diff options
Diffstat (limited to 'fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/TransformFunctions')
4 files changed, 0 insertions, 1019 deletions
diff --git a/fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/TransformFunctions/bitreversal.c b/fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/TransformFunctions/bitreversal.c deleted file mode 100644 index 4751821..0000000 --- a/fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/TransformFunctions/bitreversal.c +++ /dev/null @@ -1,30 +0,0 @@ -#include "ref.h"
-
-
-;/*
-;* @brief In-place bit reversal function.
-;* @param[in, out] *pSrc points to the in-place buffer of unknown 32-bit data type.
-;* @param[in] bitRevLen bit reversal table length
-;* @param[in] *pBitRevTab points to bit reversal table.
-;* @return none.
-;*/
-void arm_bitreversal_32(uint32_t *pSrc, uint32_t bitRevLen, uint32_t *pBitRevTab)
-{
- uint32_t a,b,i,tmp;
-
- for(i=0; i<bitRevLen; i++)
- {
- a = pBitRevTab[2*i];
- b = pBitRevTab[2*i + 1];
-
- //real
- tmp = pSrc[a];
- pSrc[a] = pSrc[b];
- pSrc[b] = tmp;
-
- //complex
- tmp = pSrc[a+1];
- pSrc[a+1] = pSrc[b+1];
- pSrc[b+1] = tmp;
- }
-}
diff --git a/fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/TransformFunctions/cfft.c b/fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/TransformFunctions/cfft.c deleted file mode 100644 index ede4da6..0000000 --- a/fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/TransformFunctions/cfft.c +++ /dev/null @@ -1,598 +0,0 @@ -#include "ref.h"
-#include "arm_const_structs.h"
-
-void ref_cfft_f32(
- const arm_cfft_instance_f32 * S,
- float32_t * p1,
- uint8_t ifftFlag,
- uint8_t bitReverseFlag)
-{
- int n, mmax, m, j, istep, i;
- float32_t wtemp, wr, wpr, wpi, wi, theta;
- float32_t tempr, tempi;
- float32_t * data = p1;
- uint32_t N = S->fftLen;
- int32_t dir = (ifftFlag) ? -1 : 1;
-
- // decrement pointer since the original version used fortran style indexing.
- data--;
-
- n = N << 1;
- j = 1;
- for (i = 1; i < n; i += 2) {
- if (j > i) {
- tempr = data[j]; data[j] = data[i]; data[i] = tempr;
- tempr = data[j+1]; data[j+1] = data[i+1]; data[i+1] = tempr;
- }
- m = n >> 1;
- while (m >= 2 && j > m) {
- j -= m;
- m >>= 1;
- }
- j += m;
- }
- mmax = 2;
- while (n > mmax) {
- istep = 2*mmax;
- theta = -6.283185307179586f/(dir*mmax);
- wtemp = sinf(0.5f*theta);
- wpr = -2.0f*wtemp*wtemp;
- wpi = sinf(theta);
- wr = 1.0f;
- wi = 0.0f;
- for (m = 1; m < mmax; m += 2) {
- for (i = m; i <= n; i += istep) {
- j =i + mmax;
- tempr = wr*data[j] - wi*data[j+1];
- tempi = wr*data[j+1] + wi*data[j];
- data[j] = data[i] - tempr;
- data[j+1] = data[i+1] - tempi;
- data[i] += tempr;
- data[i+1] += tempi;
- }
- wr = (wtemp = wr)*wpr - wi*wpi + wr;
- wi = wi*wpr + wtemp*wpi + wi;
- }
- mmax = istep;
- }
-
- // Inverse transform is scaled by 1/N
- if (ifftFlag)
- {
- data++;
- for(i = 0; i<2*N; i++)
- {
- data[i] /= N;
- }
- }
-}
-
