diff options
Diffstat (limited to 'usrp/fpga/toplevel/mrfm/mrfm_compensator.v')
-rw-r--r-- | usrp/fpga/toplevel/mrfm/mrfm_compensator.v | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/usrp/fpga/toplevel/mrfm/mrfm_compensator.v b/usrp/fpga/toplevel/mrfm/mrfm_compensator.v deleted file mode 100644 index f44b73b2f..000000000 --- a/usrp/fpga/toplevel/mrfm/mrfm_compensator.v +++ /dev/null @@ -1,80 +0,0 @@ - - -module mrfm_compensator (input clock, input reset, input strobe_in, - input serial_strobe, input [6:0] serial_addr, input [31:0] serial_data, - input [15:0] i_in, input [15:0] q_in, output reg [15:0] i_out, output reg [15:0] q_out); - - wire [15:0] a11,a12,a21,a22; - reg [15:0] i_in_reg, q_in_reg; - wire [30:0] product; - reg [3:0] phase; - wire [15:0] data,coeff; - wire [7:0] shift; - wire [33:0] accum; - wire [15:0] scaled_accum; - wire enable_acc; - - setting_reg #(`FR_MRFM_COMP_A11) sr_a11(.clock(clock),.reset(reset), - .strobe(serial_strobe),.addr(serial_addr),.in(serial_data), - .out(a11),.changed()); - setting_reg #(`FR_MRFM_COMP_A12) sr_a12(.clock(clock),.reset(reset), - .strobe(serial_strobe),.addr(serial_addr),.in(serial_data), - .out(a12),.changed()); - setting_reg #(`FR_MRFM_COMP_A21) sr_a21(.clock(clock),.reset(reset), - .strobe(serial_strobe),.addr(serial_addr),.in(serial_data), - .out(a21),.changed()); - setting_reg #(`FR_MRFM_COMP_A22) sr_a22(.clock(clock),.reset(reset), - .strobe(serial_strobe),.addr(serial_addr),.in(serial_data), - .out(a22),.changed()); - setting_reg #(`FR_MRFM_COMP_SHIFT) sr_cshift(.clock(clock),.reset(reset), - .strobe(serial_strobe),.addr(serial_addr),.in(serial_data), - .out(shift),.changed()); - - mult mult (.clock(clock),.x(data),.y(coeff),.product(product),.enable_in(1'b1),.enable_out() ); - acc acc (.clock(clock),.reset(reset),.clear(clear_acc),.enable_in(enable_acc),.enable_out(), - .addend(product),.sum(accum) ); - shifter shifter (.in(accum),.out(scaled_accum),.shift(shift)); - - always @(posedge clock) - if(reset) - begin - i_in_reg <= #1 16'd0; - q_in_reg <= #1 16'd0; - end - else if(strobe_in) - begin - i_in_reg <= #1 i_in; - q_in_reg <= #1 q_in; - end - - always @(posedge clock) - if(reset) - phase <= #1 4'd0; - else if(strobe_in) - phase <= #1 4'd1; - else if(strobe_in != 4'd8) - phase <= #1 phase + 4'd1; - - assign data = ((phase == 4'd1)||(phase === 4'd4)) ? i_in_reg : - ((phase == 4'd2)||(phase == 4'd5)) ? q_in_reg : 16'd0; - - assign coeff = (phase == 4'd1) ? a11 : (phase == 4'd2) ? a12 : - (phase == 4'd4) ? a21 : (phase == 4'd5) ? a22 : 16'd0; - - assign clear_acc = (phase == 4'd0) || (phase == 4'd1) || (phase == 4'd4) || (phase==4'd8); - assign enable_acc = ~clear_acc; - - always @(posedge clock) - if(reset) - i_out <= #1 16'd0; - else if(phase == 4'd4) - i_out <= #1 scaled_accum; - - always @(posedge clock) - if(reset) - q_out <= #1 16'd0; - else if(phase == 4'd7) - q_out <= #1 scaled_accum; - - -endmodule // mrfm_compensator |