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Replace assign
with always_comb
in rtl/
Update to better match IEEE1800-2017
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@ -24,6 +24,6 @@ always_comb
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else if (counter < 168_000_000) {leds} = 3'b110;
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else if (counter < 168_000_000) {leds} = 3'b110;
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else {leds} = 3'b111;
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else {leds} = 3'b111;
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assign {o_ledr, o_ledg, o_ledb} = leds;
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always_comb {o_ledr, o_ledg, o_ledb} = leds;
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endmodule
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endmodule
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@ -13,8 +13,8 @@ logic [7:0] counter;
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always_ff @(posedge clk)
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always_ff @(posedge clk)
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counter <= counter + 1;
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counter <= counter + 1;
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assign ledr = (rgb[23:16] > counter);
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always_comb ledr = (rgb[23:16] > counter);
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assign ledg = (rgb[15: 8] > counter);
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always_comb ledg = (rgb[15: 8] > counter);
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assign ledb = (rgb[ 7: 0] > counter);
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always_comb ledb = (rgb[ 7: 0] > counter);
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endmodule
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endmodule
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@ -24,13 +24,13 @@ logic clk_48k_past;
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always_ff @(posedge i_clk48) // Track rising / falling edge of 48kHz clock
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always_ff @(posedge i_clk48) // Track rising / falling edge of 48kHz clock
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clk_48k_past <= clk_48k;
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clk_48k_past <= clk_48k;
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assign o_pulse = clk_48k && !clk_48k_past; // Detect rising edge of 48kHz clock
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always_comb o_pulse = clk_48k && !clk_48k_past; // Detect rising edge of 48kHz clock
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logic [23:0] int_saw_step;
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logic [23:0] int_saw_step;
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assign int_saw_step = (24'd699 * i_targetf); // Sawtooth step calc from input target freq
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always_comb int_saw_step = (24'd699 * i_targetf); // Sawtooth step calc from input target freq
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logic [15:0] saw_step;
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logic [15:0] saw_step;
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assign saw_step = {1'b0, int_saw_step[23:9]}; // Shift step right correctly (2^9)
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always_comb saw_step = {1'b0, int_saw_step[23:9]}; // Shift step right correctly (2^9)
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always_ff @(posedge clk_48k) // Generate new sample on rising edge of 48kHz clock
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always_ff @(posedge clk_48k) // Generate new sample on rising edge of 48kHz clock
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if (!i_rst48_n) o_sample <= '0;
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if (!i_rst48_n) o_sample <= '0;
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