diff options
Diffstat (limited to 'fpga/usrp3/lib/vita')
| -rw-r--r-- | fpga/usrp3/lib/vita/new_tx_control.v | 40 | 
1 files changed, 20 insertions, 20 deletions
| diff --git a/fpga/usrp3/lib/vita/new_tx_control.v b/fpga/usrp3/lib/vita/new_tx_control.v index 4cdb54a24..910cc1f83 100644 --- a/fpga/usrp3/lib/vita/new_tx_control.v +++ b/fpga/usrp3/lib/vita/new_tx_control.v @@ -4,26 +4,26 @@ module new_tx_control    #(parameter BASE=0)     (input clk, input reset, input clear,      input set_stb, input [7:0] set_addr, input [31:0] set_data, -     +      input [63:0] vita_time,      output reg ack_or_error,      output packet_consumed,      output [11:0] seqnum,      output reg [63:0] error_code,      output [31:0] sid, -     +      // From tx_deframer      input [175:0] sample_tdata,      input sample_tvalid,      output sample_tready, -     +      // To DSP Core -    output [31:0] sample,     +    output [31:0] sample,      output run,    input strobe, -     +      output [31:0] debug      ); -    +     wire [31:0] 	  sample1 = sample_tdata[31:0];     wire [31:0] 	  sample0 = sample_tdata[63:32];     wire [63:0] 	  send_time = sample_tdata[127:64]; @@ -33,39 +33,39 @@ module new_tx_control     wire 	  eob = sample_tdata[173];     wire 	  send_at = sample_tdata[174];     wire 	  odd = sample_tdata[175]; -    +     wire 	  now, early, late, too_early;     wire 	  policy_next_burst, policy_next_packet, policy_wait;     wire 	  clear_seqnum; -    +     setting_reg #(.my_addr(BASE), .width(3)) sr_error_policy       (.clk(clk),.rst(reset),.strobe(set_stb),.addr(set_addr),        .in(set_data),.out({policy_next_burst,policy_next_packet,policy_wait}),.changed(clear_seqnum)); -   time_compare  +   time_compare       time_compare (.clk(clk), .reset(reset), .time_now(vita_time), .trigger_time(send_time),  		   .now(now), .early(early), .late(late), .too_early(too_early));     assign run = (state == ST_SAMP0) | (state == ST_SAMP1); -    +     assign sample = (state == ST_SAMP0) ? sample0 : sample1; -    +     reg [2:0] 	 state; -    +     localparam ST_IDLE  = 0;     localparam ST_SAMP0 = 1;     localparam ST_SAMP1 = 2;     localparam ST_ERROR = 3;     localparam ST_WAIT  = 4; +   reg [11:0]  expected_seqnum; +     wire [63:0] CODE_EOB_ACK            = {32'd1,20'd0,seqnum};     wire [63:0] CODE_UNDERRUN           = {32'd2,20'd0,seqnum}; -   wire [63:0] CODE_SEQ_ERROR          = {32'd4,20'd0,seqnum}; +   wire [63:0] CODE_SEQ_ERROR          = {32'd4,4'd0,expected_seqnum,4'd0,seqnum};     wire [63:0] CODE_TIME_ERROR         = {32'd8,20'd0,seqnum};     wire [63:0] CODE_UNDERRUN_MIDPKT    = {32'd16,20'd0,seqnum}; -   wire [63:0] CODE_SEQ_ERROR_MIDBURST = {32'd32,20'd0,seqnum}; - -   reg [11:0]  expected_seqnum; +   wire [63:0] CODE_SEQ_ERROR_MIDBURST = {32'd32,4'd0,expected_seqnum,4'd0,seqnum};     always @(posedge clk)       if(reset | clear | clear_seqnum) @@ -73,14 +73,14 @@ module new_tx_control       else         if(sample_tvalid & sample_tready & eop)  	 expected_seqnum <= seqnum + 12'd1; -    +     always @(posedge clk)       if(reset | clear)         begin  	  state <= ST_IDLE;  	  ack_or_error <= 1'b0;  	  error_code <= 64'd0; -       end      +       end       else         case(state)  	 ST_IDLE : @@ -151,7 +151,7 @@ module new_tx_control     assign sample_tready = (state == ST_ERROR) | (strobe & ( (state == ST_SAMP1) | ((state == ST_SAMP0) & eop & odd) ) );     assign packet_consumed = eop & sample_tvalid & sample_tready; -    +     assign debug = {  		   error_code[37:32], // [30:25]  		   error_code[11:0], // [24:13] @@ -168,5 +168,5 @@ module new_tx_control  		   state[2:0] //  [2:0]  		   }; -    +  endmodule // new_tx_control | 
