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| author | JanHenrik <janhenrik@janhenrik.org> | 2020-01-19 00:56:37 +0100 |
|---|---|---|
| committer | JanHenrik <janhenrik@janhenrik.org> | 2020-01-19 00:56:37 +0100 |
| commit | a81fc41c3eb99e8fc52aa734ee63e13c937aab81 (patch) | |
| tree | 19974c4676ed64d6e4260b79fc3f1eaeda58a289 /Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions | |
| parent | a96ec5d9995e7e4b7315a192e543b88f0aff4930 (diff) | |
| download | minikbd-a81fc41c3eb99e8fc52aa734ee63e13c937aab81.tar.gz minikbd-a81fc41c3eb99e8fc52aa734ee63e13c937aab81.tar.bz2 minikbd-a81fc41c3eb99e8fc52aa734ee63e13c937aab81.zip | |
added blink example
Diffstat (limited to 'Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions')
6 files changed, 315 insertions, 0 deletions
diff --git a/Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_conj.c b/Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_conj.c new file mode 100644 index 0000000..6b80de0 --- /dev/null +++ b/Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_conj.c @@ -0,0 +1,40 @@ +#include "ref.h"
+
+void ref_cmplx_conj_f32(
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t numSamples)
+{
+ uint32_t i;
+ for(i=0;i<numSamples*2;i+=2)
+ {
+ pDst[i] = pSrc[i];
+ pDst[i+1] = -pSrc[i+1];
+ }
+}
+
+void ref_cmplx_conj_q31(
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t numSamples)
+{
+ uint32_t i;
+ for(i=0;i<numSamples*2;i+=2)
+ {
+ pDst[i] = pSrc[i];
+ pDst[i+1] = -pSrc[i+1];
+ }
+}
+
+void ref_cmplx_conj_q15(
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t numSamples)
+{
+ uint32_t i;
+ for(i=0;i<numSamples*2;i+=2)
+ {
+ pDst[i] = pSrc[i];
+ pDst[i+1] = -pSrc[i+1];
+ }
+}
diff --git a/Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_dot_prod.c b/Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_dot_prod.c new file mode 100644 index 0000000..19b1e1c --- /dev/null +++ b/Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_dot_prod.c @@ -0,0 +1,72 @@ +#include "ref.h"
+
+void ref_cmplx_dot_prod_f32(
+ float32_t * pSrcA,
+ float32_t * pSrcB,
+ uint32_t numSamples,
+ float32_t * realResult,
+ float32_t * imagResult)
+{
+ float32_t sumr, sumi;
+ uint32_t i;
+
+ sumr = 0;
+ sumi = 0;
+
+ for(i=0;i<numSamples*2;i+=2)
+ {
+ sumr += pSrcA[i] * pSrcB[i] - pSrcA[i+1] * pSrcB[i+1];
+ sumi += pSrcA[i] * pSrcB[i+1] + pSrcA[i+1] * pSrcB[i];
+ }
+
+ *realResult = sumr;
+ *imagResult = sumi;
+}
+
+void ref_cmplx_dot_prod_q31(
+ q31_t * pSrcA,
+ q31_t * pSrcB,
+ uint32_t numSamples,
+ q63_t * realResult,
+ q63_t * imagResult)
+{
+ q63_t sumr, sumi;
+ uint32_t i;
+
+ sumr = 0;
+ sumi = 0;
+
+ for(i=0;i<numSamples*2;i+=2)
+ {
+ //shifting down 14 here to provide guard bits
+ sumr += (((q63_t)pSrcA[i] * pSrcB[i] ) >> 14) - (((q63_t)pSrcA[i+1] * pSrcB[i+1]) >> 14);
+ sumi += (((q63_t)pSrcA[i] * pSrcB[i+1]) >> 14) + (((q63_t)pSrcA[i+1] * pSrcB[i] ) >> 14);
+ }
+
+ *realResult = sumr;
+ *imagResult = sumi;
+}
+
