input_fm.v

FM收音机的解码及控制器VHDL语言实现

module input_fm (clock, clear, test_signal_fm, test_signal_fmtri);

  input  	clock;
  input  	clear;
  output [7:0]	test_signal_fm;
  output [7:0]	test_signal_fmtri;
  reg    [7:0]	test_signal_fm;
  reg    [7:0]	test_signal_fmtri;

  reg 	[7:0]  test_signal_fm_int;
  reg 	[7:0]  test_signal_fmtri_int;
  reg 	[9:0]  counter;
  wire	[10:0]  counter_tmp;
  wire	[9:0]  one_increment;

  always @ ( counter )
    if ((counter[0] & counter[1] & counter[2] & ~(counter[3]) & ~(counter[4]) & counter[5]
 & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b10001010;
    else if ((~(counter[0]) & counter[1] & counter[2] & ~(counter[3]) & ~(counter[4]) & counter[5]
 & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b10100111;
    else if ((counter[0] & ~(counter[1]) & counter[2] & ~(counter[3]) & ~(counter[4]) & counter[5]
 & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b11010001;
    else if ((~(counter[0]) & ~(counter[1]) & counter[2] & ~(counter[3]) & ~(counter[4]) & counter[5]
 & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b00000010;
    else if ((counter[0] & counter[1] & ~(counter[2]) & ~(counter[3]) & ~(counter[4]) & counter[5]
 & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b00110100;
    else if ((~(counter[0]) & counter[1] & ~(counter[2]) & ~(counter[3]) & ~(counter[4]) & counter[5]
 & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b01011101;
    else if ((counter[0] & ~(counter[1]) & ~(counter[2]) & ~(counter[3]) & ~(counter[4]) & counter[5]
 & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b01111000;
    else if ((~(counter[0]) & ~(counter[1]) & ~(counter[2]) & ~(counter[3]) & ~(counter[4])
 & counter[5] & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b01111111;
    else if ((counter[0] & counter[1] & counter[2] & counter[3] & counter[4] & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b01110100;
    else if ((~(counter[0]) & counter[1] & counter[2] & counter[3] & counter[4] & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b01010111;
    else if ((counter[0] & ~(counter[1]) & counter[2] & counter[3] & counter[4] & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b00101100;
    else if ((~(counter[0]) & ~(counter[1]) & counter[2] & counter[3] & counter[4] & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b11111010;
    else if ((counter[0] & counter[1] & ~(counter[2]) & counter[3] & counter[4] & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b11001001;
    else if ((~(counter[0]) & counter[1] & ~(counter[2]) & counter[3] & counter[4] & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b10100001;
    else if ((counter[0] & ~(counter[1]) & ~(counter[2]) & counter[3] & counter[4] & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b10000111;
    else if ((~(counter[0]) & ~(counter[1]) & ~(counter[2]) & counter[3] & counter[4] & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b10000000;
    else if ((counter[0] & counter[1] & counter[2] & ~(counter[3]) & counter[4] & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b10001101;
    else if ((~(counter[0]) & counter[1] & counter[2] & ~(counter[3]) & counter[4] & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b10101100;
    else if ((counter[0] & ~(counter[1]) & counter[2] & ~(counter[3]) & counter[4] & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b11011000;
    else if ((~(counter[0]) & ~(counter[1]) & counter[2] & ~(counter[3]) & counter[4] & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b00001001;
    else if ((counter[0] & counter[1] & ~(counter[2]) & ~(counter[3]) & counter[4] & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b00111010;
    else if ((~(counter[0]) & counter[1] & ~(counter[2]) & ~(counter[3]) & counter[4] & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b01100001;
    else if ((counter[0] & ~(counter[1]) & ~(counter[2]) & ~(counter[3]) & counter[4] & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b01111010;
    else if ((~(counter[0]) & ~(counter[1]) & ~(counter[2]) & ~(counter[3]) & counter[4] & 
~(counter[5]) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b01111111;
    else if ((counter[0] & counter[1] & counter[2] & counter[3] & ~(counter[4]) & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b01110001;
    else if ((~(counter[0]) & counter[1] & counter[2] & counter[3] & ~(counter[4]) & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b01010010;
    else if ((counter[0] & ~(counter[1]) & counter[2] & counter[3] & ~(counter[4]) & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b00100110;
    else if ((~(counter[0]) & ~(counter[1]) & counter[2] & counter[3] & ~(counter[4]) & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b11110011;
    else if ((counter[0] & counter[1] & ~(counter[2]) & counter[3] & ~(counter[4]) & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b11000011;
    else if ((~(counter[0]) & counter[1] & ~(counter[2]) & counter[3] & ~(counter[4]) & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b10011101;
