[Commit-gnuradio] r8828 - usrp2/trunk/fpga/timing

[matt]

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)