[Commit-gnuradio] r10482 - gnuradio/trunk/usrp2/fpga/top/u2_core

[matt]

Author: matt
Date: 2009-02-23 10:40:39 -0700 (Mon, 23 Feb 2009)
New Revision: 10482

Modified:
   gnuradio/trunk/usrp2/fpga/top/u2_core/u2_core.v
Log:
support for unmodified dbsrx boards


Modified: gnuradio/trunk/usrp2/fpga/top/u2_core/u2_core.v
===================================================================
--- gnuradio/trunk/usrp2/fpga/top/u2_core/u2_core.v     2009-02-23 17:40:09 UTC 
(rev 10481)
+++ gnuradio/trunk/usrp2/fpga/top/u2_core/u2_core.v     2009-02-23 17:40:39 UTC 
(rev 10482)
@@ -375,10 +375,18 @@
    assign       s3_rty = 1'b0;
    
    // GPIOs -- Slave #4
+   reg [4:0]    dbsrx_ctr;
+   reg                  dbsrx_clk;
+   always @(posedge dsp_clk)
+     if(dsp_rst) dbsrx_ctr <= 0;
+     else if(dbsrx_ctr == 24) dbsrx_ctr <= 0;
+     else dbsrx_ctr <= dbsrx_ctr + 1;
+   always @(posedge dsp_clk) dbsrx_clk <= (dbsrx_ctr == 24);
+   
    nsgpio nsgpio(.clk_i(wb_clk),.rst_i(wb_rst),
                 .cyc_i(s4_cyc),.stb_i(s4_stb),.adr_i(s4_adr[3:0]),.we_i(s4_we),
                 .dat_i(s4_dat_o),.dat_o(s4_dat_i),.ack_o(s4_ack),
-                .atr(atr_lines),.debug_0(debug_gpio_0),.debug_1(debug_gpio_1),
+                
.atr(atr_lines),.debug_0(debug_gpio_0),.debug_1({debug_gpio_1[31:1],dbsrx_clk}),
                 .gpio( {io_tx,io_rx} ) );
    assign       s4_err = 1'b0;
    assign       s4_rty = 1'b0;