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[Commit-gnuradio] r8828 - usrp2/trunk/fpga/timing
From: |
matt |
Subject: |
[Commit-gnuradio] r8828 - usrp2/trunk/fpga/timing |
Date: |
Tue, 8 Jul 2008 16:53:14 -0600 (MDT) |
Author: matt
Date: 2008-07-08 16:53:12 -0600 (Tue, 08 Jul 2008)
New Revision: 8828
Modified:
usrp2/trunk/fpga/timing/time_sync.v
Log:
more timing whack-a-mole. We will need to recheck and recalibrate the time
sync stuff at some point once we get mimo running
Modified: usrp2/trunk/fpga/timing/time_sync.v
===================================================================
--- usrp2/trunk/fpga/timing/time_sync.v 2008-07-08 21:29:12 UTC (rev 8827)
+++ usrp2/trunk/fpga/timing/time_sync.v 2008-07-08 22:53:12 UTC (rev 8828)
@@ -11,8 +11,9 @@
wire [31:0] master_time_rcvd;
reg [31:0] master_time;
reg [31:0] delta_time;
-
- wire sync_rcvd, internal_tick, pps_ext;
+
+ reg internal_tick;
+ wire sync_rcvd, pps_ext;
reg [31:0] tick_time, tick_time_wb;
wire tick_free_run;
reg tick_int_enable, tick_source, external_sync;
@@ -72,7 +73,8 @@
assign dat_o = tick_time_wb;
- assign internal_tick = (tick_source == 0) ? tick_free_run : pps_ext;
+ always @(posedge sys_clk_i)
+ internal_tick <= (tick_source == 0) ? tick_free_run : pps_ext;
reg [31:0] counter;
always @(posedge sys_clk_i)
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