checkpoint. New context packet generator to report underruns and other errors

1 files changed, 43 insertions, 0 deletions

diff --git a/usrp2/vrt/vita_tx_chain.v b/usrp2/vrt/vita_tx_chain.v
new file mode 100644
index 000000000..17cfe1799
--- /dev/null
+++ b/usrp2/vrt/vita_tx_chain.v
@@ -0,0 +1,43 @@
+
+module vita_tx_chain
+  #(parameter SR_TX_CTRL=0,
+    parameter SR_TX_DSP=0)
+   (input dsp_clk, input dsp_rst,
+    input set_stb_dsp, input [7:0] set_addr_dsp, input [31:0] set_data_dsp,
+    input [63:0] vita_time,
+    input [35:0] tx_data_i, input tx_src_rdy_i, output tx_dst_rdy_o,
+    output [15:0] dac_a, output [15:0] dac_b,
+    output underrun, output run_tx,
+    output [31:0] debug);
+   
+   wire [31:0] 	  debug_vtc, debug_vtd, debug_tx_dsp;
+   wire [99:0] 	  tx1_data;
+   wire 	  tx1_src_rdy, tx1_dst_rdy;
+   wire 	  clear_vita;
+   wire [31:0] 	  sample_tx;
+   
+   vita_tx_deframer #(.BASE(SR_TX_CTRL), .MAXCHAN(1)) vita_tx_deframer
+     (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_vita),
+      .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
+      .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),
+      .debug(debug_vtd) );
+
+   vita_tx_control #(.BASE(SR_TX_CTRL), .WIDTH(32)) vita_tx_control
+     (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_vita),
+      .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
+      .vita_time(vita_time),.underrun(underrun),
+      .sample_fifo_i(tx1_data), .sample_fifo_src_rdy_i(tx1_src_rdy), .sample_fifo_dst_rdy_o(tx1_dst_rdy),
+      .sample(sample_tx), .run(run_tx), .strobe(strobe_tx),
+      .debug(debug_vtc) );
+   
+   dsp_core_tx #(.BASE(SR_TX_DSP)) dsp_core_tx
+     (.clk(dsp_clk),.rst(dsp_rst),
+      .set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
+      .sample(sample_tx), .run(run_tx), .strobe(strobe_tx),
+      .dac_a(dac_a),.dac_b(dac_b),
+      .debug(debug_tx_dsp) );
+
+   assign debug = debug_vtc | debug_vtd;
+   
+endmodule // vita_tx_chain