-void ref_cfft_q31(
- const arm_cfft_instance_q31 * S,
- q31_t * p1,
- uint8_t ifftFlag,
- uint8_t bitReverseFlag)
-{
- uint32_t i;
- float32_t *fSrc = (float32_t*)p1;
-
- for(i=0;i<S->fftLen*2;i++)
- {
- //read the q31 data, cast to float, scale down for float
- fSrc[i] = (float32_t)p1[i] / 2147483648.0f;
- }
-
- switch(S->fftLen)
- {
- case 16:
- ref_cfft_f32(&arm_cfft_sR_f32_len16, fSrc, ifftFlag, bitReverseFlag);
- break;
-
- case 32:
- ref_cfft_f32(&arm_cfft_sR_f32_len32, fSrc, ifftFlag, bitReverseFlag);
- break;
-
- case 64:
- ref_cfft_f32(&arm_cfft_sR_f32_len64, fSrc, ifftFlag, bitReverseFlag);
- break;
-
- case 128:
- ref_cfft_f32(&arm_cfft_sR_f32_len128, fSrc, ifftFlag, bitReverseFlag);
- break;
-
- case 256:
- ref_cfft_f32(&arm_cfft_sR_f32_len256, fSrc, ifftFlag, bitReverseFlag);
- break;
-
- case 512:
- ref_cfft_f32(&arm_cfft_sR_f32_len512, fSrc, ifftFlag, bitReverseFlag);
- break;
-
- case 1024:
- ref_cfft_f32(&arm_cfft_sR_f32_len1024, fSrc, ifftFlag, bitReverseFlag);
- break;
-
- case 2048:
- ref_cfft_f32(&arm_cfft_sR_f32_len2048, fSrc, ifftFlag, bitReverseFlag);
- break;
-
- case 4096:
- ref_cfft_f32(&arm_cfft_sR_f32_len4096, fSrc, ifftFlag, bitReverseFlag);
- break;
- }
-
- if (ifftFlag)
- {
- for(i=0;i<S->fftLen*2;i++)
- {
- //read the float data, scale up for q31, cast to q31
- p1[i] = (q31_t)( fSrc[i] * 2147483648.0f );
- }
- }
- else
- {
- for(i=0;i<S->fftLen*2;i++)
- {
- //read the float data, scale up for q31, cast to q31
- p1[i] = (q31_t)( fSrc[i] * 2147483648.0f / (float32_t)S->fftLen);
- }
- }
-}
-
-void ref_cfft_q15(
- const arm_cfft_instance_q15 * S,
- q15_t * pSrc,
- uint8_t ifftFlag,
- uint8_t bitReverseFlag)
-{
- uint32_t i;
- float32_t *fSrc = (float32_t*)pSrc;
-
- for(i=0;i<S->fftLen*2;i++)
- {
- //read the q15 data, cast to float, scale down for float, place in temporary buffer
- scratchArray[i] = (float32_t)pSrc[i] / 32768.0f;
- }
-
- for(i=0;i<S->fftLen*2;i++)
- {
- //copy from temp buffer to final buffer
- fSrc[i] = scratchArray[i];
- }
-
- switch(S->fftLen)
- {
- case 16:
- ref_cfft_f32(&arm_cfft_sR_f32_len16, fSrc, ifftFlag, bitReverseFlag);
- break;
-
- case 32:
- ref_cfft_f32(&arm_cfft_sR_f32_len32, fSrc, ifftFlag, bitReverseFlag);
- break;
-
- case 64:
- ref_cfft_f32(&arm_cfft_sR_f32_len64, fSrc, ifftFlag, bitReverseFlag);
- break;
-
- case 128:
- ref_cfft_f32(&arm_cfft_sR_f32_len128, fSrc, ifftFlag, bitReverseFlag);
- break;
-
- case 256:
- ref_cfft_f32(&arm_cfft_sR_f32_len256, fSrc, ifftFlag, bitReverseFlag);
- break;
-
- case 512:
- ref_cfft_f32(&arm_cfft_sR_f32_len512, fSrc, ifftFlag, bitReverseFlag);
- break;
-
- case 1024:
- ref_cfft_f32(&arm_cfft_sR_f32_len1024, fSrc, ifftFlag, bitReverseFlag);
- break;
-
- case 2048:
- ref_cfft_f32(&arm_cfft_sR_f32_len2048, fSrc, ifftFlag, bitReverseFlag);
- break;
-
- case 4096:
- ref_cfft_f32(&arm_cfft_sR_f32_len4096, fSrc, ifftFlag, bitReverseFlag);
- break;
- }
-
- if (ifftFlag)
