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-rw-r--r--usrp2/vrt/gen_context_pkt.v18
-rw-r--r--usrp2/vrt/vita_tx_chain.v2
-rw-r--r--usrp2/vrt/vita_tx_deframer.v10
3 files changed, 16 insertions, 14 deletions
diff --git a/usrp2/vrt/gen_context_pkt.v b/usrp2/vrt/gen_context_pkt.v
index 31c2a53e1..0eb035f3e 100644
--- a/usrp2/vrt/gen_context_pkt.v
+++ b/usrp2/vrt/gen_context_pkt.v
@@ -7,8 +7,8 @@ module gen_context_pkt
input [31:0] streamid,
input [63:0] vita_time,
input [31:0] message,
- input [15:0] seqnum0,
- input [15:0] seqnum1,
+ input [31:0] seqnum0,
+ input [31:0] seqnum1,
output [35:0] data_o, output src_rdy_o, input dst_rdy_i);
localparam CTXT_IDLE = 0;
@@ -19,8 +19,9 @@ module gen_context_pkt
localparam CTXT_TICS = 5;
localparam CTXT_TICS2 = 6;
localparam CTXT_MESSAGE = 7;
- localparam CTXT_FLOWCTRL = 8;
- localparam CTXT_DONE = 9;
+ localparam CTXT_FLOWCTRL0 = 8;
+ localparam CTXT_FLOWCTRL1 = 9;
+ localparam CTXT_DONE = 10;
reg [33:0] data_int;
wire src_rdy_int, dst_rdy_int;
@@ -35,7 +36,7 @@ module gen_context_pkt
else
if(trigger)
stored_message <= message;
- else if(ctxt_state == CTXT_FLOWCTRL)
+ else if(ctxt_state == CTXT_FLOWCTRL1)
stored_message <= 0;
always @(posedge clk)
@@ -70,14 +71,15 @@ module gen_context_pkt
always @*
case(ctxt_state)
- CTXT_PROT_ENG : data_int <= { 2'b01, 16'd1, 16'd28 };
- CTXT_HEADER : data_int <= { 1'b0, (PROT_ENG_FLAGS ? 1'b0 : 1'b1), 12'b010100001101, seqno, 16'd7 };
+ CTXT_PROT_ENG : data_int <= { 2'b01, 16'd1, 16'd32 };
+ CTXT_HEADER : data_int <= { 1'b0, (PROT_ENG_FLAGS ? 1'b0 : 1'b1), 12'b010100001101, seqno, 16'd8 };
CTXT_STREAMID : data_int <= { 2'b00, streamid };
CTXT_SECS : data_int <= { 2'b00, err_time[63:32] };
CTXT_TICS : data_int <= { 2'b00, 32'd0 };
CTXT_TICS2 : data_int <= { 2'b00, err_time[31:0] };
CTXT_MESSAGE : data_int <= { 2'b00, message };
- CTXT_FLOWCTRL : data_int <= { 2'b10, {seqnum1,seqnum0} };
+ CTXT_FLOWCTRL0 : data_int <= { 2'b00, seqnum0 };
+ CTXT_FLOWCTRL1 : data_int <= { 2'b10, seqnum1 };
default : data_int <= {2'b00, 32'b00};
endcase // case (ctxt_state)
diff --git a/usrp2/vrt/vita_tx_chain.v b/usrp2/vrt/vita_tx_chain.v
index 09da377f8..eee19bebf 100644
--- a/usrp2/vrt/vita_tx_chain.v
+++ b/usrp2/vrt/vita_tx_chain.v
@@ -29,7 +29,7 @@ module vita_tx_chain
wire error, packet_consumed;
wire [31:0] error_code;
wire clear_seqnum;
- wire [15:0] current_seqnum;
+ wire [31:0] current_seqnum;
assign underrun = error;
assign message = error_code;
diff --git a/usrp2/vrt/vita_tx_deframer.v b/usrp2/vrt/vita_tx_deframer.v
index d8575b745..40867cc55 100644
--- a/usrp2/vrt/vita_tx_deframer.v
+++ b/usrp2/vrt/vita_tx_deframer.v
@@ -15,7 +15,7 @@ module vita_tx_deframer
output sample_fifo_src_rdy_o,
input sample_fifo_dst_rdy_i,
- output [15:0] current_seqnum,
+ output [31:0] current_seqnum,
// FIFO Levels
output [15:0] fifo_occupied,
@@ -48,9 +48,9 @@ module vita_tx_deframer
reg [1:0] vector_phase;
wire line_done;
- wire [15:0] seqnum = data_i[15:0];
- reg [15:0] seqnum_reg;
- wire [15:0] next_seqnum = seqnum_reg + 16'd1;
+ wire [31:0] seqnum = data_i;
+ reg [31:0] seqnum_reg;
+ wire [31:0] next_seqnum = seqnum_reg + 32'd1;
wire [3:0] vita_seqnum = data_i[19:16];
reg [3:0] vita_seqnum_reg;
wire [3:0] next_vita_seqnum = vita_seqnum_reg[3:0] + 4'd1;
@@ -80,7 +80,7 @@ module vita_tx_deframer
always @(posedge clk)
if(reset | clear_seqnum)
begin
- seqnum_reg <= 16'hFFFF;
+ seqnum_reg <= 32'hFFFF_FFFF;
vita_seqnum_reg <= 4'hF;
end
else