Move firmware into subdirectory

1 files changed, 0 insertions, 318 deletions

diff --git a/hid-dials/Drivers/CMSIS/DSP/Source/TransformFunctions/arm_rfft_f32.c b/hid-dials/Drivers/CMSIS/DSP/Source/TransformFunctions/arm_rfft_f32.c
deleted file mode 100644
index 16c75eb..0000000
--- a/hid-dials/Drivers/CMSIS/DSP/Source/TransformFunctions/arm_rfft_f32.c
+++ /dev/null
@@ -1,318 +0,0 @@
-/* ----------------------------------------------------------------------

- * Project:      CMSIS DSP Library

- * Title:        arm_rfft_f32.c

- * Description:  RFFT & RIFFT Floating point process function

- *

- * $Date:        27. January 2017

- * $Revision:    V.1.5.1

- *

- * Target Processor: Cortex-M cores

- * -------------------------------------------------------------------- */

-/*

- * Copyright (C) 2010-2017 ARM Limited or its affiliates. All rights reserved.

- *

- * SPDX-License-Identifier: Apache-2.0

- *

- * Licensed under the Apache License, Version 2.0 (the License); you may

- * not use this file except in compliance with the License.

- * You may obtain a copy of the License at

- *

- * www.apache.org/licenses/LICENSE-2.0

- *

- * Unless required by applicable law or agreed to in writing, software

- * distributed under the License is distributed on an AS IS BASIS, WITHOUT

- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

- * See the License for the specific language governing permissions and

- * limitations under the License.

- */

-

-#include "arm_math.h"

-

-/* ----------------------------------------------------------------------

- * Internal functions prototypes

- * -------------------------------------------------------------------- */

-

-extern void arm_radix4_butterfly_f32(

-    float32_t * pSrc,

-    uint16_t fftLen,

-    float32_t * pCoef,

-    uint16_t twidCoefModifier);

-

-extern void arm_radix4_butterfly_inverse_f32(

-    float32_t * pSrc,

-    uint16_t fftLen,

-    float32_t * pCoef,

-    uint16_t twidCoefModifier,

-    float32_t onebyfftLen);

-

-extern void arm_bitreversal_f32(

-    float32_t * pSrc,

-    uint16_t fftSize,

-    uint16_t bitRevFactor,

-    uint16_t * pBitRevTab);

-

-void arm_split_rfft_f32(

-  float32_t * pSrc,

-  uint32_t fftLen,

-  float32_t * pATable,

-  float32_t * pBTable,

-  float32_t * pDst,

-  uint32_t modifier);

-

-void arm_split_rifft_f32(

-  float32_t * pSrc,

-  uint32_t fftLen,

-  float32_t * pATable,

-  float32_t * pBTable,

-  float32_t * pDst,

-  uint32_t modifier);

-

-/**

-* @ingroup groupTransforms

-*/

-

-/**

- * @addtogroup RealFFT

- * @{

- */

-

-/**

- * @brief Processing function for the floating-point RFFT/RIFFT.

- * @deprecated Do not use this function.  It has been superceded by \ref arm_rfft_fast_f32 and will be removed

- * in the future.

- * @param[in]  *S    points to an instance of the floating-point RFFT/RIFFT structure.

- * @param[in]  *pSrc points to the input buffer.

- * @param[out] *pDst points to the output buffer.

- * @return none.

- */

-

-void arm_rfft_f32(

-  const arm_rfft_instance_f32 * S,

-  float32_t * pSrc,

-  float32_t * pDst)

-{

-  const arm_cfft_radix4_instance_f32 *S_CFFT = S->pCfft;

-

-

-  /* Calculation of Real IFFT of input */

-  if (S->ifftFlagR == 1U)

-  {

-    /*  Real IFFT core process */

-    arm_split_rifft_f32(pSrc, S->fftLenBy2, S->pTwiddleAReal,

-                        S->pTwiddleBReal, pDst, S->twidCoefRModifier);

-

-

-    /* Complex radix-4 IFFT process */

-    arm_radix4_butterfly_inverse_f32(pDst, S_CFFT->fftLen,

-                                     S_CFFT->pTwiddle,

-                                     S_CFFT->twidCoefModifier,

-                                     S_CFFT->onebyfftLen);

-

-    /* Bit reversal process */

-    if (S->bitReverseFlagR == 1U)

