@@ -1,76 +1,96 | |||||
1 | LIBRARY ieee; |
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1 | LIBRARY ieee; | |
2 | USE ieee.std_logic_1164.ALL; |
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2 | USE ieee.std_logic_1164.ALL; | |
3 |
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3 | |||
4 |
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4 | |||
5 | LIBRARY lpp; |
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5 | LIBRARY lpp; | |
6 | USE lpp.lpp_memory.ALL; |
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6 | USE lpp.lpp_memory.ALL; | |
7 | USE lpp.iir_filter.ALL; |
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7 | USE lpp.iir_filter.ALL; | |
8 | USE lpp.spectral_matrix_package.ALL; |
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8 | USE lpp.spectral_matrix_package.ALL; | |
9 | USE lpp.lpp_dma_pkg.ALL; |
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9 | USE lpp.lpp_dma_pkg.ALL; | |
10 | USE lpp.lpp_Header.ALL; |
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10 | USE lpp.lpp_Header.ALL; | |
11 | USE lpp.lpp_matrix.ALL; |
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11 | USE lpp.lpp_matrix.ALL; | |
12 | USE lpp.lpp_matrix.ALL; |
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12 | USE lpp.lpp_matrix.ALL; | |
13 | USE lpp.lpp_lfr_pkg.ALL; |
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13 | USE lpp.lpp_lfr_pkg.ALL; | |
14 | USE lpp.lpp_fft.ALL; |
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14 | USE lpp.lpp_fft.ALL; | |
15 | USE lpp.fft_components.ALL; |
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15 | USE lpp.fft_components.ALL; | |
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16 | USE lpp.window_function_pkg.ALL; | |||
16 |
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17 | |||
17 | ENTITY lpp_lfr_ms_FFT IS |
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18 | ENTITY lpp_lfr_ms_FFT IS | |
18 | PORT ( |
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19 | PORT ( | |
19 | clk : IN STD_LOGIC; |
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20 | clk : IN STD_LOGIC; | |
20 | rstn : IN STD_LOGIC; |
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21 | rstn : IN STD_LOGIC; | |
21 | -- IN |
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22 | -- IN | |
22 | sample_valid : IN STD_LOGIC; |
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23 | sample_valid : IN STD_LOGIC; | |
23 | fft_read : IN STD_LOGIC; |
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24 | fft_read : IN STD_LOGIC; | |
24 | sample_data : IN STD_LOGIC_VECTOR(15 DOWNTO 0); |
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25 | sample_data : IN STD_LOGIC_VECTOR(15 DOWNTO 0); | |
25 | sample_load : OUT STD_LOGIC; |
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26 | sample_load : OUT STD_LOGIC; | |
26 |
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27 | |||
27 | --OUT |
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28 | --OUT | |
28 | fft_pong : OUT STD_LOGIC; |
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29 | fft_pong : OUT STD_LOGIC; | |
29 | fft_data_im : OUT STD_LOGIC_VECTOR(15 DOWNTO 0); |
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30 | fft_data_im : OUT STD_LOGIC_VECTOR(15 DOWNTO 0); | |
30 | fft_data_re : OUT STD_LOGIC_VECTOR(15 DOWNTO 0); |
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31 | fft_data_re : OUT STD_LOGIC_VECTOR(15 DOWNTO 0); | |
31 | fft_data_valid : OUT STD_LOGIC; |
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32 | fft_data_valid : OUT STD_LOGIC; | |
32 | fft_ready : OUT STD_LOGIC |
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33 | fft_ready : OUT STD_LOGIC | |
33 |
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34 | |||
34 | ); |
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35 | ); | |
35 | END; |
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36 | END; | |
36 |
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37 | |||
37 | ARCHITECTURE Behavioral OF lpp_lfr_ms_FFT IS |
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38 | ARCHITECTURE Behavioral OF lpp_lfr_ms_FFT IS | |
38 |
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39 | |||
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40 | SIGNAL data_win : STD_LOGIC_VECTOR(15 DOWNTO 0); | |||
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41 | SIGNAL data_win_valid : STD_LOGIC; | |||
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42 | ||||
39 | BEGIN |
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43 | BEGIN | |
40 |
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44 | |||
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45 | window_hanning: window_function | |||
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46 | GENERIC MAP ( | |||
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47 | SIZE_DATA => 16, | |||
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48 | SIZE_PARAM => 15, | |||
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49 | NB_POINT_BY_WINDOW => 256) | |||