- {
- for(i=0;i<S->fftLen*2;i++)
- {
- //read the float data, scale up for q15, cast to q15
- pSrc[i] = (q15_t)( fSrc[i] * 32768.0f );
- }
- }
- else
- {
- for(i=0;i<S->fftLen*2;i++)
- {
- //read the float data, scale up for q15, cast to q15
- pSrc[i] = (q15_t)( fSrc[i] * 32768.0f / (float32_t)S->fftLen);
- }
- }
-}
-
-void ref_cfft_radix2_f32(
- const arm_cfft_radix2_instance_f32 * S,
- float32_t * pSrc)
-{
- switch(S->fftLen)
- {
- case 16:
- ref_cfft_f32(&arm_cfft_sR_f32_len16, pSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 32:
- ref_cfft_f32(&arm_cfft_sR_f32_len32, pSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 64:
- ref_cfft_f32(&arm_cfft_sR_f32_len64, pSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 128:
- ref_cfft_f32(&arm_cfft_sR_f32_len128, pSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 256:
- ref_cfft_f32(&arm_cfft_sR_f32_len256, pSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 512:
- ref_cfft_f32(&arm_cfft_sR_f32_len512, pSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 1024:
- ref_cfft_f32(&arm_cfft_sR_f32_len1024, pSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 2048:
- ref_cfft_f32(&arm_cfft_sR_f32_len2048, pSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 4096:
- ref_cfft_f32(&arm_cfft_sR_f32_len4096, pSrc, S->ifftFlag, S->bitReverseFlag);
- break;
- }
-}
-
-void ref_cfft_radix2_q31(
- const arm_cfft_radix2_instance_q31 * S,
- q31_t * pSrc)
-{
- uint32_t i;
- float32_t *fSrc = (float32_t*)pSrc;
-
- for(i=0;i<S->fftLen*2;i++)
- {
- //read the q31 data, cast to float, scale down for float
- fSrc[i] = (float32_t)pSrc[i] / 2147483648.0f;
- }
-
- switch(S->fftLen)
- {
- case 16:
- ref_cfft_f32(&arm_cfft_sR_f32_len16, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 32:
- ref_cfft_f32(&arm_cfft_sR_f32_len32, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 64:
- ref_cfft_f32(&arm_cfft_sR_f32_len64, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 128:
- ref_cfft_f32(&arm_cfft_sR_f32_len128, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 256:
- ref_cfft_f32(&arm_cfft_sR_f32_len256, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 512:
- ref_cfft_f32(&arm_cfft_sR_f32_len512, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 1024:
- ref_cfft_f32(&arm_cfft_sR_f32_len1024, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 2048:
- ref_cfft_f32(&arm_cfft_sR_f32_len2048, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 4096:
- ref_cfft_f32(&arm_cfft_sR_f32_len4096, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
- }
-
- if (S->ifftFlag)
- {
- for(i=0;i<S->fftLen*2;i++)
- {
- //read the float data, scale up for q31, cast to q31
- pSrc[i] = (q31_t)( fSrc[i] * 2147483648.0f );
- }
- }
- else
- {
- for(i=0;i<S->fftLen*2;i++)
- {
- //read the float data, scale up for q31, cast to q31
- pSrc[i] = (q31_t)( fSrc[i] * 2147483648.0f / (float32_t)S->fftLen);
- }
- }
-}
-