+void ref_cmplx_dot_prod_q15(
+ q15_t * pSrcA,
+ q15_t * pSrcB,
+ uint32_t numSamples,
+ q31_t * realResult,
+ q31_t * imagResult)
+{
+ q63_t sumr, sumi;
+ uint32_t i;
+
+ sumr = 0;
+ sumi = 0;
+
+ for(i=0;i<numSamples*2;i+=2)
+ {
+ sumr += (q31_t)pSrcA[i] * pSrcB[i] - (q31_t)pSrcA[i+1] * pSrcB[i+1];
+ sumi += (q31_t)pSrcA[i] * pSrcB[i+1] + (q31_t)pSrcA[i+1] * pSrcB[i];
+ }
+
+ //shifting down 6 at the end here because there are already 32 guard bits available, this method is more accurate
+ *realResult = (q31_t)(sumr >> 6);
+ *imagResult = (q31_t)(sumi >> 6);
+}
diff --git a/Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag.c b/Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag.c new file mode 100644 index 0000000..b5ac28d --- /dev/null +++ b/Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag.c @@ -0,0 +1,49 @@ +#include "ref.h"
+
+void ref_cmplx_mag_f32(
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t numSamples)
+{
+ uint32_t i;
+
+ for(i=0;i<numSamples*2;i+=2)
+ {
+ *pDst++ = sqrtf(pSrc[i] * pSrc[i] + pSrc[i+1] * pSrc[i+1]);
+ }
+}
+
+void ref_cmplx_mag_q31(
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t numSamples)
+{
+ uint32_t i;
+ q31_t acc0,acc1,out;
+
+ for(i=0;i<numSamples*2;i+=2)
+ {
+ acc0 = (q31_t)(((q63_t)pSrc[i] * pSrc[i]) >> 33);
+ acc1 = (q31_t)(((q63_t)pSrc[i+1] * pSrc[i+1]) >> 33);
+ out = acc0 + acc1;
+ *pDst++ = (q31_t)(sqrtf((float)out / 2147483648.0f) * 2147483648.0f);
+ }
+}
+
+void ref_cmplx_mag_q15(
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t numSamples)
+{
+ uint32_t i;
+ q31_t acc0,acc1;
+ q15_t out;
+
+ for(i=0;i<numSamples*2;i+=2)
+ {
+ acc0 = pSrc[i] * pSrc[i];
+ acc1 = pSrc[i+1] * pSrc[i+1];
+ out = (q15_t) (((q63_t) acc0 + acc1) >> 17);
+ *pDst++ = (q15_t)(sqrtf((float)out / 32768.0f) * 32768.0f);
+ }
+}
diff --git a/Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag_squared.c b/Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag_squared.c new file mode 100644 index 0000000..aec7bd5 --- /dev/null +++ b/Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag_squared.c @@ -0,0 +1,46 @@ +#include "ref.h"
+
+void ref_cmplx_mag_squared_f32(
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t numSamples)
+{
+ uint32_t i;
+
+ for(i=0;i<numSamples*2;i+=2)
+ {
+ *pDst++ = pSrc[i] * pSrc[i] + pSrc[i+1] * pSrc[i+1];
+ }
+}
+
+void ref_cmplx_mag_squared_q31(
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t numSamples)
+{
+ uint32_t i;
+ q31_t acc0,acc1;
+
+ for(i=0;i<numSamples*2;i+=2)
+ {
+ acc0 = (q31_t)(((q63_t)pSrc[i] * pSrc[i]) >> 33);
+ acc1 = (q31_t)(((q63_t)pSrc[i+1] * pSrc[i+1]) >> 33);
+ *pDst++ = acc0 + acc1;
+ }
+}
+
+void ref_cmplx_mag_squared_q15(
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t numSamples)
+{
+ uint32_t i;
+ q31_t acc0,acc1;
+
+ for(i=0;i<numSamples*2;i+=2)
+ {
+ acc0 = pSrc[i] * pSrc[i];
+ acc1 = pSrc[i+1] * pSrc[i+1];
+ *pDst++ = (q15_t) (((q63_t) acc0 + acc1) >> 17);
+ }
+}
