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| author | ymherklotz <ymherklotz@gmail.com> | 2018-03-01 13:22:37 +0000 |
|---|---|---|
| committer | ymherklotz <ymherklotz@gmail.com> | 2018-03-01 13:22:37 +0000 |
| commit | 246af9b0523024caef21ec201d893c6e007cc357 (patch) | |
| tree | 8f90574e10dfed6861a2b4a0545482a75f232343 | |
| parent | 1e04f2cde4b36d9af7988dcedb317de32938dc32 (diff) | |
| download | NoiseSilencer-246af9b0523024caef21ec201d893c6e007cc357.tar.gz NoiseSilencer-246af9b0523024caef21ec201d893c6e007cc357.zip | |
Adding files
| -rw-r--r-- | lab5/RTDSP/.launches/RTDSP.launch | 2 | ||||
| -rw-r--r-- | lab5/RTDSP/Matlab/coeff.txt | 4 | ||||
| -rw-r--r-- | lab5/RTDSP/Matlab/gen_filter.m | 2 | ||||
| -rw-r--r-- | lab5/RTDSP/intio.c | 7 |
4 files changed, 9 insertions, 6 deletions
diff --git a/lab5/RTDSP/.launches/RTDSP.launch b/lab5/RTDSP/.launches/RTDSP.launch index bcd1937..a36423e 100644 --- a/lab5/RTDSP/.launches/RTDSP.launch +++ b/lab5/RTDSP/.launches/RTDSP.launch @@ -13,7 +13,7 @@ <stringAttribute key="CCEDebugOptions.TARGET_CONFIGURATION_OPTION" value="full"/> <stringAttribute key="org.eclipse.cdt.launch.MEMORY_BLOCKS" value="<?xml version="1.0" encoding="UTF-8"?> <memoryBlockExpressionList/> "/> <stringAttribute key="com.ti.ccstudio.debug.core.MRU_PROGRAM_NAME" value="C:\github\RTDSP\lab5\RTDSP\Debug\RTDSP.out"/> -<stringAttribute key="com.ti.ccstudio.debug.core.MRU_MODULES" value="<?xml version="1.0" encoding="UTF-8"?> <modules> <module name="C:\GIT\RTDSP\lab3\RTDSP\Debug\RTDSP.out" time="Fri Jan 19 14:07:28 GMT 2018" time_long="1516370848357"/> <module name="C:\Github\RTDSP\lab3\RTDSP\Debug\RTDSP.out" time="Tue Jan 23 11:15:11 GMT 2018" time_long="1516706111426"/> <module name="C:\GIT\RTDSP\lab4\RTDSP\Debug\RTDSP.out" time="Thu Feb 01 11:44:21 GMT 2018" time_long="1517485461898"/> <module name="C:\github\RTDSP\lab4\RTDSP\Debug\RTDSP.out" time="Thu Feb 15 13:55:55 GMT 2018" time_long="1518702955359"/> <module name="C:\Github\RTDSP\lab5\RTDSP\Debug\RTDSP.out" time="Tue Feb 27 12:18:55 GMT 2018" time_long="1519733935329"/> <module name="C:\github\RTDSP\lab5\RTDSP\Debug\RTDSP.out" time="Wed Feb 28 12:30:22 GMT 2018" time_long="1519821022128"/> </modules> "/> +<stringAttribute key="com.ti.ccstudio.debug.core.MRU_MODULES" value="<?xml version="1.0" encoding="UTF-8"?> <modules> <module name="C:\GIT\RTDSP\lab3\RTDSP\Debug\RTDSP.out" time="Fri Jan 19 14:07:28 GMT 2018" time_long="1516370848357"/> <module name="C:\Github\RTDSP\lab3\RTDSP\Debug\RTDSP.out" time="Tue Jan 23 11:15:11 GMT 2018" time_long="1516706111426"/> <module name="C:\GIT\RTDSP\lab4\RTDSP\Debug\RTDSP.out" time="Thu Feb 01 11:44:21 GMT 2018" time_long="1517485461898"/> <module name="C:\github\RTDSP\lab4\RTDSP\Debug\RTDSP.out" time="Thu Feb 15 13:55:55 GMT 2018" time_long="1518702955359"/> <module name="C:\Github\RTDSP\lab5\RTDSP\Debug\RTDSP.out" time="Tue Feb 27 12:18:55 GMT 2018" time_long="1519733935329"/> <module name="C:\github\RTDSP\lab5\RTDSP\Debug\RTDSP.out" time="Thu Mar 01 13:21:50 GMT 2018" time_long="1519910510215"/> </modules> "/> <stringAttribute key="CCEDebugOptions.CPU_NAME" value="Spectrum Digital DSK-EVM-eZdsp onboard USB Emulator_0/TMS320C671X"/> <stringAttribute key="org.eclipse.cdt.launch.PROJECT_ATTR" value="RTDSP"/> <stringAttribute key="org.eclipse.cdt.launch.GLOBAL_VARIABLES" value="<?xml version="1.0" encoding="UTF-8"?