From a81fc41c3eb99e8fc52aa734ee63e13c937aab81 Mon Sep 17 00:00:00 2001
From: JanHenrik <janhenrik@janhenrik.org>
Date: Sun, 19 Jan 2020 00:56:37 +0100
Subject: added blink example
---
.../RefLibs/src/ComplexMathFunctions/cmplx_conj.c | 40 ++++++++++++
.../src/ComplexMathFunctions/cmplx_dot_prod.c | 72 ++++++++++++++++++++++
.../RefLibs/src/ComplexMathFunctions/cmplx_mag.c | 49 +++++++++++++++
.../src/ComplexMathFunctions/cmplx_mag_squared.c | 46 ++++++++++++++
.../src/ComplexMathFunctions/cmplx_mult_cmplx.c | 56 +++++++++++++++++
.../src/ComplexMathFunctions/cmplx_mult_real.c | 52 ++++++++++++++++
6 files changed, 315 insertions(+)
create mode 100644 Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_conj.c
create mode 100644 Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_dot_prod.c
create mode 100644 Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag.c
create mode 100644 Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag_squared.c
create mode 100644 Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mult_cmplx.c
create mode 100644 Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mult_real.c
(limited to 'Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions')
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);
+ }
+}
--
cgit