--- /dev/null
+// -*- verilog -*-
+//
+// USRP - Universal Software Radio Peripheral
+//
+// Copyright (C) 2003,2004 Matt Ettus
+// Copyright (C) 2007 Corgan Enterprises LLC
+//
+// 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., 51 Franklin Street, Boston, MA 02110-1301 USA
+//
+
+// Top level module for a full setup with DUCs and DDCs
+
+// Define DEBUG_OWNS_IO_PINS if we're using the daughterboard i/o pins
+// for debugging info. NB, This can kill the m'board and/or d'board if you
+// have anything except basic d'boards installed.
+
+// Uncomment the following to include optional circuitry
+
+module usrp_sounder
+(output MYSTERY_SIGNAL,
+ input master_clk,
+ input SCLK,
+ input SDI,
+ inout SDO,
+ input SEN_FPGA,
+
+ input FX2_1,
+ output FX2_2,
+ output FX2_3,
+
+ input wire [11:0] rx_a_a,
+ input wire [11:0] rx_b_a,
+ input wire [11:0] rx_a_b,
+ input wire [11:0] rx_b_b,
+
+ output wire [13:0] tx_a,
+ output wire [13:0] tx_b,
+
+ output wire TXSYNC_A,
+ output wire TXSYNC_B,
+
+ // USB interface
+ input usbclk,
+ input wire [2:0] usbctl,
+ output wire [1:0] usbrdy,
+ inout [15:0] usbdata, // NB Careful, inout
+
+ // These are the general purpose i/o's that go to the daughterboard slots
+ inout wire [15:0] io_tx_a,
+ inout wire [15:0] io_tx_b,
+ inout wire [15:0] io_rx_a,
+ inout wire [15:0] io_rx_b
+ );
+ wire [15:0] debugdata,debugctrl;
+ assign MYSTERY_SIGNAL = 1'b0;
+
+ wire clk64;
+
+ // wire WR = usbctl[0];
+ wire RD = usbctl[1];
+ wire OE = usbctl[2];
+
+ wire have_pkt_rdy;
+ assign usbrdy[0] = 1'b0; // have_space;
+ assign usbrdy[1] = have_pkt_rdy;
+
+ wire tx_underrun, rx_overrun;
+ wire clear_status = FX2_1;
+ assign FX2_2 = rx_overrun;
+ assign FX2_3 = 1'b0; // tx_underrun;
+
+ wire [15:0] usbdata_out;
+
+ wire [3:0] rx_numchan;
+ wire enable_tx, enable_rx;
+ wire tx_dsp_reset, rx_dsp_reset, tx_bus_reset, rx_bus_reset;
+
+ // Tri-state bus macro
+ bustri bustri( .data(usbdata_out),.enabledt(OE),.tridata(usbdata) );
+
+ assign clk64 = master_clk;
+
+ // TX
+ wire tx_sample_strobe;
+ wire tx_empty;
+
+ wire serial_strobe;
+ wire [6:0] serial_addr;
+ wire [31:0] serial_data;
+
+ ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+ // Transmit Side
+
+ wire [15:0] tx_i, tx_q;
+ wire [15:0] tx_dac;
+
+ dac_interface dac(.clk_i(clk64),.rst_i(tx_dsp_reset),.ena_i(enable_tx),
+ .strobe_i(tx_sample_strobe),.tx_i_i(tx_i),.tx_q_i(tx_q),
+ .tx_data_o(tx_dac),.tx_sync_o(TXSYNC_A));
+
+ assign tx_a = tx_dac[15:2];
+
+ // Wedge DAC #2 at zero
+ assign TXSYNC_B = 1'b0;
+ assign tx_b = 14'b0;
+
+ /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+ // Receive Side
+ wire rx_sample_strobe, rx_strobe;
+ wire [15:0] rx_adc0_i, rx_adc0_q;
+ wire [15:0] rx_buf_i, rx_buf_q;
+
+ adc_interface adc_interface(.clock(clk64),.reset(rx_dsp_reset),.enable(enable_rx),
+ .serial_addr(serial_addr),.serial_data(serial_data),.serial_strobe(serial_strobe),