    else if ((counter[0] & ~(counter[1]) & ~(counter[2]) & counter[3] & ~(counter[4]) & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b10000101;
    else if ((~(counter[0]) & ~(counter[1]) & ~(counter[2]) & counter[3] & ~(counter[4]) & 
~(counter[5]) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b10000001;
    else if ((counter[0] & counter[1] & counter[2] & ~(counter[3]) & ~(counter[4]) & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b10010000;
    else if ((~(counter[0]) & counter[1] & counter[2] & ~(counter[3]) & ~(counter[4]) & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b10110000;
    else if ((counter[0] & ~(counter[1]) & counter[2] & ~(counter[3]) & ~(counter[4]) & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b11011101;
    else if ((~(counter[0]) & ~(counter[1]) & counter[2] & ~(counter[3]) & ~(counter[4]) & 
~(counter[5]) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b00001111;
    else if ((counter[0] & counter[1] & ~(counter[2]) & ~(counter[3]) & ~(counter[4]) & ~(counter[5]
) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b00111111;
    else if ((~(counter[0]) & counter[1] & ~(counter[2]) & ~(counter[3]) & ~(counter[4]) & 
~(counter[5]) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b01100101;
    else if ((counter[0] & ~(counter[1]) & ~(counter[2]) & ~(counter[3]) & ~(counter[4]) & 
~(counter[5]) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b01111011;
    else if ((~(counter[0]) & ~(counter[1]) & ~(counter[2]) & ~(counter[3]) & ~(counter[4])
 & ~(counter[5]) & counter[6] & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b01111111;
    else if ((counter[0] & counter[1] & counter[2] & counter[3] & counter[4] & counter[5] &
 ~(counter[6]) & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b01101111;
    else if ((~(counter[0]) & counter[1] & counter[2] & counter[3] & counter[4] & counter[5]
 & ~(counter[6]) & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b01001110;
    else if ((counter[0] & ~(counter[1]) & counter[2] & counter[3] & counter[4] & counter[5]
 & ~(counter[6]) & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b00100001;
    else if ((~(counter[0]) & ~(counter[1]) & counter[2] & counter[3] & counter[4] & counter[5]
 & ~(counter[6]) & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b11101110;
    else if ((counter[0] & counter[1] & ~(counter[2]) & counter[3] & counter[4] & counter[5]
 & ~(counter[6]) & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b10111111;
    else if ((~(counter[0]) & counter[1] & ~(counter[2]) & counter[3] & counter[4] & counter[5]
 & ~(counter[6]) & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b10011010;
    else if ((counter[0] & ~(counter[1]) & ~(counter[2]) & counter[3] & counter[4] & counter[5]
 & ~(counter[6]) & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b10000100;
    else if ((~(counter[0]) & ~(counter[1]) & ~(counter[2]) & counter[3] & counter[4] & counter[5]
 & ~(counter[6]) & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b10000001;
    else if ((counter[0] & counter[1] & counter[2] & ~(counter[3]) & counter[4] & counter[5]
 & ~(counter[6]) & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b10010010;
    else if ((~(counter[0]) & counter[1] & counter[2] & ~(counter[3]) & counter[4] & counter[5]
 & ~(counter[6]) & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b10110100;
    else if ((counter[0] & ~(counter[1]) & counter[2] & ~(counter[3]) & counter[4] & counter[5]
 & ~(counter[6]) & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b11100010;
    else if ((~(counter[0]) & ~(counter[1]) & counter[2] & ~(counter[3]) & counter[4] & counter[5]
 & ~(counter[6]) & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b00010100;
    else if ((counter[0] & counter[1] & ~(counter[2]) & ~(counter[3]) & counter[4] & counter[5]
 & ~(counter[6]) & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b01000011;
    else if ((~(counter[0]) & counter[1] & ~(counter[2]) & ~(counter[3]) & counter[4] & counter[5]
 & ~(counter[6]) & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b01101000;
    else if ((counter[0] & ~(counter[1]) & ~(counter[2]) & ~(counter[3]) & counter[4] & counter[5]
 & ~(counter[6]) & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b01111101;
    else if ((~(counter[0]) & ~(counter[1]) & ~(counter[2]) & ~(counter[3]) & counter[4] & counter[5]
 & ~(counter[6]) & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b01111110;
    else if ((counter[0] & counter[1] & counter[2] & counter[3] & ~(counter[4]) & counter[5]
 & ~(counter[6]) & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b01101101;
    else if ((~(counter[0]) & counter[1] & counter[2] & counter[3] & ~(counter[4]) & counter[5]
 & ~(counter[6]) & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b01001010;
    else if ((counter[0] & ~(counter[1]) & counter[2] & counter[3] & ~(counter[4]) & counter[5]
 & ~(counter[6]) & counter[7] & counter[8] & counter[9]) == 1'b1) test_signal_fmtri_int = 8'b00011101;