-void ref_cfft_radix2_q15(
- const arm_cfft_radix2_instance_q15 * S,
- q15_t * pSrc)
-{
- uint32_t i;
- float32_t *fSrc = (float32_t*)pSrc;
-
- for(i=0;i<S->fftLen*2;i++)
- {
- //read the q15 data, cast to float, scale down for float, place in temporary buffer
- scratchArray[i] = (float32_t)pSrc[i] / 32768.0f;
- }
-
- for(i=0;i<S->fftLen*2;i++)
- {
- //copy from temp buffer to final buffer
- fSrc[i] = scratchArray[i];
- }
-
- switch(S->fftLen)
- {
- case 16:
- ref_cfft_f32(&arm_cfft_sR_f32_len16, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 32:
- ref_cfft_f32(&arm_cfft_sR_f32_len32, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 64:
- ref_cfft_f32(&arm_cfft_sR_f32_len64, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 128:
- ref_cfft_f32(&arm_cfft_sR_f32_len128, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 256:
- ref_cfft_f32(&arm_cfft_sR_f32_len256, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 512:
- ref_cfft_f32(&arm_cfft_sR_f32_len512, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 1024:
- ref_cfft_f32(&arm_cfft_sR_f32_len1024, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 2048:
- ref_cfft_f32(&arm_cfft_sR_f32_len2048, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 4096:
- ref_cfft_f32(&arm_cfft_sR_f32_len4096, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
- }
-
- if (S->ifftFlag)
- {
- for(i=0;i<S->fftLen*2;i++)
- {
- //read the float data, scale up for q15, cast to q15
- pSrc[i] = (q15_t)( fSrc[i] * 32768.0f );
- }
- }
- else
- {
- for(i=0;i<S->fftLen*2;i++)
- {
- //read the float data, scale up for q15, cast to q15
- pSrc[i] = (q15_t)( fSrc[i] * 32768.0f / (float32_t)S->fftLen);
- }
- }
-}
-
-void ref_cfft_radix4_f32(
- const arm_cfft_radix4_instance_f32 * S,
- float32_t * pSrc)
-{
- switch(S->fftLen)
- {
- case 16:
- ref_cfft_f32(&arm_cfft_sR_f32_len16, pSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 32:
- ref_cfft_f32(&arm_cfft_sR_f32_len32, pSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 64:
- ref_cfft_f32(&arm_cfft_sR_f32_len64, pSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 128:
- ref_cfft_f32(&arm_cfft_sR_f32_len128, pSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 256:
- ref_cfft_f32(&arm_cfft_sR_f32_len256, pSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 512:
- ref_cfft_f32(&arm_cfft_sR_f32_len512, pSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 1024:
- ref_cfft_f32(&arm_cfft_sR_f32_len1024, pSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 2048:
- ref_cfft_f32(&arm_cfft_sR_f32_len2048, pSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 4096:
- ref_cfft_f32(&arm_cfft_sR_f32_len4096, pSrc, S->ifftFlag, S->bitReverseFlag);
- break;
- }
-}
-
-void ref_cfft_radix4_q31(
- const arm_cfft_radix4_instance_q31 * S,
- q31_t * pSrc)
-{
- uint32_t i;
- float32_t *fSrc = (float32_t*)pSrc;
-
- for(i=0;i<S->fftLen*2;i++)
- {