+ .rx_a_a(rx_a_a),.rx_b_a(rx_b_a),.rx_a_b(),.rx_b_b(),
+ .rssi_0(),.rssi_1(),.rssi_2(),.rssi_3(),
+ .ddc0_in_i(rx_adc0_i),.ddc0_in_q(rx_adc0_q),
+ .ddc1_in_i(),.ddc1_in_q(),
+ .ddc2_in_i(),.ddc2_in_q(),
+ .ddc3_in_i(),.ddc3_in_q(),.rx_numchan(rx_numchan) );
+
+ rx_buffer rx_buffer
+ ( .usbclk(usbclk),.bus_reset(rx_bus_reset),.reset(rx_dsp_reset),
+ .reset_regs(rx_dsp_reset),
+ .usbdata(usbdata_out),.RD(RD),.have_pkt_rdy(have_pkt_rdy),.rx_overrun(rx_overrun),
+ .channels(rx_numchan),
+ .ch_0(rx_buf_i),.ch_1(rx_buf_q),
+ .ch_2(),.ch_3(),
+ .ch_4(),.ch_5(),
+ .ch_6(),.ch_7(),
+ .rxclk(clk64),.rxstrobe(rx_strobe),
+ .clear_status(clear_status),
+ .serial_addr(serial_addr),.serial_data(serial_data),.serial_strobe(serial_strobe),
+ .debugbus() );
+
+
+ ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+ // Top level application
+
+ sounder sounder
+ ( .clk_i(clk64),.saddr_i(serial_addr),.sdata_i(serial_data),.s_strobe_i(serial_strobe),
+ .tx_rst_i(tx_dsp_reset),.tx_enable_i(enable_tx),.tx_strobe_i(tx_sample_strobe),
+ .tx_dac_i_o(tx_i),.tx_dac_q_o(tx_q),
+ .rx_rst_i(rx_dsp_reset),.rx_enable_i(enable_rx),.rx_strobe_i(rx_sample_strobe),.rx_strobe_o(rx_strobe),
+ .rx_adc_i_i(rx_adc0_i),.rx_adc_q_i(rx_adc0_q),.rx_imp_i_o(rx_buf_i),.rx_imp_q_o(rx_buf_q)
+ );
+
+
+ ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+ // Control Functions
+
+ wire [31:0] capabilities;
+ assign capabilities[7] = 0; // `TX_CAP_HB;
+ assign capabilities[6:4] = 2; // `TX_CAP_NCHAN;
+ assign capabilities[3] = 0; // `RX_CAP_HB;
+ assign capabilities[2:0] = 2; // `RX_CAP_NCHAN;
+
+ serial_io serial_io
+ ( .master_clk(clk64),.serial_clock(SCLK),.serial_data_in(SDI),
+ .enable(SEN_FPGA),.reset(1'b0),.serial_data_out(SDO),
+ .serial_addr(serial_addr),.serial_data(serial_data),.serial_strobe(serial_strobe),
+ .readback_0(),.readback_1(),.readback_2(capabilities),.readback_3(),
+ .readback_4(),.readback_5(),.readback_6(),.readback_7()
+ );
+
+ wire [15:0] reg_0,reg_1,reg_2,reg_3;
+ master_control master_control
+ ( .master_clk(clk64),.usbclk(usbclk),
+ .serial_addr(serial_addr),.serial_data(serial_data),.serial_strobe(serial_strobe),
+ .tx_bus_reset(tx_bus_reset),.rx_bus_reset(rx_bus_reset),
+ .tx_dsp_reset(tx_dsp_reset),.rx_dsp_reset(rx_dsp_reset),
+ .enable_tx(enable_tx),.enable_rx(enable_rx),
+ .interp_rate(),.decim_rate(),
+ .tx_sample_strobe(tx_sample_strobe),.strobe_interp(),
+ .rx_sample_strobe(rx_sample_strobe),.strobe_decim(),
+ .tx_empty(tx_empty),
+ .debug_0(),.debug_1(),
+ .debug_2(),.debug_3(),
+ .reg_0(reg_0),.reg_1(reg_1),.reg_2(reg_2),.reg_3(reg_3) );
+
+ io_pins io_pins
+ (.io_0(io_tx_a),.io_1(io_rx_a),.io_2(io_tx_b),.io_3(io_rx_b),
+ .reg_0(reg_0),.reg_1(reg_1),.reg_2(reg_2),.reg_3(reg_3),
+ .clock(clk64),.rx_reset(rx_dsp_reset),.tx_reset(tx_dsp_reset),
+ .serial_addr(serial_addr),.serial_data(serial_data),.serial_strobe(serial_strobe));
+
+endmodule // usrp_sounder
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