Harris HSP50210EVAL Page 2 User Manual Download

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Appendices A through H contain detailed information about
Circuit Board Layout, Initial Jumper Settings, Connector Pin
Assignments, Test Header Pin definitions, Detailed Sche-
matics, Parts List, Memory Maps and a Descriptive File List.

Control/Status Software Program

The Control/Status software program, written for DOS based
PC’s, is included in the evaluation kit. This software supports
operation of the evaluation circuit board in basic PSK
demodulator and phased locked loop (PLL) configurations.
The menu driven software program allows the user to select
a variety of demodulator and data path configurations. It cal-
culates demodulator/PLL configuration data based on the
user menu selections, downloads configuration data to the
evaluation circuit board and displays operational status. The
calculated configuration data are the register values for the
IC’s on the evaluation board. This data is downloaded to the
evaluation circuit board microcontroller using the COM1 or
COM2 serial port on the PC. Status is read from circuit
board registers using the same serial interface and dis-
played on the computer screen. The downloaded configura-
tion data is available in a text file to facilitate editing, printing,
or exporting. Additionally, the software can configure the
HSP43124 FIR filter by importing .RPT files generated using
SERINADE, a Harris filter design application.

The Control/Status software MAIN MENU offers six sub-
menus for various configuration selections and three com-
mand actions. The menu tree is illustrated in Figure 2.

The six configuration submenus are:

• Data Path/Modulation Setup Menu

• Carrier Tracking Loop Setup Menu

• Bit Synchronization Loop Setup Menu

• Acquisition/Tracking Setup Menu

• Configure Hardware Menu

• Generate Output Files

The three command actions are:

• Load Configuration File
• Save Configuration File
• Exit

A typical operational sequence is:

A. Load Configuration File.

Executing this MAIN MENU item brings up a screen with the
current file name and requests the name of the file to be
loaded. Once the new filename name is entered, this command
loads the configuration setup and returns to the MAIN MENU
screen. This command allows the user to select a previously
saved configuration file for display, review and editing.

B. Edit Configuration File.

This is done by sequencing through each of the configura-
tion submenus and adjusting the parameters for the desired
hardware configuration.

- The DATA PATH/MODULATION SETUP MENU is used

to select clock rates, modulation type, filtering, signal
levels, SNR range and I/O formats.

- The CARRIER TRACKING LOOP SETUP MENU is

used to select loop bandwidth, loop filter order, damping
coefficient, sweep rate, and limits for both Carrier acqui-
sition and tracking.

- The BIT SYNC LOOP SETUP MENU is used to select

loop bandwidth, loop filter order, damping coefficient,
and limits for both Bit Timing tracking and acquisition.

- The ACQUISITION AND TRACKING SETUP MENU is

used to select lock detection integration time, lock
detection thresholds and other acquisition and tracking
parameters.

C. Save Configuration File

Executing this MAIN MENU item brings up a screen with the
current file name and a request for a filename to be saved.
Once the new filename name is entered, this command
stores the configuration setup to the new file.

DATA PATH/

MODULATION

SETUP MENU

MAIN MENU

CARRIER

BIT SYNC

ACQUISITION

(5) LOAD CONFIGURATION FILE

(6) SAVE CONFIGURATION FILE

GENERATE

CONFIGURE

(9) EXIT