diff options
Diffstat (limited to 'fpga/usrp1/toplevel/usrp_inband_usb/usrp_inband_usb.v')
| -rw-r--r-- | fpga/usrp1/toplevel/usrp_inband_usb/usrp_inband_usb.v | 428 |
1 files changed, 0 insertions, 428 deletions
diff --git a/fpga/usrp1/toplevel/usrp_inband_usb/usrp_inband_usb.v b/fpga/usrp1/toplevel/usrp_inband_usb/usrp_inband_usb.v deleted file mode 100644 index 49ed7444d..000000000 --- a/fpga/usrp1/toplevel/usrp_inband_usb/usrp_inband_usb.v +++ /dev/null @@ -1,428 +0,0 @@ -// -*- verilog -*- -// -// USRP - Universal Software Radio Peripheral -// -// Copyright (C) 2003,2004 Matt Ettus -// Copyright 2007 Free Software Foundation, Inc. -// -// 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 -// -`define TX_IN_BAND -`define RX_IN_BAND - -`include "config.vh" -`include "../../common/fpga_regs_common.v" -`include "../../common/fpga_regs_standard.v" - -module usrp_inband_usb -(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,clk128; - - wire WR = usbctl[0]; - wire RD = usbctl[1]; - wire OE = usbctl[2]; - - wire have_space, have_pkt_rdy; - assign usbrdy[0] = have_space; - assign usbrdy[1] = have_pkt_rdy; - - wire rx_overrun; - wire clear_status = FX2_1; - assign FX2_2 = rx_overrun; - assign FX2_3 = (tx_underrun == 0); - - wire [15:0] usbdata_out; - - wire [3:0] dac0mux,dac1mux,dac2mux,dac3mux; - - wire tx_realsignals; - wire [3:0] rx_numchan; - wire [2:0] tx_numchan; - - wire [7:0] interp_rate, decim_rate; - wire [15:0] tx_debugbus, rx_debugbus; - - wire enable_tx, enable_rx; - wire tx_dsp_reset, rx_dsp_reset, tx_bus_reset, rx_bus_reset; - wire [7:0] settings; - - // Tri-state bus macro - bustri bustri( .data(usbdata_out),.enabledt(OE),.tridata(usbdata) ); - - wire [15:0] ch0tx,ch1tx,ch2tx,ch3tx; //,ch4tx,ch5tx,ch6tx,ch7tx; - wire [15:0] ch0rx,ch1rx,ch2rx,ch3rx,ch4rx,ch5rx,ch6rx,ch7rx; - - // TX - wire [15:0] i_out_0,i_out_1,q_out_0,q_out_1; - wire [15:0] bb_tx_i0,bb_tx_q0,bb_tx_i1,bb_tx_q1; // bb_tx_i2,bb_tx_q2,bb_tx_i3,bb_tx_q3; - - wire strobe_interp, tx_sample_strobe; - wire tx_empty; - - wire serial_strobe; - wire [6:0] serial_addr; - wire [31:0] serial_data; - - reg [15:0] debug_counter; - reg [15:0] loopback_i_0,loopback_q_0; - - - //Connection RX inband <-> TX inband - wire rx_WR; - wire [15:0] rx_databus; - wire rx_WR_done; - wire rx_WR_enabled; - //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - // Transmit Side -`ifdef TX_ON - assign bb_tx_i0 = ch0tx; - assign bb_tx_q0 = ch1tx; - assign bb_tx_i1 = ch2tx; - assign bb_tx_q1 = ch3tx; - -wire [1:0] tx_underrun; - -`ifdef TX_IN_BAND - tx_buffer_inband tx_buffer - ( .usbclk(usbclk),.bus_reset(tx_bus_reset),.reset(tx_dsp_reset), - .usbdata(usbdata),.WR(WR),.have_space(have_space), - .tx_underrun(tx_underrun),.channels({tx_numchan,1'b0}), - .tx_i_0(ch0tx),.tx_q_0(ch1tx), - .tx_i_1(ch2tx),.tx_q_1(ch3tx), - .tx_i_2(),.tx_q_2(), - .tx_i_3(),.tx_q_3(), - .txclk(clk64),.txstrobe(strobe_interp), - .clear_status(clear_status), - .tx_empty(tx_empty), - .rx_WR(rx_WR), - .rx_databus(rx_databus), - .rx_WR_done(rx_WR_done), - .rx_WR_enabled(rx_WR_enabled), - .reg_addr(reg_addr), - .reg_data_out(reg_data_out), - .reg_data_in(reg_data_in), - .reg_io_enable(reg_io_enable), - .debugbus(rx_debugbus), - .rssi_0(rssi_0), .rssi_1(rssi_1), .rssi_2(rssi_2), - .rssi_3(rssi_3), .threshhold(rssi_threshhold), .rssi_wait(rssi_wait), - .stop(stop), .stop_time(stop_time)); - - `ifdef