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-rw-r--r--usrp2/vrt/vita_tx_chain.v5
-rw-r--r--usrp2/vrt/vita_tx_deframer.v11
2 files changed, 11 insertions, 5 deletions
diff --git a/usrp2/vrt/vita_tx_chain.v b/usrp2/vrt/vita_tx_chain.v
index bcdbea820..662cdca62 100644
--- a/usrp2/vrt/vita_tx_chain.v
+++ b/usrp2/vrt/vita_tx_chain.v
@@ -26,16 +26,17 @@ module vita_tx_chain
wire error;
wire [31:0] error_code;
+ wire clear_seqnum;
assign underrun = error;
assign message = error_code;
setting_reg #(.my_addr(BASE_CTRL+2), .at_reset(0)) sr_streamid
(.clk(clk),.rst(reset),.strobe(set_stb),.addr(set_addr),
- .in(set_data),.out(streamid),.changed());
+ .in(set_data),.out(streamid),.changed(clear_seqnum));
vita_tx_deframer #(.BASE(BASE_CTRL), .MAXCHAN(MAXCHAN)) vita_tx_deframer
- (.clk(clk), .reset(reset), .clear(clear_vita),
+ (.clk(clk), .reset(reset), .clear(clear_vita), .clear_seqnum(clear_seqnum),
.set_stb(set_stb),.set_addr(set_addr),.set_data(set_data),
.data_i(tx_data_i), .src_rdy_i(tx_src_rdy_i), .dst_rdy_o(tx_dst_rdy_o),
.sample_fifo_o(tx1_data), .sample_fifo_src_rdy_o(tx1_src_rdy), .sample_fifo_dst_rdy_i(tx1_dst_rdy),
diff --git a/usrp2/vrt/vita_tx_deframer.v b/usrp2/vrt/vita_tx_deframer.v
index 58878790d..f9cd7d00d 100644
--- a/usrp2/vrt/vita_tx_deframer.v
+++ b/usrp2/vrt/vita_tx_deframer.v
@@ -2,7 +2,7 @@
module vita_tx_deframer
#(parameter BASE=0,
parameter MAXCHAN=1)
- (input clk, input reset, input clear,
+ (input clk, input reset, input clear, input clear_seqnum,
input set_stb, input [7:0] set_addr, input [31:0] set_data,
// To FIFO interface of Buffer Pool
@@ -69,13 +69,19 @@ module vita_tx_deframer
wire fifo_space;
always @(posedge clk)
+ if(reset | clear_seqnum)
+ seqnum_reg <= 4'hF;
+ else
+ if((vita_state==VITA_HEADER) & src_rdy_i)
+ seqnum_reg <= seqnum;
+
+ always @(posedge clk)
if(reset | clear)
begin
vita_state <= VITA_HEADER;
{has_streamid_reg, has_classid_reg, has_secs_reg, has_tics_reg, has_trailer_reg, is_sob_reg, is_eob_reg}
<= 0;
seqnum_err <= 0;
- seqnum_reg <= 0;
end
else
if((vita_state == VITA_STORE) & fifo_space)
@@ -107,7 +113,6 @@ module vita_tx_deframer
vita_state <= VITA_TICS;
else
vita_state <= VITA_PAYLOAD;
- seqnum_reg <= seqnum;
seqnum_err <= ~(seqnum == next_seqnum);
end // case: VITA_HEADER
VITA_STREAMID :