Houston, we have a trunk.

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@3122 221aa14e-8319-0410-a670-987f0aec2ac5

1 files changed, 174 insertions, 0 deletions

diff --git a/tb/fullchip_tb.v b/tb/fullchip_tb.v
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+// -*- verilog -*-
+//
+//  USRP - Universal Software Radio Peripheral
+//
+//  Copyright (C) 2003 Matt Ettus
+//
+//  This program is free software; you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation; either version 2 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program; if not, write to the Free Software
+//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+
+
+// testbench for fullchip
+
+`timescale 1ns/1ns
+
+module fullchip_tb();
+
+`include "usrp_tasks.v"
+
+fullchip fullchip
+  (
+   .clk_120mhz(clk_120mhz),
+   .reset(reset),
+   .enable_rx(enable_rx),
+   .enable_tx(enable_tx),
+   .SLD(serload),
+   .SEN(serenable),
+   .clear_status(),
+   .SDI(serdata),
+   .SCLK(serclk),
+	  
+   .adc1_data(adc1_data),
+   .adc2_data(adc2_data),
+   .adc3_data(adc1_data),
+   .adc4_data(adc2_data),
+   
+   .dac1_data(dac1_data),
+   .dac2_data(dac2_data),
+   .dac3_data(),.dac4_data(),
+   
+   .adclk0(adclk),.adclk1(),
+   
+   .adc_oeb(),.adc_otr(4'b0),
+   
+   .clk_out(clk_out),
+   
+   .misc_pins(),
+   
+   // USB interface
+   .usbclk(usbclk),.usbctl(usbctl),
+   .usbrdy(usbrdy),.usbdata(usbdata)
+   );	
+	
+	reg clk_120mhz;
+	reg usbclk;
+	reg reset;
+
+	reg [11:0] adc1_data, adc2_data;
+	wire [13:0] dac1_data, dac2_data;
+
+	wire [5:0] usbctl;
+	wire [5:0] usbrdy;
+
+	wire [15:0] usbdata;
+
+	reg WE, RD, OE;
+
+        assign usbctl[0] = WE;
+        assign usbctl[1] = RD;
+        assign usbctl[2] = OE;
+	assign usbctl[5:3] = 0;
+
+        wire have_packet_rdy = usbrdy[1];
+   
+	reg tb_oe;
+   initial tb_oe=1'b1;
+   
+	assign usbdata = tb_oe ? usbdatareg : 16'hxxxx;
+	reg serload, serenable, serclk, serdata;
+	reg enable_tx, enable_rx;
+	reg [15:0] usbdatareg;
+
+///////////////////////////////////////////////
+//  Simulation Control
+initial
+begin
+	$dumpfile("fullchip_tb.vcd");
+	$dumpvars(0, fullchip_tb);
+end
+
+//initial #1000000 $finish;
+
+///////////////////////////////////////////////
+//  Monitors
+
+//initial $monitor(dac1_data);
+
+///////////////////////////////////////////////
+// Clock and reset
+
+initial clk_120mhz = 0;
+initial usbclk = 0;
+always #24 clk_120mhz = ~clk_120mhz;
+always #60 usbclk = ~usbclk;
+
+initial reset = 1'b1;
+initial #500 reset = 1'b0;
+
+/////////////////////////////////////////////////
+// Run AD input
+
+always @(posedge adclk)	 adc1_data <= #1 12'd1234;
+always @(posedge adclk)	 adc2_data <= #1 12'd1234;
+
+/////////////////////////////////////////////////
+// USB interface
+
+  initial 
+    begin
+       initialize_usb;
+       #30000 @(posedge usbclk);
+       burst_usb_write(257);
+       
+       #30000 burst_usb_read(256);
+       #10000 $finish;
+   
+//	repeat(30)
+//	begin
+//		write_from_usb;
+//		read_from_usb;
+//	end
+end
+
+/////////////////////////////////////////////////
+// TX and RX enable
+
+initial enable_tx = 1'b0;
+initial #40000 enable_tx = 1'b1;
+initial enable_rx = 1'b0;
+initial #40000 enable_rx = 1'b1;
+
+//////////////////////////////////////////////////
+// Set up control bus
+
+initial 
+begin
+	#1000 send_config_word(`ch1in_freq,32'h0); // 1 MHz on 60 MHz clock
+	send_config_word(`ch2in_freq,32'h0);
+	send_config_word(`ch3in_freq,32'h0);
+	send_config_word(`ch4in_freq,32'h0);
+	send_config_word(`ch1out_freq,32'h01234567);
+	send_config_word(`ch2out_freq,32'h0);
+	send_config_word(`ch3out_freq,32'h0);
+	send_config_word(`ch4out_freq,32'h0);
+	send_config_word(`misc,32'h0);
+	send_config_word(`rates,{8'd2,8'd12,8'h0f,8'h07});
+	// adc, ext, interp, decim
+end
+
+/////////////////////////////////////////////////////////
+
+endmodule
+