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c6748 FFT库函数使用方法



我在使用C6748,最近想使用FFT库函数C67xDSPLIB_v200,但是添加了库函数路径和头文件后使用DSPF_sp_cfftr2_dit(),或者DSPF_sp_fftSPxSP()还是会报错,这是为什么?我现在只是用gen_twiddle_fft_sp()和DSPF_sp_fftSPxSP()这两个函数可以吗?想问下正确使用c6748 FFT库函数的方法

错误提示:

Description Resource Path Location Type
#10010 errors encountered during linking; "DFT.out" not built DFT 
<a href="file:/C:/ccs5.2/ccsv5/tools/compiler/dmed/HTML/10234.html">#10234-D</a> unresolved symbols remain DFT 
unresolved symbol DSPF_sp_cfftr2_dit, first referenced in ./FFT.obj DFT 
unresolved symbol DSPF_sp_fftSPxSP, first referenced in ./FFT.obj DFT