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Efinity Design Flow

In this lab you will use the uart_echo design that was introduced in the previous labs. You will use Debug Wizard to debug the hardware.

Steps

Open an Efinity Project

  1. Start the Efinix if necessary and open the lab2 project (lab2.xml) you created in the previous lab using the File>Open Project.

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Efinity Debug Wizard

  1. Click the Efinity Debug Wizard.

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  2. Then select dout, clk, rx_done_tick. Select clock domain as clk. Click Next. Click Finish.

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  3. Generate new bitstream file for debugging.

Open Efinity Debugger

  1. Click the Open Debugger.

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  2. Select your target board then upload your .bit file for program the board.

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  3. After the bitstream , connect debug Interface.

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  4. Click Add Probes button then select dout[7:0] and click ok.

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  5. Set Radix as Hex and value as 61 which equal to char “a”. Then click run. This is a alt text.

  6. Open Tera Term and set baud rate and com port.

  7. Enter character “a” then click Run.

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Analyze Waveform of Debug in GTKWave

  1. You can install GTKWave with iVerilog. You have to select install GTKWave option. Then GTKWave will installed automatically.

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  2. Open the workspace folder of lab2 then open .vcd file.

  3. Right click on the top and click Rescurse Import>Append.

  4. Analyze the waves of dout[7:0].

  5. In new version of GTKWave, waveform will be opened automatically. (iverilog-v12-20220611)

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