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50 | PORT MAP ( | |||
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51 | clk => clk, | |||
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52 | rstn => rstn, | |||
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53 | ||||
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54 | restart_window => '0', | |||
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55 | data_in => sample_data, | |||
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56 | data_in_valid => sample_valid, | |||
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57 | ||||
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58 | data_out => data_win, | |||
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59 | data_out_valid => data_win_valid); | |||
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60 | ||||
41 |
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61 | ----------------------------------------------------------------------------- | |
42 | -- FFT |
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62 | -- FFT | |
43 | ----------------------------------------------------------------------------- |
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63 | ----------------------------------------------------------------------------- | |
44 | CoreFFT_1 : CoreFFT |
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64 | CoreFFT_1 : CoreFFT | |
45 | GENERIC MAP ( |
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65 | GENERIC MAP ( | |
46 | LOGPTS => gLOGPTS, |
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66 | LOGPTS => gLOGPTS, | |
47 | LOGLOGPTS => gLOGLOGPTS, |
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67 | LOGLOGPTS => gLOGLOGPTS, | |
48 | WSIZE => gWSIZE, |
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68 | WSIZE => gWSIZE, | |
49 | TWIDTH => gTWIDTH, |
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69 | TWIDTH => gTWIDTH, | |
50 | DWIDTH => gDWIDTH, |
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70 | DWIDTH => gDWIDTH, | |
51 | TDWIDTH => gTDWIDTH, |
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71 | TDWIDTH => gTDWIDTH, | |
52 | RND_MODE => gRND_MODE, |
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72 | RND_MODE => gRND_MODE, | |
53 | SCALE_MODE => gSCALE_MODE, |
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73 | SCALE_MODE => gSCALE_MODE, | |
54 | PTS => gPTS, |
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74 | PTS => gPTS, | |
55 | HALFPTS => gHALFPTS, |
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75 | HALFPTS => gHALFPTS, | |
56 | inBuf_RWDLY => gInBuf_RWDLY) |
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76 | inBuf_RWDLY => gInBuf_RWDLY) | |
57 | PORT MAP ( |
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77 | PORT MAP ( | |
58 | clk => clk, |
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78 | clk => clk, | |
59 | ifiStart => '0', -- '1' |
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79 | ifiStart => '0', -- '1' | |
60 | ifiNreset => rstn, |
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80 | ifiNreset => rstn, | |
61 |
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81 | |||
62 |
ifiD_valid => |
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82 | ifiD_valid => data_win_valid, -- IN | |
63 | ifiRead_y => fft_read, |
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83 | ifiRead_y => fft_read, | |
64 | ifiD_im => (OTHERS => '0'), -- IN |
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84 | ifiD_im => (OTHERS => '0'), -- IN | |
65 |
ifiD_re => |
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85 | ifiD_re => data_win, -- IN | |
66 | ifoLoad => sample_load, -- IN |
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86 | ifoLoad => sample_load, -- IN | |
67 |
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87 | |||
68 | ifoPong => fft_pong, |
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88 | ifoPong => fft_pong, | |
69 | ifoY_im => fft_data_im, |
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89 | ifoY_im => fft_data_im, | |
70 | ifoY_re => fft_data_re, |
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90 | ifoY_re => fft_data_re, | |
71 | ifoY_valid => fft_data_valid, |
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91 | ifoY_valid => fft_data_valid, | |
72 | ifoY_rdy => fft_ready); |
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92 | ifoY_rdy => fft_ready); | |
73 |
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93 | |||
74 | ----------------------------------------------------------------------------- |
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94 | ----------------------------------------------------------------------------- | |
75 |
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95 | |||
76 | END Behavioral; |
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96 | END Behavioral; |
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