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Flip MSB of square wave, avoid DAC automute

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Aadi Desai 2023-05-18 16:19:53 +01:00
parent 79ab8cd538
commit c4469cd6f6
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rtl/genSaw.sv
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@ -39,7 +39,7 @@ always_ff @(posedge clk_48k) // Generate new saw sample on rising edge of 48kHz
else if (!i_pause) saw <= saw + saw_step; // Add saw_step if not paused (48kHz)
logic [15:0] square;
always_comb square = {16{saw[15]}}; // Square wave is MSB of saw
always_comb square = {~saw[15], {15{saw[15]}}}; // Square wave is MSB of saw
logic [15:0] triangle;
always_comb triangle = saw[15] ? {~saw[14:0], 1'b1} : {saw[14:0], 1'b0}; // Triangle wave calc