-    {

-      arm_bitreversal_f32(pDst, S_CFFT->fftLen,

-                          S_CFFT->bitRevFactor, S_CFFT->pBitRevTable);

-    }

-  }

-  else

-  {

-

-    /* Calculation of RFFT of input */

-

-    /* Complex radix-4 FFT process */

-    arm_radix4_butterfly_f32(pSrc, S_CFFT->fftLen,

-                             S_CFFT->pTwiddle, S_CFFT->twidCoefModifier);

-

-    /* Bit reversal process */

-    if (S->bitReverseFlagR == 1U)

-    {

-      arm_bitreversal_f32(pSrc, S_CFFT->fftLen,

-                          S_CFFT->bitRevFactor, S_CFFT->pBitRevTable);

-    }

-

-

-    /*  Real FFT core process */

-    arm_split_rfft_f32(pSrc, S->fftLenBy2, S->pTwiddleAReal,

-                       S->pTwiddleBReal, pDst, S->twidCoefRModifier);

-  }

-

-}

-

-/**

-   * @} end of RealFFT group

-   */

-

-/**

- * @brief  Core Real FFT process

- * @param[in]   *pSrc 				points to the input buffer.

- * @param[in]   fftLen  			length of FFT.

- * @param[in]   *pATable 			points to the twiddle Coef A buffer.

- * @param[in]   *pBTable 			points to the twiddle Coef B buffer.

- * @param[out]  *pDst 				points to the output buffer.

- * @param[in]   modifier 	        twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.

- * @return none.

- */

-

-void arm_split_rfft_f32(

-  float32_t * pSrc,

-  uint32_t fftLen,

-  float32_t * pATable,

-  float32_t * pBTable,

-  float32_t * pDst,

-  uint32_t modifier)

-{

-  uint32_t i;                                    /* Loop Counter */

-  float32_t outR, outI;                          /* Temporary variables for output */

-  float32_t *pCoefA, *pCoefB;                    /* Temporary pointers for twiddle factors */

-  float32_t CoefA1, CoefA2, CoefB1;              /* Temporary variables for twiddle coefficients */

-  float32_t *pDst1 = &pDst[2], *pDst2 = &pDst[(4U * fftLen) - 1U];      /* temp pointers for output buffer */

-  float32_t *pSrc1 = &pSrc[2], *pSrc2 = &pSrc[(2U * fftLen) - 1U];      /* temp pointers for input buffer */

-

-  /* Init coefficient pointers */

-  pCoefA = &pATable[modifier * 2U];

-  pCoefB = &pBTable[modifier * 2U];

-

-  i = fftLen - 1U;

-

-  while (i > 0U)

-  {

-    /*

-       outR = (pSrc[2 * i] * pATable[2 * i] - pSrc[2 * i + 1] * pATable[2 * i + 1]

-       + pSrc[2 * n - 2 * i] * pBTable[2 * i] +

-       pSrc[2 * n - 2 * i + 1] * pBTable[2 * i + 1]);

-     */

-

-    /* outI = (pIn[2 * i + 1] * pATable[2 * i] + pIn[2 * i] * pATable[2 * i + 1] +

-       pIn[2 * n - 2 * i] * pBTable[2 * i + 1] -

-       pIn[2 * n - 2 * i + 1] * pBTable[2 * i]); */

-

-    /* read pATable[2 * i] */

-    CoefA1 = *pCoefA++;

-    /* pATable[2 * i + 1] */

-    CoefA2 = *pCoefA;

-

-    /* pSrc[2 * i] * pATable[2 * i] */

-    outR = *pSrc1 * CoefA1;

-    /* pSrc[2 * i] * CoefA2 */

-    outI = *pSrc1++ * CoefA2;

-

-    /* (pSrc[2 * i + 1] + pSrc[2 * fftLen - 2 * i + 1]) * CoefA2 */

-    outR -= (*pSrc1 + *pSrc2) * CoefA2;

-    /* pSrc[2 * i + 1] * CoefA1 */

-    outI += *pSrc1++ * CoefA1;

-

-    CoefB1 = *pCoefB;

-

-    /* pSrc[2 * fftLen - 2 * i + 1] * CoefB1 */

-    outI -= *pSrc2-- * CoefB1;

