3.4.2硬件测试（禁用缓存及使用缓存）

修改main.c文件中的代码可选择硬件测试模式，如下图所示：

重新编译之后，使用仿真器连接开发板，进入仿真状态，加载编译好的.out文件，执行得到如下结果：

 [C66xx_0]

Test signal

-Include 2V DC Component

-Include 3V AC Component,Frequency:50Hz Phase:-30 Degree

-Include 1.5V AC Component,Frequency:75Hz Phase:90 Degree

-Formula:y=2+3cos(2pi*50t-(30/180)pi)+1.5cos(2pi*75t+*(90/180)pi)

--------------------------- Cache Disabled ---------------------------

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1: 16 Point FFT Test

-Sampling Period:1s Sampling Frequency:16Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 7558

-Forward Transformation Execution Time is 7.5580000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 7442

-Inverse Transformation Execution Time is 7.4420000 us (CPU Frequency:1000MHz)

16 Point FFT Test End

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2: 32 Point FFT Test

-Sampling Period:1s Sampling Frequency:32Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 9380

-Forward Transformation Execution Time is 9.3800000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 9678

-Inverse Transformation Execution Time is 9.6780000 us (CPU Frequency:1000MHz)

32 Point FFT Test End

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3: 64 Point FFT Test

-Sampling Period:1s Sampling Frequency:64Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 19494

-Forward Transformation Execution Time is 19.4940000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 20236

-Inverse Transformation Execution Time is 20.2360000 us (CPU Frequency:1000MHz)

64 Point FFT Test End

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4: 128 Point FFT Test

-Sampling Period:1s Sampling Frequency:128Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 35840

-Forward Transformation Execution Time is 35.8400000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 37002

-Inverse Transformation Execution Time is 37.0020000 us (CPU Frequency:1000MHz)

128 Point FFT Test End

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5: 256 Point FFT Test

-Sampling Period:1s Sampling Frequency:256Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 83414

-Forward Transformation Execution Time is 83.4140000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 86428

-Inverse Transformation Execution Time is 86.4280000 us (CPU Frequency:1000MHz)

256 Point FFT Test End

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6: 512 Point FFT Test

-Sampling Period:1s Sampling Frequency:512Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 164924

-Forward Transformation Execution Time is 164.9240000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 168962

-Inverse Transformation Execution Time is 168.9620000 us (CPU Frequency:1000MHz)

512 Point FFT Test End

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7: 1024 Point FFT Test

-Sampling Period:1s Sampling Frequency:1024Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 314634

-Forward Transformation Execution Time is 314.6340000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 327308

-Inverse Transformation Execution Time is 327.3080000 us (CPU Frequency:1000MHz)

1024 Point FFT Test End

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8: 2048 Point FFT Test

-Sampling Period:1s Sampling Frequency:2048Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 619134

-Forward Transformation Execution Time is 619.1340000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 626648

-Inverse Transformation Execution Time is 626.6480000 us (CPU Frequency:1000MHz)

2048 Point FFT Test End

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9: 4096 Point FFT Test

-Sampling Period:1s Sampling Frequency:4096Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 1403024

-Forward Transformation Execution Time is 1403.0240000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 1391810

-Inverse Transformation Execution Time is 1391.8100000 us (CPU Frequency:1000MHz)

4096 Point FFT Test End

----------------------------------------------------------------------

10: 8192 Point FFT Test

-Sampling Period:1s Sampling Frequency:8192Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 3065058

-Forward Transformation Execution Time is 3065.0580000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 2942344

-Inverse Transformation Execution Time is 2942.3440000 us (CPU Frequency:1000MHz)

8192 Point FFT Test End

----------------------------------------------------------------------

11: 16384 Point FFT Test

-Sampling Period:1s Sampling Frequency:16384Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 7421890

-Forward Transformation Execution Time is 7421.8900000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 7359204

-Inverse Transformation Execution Time is 7359.2040000 us (CPU Frequency:1000MHz)

16384 Point FFT Test End

----------------------------------------------------------------------

12: 32768 Point FFT Test

-Sampling Period:1s Sampling Frequency:32768Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 16034550

-Forward Transformation Execution Time is 16034.5500000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 15501746

-Inverse Transformation Execution Time is 15501.7460000 us (CPU Frequency:1000MHz)

32768 Point FFT Test End

----------------------------------------------------------------------

13: 65536 Point FFT Test

-Sampling Period:1s Sampling Frequency:65536Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 36493010

-Forward Transformation Execution Time is 36493.0100000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 35923952

-Inverse Transformation Execution Time is 35923.9520000 us (CPU Frequency:1000MHz)

65536 Point FFT Test End

----------------------------------------------------------------------

14: 131072 Point FFT Test

-Sampling Period:1s Sampling Frequency:131072Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 76507454

-Forward Transformation Execution Time is 76507.4540000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 75288972

-Inverse Transformation Execution Time is 75288.9720000 us (CPU Frequency:1000MHz)

131072 Point FFT Test End

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15: 262144 Point FFT Test

-Sampling Period:1s Sampling Frequency:262144Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 195097318

