Author: matt
Date: 2008-01-04 10:59:47 -0700 (Fri, 04 Jan 2008)
New Revision: 7340
Modified:
usrp2/trunk/fpga/timing/time_sync.v
Log:
fixed time_sync interrupt
Modified: usrp2/trunk/fpga/timing/time_sync.v
===================================================================
--- usrp2/trunk/fpga/timing/time_sync.v 2008-01-04 07:28:00 UTC (rev 7339)
+++ usrp2/trunk/fpga/timing/time_sync.v 2008-01-04 17:59:47 UTC (rev 7340)
@@ -6,7 +6,7 @@
input we_i, input [31:0] dat_i, output [31:0] dat_o, output ack_o,
input sys_clk_i, output [31:0] master_time_o,
input pps_in, input exp_pps_in, output exp_pps_out,
- output int_o );
+ output reg int_o );
wire [31:0] master_time_rcvd;
reg [31:0] master_time;
@@ -94,6 +94,15 @@
assign pps_ext = pps_in_d1 & ~pps_in_d2;
// Need to register this?
- assign int_o = tick_int_enable & internal_tick;
+ reg internal_tick_d1;
+ always @(posedge sys_clk_i) internal_tick_d1 <= internal_tick;
+ always @(posedge wb_clk_i)
+ if(rst_i)
+ int_o <= 0;
+ else if(tick_int_enable & (internal_tick | internal_tick_d1))
+ int_o <= 1;
+ else
+ int_o <= 0;
+
endmodule // time_sync
_______________________________________________
Commit-gnuradio mailing list
[email protected]
http://lists.gnu.org/mailman/listinfo/commit-gnuradio