TX_DUAL - defparam tx_buffer.NUM_CHAN=2; - `endif - -`else - tx_buffer tx_buffer - ( .usbclk(usbclk),.bus_reset(tx_bus_reset),.reset(tx_dsp_reset), - .usbdata(usbdata),.WR(WR),.have_space(have_space),.tx_underrun(tx_underrun), - .channels({tx_numchan,1'b0}), - .tx_i_0(ch0tx),.tx_q_0(ch1tx), - .tx_i_1(ch2tx),.tx_q_1(ch3tx), - .tx_i_2(),.tx_q_2(), - .tx_i_3(),.tx_q_3(), - .txclk(clk64),.txstrobe(strobe_interp), - .clear_status(clear_status), - .tx_empty(tx_empty)); -`endif - - `ifdef TX_EN_0 - tx_chain tx_chain_0 - ( .clock(clk64),.reset(tx_dsp_reset),.enable(enable_tx), - .interp_rate(interp_rate),.sample_strobe(tx_sample_strobe), - .interpolator_strobe(strobe_interp),.freq(), - .i_in(bb_tx_i0),.q_in(bb_tx_q0),.i_out(i_out_0),.q_out(q_out_0) ); - `else - assign i_out_0=16'd0; - assign q_out_0=16'd0; - `endif - - `ifdef TX_EN_1 - tx_chain tx_chain_1 - ( .clock(clk64),.reset(tx_dsp_reset),.enable(enable_tx), - .interp_rate(interp_rate),.sample_strobe(tx_sample_strobe), - .interpolator_strobe(strobe_interp),.freq(), - .i_in(bb_tx_i1),.q_in(bb_tx_q1),.i_out(i_out_1),.q_out(q_out_1) ); - `else - assign i_out_1=16'd0; - assign q_out_1=16'd0; - `endif - - setting_reg #(`FR_TX_MUX) - sr_txmux(.clock(clk64),.reset(tx_dsp_reset),.strobe(serial_strobe),.addr(serial_addr),.in(serial_data), - .out({dac3mux,dac2mux,dac1mux,dac0mux,tx_realsignals,tx_numchan})); - - wire [15:0] tx_a_a = dac0mux[3] ? (dac0mux[1] ? (dac0mux[0] ? q_out_1 : i_out_1) : (dac0mux[0] ? q_out_0 : i_out_0)) : 16'b0; - wire [15:0] tx_b_a = dac1mux[3] ? (dac1mux[1] ? (dac1mux[0] ? q_out_1 : i_out_1) : (dac1mux[0] ? q_out_0 : i_out_0)) : 16'b0; - wire [15:0] tx_a_b = dac2mux[3] ? (dac2mux[1] ? (dac2mux[0] ? q_out_1 : i_out_1) : (dac2mux[0] ? q_out_0 : i_out_0)) : 16'b0; - wire [15:0] tx_b_b = dac3mux[3] ? (dac3mux[1] ? (dac3mux[0] ? q_out_1 : i_out_1) : (dac3mux[0] ? q_out_0 : i_out_0)) : 16'b0; - - wire txsync = tx_sample_strobe; - assign TXSYNC_A = txsync; - assign TXSYNC_B = txsync; - - assign tx_a = txsync ? tx_b_a[15:2] : tx_a_a[15:2]; - assign tx_b = txsync ? tx_b_b[15:2] : tx_a_b[15:2]; -`endif // `ifdef TX_ON - - ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - // Receive Side -`ifdef RX_ON - wire rx_sample_strobe,strobe_decim,hb_strobe; - wire [15:0] bb_rx_i0,bb_rx_q0,bb_rx_i1,bb_rx_q1, - bb_rx_i2,bb_rx_q2,bb_rx_i3,bb_rx_q3; - - wire loopback = settings[0]; - wire counter = settings[1]; - - always @(posedge clk64) - if(rx_dsp_reset) - debug_counter <= #1 16'd0; - else if(~enable_rx) - debug_counter <= #1 16'd0; - else if(hb_strobe) - debug_counter <=#1 debug_counter + 16'd2; - - always @(posedge clk64) - if(strobe_interp) - begin - loopback_i_0 <= #1 ch0tx; - loopback_q_0 <= #1 ch1tx; - end - - assign ch0rx = counter ? debug_counter : loopback ? loopback_i_0 : bb_rx_i0; - assign ch1rx = counter ? debug_counter + 16'd1 : loopback ? loopback_q_0 : bb_rx_q0; - assign ch2rx = bb_rx_i1; - assign ch3rx = bb_rx_q1; - assign ch4rx = bb_rx_i2; - assign ch5rx = bb_rx_q2; - assign ch6rx = bb_rx_i3; - assign ch7rx = bb_rx_q3; - - wire [15:0] ddc0_in_i,ddc0_in_q,ddc1_in_i,ddc1_in_q,ddc2_in_i,ddc2_in_q,ddc3_in_i,ddc3_in_q; - wire [31:0] rssi_0,rssi_1,rssi_2,rssi_3; - adc_interface adc_interface(.clock(clk64),.reset(rx_dsp_reset),.enable(1'b1), - .