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-rw-r--r--fpga/usrp2/timing/time_64bit.v14
1 files changed, 12 insertions, 2 deletions
diff --git a/fpga/usrp2/timing/time_64bit.v b/fpga/usrp2/timing/time_64bit.v
index d32f4220b..03df07108 100644
--- a/fpga/usrp2/timing/time_64bit.v
+++ b/fpga/usrp2/timing/time_64bit.v
@@ -23,10 +23,11 @@ module time_64bit
(input clk, input rst,
input set_stb, input [7:0] set_addr, input [31:0] set_data,
input pps,
- output [63:0] vita_time,
+ output reg [63:0] vita_time,
output reg [63:0] vita_time_pps,
output pps_int,
input exp_time_in, output exp_time_out,
+ output reg good_sync,
output [31:0] debug
);
@@ -39,7 +40,10 @@ module time_64bit
reg [31:0] seconds, ticks;
wire end_of_second;
- assign vita_time = {seconds,ticks};
+
+ always @(posedge clk)
+ vita_time <= {seconds,ticks};
+
wire [63:0] vita_time_rcvd;
wire [31:0] next_ticks_preset, next_seconds_preset;
@@ -164,5 +168,11 @@ module time_64bit
assign debug = { { 24'b0} ,
{ 2'b0, exp_time_in, exp_time_out, mimo_sync, mimo_sync_now, sync_rcvd, send_sync} };
+
+ always @(posedge clk)
+ if(rst)
+ good_sync <= 0;
+ else if(sync_rcvd)
+ good_sync <= 1;
endmodule // time_64bit