- //read the q31 data, cast to float, scale down for float
- fSrc[i] = (float32_t)pSrc[i] / 2147483648.0f;
- }
-
- switch(S->fftLen)
- {
- case 16:
- ref_cfft_f32(&arm_cfft_sR_f32_len16, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 32:
- ref_cfft_f32(&arm_cfft_sR_f32_len32, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 64:
- ref_cfft_f32(&arm_cfft_sR_f32_len64, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 128:
- ref_cfft_f32(&arm_cfft_sR_f32_len128, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 256:
- ref_cfft_f32(&arm_cfft_sR_f32_len256, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 512:
- ref_cfft_f32(&arm_cfft_sR_f32_len512, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 1024:
- ref_cfft_f32(&arm_cfft_sR_f32_len1024, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 2048:
- ref_cfft_f32(&arm_cfft_sR_f32_len2048, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 4096:
- ref_cfft_f32(&arm_cfft_sR_f32_len4096, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
- }
-
- if (S->ifftFlag)
- {
- for(i=0;i<S->fftLen*2;i++)
- {
- //read the float data, scale up for q31, cast to q31
- pSrc[i] = (q31_t)( fSrc[i] * 2147483648.0f );
- }
- }
- else
- {
- for(i=0;i<S->fftLen*2;i++)
- {
- //read the float data, scale up for q31, cast to q31
- pSrc[i] = (q31_t)( fSrc[i] * 2147483648.0f / (float32_t)S->fftLen);
- }
- }
-}
-
-void ref_cfft_radix4_q15(
- const arm_cfft_radix4_instance_q15 * S,
- q15_t * pSrc)
-{
- uint32_t i;
- float32_t *fSrc = (float32_t*)pSrc;
-
- for(i=0;i<S->fftLen*2;i++)
- {
- //read the q15 data, cast to float, scale down for float, place in temporary buffer
- scratchArray[i] = (float32_t)pSrc[i] / 32768.0f;
- }
-
- for(i=0;i<S->fftLen*2;i++)
- {
- //copy from temp buffer to final buffer
- fSrc[i] = scratchArray[i];
- }
-
- switch(S->fftLen)
- {
- case 16:
- ref_cfft_f32(&arm_cfft_sR_f32_len16, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 32:
- ref_cfft_f32(&arm_cfft_sR_f32_len32, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 64:
- ref_cfft_f32(&arm_cfft_sR_f32_len64, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 128:
- ref_cfft_f32(&arm_cfft_sR_f32_len128, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 256:
- ref_cfft_f32(&arm_cfft_sR_f32_len256, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 512:
- ref_cfft_f32(&arm_cfft_sR_f32_len512, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 1024:
- ref_cfft_f32(&arm_cfft_sR_f32_len1024, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 2048:
- ref_cfft_f32(&arm_cfft_sR_f32_len2048, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
-
- case 4096:
- ref_cfft_f32(&arm_cfft_sR_f32_len4096, fSrc, S->ifftFlag, S->bitReverseFlag);
- break;
- }
-
- if (S->ifftFlag)
- {
- for(i=0;i<S->fftLen*2;i++)
- {
- //read the float data, scale up for q15, cast to q15
- pSrc[i] = (q15_t)( fSrc[i] * 32768.0f );
- }
- }
- else
- {
- for(i=0;i<S->fftLen*2;i++)
