diff options
Diffstat (limited to 'fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FilteringFunctions/fir_sparse.c')
| -rw-r--r-- | fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FilteringFunctions/fir_sparse.c | 485 |
1 files changed, 0 insertions, 485 deletions
diff --git a/fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FilteringFunctions/fir_sparse.c b/fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FilteringFunctions/fir_sparse.c deleted file mode 100644 index 0638313..0000000 --- a/fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FilteringFunctions/fir_sparse.c +++ /dev/null @@ -1,485 +0,0 @@ -#include "ref.h"
-
-void ref_fir_sparse_f32(
- arm_fir_sparse_instance_f32 * S,
- float32_t * pSrc,
- float32_t * pDst,
- float32_t * pScratchIn,
- uint32_t blockSize)
-{
- float32_t *pState = S->pState; /* State pointer */
- float32_t *pCoeffs = S->pCoeffs; /* Coefficient pointer */
- float32_t *px; /* Scratch buffer pointer */
- float32_t *py = pState; /* Temporary pointers for state buffer */
- float32_t *pb = pScratchIn; /* Temporary pointers for scratch buffer */
- float32_t *pOut; /* Destination pointer */
- int32_t *pTapDelay = S->pTapDelay; /* Pointer to the array containing offset of the non-zero tap values. */
- uint32_t delaySize = S->maxDelay + blockSize; /* state length */
- uint16_t numTaps = S->numTaps; /* Number of filter coefficients in the filter */
- int32_t readIndex; /* Read index of the state buffer */
- uint32_t tapCnt, blkCnt; /* loop counters */
- float32_t coeff = *pCoeffs++; /* Read the first coefficient value */
-
-
- /* BlockSize of Input samples are copied into the state buffer */
- /* StateIndex points to the starting position to write in the state buffer */
- arm_circularWrite_f32((int32_t *) py, delaySize, &S->stateIndex, 1,
- (int32_t *) pSrc, 1, blockSize);
-
-
- /* Read Index, from where the state buffer should be read, is calculated. */
- readIndex = ((int32_t) S->stateIndex - (int32_t) blockSize) - *pTapDelay++;
-
- /* Wraparound of readIndex */
- if (readIndex < 0)
- {
- readIndex += (int32_t) delaySize;
- }
-
- /* Working pointer for state buffer is updated */
- py = pState;
-
- /* blockSize samples are read from the state buffer */
- arm_circularRead_f32((int32_t *) py, delaySize, &readIndex, 1,
- (int32_t *) pb, (int32_t *) pb, blockSize, 1,
- blockSize);
-
- /* Working pointer for the scratch buffer */
- px = pb;
-
- /* Working pointer for destination buffer */
- pOut = pDst;
-
- blkCnt = blockSize;
-
- while (blkCnt > 0U)
- {
- /* Perform Multiplications and store in destination buffer */
- *pOut++ = *px++ * coeff;
-
- /* Decrement the loop counter */
- blkCnt--;
- }
-
- /* Loop over the number of taps. */
- tapCnt = (uint32_t) numTaps - 1U;
-
- while (tapCnt > 0U)
- {
- /* Load the coefficient value and
- * increment the coefficient buffer for the next set of state values */
- coeff = *pCoeffs++;
-
- /* Read Index, from where the state buffer should be read, is calculated. */
- readIndex = ((int32_t) S->stateIndex - (int32_t) blockSize) - *pTapDelay++;
-
- /* Wraparound of readIndex */
- if (readIndex < 0)
- {
- readIndex += (int32_t) delaySize;
- }
-
- /* Working pointer for state buffer is updated */
- py = pState;
-
- /* blockSize samples are read from the state buffer */
- arm_circularRead_f32((int32_t *) py, delaySize, &readIndex, 1,
- (int32_t *) pb, (int32_t *) pb, blockSize, 1,
- blockSize);
-
- /* Working pointer for the scratch buffer */
- px = pb;
-
- /* Working pointer for destination buffer */
