From: matt <matt@221aa14e-8319-0410-a670-987f0aec2ac5>
Date: Thu, 26 Feb 2009 04:27:08 +0000 (+0000)
Subject: remove support for unmodified dbsrx because there is way too much phase noise.  only... 
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=877bb0fb32b188f0eb7a697ace229d04653eff58;p=debian%2Fgnuradio

remove support for unmodified dbsrx because there is way too much phase noise.  only modified dbsrx are supported


git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@10521 221aa14e-8319-0410-a670-987f0aec2ac5
---

diff --git a/usrp2/firmware/lib/db_dbsrx.c b/usrp2/firmware/lib/db_dbsrx.c
index d7433f25..1797d3c4 100644
--- a/usrp2/firmware/lib/db_dbsrx.c
+++ b/usrp2/firmware/lib/db_dbsrx.c
@@ -69,10 +69,10 @@ struct db_dbsrx {
 };
 
 struct db_dbsrx db_dbsrx = {
-  .base.dbid = 0x0002,
+  .base.dbid = 0x000d,
   .base.is_tx = false,
-  .base.output_enables = 0x0001,
-  .base.used_pins = 0x0001,
+  .base.output_enables = 0x0000,
+  .base.used_pins = 0x0000,
   .base.freq_min = U2_DOUBLE_TO_FXPT_FREQ(500e6),
   .base.freq_max = U2_DOUBLE_TO_FXPT_FREQ(2.6e9),
   .base.gain_min = U2_DOUBLE_TO_FXPT_GAIN(0),
@@ -111,9 +111,6 @@ db_dbsrx_init(struct db_base *dbb){
   db->base.set_gain(dbb, (db->base.gain_max + db->base.gain_min)/2);
   clocks_enable_rx_dboard(true, REFCLK_DIVISOR);  // Gives 4 MHz clock
 
-  hal_gpio_set_sel(GPIO_RX_BANK, 0, '1');
-
-
   return true;
 }
 
diff --git a/usrp2/fpga/top/u2_core/u2_core.v b/usrp2/fpga/top/u2_core/u2_core.v
index 4fd5f6a6..90bfb747 100755
--- a/usrp2/fpga/top/u2_core/u2_core.v
+++ b/usrp2/fpga/top/u2_core/u2_core.v
@@ -375,18 +375,10 @@ module u2_core
    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[31:1],dbsrx_clk}),
+		 .atr(atr_lines),.debug_0(debug_gpio_0),.debug_1(debug_gpio_1),
 		 .gpio( {io_tx,io_rx} ) );
    assign 	 s4_err = 1'b0;
    assign 	 s4_rty = 1'b0;