing the
Serial Interface Controller effectively aborting an ongoing
communication cycle. The Main Menu remains displayed
on the screen.
System Reset: Entering s from the Main Menu sends an
active low signal to the HI7188 RST pin, which initializes
the HI7188. The Main Menu remains displayed on the
screen.
Exit Program: Entering x from the Main Menu causes the
software to exit.
5
ration Menu allows the user to program the channel(s)
speci?c con?guration of the HI7188. The user is asked a
series of questions for each channel being converted. In
the logical conversion order the user is prompted for 1)
physical channel 2) unipolar/bipolar mode 3) operat-
ing/calibration mode and 4) gain. After completing these
questions, the user is given the option of saving the infor-
mation to a con?guration ?le and actually executing the
con?guration. If the user requests writing a con?guration
?le they are prompted to enter a ?lename. If the users
con?rms execution of the con?guration, the software
compiles the proper data and writes the Channel Con?g-
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