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Diffstat (limited to 'usrp2/fpga/models/adc_model.v')
-rw-r--r-- | usrp2/fpga/models/adc_model.v | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/usrp2/fpga/models/adc_model.v b/usrp2/fpga/models/adc_model.v deleted file mode 100644 index e5a3ee0d86..0000000000 --- a/usrp2/fpga/models/adc_model.v +++ /dev/null @@ -1,48 +0,0 @@ - -module adc_model - (input clk, input rst, - output [13:0] adc_a, - output adc_ovf_a, - input adc_on_a, - input adc_oe_a, - output [13:0] adc_b, - output adc_ovf_b, - input adc_on_b, - input adc_oe_b - ); - - math_real math ( ) ; - - reg [13:0] adc_a_int = 0; - reg [13:0] adc_b_int = 0; - - assign adc_a = adc_oe_a ? adc_a_int : 14'bz; - assign adc_ovf_a = adc_oe_a ? 1'b0 : 1'bz; - assign adc_b = adc_oe_b ? adc_b_int : 14'bz; - assign adc_ovf_b = adc_oe_b ? 1'b0 : 1'bz; - - real phase = 0; - real freq = 330000/100000000; - - real scale = 8190; // math.pow(2,13)-2; - always @(posedge clk) - if(rst) - begin - adc_a_int <= 0; - adc_b_int <= 0; - end - else - begin - if(adc_on_a) - //adc_a_int <= $rtoi(math.round(math.sin(phase*math.MATH_2_PI)*scale)) ; - adc_a_int <= adc_a_int + 3; - if(adc_on_b) - adc_b_int <= adc_b_int - 7; - //adc_b_int <= $rtoi(math.round(math.cos(phase*math.MATH_2_PI)*scale)) ; - if(phase > 1) - phase <= phase + freq - 1; - else - phase <= phase + freq; - end - -endmodule // adc_model |