-    /* pSrc[2 * fftLen - 2 * i] * CoefA2 */

-    outI -= *pSrc2 * CoefA2;

-

-    /* pSrc[2 * fftLen - 2 * i] * CoefB1 */

-    outR += *pSrc2-- * CoefB1;

-

-    /* write output */

-    *pDst1++ = outR;

-    *pDst1++ = outI;

-

-    /* write complex conjugate output */

-    *pDst2-- = -outI;

-    *pDst2-- = outR;

-

-    /* update coefficient pointer */

-    pCoefB = pCoefB + (modifier * 2U);

-    pCoefA = pCoefA + ((modifier * 2U) - 1U);

-

-    i--;

-

-  }

-

-  pDst[2U * fftLen] = pSrc[0] - pSrc[1];

-  pDst[(2U * fftLen) + 1U] = 0.0f;

-

-  pDst[0] = pSrc[0] + pSrc[1];

-  pDst[1] = 0.0f;

-

-}

-

-

-/**

- * @brief  Core Real IFFT process

- * @param[in]   *pSrc 				points to the input buffer.

- * @param[in]   fftLen  			length of FFT.

- * @param[in]   *pATable 			points to the twiddle Coef A buffer.

- * @param[in]   *pBTable 			points to the twiddle Coef B buffer.

- * @param[out]  *pDst 				points to the output buffer.

- * @param[in]   modifier 	        twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.

- * @return none.

- */

-

-void arm_split_rifft_f32(

-  float32_t * pSrc,

-  uint32_t fftLen,

-  float32_t * pATable,

-  float32_t * pBTable,

-  float32_t * pDst,

-  uint32_t modifier)

-{

-  float32_t outR, outI;                          /* Temporary variables for output */

-  float32_t *pCoefA, *pCoefB;                    /* Temporary pointers for twiddle factors */

-  float32_t CoefA1, CoefA2, CoefB1;              /* Temporary variables for twiddle coefficients */

-  float32_t *pSrc1 = &pSrc[0], *pSrc2 = &pSrc[(2U * fftLen) + 1U];

-

-  pCoefA = &pATable[0];

-  pCoefB = &pBTable[0];

-

-  while (fftLen > 0U)

-  {

-    /*

-       outR = (pIn[2 * i] * pATable[2 * i] + pIn[2 * i + 1] * pATable[2 * i + 1] +

-       pIn[2 * n - 2 * i] * pBTable[2 * i] -

-       pIn[2 * n - 2 * i + 1] * pBTable[2 * i + 1]);

-

-       outI = (pIn[2 * i + 1] * pATable[2 * i] - pIn[2 * i] * pATable[2 * i + 1] -

-       pIn[2 * n - 2 * i] * pBTable[2 * i + 1] -

-       pIn[2 * n - 2 * i + 1] * pBTable[2 * i]);

-

-     */

-

-    CoefA1 = *pCoefA++;

-    CoefA2 = *pCoefA;

-

-    /* outR = (pSrc[2 * i] * CoefA1 */

-    outR = *pSrc1 * CoefA1;

-

-    /* - pSrc[2 * i] * CoefA2 */

-    outI = -(*pSrc1++) * CoefA2;

-

-    /* (pSrc[2 * i + 1] + pSrc[2 * fftLen - 2 * i + 1]) * CoefA2 */

-    outR += (*pSrc1 + *pSrc2) * CoefA2;

-

-    /* pSrc[2 * i + 1] * CoefA1 */

-    outI += (*pSrc1++) * CoefA1;

-

-    CoefB1 = *pCoefB;

-

-    /* - pSrc[2 * fftLen - 2 * i + 1] * CoefB1 */

-    outI -= *pSrc2-- * CoefB1;

-

-    /* pSrc[2 * fftLen - 2 * i] * CoefB1 */

-    outR += *pSrc2 * CoefB1;

-

-    /* pSrc[2 * fftLen - 2 * i] * CoefA2 */

-    outI += *pSrc2-- * CoefA2;

-

-    /* write output */

-    *pDst++ = outR;

-    *pDst++ = outI;

-

-    /* update coefficient pointer */

-    pCoefB = pCoefB + (modifier * 2U);

-    pCoefA = pCoefA + ((modifier * 2U) - 1U);

-

-    /* Decrement loop count */

-    fftLen--;

-  }

-

-}