> <globalVariableList/> "/> diff --git a/lab5/RTDSP/Matlab/coeff.txt b/lab5/RTDSP/Matlab/coeff.txt index 50b2b2b..2849703 100644 --- a/lab5/RTDSP/Matlab/coeff.txt +++ b/lab5/RTDSP/Matlab/coeff.txt @@ -1,2 +1,2 @@ -double a[] = {1.000000000000000e+00, -3.049850168927851e+01, 4.518219979745301e+02, -4.330568375340208e+03, 3.017680165238581e+04, -1.628761117040925e+05, 7.083789447100600e+05, -2.549943805499000e+06, 7.743889480668208e+06, -2.012290905048920e+07, 4.522326696255741e+07, -8.861603844569437e+07, 1.523508956789228e+08, -2.308863204635539e+08, 3.094998449451197e+08, -3.678300347249148e+08, 3.881054118761563e+08, -3.637157697088127e+08, 3.026148917241598e+08, -2.232250495844627e+08, 1.456480003818601e+08, -8.376961823486008e+07, 4.227179687333500e+07, -1.859918758217013e+07, 7.077447220356787e+06, -2.304423124860145e+06, 6.330109382091770e+05, -1.439185427681492e+05, 2.636611842984756e+04, -3.741376162471272e+03, 3.859821380464503e+02, -2.576271373584020e+01, 8.352689156803546e-01, }; -double b[] = {9.369360487907812e-02, -2.864818892621460e+00, 4.255773741419589e+01, -4.091031012581832e+02, 2.859712896572771e+03, -1.548649022591978e+04, 6.759164673120990e+04, -2.442167709453068e+05, 7.445734232202021e+05, -1.942803804170768e+06, 4.385069059291627e+06, -8.631571972423440e+06, 1.490982529221888e+07, -2.270715845041017e+07, 3.059491535922983e+07, -3.655506142442168e+07, 3.878366747099619e+07, -3.655506142442170e+07, 3.059491535922986e+07, -2.270715845041021e+07, 1.490982529221891e+07, -8.631571972423460e+06, 4.385069059291639e+06, -1.942803804170775e+06, 7.445734232202050e+05, -2.442167709453079e+05, 6.759164673121022e+04, -1.548649022591987e+04, 2.859712896572789e+03, -4.091031012581860e+02, 4.255773741419620e+01, -2.864818892621481e+00, 9.369360487907882e-02, }; +double a[] = {0.000000000000000e+00, -3.622738280081860e+00, 5.063887790131738e+00, -3.234610259864942e+00, 7.984164681552781e-01, }; +double b[] = {9.756494393306392e-02, -3.428674269973439e-01, 4.911005379625814e-01, -3.428674269973439e-01, 9.756494393306395e-02, }; diff --git a/lab5/RTDSP/Matlab/gen_filter.m b/lab5/RTDSP/Matlab/gen_filter.m index f718912..2709e48 100644 --- a/lab5/RTDSP/Matlab/gen_filter.m +++ b/lab5/RTDSP/Matlab/gen_filter.m @@ -1,5 +1,5 @@ Fs = 8000; -[b,a] = elliptical (32, Fs); +[b,a] = elliptical (4, Fs); freqz(b, a); fileID = fopen('coeff.txt','w'); diff --git a/lab5/RTDSP/intio.c b/lab5/RTDSP/intio.c index d7f841b..bbe98c0 100644 --- a/lab5/RTDSP/intio.c +++ b/lab5/RTDSP/intio.c @@ -142,7 +142,10 @@ void ISR_AIC() void iir_dir_form_transposed() { int i; - for (i = 0; i < N; ++i) { - d[i] = b[i] * xin + d[i+1] - a[i] * d[0]; + double y = d[0]; + d[0] = b[0] * xin + d[1]; + for (i = 1; i < N-1; ++i) { + d[i] = b[i] * xin + d[i+1] - a[i] * y; } + d[N-1] = b[N-1] * xin - a[N-1] * y; } |