-Forward Transformation Execution Time is 195097.3180000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 168462636

-Inverse Transformation Execution Time is 168462.6360000 us (CPU Frequency:1000MHz)

262144 Point FFT Test End

--------------------------- Cache Enabled ----------------------------

----------------------------------------------------------------------

1: 16 Point FFT Test

-Sampling Period:1s Sampling Frequency:16Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 2034

-Forward Transformation Execution Time is 2.0340000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 1638

-Inverse Transformation Execution Time is 1.6380000 us (CPU Frequency:1000MHz)

16 Point FFT Test End

----------------------------------------------------------------------

2: 32 Point FFT Test

-Sampling Period:1s Sampling Frequency:32Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 1048

-Forward Transformation Execution Time is 1.0480000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 1257

-Inverse Transformation Execution Time is 1.2570000 us (CPU Frequency:1000MHz)

32 Point FFT Test End

----------------------------------------------------------------------

3: 64 Point FFT Test

-Sampling Period:1s Sampling Frequency:64Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 1302

-Forward Transformation Execution Time is 1.3020000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 1513

-Inverse Transformation Execution Time is 1.5130000 us (CPU Frequency:1000MHz)

64 Point FFT Test End

----------------------------------------------------------------------

4: 128 Point FFT Test

-Sampling Period:1s Sampling Frequency:128Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 2080

-Forward Transformation Execution Time is 2.0800000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 2812

-Inverse Transformation Execution Time is 2.8120000 us (CPU Frequency:1000MHz)

128 Point FFT Test End

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5: 256 Point FFT Test

-Sampling Period:1s Sampling Frequency:256Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 4246

-Forward Transformation Execution Time is 4.2460000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 3828

-Inverse Transformation Execution Time is 3.8280000 us (CPU Frequency:1000MHz)

256 Point FFT Test End

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6: 512 Point FFT Test

-Sampling Period:1s Sampling Frequency:512Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 7632

-Forward Transformation Execution Time is 7.6320000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 7307

-Inverse Transformation Execution Time is 7.3070000 us (CPU Frequency:1000MHz)

512 Point FFT Test End

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7: 1024 Point FFT Test

-Sampling Period:1s Sampling Frequency:1024Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 14718

-Forward Transformation Execution Time is 14.7180000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 12958

-Inverse Transformation Execution Time is 12.9580000 us (CPU Frequency:1000MHz)

1024 Point FFT Test End

----------------------------------------------------------------------

8: 2048 Point FFT Test

-Sampling Period:1s Sampling Frequency:2048Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 27603

-Forward Transformation Execution Time is 27.6030000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 24465

-Inverse Transformation Execution Time is 24.4650000 us (CPU Frequency:1000MHz)

2048 Point FFT Test End

----------------------------------------------------------------------

9: 4096 Point FFT Test

-Sampling Period:1s Sampling Frequency:4096Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 55642

-Forward Transformation Execution Time is 55.6420000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 51792

-Inverse Transformation Execution Time is 51.7920000 us (CPU Frequency:1000MHz)

4096 Point FFT Test End

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10: 8192 Point FFT Test

-Sampling Period:1s Sampling Frequency:8192Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 117352

-Forward Transformation Execution Time is 117.3520000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 110913

-Inverse Transformation Execution Time is 110.9130000 us (CPU Frequency:1000MHz)

8192 Point FFT Test End

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11: 16384 Point FFT Test

-Sampling Period:1s Sampling Frequency:16384Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 305480

-Forward Transformation Execution Time is 305.4800000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 338549

-Inverse Transformation Execution Time is 338.5490000 us (CPU Frequency:1000MHz)

16384 Point FFT Test End

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12: 32768 Point FFT Test

-Sampling Period:1s Sampling Frequency:32768Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 704543

-Forward Transformation Execution Time is 704.5430000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 716023

-Inverse Transformation Execution Time is 716.0230000 us (CPU Frequency:1000MHz)

32768 Point FFT Test End

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13: 65536 Point FFT Test

-Sampling Period:1s Sampling Frequency:65536Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 1855574

-Forward Transformation Execution Time is 1855.5740000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 1759068

-Inverse Transformation Execution Time is 1759.0680000 us (CPU Frequency:1000MHz)

65536 Point FFT Test End

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14: 131072 Point FFT Test

-Sampling Period:1s Sampling Frequency:131072Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 4640602

-Forward Transformation Execution Time is 4640.6020000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 3878201

-Inverse Transformation Execution Time is 3878.2010000 us (CPU Frequency:1000MHz)

131072 Point FFT Test End

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15: 262144 Point FFT Test

-Sampling Period:1s Sampling Frequency:262144Hz Frequency Resolution:1Hz

-Forward Transformation Execution Cycle is 48638110

-Forward Transformation Execution Time is 48638.1100000 us (CPU Frequency:1000MHz)

-Inverse Transformation Execution Cycle is 14138131

-Inverse Transformation Execution Time is 14138.1310000 us (CPU Frequency:1000MHz)

262144 Point FFT Test End

Test Finished!