diff --git a/Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mult_cmplx.c b/Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mult_cmplx.c new file mode 100644 index 0000000..c7a5409 --- /dev/null +++ b/Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mult_cmplx.c @@ -0,0 +1,56 @@ +#include "ref.h"
+
+void ref_cmplx_mult_cmplx_f32(
+ float32_t * pSrcA,
+ float32_t * pSrcB,
+ float32_t * pDst,
+ uint32_t numSamples)
+{
+ uint32_t i;
+
+ for(i=0;i<numSamples*2;i+=2)
+ {
+ pDst[i] = pSrcA[i] * pSrcB[i] - pSrcA[i+1] * pSrcB[i+1];
+ pDst[i+1] = pSrcA[i] * pSrcB[i+1] + pSrcA[i+1] * pSrcB[i];
+ }
+}
+
+void ref_cmplx_mult_cmplx_q31(
+ q31_t * pSrcA,
+ q31_t * pSrcB,
+ q31_t * pDst,
+ uint32_t numSamples)
+{
+ uint32_t i;
+ q31_t mul1, mul2, mul3, mul4;
+
+ for(i=0;i<numSamples*2;i+=2)
+ {
+ mul1 = ((q63_t)pSrcA[i] * pSrcB[i]) >> 33;
+ mul2 = ((q63_t)pSrcA[i+1] * pSrcB[i+1]) >> 33;
+ mul3 = ((q63_t)pSrcA[i] * pSrcB[i+1]) >> 33;
+ mul4 = ((q63_t)pSrcA[i+1] * pSrcB[i]) >> 33;
+ pDst[i] = mul1 - mul2;
+ pDst[i+1] = mul3 + mul4;
+ }
+}
+
+void ref_cmplx_mult_cmplx_q15(
+ q15_t * pSrcA,
+ q15_t * pSrcB,
+ q15_t * pDst,
+ uint32_t numSamples)
+{
+ uint32_t i;
+ q31_t mul1, mul2, mul3, mul4;
+
+ for(i=0;i<numSamples*2;i+=2)
+ {
+ mul1 = ((q31_t)pSrcA[i] * pSrcB[i]) >> 17;
+ mul2 = ((q31_t)pSrcA[i+1] * pSrcB[i+1]) >> 17;
+ mul3 = ((q31_t)pSrcA[i] * pSrcB[i+1]) >> 17;
+ mul4 = ((q31_t)pSrcA[i+1] * pSrcB[i]) >> 17;
+ pDst[i] = mul1 - mul2;
+ pDst[i+1] = mul3 + mul4;
+ }
+}
diff --git a/Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mult_real.c b/Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mult_real.c new file mode 100644 index 0000000..dc4928e --- /dev/null +++ b/Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mult_real.c @@ -0,0 +1,52 @@ +#include "ref.h"
+
+void ref_cmplx_mult_real_f32(
+ float32_t * pSrcCmplx,
+ float32_t * pSrcReal,
+ float32_t * pCmplxDst,
+ uint32_t numSamples)
+{
+ uint32_t i;
+
+ for(i=0;i<numSamples;i++)
+ {
+ pCmplxDst[2*i+0] = pSrcCmplx[2*i+0] * pSrcReal[i];
+ pCmplxDst[2*i+1] = pSrcCmplx[2*i+1] * pSrcReal[i];
+ }
+}
+
+void ref_cmplx_mult_real_q31(
+ q31_t * pSrcCmplx,
+ q31_t * pSrcReal,
+ q31_t * pCmplxDst,
+ uint32_t numSamples)
+{
+ uint32_t i;
+ q31_t tempR, tempI;
+
+ for(i=0;i<numSamples;i++)
+ {
+ tempR = ((q63_t) pSrcCmplx[2*i+0] * pSrcReal[i]) >> 32;
+ tempI = ((q63_t) pSrcCmplx[2*i+1] * pSrcReal[i]) >> 32;
+ pCmplxDst[2*i+0] = ref_sat_n(tempR, 31) << 1;
+ pCmplxDst[2*i+1] = ref_sat_n(tempI, 31) << 1;
+ }
+}
+
+void ref_cmplx_mult_real_q15(
+ q15_t * pSrcCmplx,
+ q15_t * pSrcReal,
+ q15_t * pCmplxDst,
+ uint32_t numSamples)
+{
+ uint32_t i;
+ q31_t tempR, tempI;
+
+ for(i=0;i<numSamples;i++)
+ {
+ tempR = ((q31_t) pSrcCmplx[2*i+0] * pSrcReal[i]) >> 15;
+ tempI = ((q31_t) pSrcCmplx[2*i+1] * pSrcReal[i]) >> 15;
+ pCmplxDst[2*i+0] = ref_sat_q15(tempR);
+ pCmplxDst[2*i+1] = ref_sat_q15(tempI);
+ }
+}
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