- pOut = pDst;
-
- blkCnt = blockSize;
-
- while (blkCnt > 0U)
- {
- /* Perform Multiply-Accumulate */
- *pOut++ += *px++ * coeff;
-
- /* Decrement the loop counter */
- blkCnt--;
- }
-
- /* Decrement the tap loop counter */
- tapCnt--;
- }
-}
-
-void ref_fir_sparse_q31(
- arm_fir_sparse_instance_q31 * S,
- q31_t * pSrc,
- q31_t * pDst,
- q31_t * pScratchIn,
- uint32_t blockSize)
-{
- q31_t *pState = S->pState; /* State pointer */
- q31_t *pCoeffs = S->pCoeffs; /* Coefficient pointer */
- q31_t *px; /* Scratch buffer pointer */
- q31_t *py = pState; /* Temporary pointers for state buffer */
- q31_t *pb = pScratchIn; /* Temporary pointers for scratch buffer */
- q31_t *pOut; /* Destination pointer */
- q63_t out; /* Temporary output variable */
- int32_t *pTapDelay = S->pTapDelay; /* Pointer to the array containing offset of the non-zero tap values. */
- uint32_t delaySize = S->maxDelay + blockSize; /* state length */
- uint16_t numTaps = S->numTaps; /* Filter order */
- int32_t readIndex; /* Read index of the state buffer */
- uint32_t tapCnt, blkCnt; /* loop counters */
- q31_t coeff = *pCoeffs++; /* Read the first coefficient value */
- q31_t in;
-
-
- /* BlockSize of Input samples are copied into the state buffer */
- /* StateIndex points to the starting position to write in the state buffer */
- arm_circularWrite_f32((int32_t *) py, delaySize, &S->stateIndex, 1,
- (int32_t *) pSrc, 1, blockSize);
-
- /* Read Index, from where the state buffer should be read, is calculated. */
- readIndex = (int32_t) (S->stateIndex - blockSize) - *pTapDelay++;
-
- /* Wraparound of readIndex */
- if (readIndex < 0)
- {
- readIndex += (int32_t) delaySize;
- }
-
- /* Working pointer for state buffer is updated */
- py = pState;
-
- /* blockSize samples are read from the state buffer */
- arm_circularRead_f32((int32_t *) py, delaySize, &readIndex, 1,
- (int32_t *) pb, (int32_t *) pb, blockSize, 1,
- blockSize);
-
- /* Working pointer for the scratch buffer of state values */
- px = pb;
-
- /* Working pointer for scratch buffer of output values */
- pOut = pDst;
-
- blkCnt = blockSize;
-
- while (blkCnt > 0U)
- {
- /* Perform Multiplications and store in the destination buffer */
- *pOut++ = (q31_t) (((q63_t) * px++ * coeff) >> 32);
-
- /* Decrement the loop counter */
- blkCnt--;
- }
-
- /* Loop over the number of taps. */
- tapCnt = (uint32_t) numTaps - 1U;
-
- while (tapCnt > 0U)
- {
- /* Load the coefficient value and
- * increment the coefficient buffer for the next set of state values */
- coeff = *pCoeffs++;
-
- /* Read Index, from where the state buffer should be read, is calculated. */
- readIndex = (int32_t) (S->stateIndex - blockSize) - *pTapDelay++;
-
- /* Wraparound of readIndex */
- if (readIndex < 0)
- {
- readIndex += (int32_t) delaySize;
- }
-
- /* Working pointer for state buffer is updated */
- py = pState;
-
- /* blockSize samples are read from the state buffer */
- arm_circularRead_f32((int32_t *) py, delaySize, &readIndex, 1,
- (int32_t *) pb, (int32_t *) pb, blockSize, 1,
- blockSize);
-
- /* Working pointer for the scratch buffer of state values */
- px = pb;
-
- /* Working pointer for scratch buffer of output values */
- pOut = pDst;
-
- blkCnt = blockSize;
-
- while (blkCnt > 0U)
- {
- /* Perform Multiply-Accumulate */
- out = *pOut;
- out += ((q63_t) * px++ * coeff) >> 32;
- *pOut++ = (q31_t) (out);
-
- /* Decrement the loop counter */
- blkCnt--;
- }
-
- /* Decrement the tap loop counter */
- tapCnt--;
- }
-
- /* Working output pointer is updated */
