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[Commit-gnuradio] r7166 - usrp2/trunk/fpga/models
From: |
matt |
Subject: |
[Commit-gnuradio] r7166 - usrp2/trunk/fpga/models |
Date: |
Thu, 13 Dec 2007 20:41:15 -0700 (MST) |
Author: matt
Date: 2007-12-13 20:41:15 -0700 (Thu, 13 Dec 2007)
New Revision: 7166
Modified:
usrp2/trunk/fpga/models/adc_model.v
Log:
reflect reality
Modified: usrp2/trunk/fpga/models/adc_model.v
===================================================================
--- usrp2/trunk/fpga/models/adc_model.v 2007-12-14 03:37:32 UTC (rev 7165)
+++ usrp2/trunk/fpga/models/adc_model.v 2007-12-14 03:41:15 UTC (rev 7166)
@@ -15,10 +15,10 @@
reg [13:0] adc_a_int = 0;
reg [13:0] adc_b_int = 0;
- assign adc_a = (adc_oen_a & ~adc_pdn_a) ? adc_a_int : 14'bz;
- assign adc_ovf_a = (adc_oen_a & ~adc_pdn_a) ? 1'b0 : 1'bz;
- assign adc_b = (adc_oen_b & ~adc_pdn_b) ? adc_b_int : 14'bz;
- assign adc_ovf_b = (adc_oen_b & ~adc_pdn_b) ? 1'b0 : 1'bz;
+ assign adc_a = (~adc_oen_a & ~adc_pdn_a) ? adc_a_int : 14'bz;
+ assign adc_ovf_a = (~adc_oen_a & ~adc_pdn_a) ? 1'b0 : 1'bz;
+ assign adc_b = (~adc_oen_b & ~adc_pdn_b) ? adc_b_int : 14'bz;
+ assign adc_ovf_b = (~adc_oen_b & ~adc_pdn_b) ? 1'b0 : 1'bz;
real phase = 0;
@@ -28,7 +28,7 @@
real freq = 330000/sample_rate; // 330 kHz
always @(posedge clk)
- if(~adc_pdn_a & adc_oen_a)
+ if(~adc_pdn_a & ~adc_oen_a)
begin
adc_a_int <=
$rtoi(math.round(math.sin(phase*math.MATH_2_PI)*(math.pow(2,13)-1))) ;
adc_b_int <=
$rtoi(math.round(math.cos(phase*math.MATH_2_PI)*(math.pow(2,13)-1))) ;
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