imants/audio_effects_FPGA
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

works, but with high noises

Browse Source
This commit is contained in:
Imants Pulkstenis
2019-10-13 23:22:48 +03:00
parent c69d8b6ae5
commit 31f01e93b3
6 changed files with 49 additions and 44 deletions
Download Patch File Download Diff File Expand all files Collapse all files
i2s_transceiver_tb.v
+15 -9
View File
@@ -12,7 +12,7 @@
`include "i2s_transceiver.v"
module i2s_transceiver_tb#( parameter
sclk_ws_ratio = 64, // number of sclk periods per word select period
sclk_ws_ratio = 48, // number of sclk periods per word select period
mclk_sclk_ratio = 4, // number of mclk periods per sclk period
d_width = 24 // data width
)();
@@ -32,7 +32,13 @@ wire [d_width-1: 0] r_data_rx;
// 50% duty cycle clock
always #0.5 clk <= ~clk;
i2s_transceiver UUT(
always #4 sd_rx <= ~sd_rx;
i2s_transceiver #(
.mclk_sclk_ratio(mclk_sclk_ratio), //number of mclk periods per sclk period
.sclk_ws_ratio(sclk_ws_ratio), //number of sclk periods per word select period
.d_width(d_width) //data width
) UUT(
.reset_n(reset_n), //asynchronous active low reset
.mclk(clk), //master clock
.sclk(sclk), //serial clock (or bit clock)
@@ -47,13 +53,13 @@ i2s_transceiver UUT(
initial begin
#200
reset_n <= 1;
#200
l_data_tx = 'h2563;
r_data_tx = 'h1523;
#20
sd_rx = 'h1;
#0
reset_n <= 0;
// #200
l_data_tx = 'hbbbbbb;
r_data_tx = 'haaaaaa;
// #20
// sd_rx = 'h1;
end