supleed2/EIE4-FYP
1
0
Fork 0
mirror of https://github.com/supleed2/EIE4-FYP.git synced 2024-12-22 14:15:50 +00:00
Code Issues Packages Projects Releases Wiki Activity

Optimise triangle wave gen and add comments

Browse source
This commit is contained in:
Aadi Desai 2023-05-18 12:42:09 +01:00
parent a17429c105
commit 6381cb53a8
No known key found for this signature in database
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
rtl/genSaw.sv
View file

@ -39,10 +39,10 @@ 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]}};
always_comb square = {16{saw[15]}}; // Square wave is MSB of saw
logic [15:0] triangle;
always_comb triangle = saw[15] ? {16'hFFFF - {saw[14:0], 1'b1}} : {saw[14:0], 1'b0}; // TODO: Optimise?
always_comb triangle = saw[15] ? {~saw[14:0], 1'b1} : {saw[14:0], 1'b0}; // Triangle wave calc
logic [15:0] sine;
always_comb sine = saw; // TODO: Insert sine calcuation here?