theguardianwolf / niosii-lcfr

Low Cost Frequency Relay implemented on Cyclone II for CompSys723

NiosII-LCFR

Low Cost Frequency Relay implemented on Cyclone II for CompSys723

Instructions for Programming board

1. Open Quartus programmer

2. Select freq_relay_controller.sof file in the firmware folder

3. Connect USB Blaster and select it

4. Press program

Instructions for Running

1. Open new workspace in NIOS II

2. Import lcfr-u and lcfr-u_bsp projects

3. Compile/build the lcfr-u project

4. Connect power, VGA, keyboard and the USB blaster to the board

5. Press run in NIOS and select hardware

Interface

• Use switches 0-4 for controlling the loads.

• Highest priority load starts from 0 and goes to 4.

• Button 1 is used to switch to maintenance mode.

• Using the numbers and dot enables changing the config values displayed on screen.

• The entered values will cycle through each one when the enter button is pressed.

• Pressing tab discards the currently entered value and passes to the next.

• Backspacing clears the currently entered value.

• Vertical white line through the two graphs shows the last 5 values on the right. The graph shows last 100 values in total.

• Maximum 8 digits can be entered