A digital audio frequency sweep generator is developed with TMS320F28234 DSP chip in our design. The system consists of a sweep signal generation and conditioning module, band-stop network module, amplitude-frequency characteristic test module, digital amplitude-frequency equalization module and interaction module. The sweep signal generated by PWM module inner DSP pass the low-pass filter and then input the band-stop network. Digital signal processing technology is used in DSP to test the amplitude-frequency characteristic, and the test results are showed on computer monitor by the SCI of DSP, the amplitude-frequency equalization section computes the coefficients and order of the filter by matlab and trap characteristic measured in the basic part, then we achieve the equalization of the band-stop network, and complete all the requested indicators.

客户端软件
..........\使用说明.txt
..........\软件
..........\....\ago4501.dll
..........\....\COM.exe
..........\....\Data.txt
..........\....\myskin.bsk
..........\....\SkinBeauty.dll
..........\....\temp.txt
..........\....\v4501v.dll
..........\....\v4501v.lib
DSP28234_code
.............\DSP2833x_common
.............\...............\cmd
.............\...............\...\28332_RAM_lnk.cmd
.............\...............\...\28334_RAM_lnk.cmd
.............\...............\...\28335_RAM_lnk.cmd
.............\...............\...\F28332.cmd
.............\...............\...\F28334.cmd
.............\...............\...\F28335.cmd
.............\...............\gel
.............\...............\...\ccsv4
.............\...............\...\.....\f28232.gel
.............\...............\...\.....\f28234.gel
.............\...............\...\.....\f28235.gel
.............\...............\...\.....\f28332.gel
.............\...............\...\.....\f28334.gel
.............\...............\...\.....\f28335.gel
.............\...............\...\f28232.gel
.............\...............\...\f28234.gel
.............\...............\...\f28235.gel
.............\...............\...\f28332.gel
.............\...............\...\f28334.gel
.............\...............\...\f28335.gel
.............\...............\include
.............\...............\.......\DSP2833x_DefaultIsr.h
.............\...............\.......\DSP2833x_Dma_defines.h
.............\...............\.......\DSP2833x_EPwm_defines.h
.............\...............\.......\DSP2833x_Examples.h
.............\...............\.......\DSP2833x_GlobalPrototypes.h
.............\...............\.......\DSP2833x_I2c_defines.h
.............\...............\.......\DSP2833x_SWPrioritizedIsrLevels.h
.............\...............\.......\DSP28x_Project.h
.............\...............\.......\IQmathLib.h
.............\...............\.......\SFO.h
.............\...............\.......\SFO_V5.h
.............\...............\lib
.............\...............\...\IQmath.lib
.............\...............\...\IQmath_fpu32.lib
.............\...............\...\SFO_TI_Build.lib
.............\...............\...\SFO_TI_Build_fpu.lib
.............\...............\...\SFO_TI_Build_V5.lib
.............\...............\...\SFO_TI_Build_V5B.lib
.............\...............\...\SFO_TI_Build_V5B_fpu.lib
.............\...............\...\SFO_TI_Build_V5_fpu.lib
.............\...............\source
.............\...............\......\Debug
.............\...............\......\.....\DSP2833x_ADC_cal.obj
.............\...............\......\DSP2833x_Adc.c
.............\...............\......\DSP2833x_ADC_cal.asm
.............\...............\......\DSP2833x_CodeStartBranch.asm
.............\...............\......\DSP2833x_CpuTimers.c
.............\...............\......\DSP2833x_CSMPasswords.asm
.............\...............\......\DSP2833x_DBGIER.asm
.............\...............\......\DSP2833x_DefaultIsr.c
.............\...............\......\DSP2833x_DisInt.asm
.............\...............\......\DSP2833x_DMA.c
.............\...............\......\DSP2833x_ECan.c
.............\...............\......\DSP2833x_ECap.c
.............\...............\......\DSP2833x_EPwm.c
.............\...............\......\DSP2833x_EQep.c
.............\...............\......\DSP2833x_Gpio.c
.............\...............\......\DSP2833x_I2C.c
.............\...............\......\DSP2833x_Mcbsp.c
.............\...............\......\DSP2833x_MemCopy.c
.............\...............\......\DSP2833x_PieCtrl.c
.............\...............\......\DSP2833x_PieVect.c
.............\...............\......\DSP2833x_Sci.c
.............\...............\......\DSP2833x_Spi.c
.............\...............\......\DSP2833x_SWPrioritizedDefaultIsr.c
.............\...............\......\DSP2833x_SWPrioritizedPieVect.c
.............\...............\......\DSP2833x_SysCtrl.c
.............\...............\......\DSP2833x_usDelay.asm
.............\...............\......\DSP2833x_Xintf.c
.............\DSP2833x_headers
.............\.............

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