Texas Instruments TMS320C64X Bedienungsanleitung PDF herunterladen (Seite 154)

DSPLIB Software Updates

B-2

B.1 DSPLIB Software Updates

C64x DSPLIB software updates may be periodically released incorporating

product enhancements and fixes as they become available. You should read

the README.TXT available in the root directory of every release.

B.2 DSPLIB Customer Support

If you have questions or want to report problems or suggestions regarding the

C64x DSPLIB, contact Texas Instruments at [email protected].

DSPLIB Software Updates / DSPLIB Customer Support

1 2 ... 149 150 151 152 153 154 155 156 157 158 159 ... 168 169

TMS320C64x+ DSP 1
Little-Endian DSP Library 1
Programmer’s Reference 1
Read This First 3
Trademarks 4
Contents 5
Introduction 9
1.2 Features and Benefits 12
Installing and Using DSPLIB 13
2.1 How to Install DSPLIB 14
2.2 Using DSPLIB 15
(log2(nx)−cei[log4(nx)−1]) 16
(log2(nx)) 16
2.3 How to Rebuild DSPLIB 17
DSPLIB Function Tables 19
3.2 DSPLIB Functions 21
3.3 DSPLIB Function Tables 22
Table 3−4. FFT (Continued) 23
Table 3−6. Math 24
Table 3−7. Matrix 24
Table 3−8. Miscellaneous 25
Table 3−9. Obsolete Functions 25
DSPLIB Reference 29
4.1 Adaptive Filtering 30
DSP_firlms2 31
4.2 Correlation 32
DSP_autocor 33
DSP_autocor_rA8 34
AutoCorrelation 34
DSP_fft16x16 36
DSP_fft16x16_imre 39
DSP_fft16x16r 42
DSP_fft16x32 52
DSP_fft32x32 54
DSP_fft32x32s 56
DSP_ifft16x16 58
DSP_ifft16x16_imre 60
DSP_ifft16x32 62
DSP_ifft32x32 64
4.4 Filtering and Convolution 66
DSP_fir_cplx 67
DSP_fir_cplx_hM4X4 68
Complex FIR Filter 68
DSP_fir_gen 70
FIR Filter 70
DSP_fir_gen_hM17_rA8X8 72
DSP_fir_r4 74
DSP_fir_r8 76
DSP_fir_r8_hM16_rM8A8X8 78
DSP_fir_sym 80
Symmetric FIR Filter 80
IIR With 5 Coefficients 82
DSP_iirlat 84
All-Pole IIR Lattice Filter 84
4.5 Math 86
DSP_dotp_sqr 87
DSP_dotprod 88
Vector Dot Product 88
DSP_maxval 90
Maximum Value of Vector 90
DSP_maxidx 91
DSP_minval 93
Minimum Value of Vector 93
DSP_mul32 94
32-Bit Vector Multiply 94
DSP_neg32 96
32-Bit Vector Negate 96
DSP_recip16 97
16-Bit Reciprocal 97
DSP_vecsumsq 99
Sum of Squares 99
DSP_w_vec 100
Weighted Vector Sum 100
4.6 Matrix 101
DSP_mat_mul 102
DSP_mat_trans 103
Matrix Transpose 103
4.7 Miscellaneous 104
DSP_bexp 105
DSP_blk_eswap16 106
DSP_blk_eswap32 108
DSP_blk_eswap64 110
DSP_blk_move 112
Block Move (Overlapping) 112
DSP_fltoq15 113
Float to Q15 Conversion 113
DSP_minerror 115
Minimum Energy Error Search 115
DSP_q15tofl 117
Q15 to Float Conversion 117
4.8 Obsolete Functions 118
DSP_bitrev_cplx 119
DSP_radix2 121
Complex Forward FFT (radix 2) 121
DSP_r4fft 123
Complex Forward FFT (radix 4) 123
DSP_fft16x16t 135
Appendix A 149
Performance Considerations 150
A.2 Fractional Q Formats 151
A.2.3 Q.31 Format 152
Appendix B 153
B.1 DSPLIB Software Updates 154
B.2 DSPLIB Customer Support 154
Glossary 155
C-3Glossary 157
C-5Glossary 159
C-7Glossary 161
C-9Glossary 163

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