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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/ControllerFunctions/sin_cos.c | |
| 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/ControllerFunctions/sin_cos.c')
| -rw-r--r-- | Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ControllerFunctions/sin_cos.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ControllerFunctions/sin_cos.c b/Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ControllerFunctions/sin_cos.c new file mode 100644 index 0000000..22c91a0 --- /dev/null +++ b/Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ControllerFunctions/sin_cos.c @@ -0,0 +1,21 @@ +#include "ref.h"
+
+void ref_sin_cos_f32(
+ float32_t theta,
+ float32_t * pSinVal,
+ float32_t * pCosVal)
+{
+ //theta is given in degrees
+ *pSinVal = sinf(theta * 6.28318530717959f / 360.0f);
+ *pCosVal = cosf(theta * 6.28318530717959f / 360.0f);
+}
+
+void ref_sin_cos_q31(
+ q31_t theta,
+ q31_t * pSinVal,
+ q31_t * pCosVal)
+{
+ //theta is given in the range [-1,1) to represent [-pi,pi)
+ *pSinVal = (q31_t)(sinf((float32_t)theta * 3.14159265358979f / 2147483648.0f) * 2147483648.0f);
+ *pCosVal = (q31_t)(cosf((float32_t)theta * 3.14159265358979f / 2147483648.0f) * 2147483648.0f);
+}
|