- {
- //read the float data, scale up for q15, cast to q15
- pSrc[i] = (q15_t)( fSrc[i] * 32768.0f / (float32_t)S->fftLen);
- }
- }
-}
diff --git a/fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/TransformFunctions/dct4.c b/fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/TransformFunctions/dct4.c deleted file mode 100644 index 9c1f207..0000000 --- a/fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/TransformFunctions/dct4.c +++ /dev/null @@ -1,89 +0,0 @@ -#include "ref.h"
-
-void ref_dct4_f32(
- const arm_dct4_instance_f32 * S,
- float32_t * pState,
- float32_t * pInlineBuffer)
-{
- uint32_t n,k;
- float32_t sum;
- float32_t pi_by_N = 3.14159265358979f / (float32_t)S->N;
- float32_t tmp;
- float32_t normalize = sqrtf(2.0f / (float32_t)S->N);
-
- for(k=0;k<S->N;k++)
- {
- sum=0.0f;
- tmp = ((float32_t)k + 0.5f)*pi_by_N;
- for(n=0;n<S->N;n++)
- {
- sum += pInlineBuffer[n] * cosf(tmp * ((float32_t)n + 0.5f));
- }
- scratchArray[k] = normalize * sum;
- }
-
- for(k=0;k<S->N;k++)
- {
- pInlineBuffer[k] = scratchArray[k];
- }
-}
-
-void ref_dct4_q31(
- const arm_dct4_instance_q31 * S,
- q31_t * pState,
- q31_t * pInlineBuffer)
-{
- arm_dct4_instance_f32 SS;
- float32_t *fSrc = (float32_t*)pInlineBuffer;
- uint32_t i;
-
- SS.N = S->N;
-
- for(i=0;i<S->N;i++)
- {
- //read the q31 data, cast to float, scale down for float
- fSrc[i] = (float32_t)pInlineBuffer[i] / 2147483648.0f;
- }
-
- ref_dct4_f32(&SS,(float32_t*)0,fSrc);
-
- for(i=0;i<S->N;i++)
- {
- fSrc[i] = fSrc[i] * 2147483648.0f / (float32_t)S->N ;
- fSrc[i] += (fSrc[i] > 0) ? 0.5f : -0.5f;
- pInlineBuffer[i] = (q31_t)fSrc[i];
- }
-}
-
-void ref_dct4_q15(
- const arm_dct4_instance_q15 * S,
- q15_t * pState,
- q15_t * pInlineBuffer)
-{
- arm_dct4_instance_f32 SS;
- float32_t *fSrc = (float32_t*)pInlineBuffer;
- uint32_t i;
-
- SS.N = S->N;
-
- for(i=0;i<S->N;i++)
- {
- //read the q15 data, cast to float, scale down for float, place in temporary buffer
- scratchArray[i] = (float32_t)pInlineBuffer[i] / 32768.0f;
- }
-
- for(i=0;i<S->N;i++)
- {
- //copy from temp buffer to final buffer
- fSrc[i] = scratchArray[i];
- }
-
- ref_dct4_f32(&SS,(float32_t*)0,fSrc);
-
- for(i=0;i<S->N;i++)
- {
- fSrc[i] = fSrc[i] * 32768.0f / (float32_t)S->N;
- fSrc[i] += (fSrc[i] > 0) ? 0.5f : -0.5f;
- pInlineBuffer[i] = (q15_t)fSrc[i];
- }
-}
diff --git a/fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/TransformFunctions/rfft.c b/fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/TransformFunctions/rfft.c deleted file mode 100644 index 79738f0..0000000 --- a/fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/TransformFunctions/rfft.c +++ /dev/null @@ -1,302 +0,0 @@ -#include "ref.h"
-#include "arm_const_structs.h"
-
-void ref_rfft_f32(
- arm_rfft_instance_f32 * S,
- float32_t * pSrc,
- float32_t * pDst)
-{
- uint32_t i;
-
- if (S->ifftFlagR)
- {
- for(i=0;i<S->fftLenReal*2;i++)
- {
- pDst[i] = pSrc[i];
- }