- pOut = pDst;
-
- /* Output is converted into 1.31 format. */
- blkCnt = blockSize;
-
- while (blkCnt > 0U)
- {
- in = *pOut << 1;
- *pOut++ = in;
-
- /* Decrement the loop counter */
- blkCnt--;
- }
-}
-
-void ref_fir_sparse_q15(
- arm_fir_sparse_instance_q15 * S,
- q15_t * pSrc,
- q15_t * pDst,
- q15_t * pScratchIn,
- q31_t * pScratchOut,
- uint32_t blockSize)
-{
- q15_t *pState = S->pState; /* State pointer */
- q15_t *pIn = pSrc; /* Working pointer for input */
- q15_t *pOut = pDst; /* Working pointer for output */
- q15_t *pCoeffs = S->pCoeffs; /* Coefficient pointer */
- q15_t *px; /* Temporary pointers for scratch buffer */
- q15_t *pb = pScratchIn; /* Temporary pointers for scratch buffer */
- q15_t *py = pState; /* Temporary pointers for state buffer */
- int32_t *pTapDelay = S->pTapDelay; /* Pointer to the array containing offset of the non-zero tap values. */
- uint32_t delaySize = S->maxDelay + blockSize; /* state length */
- uint16_t numTaps = S->numTaps; /* Filter order */
- int32_t readIndex; /* Read index of the state buffer */
- uint32_t tapCnt, blkCnt; /* loop counters */
- q15_t coeff = *pCoeffs++; /* Read the first coefficient value */
- q31_t *pScr2 = pScratchOut; /* Working pointer for pScratchOut */
-
- /* BlockSize of Input samples are copied into the state buffer */
- /* StateIndex points to the starting position to write in the state buffer */
- arm_circularWrite_q15(py, delaySize, &S->stateIndex, 1, pIn, 1, blockSize);
-
- /* Loop over the number of taps. */
- tapCnt = numTaps;
-
- /* Read Index, from where the state buffer should be read, is calculated. */
- readIndex = (S->stateIndex - blockSize) - *pTapDelay++;
-
- /* Wraparound of readIndex */
- if (readIndex < 0)
- {
- readIndex += (int32_t) delaySize;
- }
-
- /* Working pointer for state buffer is updated */
- py = pState;
-
- /* blockSize samples are read from the state buffer */
- arm_circularRead_q15(py, delaySize, &readIndex, 1,
- pb, pb, blockSize, 1, blockSize);
-
- /* Working pointer for the scratch buffer of state values */
- px = pb;
-
- /* Working pointer for scratch buffer of output values */
- pScratchOut = pScr2;
-
- blkCnt = blockSize;
-
- while (blkCnt > 0U)
- {
- /* Perform multiplication and store in the scratch buffer */
- *pScratchOut++ = ((q31_t) * px++ * coeff);
-
- /* Decrement the loop counter */
- blkCnt--;
- }
-
- /* Loop over the number of taps. */
- tapCnt = (uint32_t) numTaps - 1U;
-
- while (tapCnt > 0U)
- {
- /* Load the coefficient value and
- * increment the coefficient buffer for the next set of state values */
- coeff = *pCoeffs++;
-
- /* Read Index, from where the state buffer should be read, is calculated. */
- readIndex = (S->stateIndex - blockSize) - *pTapDelay++;
-
- /* Wraparound of readIndex */
- if (readIndex < 0)
- {
- readIndex += (int32_t) delaySize;
- }
-
- /* Working pointer for state buffer is updated */
- py = pState;
-
- /* blockSize samples are read from the state buffer */
- arm_circularRead_q15(py, delaySize, &readIndex, 1,
- pb, pb, blockSize, 1, blockSize);
-
- /* Working pointer for the scratch buffer of state values */
- px = pb;
-
- /* Working pointer for scratch buffer of output values */
- pScratchOut = pScr2;
-
- blkCnt = blockSize;
-
- while (blkCnt > 0U)
- {
- /* Perform Multiply-Accumulate */
- *pScratchOut++ += (q31_t) * px++ * coeff;
-
- /* Decrement the loop counter */
- blkCnt--;
- }
-
- /* Decrement the tap loop counter */
- tapCnt--;
- }
-
- /* All the output values are in pScratchOut buffer.
