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authorjcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5>2006-08-03 04:51:51 +0000
committerjcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5>2006-08-03 04:51:51 +0000
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tree8abf3004259c399ba18b7eea297c149bf2d980ce /toplevel/mrfm/mrfm_proc.v
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Houston, we have a trunk.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@3122 221aa14e-8319-0410-a670-987f0aec2ac5
Diffstat (limited to 'toplevel/mrfm/mrfm_proc.v')
-rw-r--r--toplevel/mrfm/mrfm_proc.v96
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diff --git a/toplevel/mrfm/mrfm_proc.v b/toplevel/mrfm/mrfm_proc.v
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+++ b/toplevel/mrfm/mrfm_proc.v
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+
+`include "mrfm.vh"
+`include "../../../firmware/include/fpga_regs_common.v"
+`include "../../../firmware/include/fpga_regs_standard.v"
+
+module mrfm_proc (input clock, input reset, input enable,
+ input [6:0] serial_addr, input [31:0] serial_data, input serial_strobe,
+ input [15:0] signal_in, output wire [15:0] signal_out, output wire sync_out,
+ output wire [15:0] i, output wire [15:0] q,
+ output wire [15:0] ip, output wire [15:0] qp,
+ output wire strobe_out, output wire [63:0] debugbus);
+
+ // Strobes
+ wire sample_strobe, strobe_0, strobe_1, strobe_2;
+ assign sample_strobe = 1'b1;
+ wire [7:0] rate_0, rate_1, rate_2;
+
+ setting_reg #(`FR_MRFM_DECIM) sr_decim(.clock(clock),.reset(reset),.strobe(serial_strobe),.addr(serial_addr),.in(serial_data),.out({rate_2,rate_1,rate_0}));
+
+ strobe_gen strobe_gen_0
+ ( .clock(clock),.reset(reset),.enable(enable),
+ .rate(rate_0),.strobe_in(sample_strobe),.strobe(strobe_0) );
+ strobe_gen strobe_gen_1
+ ( .clock(clock),.reset(reset),.enable(enable),
+ .rate(rate_1),.strobe_in(strobe_0),.strobe(strobe_1) );
+
+ wire [31:0] phase;
+
+ assign sync_out = phase[31];
+ wire [15:0] i_decim_0, i_decim_1, i_decim_2;
+ wire [15:0] q_decim_0, q_decim_1, q_decim_2;
+
+ wire [15:0] i_interp_0, i_interp_1, i_interp_2;
+ wire [15:0] q_interp_0, q_interp_1, q_interp_2;
+
+ wire [15:0] i_filt, q_filt, i_comp, q_comp;
+
+ assign ip=i_comp;
+ assign qp=q_comp;
+
+ phase_acc #(`FR_MRFM_FREQ,`FR_MRFM_PHASE,32) rx_phase_acc
+ (.clk(clock),.reset(reset),.enable(enable),
+ .serial_addr(serial_addr),.serial_data(serial_data),.serial_strobe(serial_strobe),
+ .strobe(sample_strobe),.phase(phase) );
+
+ cordic rx_cordic (.clock(clock),.reset(reset),.enable(enable),
+ .xi(signal_in),.yi(16'd0),.zi(phase[31:16]),
+ .xo(i_decim_0),.yo(q_decim_0),.zo() );
+
+ cic_decim cic_decim_i_0 (.clock(clock),.reset(reset),.enable(enable),
+ .rate(rate_0),.strobe_in(sample_strobe),.strobe_out(strobe_0),
+ .signal_in(i_decim_0),.signal_out(i_decim_1));
+ cic_decim cic_decim_i_1 (.clock(clock),.reset(reset),.enable(enable),
+ .rate(rate_1),.strobe_in(strobe_0),.strobe_out(strobe_1),
+ .signal_in(i_decim_1),.signal_out(i));
+
+ cic_decim cic_decim_q_0 (.clock(clock),.reset(reset),.enable(enable),
+ .rate(rate_0),.strobe_in(sample_strobe),.strobe_out(strobe_0),
+ .signal_in(q_decim_0),.signal_out(q_decim_1));
+ cic_decim cic_decim_q_1 (.clock(clock),.reset(reset),.enable(enable),
+ .rate(rate_1),.strobe_in(strobe_0),.strobe_out(strobe_1),
+ .signal_in(q_decim_1),.signal_out(q));
+
+ assign strobe_out = strobe_1;
+
+ biquad_2stage iir_i (.clock(clock),.reset(reset),.strobe_in(strobe_1),
+ .serial_strobe(serial_strobe),.serial_addr(serial_addr),.serial_data(serial_data),
+ .sample_in(i),.sample_out(i_filt),.debugbus(debugbus));
+
+ biquad_2stage iir_q (.clock(clock),.reset(reset),.strobe_in(strobe_1),
+ .serial_strobe(serial_strobe),.serial_addr(serial_addr),.serial_data(serial_data),
+ .sample_in(q),.sample_out(q_filt),.debugbus());
+
+ mrfm_compensator compensator (.clock(clock),.reset(reset),.strobe_in(strobe_1),
+ .serial_strobe(serial_strobe),.serial_addr(serial_addr),.serial_data(serial_data),
+ .i_in(i_filt),.q_in(q_filt),.i_out(i_comp),.q_out(q_comp));
+
+ cic_interp cic_interp_i_0 (.clock(clock),.reset(reset),.enable(enable),
+ .rate(rate_1),.strobe_in(strobe_1),.strobe_out(strobe_0),
+ .signal_in(i_comp),.signal_out(i_interp_0));
+ cic_interp cic_interp_i_1 (.clock(clock),.reset(reset),.enable(enable),
+ .rate(rate_0),.strobe_in(strobe_0),.strobe_out(sample_strobe),
+ .signal_in(i_interp_0),.signal_out(i_interp_1));
+
+ cic_interp cic_interp_q_0 (.clock(clock),.reset(reset),.enable(enable),
+ .rate(rate_1),.strobe_in(strobe_1),.strobe_out(strobe_0),
+ .signal_in(q_comp),.signal_out(q_interp_0));
+ cic_interp cic_interp_q_1 (.clock(clock),.reset(reset),.enable(enable),
+ .rate(rate_0),.strobe_in(strobe_0),.strobe_out(sample_strobe),
+ .signal_in(q_interp_0),.signal_out(q_interp_1));
+
+ cordic tx_cordic (.clock(clock),.reset(reset),.enable(enable),
+ .xi(i_interp_1),.yi(q_interp_1),.zi(-phase[31:16]),
+ .xo(signal_out),.yo(),.zo() );
+
+endmodule // mrfm_proc