Moved usrp1 fpga files into usrp1 subdir.

1 files changed, 82 insertions, 0 deletions

diff --git a/usrp1/inband_lib/register_io.v b/usrp1/inband_lib/register_io.v
new file mode 100755
index 000000000..2b0cd1732
--- /dev/null
+++ b/usrp1/inband_lib/register_io.v
@@ -0,0 +1,82 @@
+module register_io
+	(clk, reset, enable, addr, datain, dataout, debugbus, addr_wr, data_wr, strobe_wr,
+	 rssi_0, rssi_1, rssi_2, rssi_3, threshhold, rssi_wait, reg_0, reg_1, reg_2, reg_3, 
+     debug_en, misc, txmux);   
+	
+	input clk;
+	input reset;
+	input wire [1:0] enable;
+	input wire [6:0] addr; 
+	input wire [31:0] datain;
+	output reg [31:0] dataout;
+	output wire [15:0] debugbus;
+	output reg [6:0] addr_wr;
+	output reg [31:0] data_wr;
+	output wire strobe_wr; 
+	input wire [31:0] rssi_0;
+	input wire [31:0] rssi_1;
+	input wire [31:0] rssi_2; 
+	input wire [31:0] rssi_3; 
+	output wire [31:0] threshhold;
+	output wire [31:0] rssi_wait;
+	input wire [15:0] reg_0;
+	input wire [15:0] reg_1; 
+	input wire [15:0] reg_2; 
+	input wire [15:0] reg_3;
+	input wire [3:0]  debug_en;
+	input wire [7:0]  misc;
+	input wire [31:0] txmux;
+	
+	reg strobe;
+	wire [31:0] out[2:1];
+	assign debugbus = {clk, enable, addr[2:0], datain[4:0], dataout[4:0]};
+	assign threshhold = out[1];
+	assign rssi_wait = out[2];
+	assign strobe_wr = strobe;
+	
+	always @(*)
+        if (reset | ~enable[1])
+           begin
+             strobe <= 0;
+		     dataout <= 0;
+		   end
+		else
+		   begin
+	         if (enable[0])
+	           begin
+	             //read
+				if (addr <= 7'd52 && addr > 7'd50)
+					dataout <= out[addr-7'd50];
+				else
+					dataout <= 32'hFFFFFFFF; 	
+	            strobe <= 0;
+              end
+             else
+               begin
+                 //write
+	             dataout <= dataout;
+                 strobe <= 1;
+				 data_wr <= datain;
+				 addr_wr <= addr;
+               end
+          end
+
+//register declarations
+    /*setting_reg #(50) setting_reg0(.clock(clk),.reset(reset),
+    .strobe(strobe_wr),.addr(addr_wr),.in(data_wr),.out(out[0]));*/
+    setting_reg #(51) setting_reg1(.clock(clk),.reset(reset),
+    .strobe(strobe_wr),.addr(addr_wr),.in(data_wr),.out(out[1]));
+    setting_reg #(52) setting_reg2(.clock(clk),.reset(reset),
+    .strobe(strobe_wr),.addr(addr_wr),.in(data_wr),.out(out[2]));
+    /*setting_reg #(53) setting_reg3(.clock(clk),.reset(reset),
+    .strobe(strobe_wr),.addr(addr_wr),.in(data_wr),.out(out[3]));
+    setting_reg #(54) setting_reg4(.clock(clk),.reset(reset),
+    .strobe(strobe_wr),.addr(addr_wr),.in(data_wr),.out(out[4]));
+    setting_reg #(55) setting_reg5(.clock(clk),.reset(reset),
+    .strobe(strobe_wr),.addr(addr_wr),.in(data_wr),.out(out[5]));
+    setting_reg #(56) setting_reg6(.clock(clk),.reset(reset),
+    .strobe(strobe_wr),.addr(addr_wr),.in(data_wr),.out(out[6]));
+    setting_reg #(57) setting_reg7(.clock(clk),.reset(reset),
+    .strobe(strobe_wr),.addr(addr_wr),.in(data_wr),.out(out[7]));*/
+
+endmodule