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_a_b),.rx_b_b(rx_b_b), - .rssi_0(rssi_0),.rssi_1(rssi_1),.rssi_2(rssi_2),.rssi_3(rssi_3), - .ddc0_in_i(ddc0_in_i),.ddc0_in_q(ddc0_in_q), - .ddc1_in_i(ddc1_in_i),.ddc1_in_q(ddc1_in_q), - .ddc2_in_i(ddc2_in_i),.ddc2_in_q(ddc2_in_q), - .ddc3_in_i(ddc3_in_i),.ddc3_in_q(ddc3_in_q),.rx_numchan(rx_numchan)); - `ifdef RX_IN_BAND - rx_buffer_inband 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(ch0rx),.ch_1(ch1rx), - .ch_2(ch2rx),.ch_3(ch3rx), - .ch_4(ch4rx),.ch_5(ch5rx), - .ch_6(ch6rx),.ch_7(ch7rx), - .rxclk(clk64),.rxstrobe(hb_strobe), - .clear_status(clear_status), - .rx_WR(rx_WR), - .rx_databus(rx_databus), - .rx_WR_done(rx_WR_done), - .rx_WR_enabled(rx_WR_enabled), - .debugbus(tx_debugbus), - .rssi_0(rssi_0), .rssi_1(rssi_1), .rssi_2(rssi_2), .rssi_3(rssi_3), - .tx_underrun(tx_underrun)); - - `ifdef RX_DUAL - defparam rx_buffer.NUM_CHAN=2; - `endif - - `else - 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(ch0rx),.ch_1(ch1rx), - .ch_2(ch2rx),.ch_3(ch3rx), - .ch_4(ch4rx),.ch_5(ch5rx), - .ch_6(ch6rx),.ch_7(ch7rx), - .rxclk(clk64),.rxstrobe(hb_strobe), - .clear_status(clear_status), - .serial_addr(serial_addr),.serial_data(serial_data),.serial_strobe(serial_strobe)); - `endif - - `ifdef RX_EN_0 - rx_chain #(`FR_RX_FREQ_0,`FR_RX_PHASE_0) rx_chain_0 - ( .clock(clk64),.reset(1'b0),.enable(enable_rx), - .decim_rate(decim_rate),.sample_strobe(rx_sample_strobe),.decimator_strobe(strobe_decim),.hb_strobe(hb_strobe), - .serial_addr(serial_addr),.serial_data(serial_data),.serial_strobe(serial_strobe), - .i_in(ddc0_in_i),.q_in(ddc0_in_q),.i_out(bb_rx_i0),.q_out(bb_rx_q0),.debugdata(debugdata),.debugctrl(debugctrl)); - `else - assign bb_rx_i0=16'd0; - assign bb_rx_q0=16'd0; - `endif - - `ifdef RX_EN_1 - rx_chain #(`FR_RX_FREQ_1,`FR_RX_PHASE_1) rx_chain_1 - ( .clock(clk64),.reset(1'b0),.enable(enable_rx), - .decim_rate(decim_rate),.sample_strobe(rx_sample_strobe),.decimator_strobe(strobe_decim),.hb_strobe(), - .serial_addr(serial_addr),.serial_data(serial_data),.serial_strobe(serial_strobe), - .i_in(ddc1_in_i),.q_in(ddc1_in_q),.i_out(bb_rx_i1),.q_out(bb_rx_q1)); - `else - assign bb_rx_i1=16'd0; - assign bb_rx_q1=16'd0; - `endif - - `ifdef RX_EN_2 - rx_chain #(`FR_RX_FREQ_2,`FR_RX_PHASE_2) rx_chain_2 - ( .clock(clk64),.reset(1'b0),.enable(enable_rx), - .decim_rate(decim_rate),.sample_strobe(rx_sample_strobe),.decimator_strobe(strobe_decim),.hb_strobe(), - .serial_addr(serial_addr),.serial_data(serial_data),.serial_strobe(serial_strobe), - .i_in(ddc2_in_i),.q_in(ddc2_in_q),.i_out(bb_rx_i2),.q_out(bb_rx_q2)); - `else - assign bb_rx_i2=16'd0; - assign bb_rx_q2=16'd0; - `endif - - `ifdef RX_EN_3 - rx_chain #(`FR_RX_FREQ_3,`FR_RX_PHASE_3) rx_chain_3 - ( .clock(clk64),.reset(1'b0),.enable(enable_rx), - .decim_rate(decim_rate),.sample_strobe(rx_sample_strobe),.decimator_strobe(strobe_decim),.hb_strobe(), - .serial_addr(serial_addr),.serial_data(serial_data),.serial_strobe(serial_strobe), - .i_in(ddc3_in_i),.q_in(ddc3_in_q),.i_out(bb_rx_i3),.q_out(bb_rx_q3)); - `else - assign bb_rx_i3=16'd0; - assign bb_rx_q3=16'd0; - `endif - -`endif // `ifdef RX_ON - - /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - // Control Functions - - wire [31:0] capabilities; - assign capabilities[7] = `TX_CAP_HB; - assign capabilities[6:4] = `TX_CAP_NCHAN; - assign capabilities[3] = `RX_CAP_HB; - assign capabilities[2:0] = `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(addr_db),.serial_data(data_db),.serial_strobe(strobe_db), - .readback_0({io_rx_a,io_tx_a}),.readback_1({io_rx_b,io_tx_b}),.readback_2(capabilities),.readback_3(32'hf0f0931a), - .readback_4(rssi_0),.readback_5(rssi_1),.readback_6(rssi_2),.readback_7(rssi_3) - ); - - wire [6:0] reg_addr; - wire [31:0] reg_data_out; - wire [31:0] reg_data_in; - wire [1:0] reg_io_enable; - wire [31:0] rssi_threshhold; - wire [31:0] rssi_wait; - wire [6:0] addr_wr; - wire [31:0] data_wr; - wire strobe_wr; - wire [6:0] addr_db; - wire [31:0] data_db; - wire strobe_db; - assign serial_strobe = strobe_db | strobe_wr; - assign serial_addr = (strobe_db)? (addr_db) : (addr_wr); - assign serial_data = (strobe_db)? (data_db) : (data_wr); - //assign serial_strobe = strobe_wr; - //assign serial_data = data_wr; - //assign serial_addr = addr_wr; - - register_io register_control - (.clk(clk64),.reset(1'b0),.enable(reg_io_enable),.addr(reg_addr),.datain(reg_data_in), - .dataout(reg_data_out), .addr_wr(addr_wr), .data_wr(data_wr), .strobe_wr(strobe_wr), - .rssi_0(rssi_0), .rssi_1(rssi_1), .rssi_2(rssi_2), - .rssi_3(rssi_3), .threshhold(rssi_threshhold), .rssi_wait(rssi_wait), - .reg_0(reg_0),.reg_1(reg_1),.reg_2(reg_2),.reg_3(reg_3), - .debug_en(debug_en), .misc(settings), - .txmux({dac3mux,dac2mux,dac1mux,dac0mux,tx_realsignals,tx_numchan})); - - - //implementing freeze mode - reg [15:0] timestop; - wire stop; - wire [15:0] stop_time; - assign clk64 = (timestop == 0) ? master_clk : 0; - always @(posedge master_clk) - if (timestop[15:0] != 0) - timestop <= timestop - 16'd1; - else if (stop) - timestop <= stop_time; - - - 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(interp_rate),.decim_rate(decim_rate), - .tx_sample_strobe(tx_sample_strobe),.strobe_interp(strobe_interp), - .rx_sample_strobe(rx_sample_strobe),.strobe_decim(strobe_decim), - .tx_empty(tx_empty), - //.debug_0(rx_a_a),.debug_1(ddc0_in_i), - .debug_0(rx_debugbus),.debug_1(ddc0_in_i), - .debug_2({rx_sample_strobe,strobe_decim,serial_strobe,serial_addr}),.debug_3({rx_dsp_reset,tx_dsp_reset,rx_bus_reset,tx_bus_reset,enable_rx,tx_underrun,rx_overrun,decim_rate}), - .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)); - - //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - // Misc Settings - setting_reg #(`FR_MODE) sr_misc(.clock(clk64),.reset(rx_dsp_reset),.strobe(serial_strobe),.addr(serial_addr),.in(serial_data),.out(settings)); - -endmodule // usrp_inband_usb |