NiosII-LCFR
Low Cost Frequency Relay implemented on Cyclone II for CompSys723
Instructions for Programming board
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Open Quartus programmer
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Select freq_relay_controller.sof file in the firmware folder
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Connect USB Blaster and select it
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Press program
Instructions for Running
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Open new workspace in NIOS II
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Import lcfr-u and lcfr-u_bsp projects
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Compile/build the lcfr-u project
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Connect power, VGA, keyboard and the USB blaster to the board
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Press run in NIOS and select hardware
Interface
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Use switches 0-4 for controlling the loads.
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Highest priority load starts from 0 and goes to 4.
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Button 1 is used to switch to maintenance mode.
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Using the numbers and dot enables changing the config values displayed on screen.
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The entered values will cycle through each one when the enter button is pressed.
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Pressing tab discards the currently entered value and passes to the next.
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Backspacing clears the currently entered value.
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Vertical white line through the two graphs shows the last 5 values on the right. The graph shows last 100 values in total.
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Maximum 8 digits can be entered