From a81fc41c3eb99e8fc52aa734ee63e13c937aab81 Mon Sep 17 00:00:00 2001 From: JanHenrik Date: Sun, 19 Jan 2020 00:56:37 +0100 Subject: added blink example --- .../RefLibs/src/ControllerFunctions/sin_cos.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ControllerFunctions/sin_cos.c (limited to 'Blink/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ControllerFunctions/sin_cos.c') 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); +} -- cgit