- Convert them into 1.15 format, saturate and store in the destination buffer. */
- /* Loop over the blockSize. */
- blkCnt = blockSize;
-
- while (blkCnt > 0U)
- {
- *pOut++ = (q15_t) __SSAT(*pScr2++ >> 15, 16);
- blkCnt--;
- }
-}
-
-void ref_fir_sparse_q7(
- arm_fir_sparse_instance_q7 * S,
- q7_t *pSrc,
- q7_t *pDst,
- q7_t *pScratchIn,
- q31_t * pScratchOut,
- uint32_t blockSize)
-{
- q7_t *pState = S->pState; /* State pointer */
- q7_t *pCoeffs = S->pCoeffs; /* Coefficient pointer */
- q7_t *px; /* Scratch buffer pointer */
- q7_t *py = pState; /* Temporary pointers for state buffer */
- q7_t *pb = pScratchIn; /* Temporary pointers for scratch buffer */
- q7_t *pOut = pDst; /* Destination pointer */
- int32_t *pTapDelay = S->pTapDelay; /* Pointer to the array containing offset of the non-zero tap values. */
- uint32_t delaySize = S->maxDelay + blockSize; /* state length */
- uint16_t numTaps = S->numTaps; /* Filter order */
- int32_t readIndex; /* Read index of the state buffer */
- uint32_t tapCnt, blkCnt; /* loop counters */
- q7_t coeff = *pCoeffs++; /* Read the coefficient value */
- q31_t *pScr2 = pScratchOut; /* Working pointer for scratch buffer of output values */
- q31_t in;
-
- /* BlockSize of Input samples are copied into the state buffer */
- /* StateIndex points to the starting position to write in the state buffer */
- arm_circularWrite_q7(py, (int32_t) delaySize, &S->stateIndex, 1, pSrc, 1,
- blockSize);
-
- /* Loop over the number of taps. */
- tapCnt = numTaps;
-
- /* Read Index, from where the state buffer should be read, is calculated. */
- readIndex = ((int32_t) S->stateIndex - (int32_t) blockSize) - *pTapDelay++;
-
- /* Wraparound of readIndex */
- if (readIndex < 0)
- {
- readIndex += (int32_t) delaySize;
- }
-
- /* Working pointer for state buffer is updated */
- py = pState;
-
- /* blockSize samples are read from the state buffer */
- arm_circularRead_q7(py, (int32_t) delaySize, &readIndex, 1, pb, pb,
- (int32_t) blockSize, 1, blockSize);
-
- /* Working pointer for the scratch buffer of state values */
- px = pb;
-
- /* Working pointer for scratch buffer of output values */
- pScratchOut = pScr2;
-
- /* Loop over the blockSize */
- blkCnt = blockSize;
-
- while (blkCnt > 0U)
- {
- /* Perform multiplication and store in the scratch buffer */
- *pScratchOut++ = ((q31_t) * px++ * coeff);
-
- /* Decrement the loop counter */
- blkCnt--;
- }
-
- /* Loop over the number of taps. */
- tapCnt = (uint32_t) numTaps - 1U;
-
- while (tapCnt > 0U)
- {
- /* Load the coefficient value and
- * increment the coefficient buffer for the next set of state values */
- coeff = *pCoeffs++;
-
- /* Read Index, from where the state buffer should be read, is calculated. */
- readIndex = ((int32_t) S->stateIndex - (int32_t) blockSize) - *pTapDelay++;
-
- /* Wraparound of readIndex */
- if (readIndex < 0)
- {
- readIndex += (int32_t) delaySize;
- }
-
- /* Working pointer for state buffer is updated */
- py = pState;
-
- /* blockSize samples are read from the state buffer */
- arm_circularRead_q7(py, (int32_t) delaySize, &readIndex, 1, pb, pb,
- (int32_t) blockSize, 1, blockSize);
-
- /* Working pointer for the scratch buffer of state values */
- px = pb;
-
- /* Working pointer for scratch buffer of output values */
- pScratchOut = pScr2;
-
- /* Loop over the blockSize */
- blkCnt = blockSize;
-
- while (blkCnt > 0U)
- {
- /* Perform Multiply-Accumulate */
- in = *pScratchOut + ((q31_t) * px++ * coeff);
- *pScratchOut++ = in;
-
- /* Decrement the loop counter */
- blkCnt--;
- }
-
- /* Decrement the tap loop counter */
- tapCnt--;
- }
-
- /* All the output values are in pScratchOut buffer.
- Convert them into 1.15 format, saturate and store in the destination buffer. */
- /* Loop over the blockSize. */
- blkCnt = blockSize;
-
- while (blkCnt > 0U)
- {
- *pOut++ = (q7_t) __SSAT(*pScr2++ >> 7, 8);
-
- /* Decrement the blockSize loop counter */
- blkCnt--;
- }
-}
|