- }
- else
- {
- for(i=0;i<S->fftLenReal;i++)
- {
- pDst[2*i+0] = pSrc[i];
- pDst[2*i+1] = 0.0f;
- }
- }
-
- switch(S->fftLenReal)
- {
- case 128:
- ref_cfft_f32(&arm_cfft_sR_f32_len128, pDst, S->ifftFlagR, S->bitReverseFlagR);
- break;
-
- case 512:
- ref_cfft_f32(&arm_cfft_sR_f32_len512, pDst, S->ifftFlagR, S->bitReverseFlagR);
- break;
-
- case 2048:
- ref_cfft_f32(&arm_cfft_sR_f32_len2048, pDst, S->ifftFlagR, S->bitReverseFlagR);
- break;
-
- case 8192:
- ref_cfft_f32(&ref_cfft_sR_f32_len8192, pDst, S->ifftFlagR, S->bitReverseFlagR);
- break;
- }
-
- if (S->ifftFlagR)
- {
- //throw away the imaginary part which should be all zeros
- for(i=0;i<S->fftLenReal;i++)
- {
- pDst[i] = pDst[2*i];
- }
- }
-}
-
-void ref_rfft_fast_f32(
- arm_rfft_fast_instance_f32 * S,
- float32_t * p, float32_t * pOut,
- uint8_t ifftFlag)
-{
- uint32_t i,j;
-
- if (ifftFlag)
- {
- for(i=0;i<S->fftLenRFFT;i++)
- {
- pOut[i] = p[i];
- }
- //unpack first sample's complex part into middle sample's real part
- pOut[S->fftLenRFFT] = pOut[1];
- pOut[S->fftLenRFFT+1] = 0;
- pOut[1] = 0;
- j=4;
- for(i = S->fftLenRFFT / 2 + 1;i < S->fftLenRFFT;i++)
- {
- pOut[2*i+0] = p[2*i+0 - j];
- pOut[2*i+1] = -p[2*i+1 - j];
- j+=4;
- }
- }
- else
- {
- for(i=0;i<S->fftLenRFFT;i++)
- {
- pOut[2*i+0] = p[i];
- pOut[2*i+1] = 0.0f;
- }
- }
-
- switch(S->fftLenRFFT)
- {
- case 32:
- ref_cfft_f32(&arm_cfft_sR_f32_len32, pOut, ifftFlag, 1);
- break;
-
- case 64:
- ref_cfft_f32(&arm_cfft_sR_f32_len64, pOut, ifftFlag, 1);
- break;
-
- case 128:
- ref_cfft_f32(&arm_cfft_sR_f32_len128, pOut, ifftFlag, 1);
- break;
-
- case 256:
- ref_cfft_f32(&arm_cfft_sR_f32_len256, pOut, ifftFlag, 1);
- break;
-
- case 512:
- ref_cfft_f32(&arm_cfft_sR_f32_len512, pOut, ifftFlag, 1);
- break;
-
- case 1024:
- ref_cfft_f32(&arm_cfft_sR_f32_len1024, pOut, ifftFlag, 1);
- break;
-
- case 2048:
- ref_cfft_f32(&arm_cfft_sR_f32_len2048, pOut, ifftFlag, 1);
- break;
-
- case 4096:
- ref_cfft_f32(&arm_cfft_sR_f32_len4096, pOut, ifftFlag, 1);
- break;
- }
-
- if (ifftFlag)
- {
- //throw away the imaginary part which should be all zeros
- for(i=0;i<S->fftLenRFFT;i++)
- {
- pOut[i] = pOut[2*i];
- }
- }
- else
- {
- //pack last sample's real part into first sample's complex part
- pOut[1] = pOut[S->fftLenRFFT];
- }
-}
-
-void ref_rfft_q31(
- const arm_rfft_instance_q31 * S,
- q31_t * pSrc,
- q31_t * pDst)
-{
- uint32_t i;
- float32_t *fDst = (float32_t*)pDst;
-
- if (S->ifftFlagR)
- {
- for(i=0;i<S->fftLenReal*2;i++)
- {
- fDst[i] = (float32_t)pSrc[i] / 2147483648.0f;
- }
- }
- else
- {
- for(i=0;i<S->fftLenReal;i++)
- {
- fDst[2*i+0] = (float32_t)pSrc[i] / 2147483648.0f;
- fDst[2*i+1] = 0.0f;
- }
- }
-
- switch(S->fftLenReal)
- {
- case 32:
- ref_cfft_f32(&arm_cfft_sR_f32_len32, fDst, S->ifftFlagR, S->bitReverseFlagR);
- break;
-
- case 64:
- ref_cfft_f32(&arm_cfft_sR_f32_len64, fDst, S->ifftFlagR, S->bitReverseFlagR);
- break;
-
- case 128:
- ref_cfft_f32(&arm_cfft_sR_f32_len128, fDst, S->ifftFlagR, S->bitReverseFlagR);
- break;
-
- case 256:
- ref_cfft_f32(&arm_cfft_sR_f32_len256, fDst, S->ifftFlagR, S->bitReverseFlagR);
- break;
-
- case 512:
- ref_cfft_f32(&arm_cfft_sR_f32_len512, fDst, S->ifftFlagR, S->bitReverseFlagR);
- break;
-
- case 1024:
- ref_cfft_f32(&arm_cfft_sR_f32_len1024, fDst, S->ifftFlagR, S->bitReverseFlagR);
- break;
-
- case 2048:
- ref_cfft_f32(&arm_cfft_sR_f32_len2048, fDst, S->ifftFlagR, S->bitReverseFlagR);
- break;
-
- case 4096:
- ref_cfft_f32(&arm_cfft_sR_f32_len4096, fDst, S->ifftFlagR, S->bitReverseFlagR);
- break;
-
- case 8192:
- ref_cfft_f32(&ref_cfft_sR_f32_len8192, fDst, S->ifftFlagR, S->bitReverseFlagR);
- break;
- }
-
- if (S->ifftFlagR)
- {
- //throw away the imaginary part which should be all zeros
- for(i=0;i<S->fftLenReal;i++)
- {
- //read the float data, scale up for q31, cast to q31
- pDst[i] = (q31_t)( fDst[2*i] * 2147483648.0f);
- }
- }
- else
- {
- for(i=0;i<S->fftLenReal;i++)
- {
- //read the float data, scale up for q31, cast to q31
- pDst[i] = (q31_t)( fDst[i] * 2147483648.0f / (float32_t)S->fftLenReal);
- }
- }
-}
-
-void ref_rfft_q15(
- const arm_rfft_instance_q15 * S,
- q15_t * pSrc,
- q15_t * pDst)
-{
- uint32_t i;
- float32_t *fDst = (float32_t*)pDst;
-
-
- if (S->ifftFlagR)
- {
- for(i=0;i<S->fftLenReal*2;i++)
- {
- fDst[i] = (float32_t)pSrc[i] / 32768.0f;
- }
- }
- else
- {
- for(i=0;i<S->fftLenReal;i++)
- {
- //read the q15 data, cast to float, scale down for float
- fDst[2*i+0] = (float32_t)pSrc[i] / 32768.0f;
- fDst[2*i+1] = 0.0f;
- }
- }
-
- switch(S->fftLenReal)
- {
- case 32:
- ref_cfft_f32(&arm_cfft_sR_f32_len32, fDst, S->ifftFlagR, S->bitReverseFlagR);
- break;
-
- case 64:
- ref_cfft_f32(&arm_cfft_sR_f32_len64, fDst, S->ifftFlagR, S->bitReverseFlagR);
- break;
-
- case 128:
- ref_cfft_f32(&arm_cfft_sR_f32_len128, fDst, S->ifftFlagR, S->bitReverseFlagR);
- break;
-
- case 256:
- ref_cfft_f32(&arm_cfft_sR_f32_len256, fDst, S->ifftFlagR, S->bitReverseFlagR);
- break;
-
- case 512:
- ref_cfft_f32(&arm_cfft_sR_f32_len512, fDst, S->ifftFlagR, S->bitReverseFlagR);
- break;
-
- case 1024:
- ref_cfft_f32(&arm_cfft_sR_f32_len1024, fDst, S->ifftFlagR, S->bitReverseFlagR);
- break;
-
- case 2048:
- ref_cfft_f32(&arm_cfft_sR_f32_len2048, fDst, S->ifftFlagR, S->bitReverseFlagR);
- break;
-
- case 4096:
- ref_cfft_f32(&arm_cfft_sR_f32_len4096, fDst, S->ifftFlagR, S->bitReverseFlagR);
- break;
-
- case 8192:
- ref_cfft_f32(&ref_cfft_sR_f32_len8192, fDst, S->ifftFlagR, S->bitReverseFlagR);
- break;
- }
-
- if (S->ifftFlagR)
- {
- //throw away the imaginary part which should be all zeros
- for(i=0;i<S->fftLenReal;i++)
- {
- pDst[i] = (q15_t)( fDst[2*i] * 32768.0f);
- }
- }
- else
- {
- for(i=0;i<S->fftLenReal;i++)
- {
- pDst[i] = (q15_t)( fDst[i] * 32768.0f / (float32_t)S->fftLenReal);
- }
- }
-}
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