Move firmware into subdirectory

1 files changed, 0 insertions, 345 deletions

diff --git a/hid-dials/Drivers/CMSIS/DSP/Source/TransformFunctions/arm_cfft_q15.c b/hid-dials/Drivers/CMSIS/DSP/Source/TransformFunctions/arm_cfft_q15.c
deleted file mode 100644
index 0f5096e..0000000
--- a/hid-dials/Drivers/CMSIS/DSP/Source/TransformFunctions/arm_cfft_q15.c
+++ /dev/null
@@ -1,345 +0,0 @@
-/* ----------------------------------------------------------------------

- * Project:      CMSIS DSP Library

- * Title:        arm_cfft_q15.c

- * Description:  Combined Radix Decimation in Q15 Frequency CFFT processing 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"

-

-extern void arm_radix4_butterfly_q15(

-    q15_t * pSrc,

-    uint32_t fftLen,

-    q15_t * pCoef,

-    uint32_t twidCoefModifier);

-

-extern void arm_radix4_butterfly_inverse_q15(

-    q15_t * pSrc,

-    uint32_t fftLen,

-    q15_t * pCoef,

-    uint32_t twidCoefModifier);

-

-extern void arm_bitreversal_16(

-    uint16_t * pSrc,

-    const uint16_t bitRevLen,

-    const uint16_t * pBitRevTable);

-

-void arm_cfft_radix4by2_q15(

-    q15_t * pSrc,

-    uint32_t fftLen,

-    const q15_t * pCoef);

-

-void arm_cfft_radix4by2_inverse_q15(

-    q15_t * pSrc,

-    uint32_t fftLen,

-    const q15_t * pCoef);

-

-/**

-* @ingroup groupTransforms

-*/

-

-/**

-* @addtogroup ComplexFFT

-* @{

-*/

-

-/**

-* @details

-* @brief       Processing function for the Q15 complex FFT.

-* @param[in]      *S    points to an instance of the Q15 CFFT structure.

-* @param[in, out] *p1   points to the complex data buffer of size <code>2*fftLen</code>. Processing occurs in-place.

-* @param[in]     ifftFlag       flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform.

-* @param[in]     bitReverseFlag flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output.

-* @return none.

-*/

-

-void arm_cfft_q15(

-    const arm_cfft_instance_q15 * S,

-    q15_t * p1,

-    uint8_t ifftFlag,

-    uint8_t bitReverseFlag)

-{

-    uint32_t L = S->fftLen;

-

-    if (ifftFlag == 1U)

-    {

-        switch (L)

-        {

-        case 16:

-        case 64:

-        case 256:

-        case 1024:

-        case 4096:

-            arm_radix4_butterfly_inverse_q15  ( p1, L, (q15_t*)S->pTwiddle, 1 );

-            break;

-

-        case 32:

-        case 128:

-        case 512:

-        case 2048:

-            arm_cfft_radix4by2_inverse_q15  ( p1, L, S->pTwiddle );

-            break;

-        }

-    }

-    else

-    {

-        switch (L)

-        {

-        case 16:

-        case 64:

-        case 256:

-        case 1024:

-        case 4096:

-            arm_radix4_butterfly_q15  ( p1, L, (q15_t*)S->pTwiddle, 1 );

-            break;

-

-        case 32:

-        case 128:

-        case 512:

-        case 2048:

-            arm_cfft_radix4by2_q15  ( p1, L, S->pTwiddle );

-            break;

-        }

-    }

-

-    if ( bitReverseFlag )

-        arm_bitreversal_16((uint16_t*)p1,S->bitRevLength,S->pBitRevTable);

-}

-

-/**

-* @} end of ComplexFFT group

-*/

-

-void arm_cfft_radix4by2_q15(

-    q15_t * pSrc,

-    uint32_t fftLen,

-    const q15_t * pCoef)

-{

-    uint32_t i;

-    uint32_t n2;

-    q15_t p0, p1, p2, p3;

-#if defined (ARM_MATH_DSP)

-    q31_t T, S, R;

-    q31_t coeff, out1, out2;

-    const q15_t *pC = pCoef;

-    q15_t *pSi = pSrc;

-    q15_t *pSl = pSrc + fftLen;

-#else

-    uint32_t ia, l;

-    q15_t xt, yt, cosVal, sinVal;

-#endif

-

-    n2 = fftLen >> 1;

-

-#if defined (ARM_MATH_DSP)

-

-    for (i = n2; i > 0; i--)

-    {

-        coeff = _SIMD32_OFFSET(pC);

-        pC += 2;

-

-        T = _SIMD32_OFFSET(pSi);

-        T = __SHADD16(T, 0); // this is just a SIMD arithmetic shift right by 1

-

-        S = _SIMD32_OFFSET(pSl);

-        S = __SHADD16(S, 0); // this is just a SIMD arithmetic shift right by 1

-

-        R = __QSUB16(T, S);

-

-        _SIMD32_OFFSET(pSi) = __SHADD16(T, S);

-        pSi += 2;

-

-    #ifndef ARM_MATH_BIG_ENDIAN

-

-        out1 = __SMUAD(coeff, R) >> 16;

-        out2 = __SMUSDX(coeff, R);

-

-    #else

-

-        out1 = __SMUSDX(R, coeff) >> 16U;

-        out2 = __SMUAD(coeff, R);

-

-    #endif //     #ifndef ARM_MATH_BIG_ENDIAN

-

-        _SIMD32_OFFSET(pSl) =

-        (q31_t) ((out2) & 0xFFFF0000) | (out1 & 0x0000FFFF);

-        pSl += 2;

-    }

-

-#else //    #if defined (ARM_MATH_DSP)

-

-    ia = 0;

-    for (i = 0; i < n2; i++)

-    {

-        cosVal = pCoef[ia * 2];

-        sinVal = pCoef[(ia * 2) + 1];

-        ia++;

-

-        l = i + n2;

-

-        xt = (pSrc[2 * i] >> 1U) - (pSrc[2 * l] >> 1U);

-        pSrc[2 * i] = ((pSrc[2 * i] >> 1U) + (pSrc[2 * l] >> 1U)) >> 1U;

-

-        yt = (pSrc[2 * i + 1] >> 1U) - (pSrc[2 * l + 1] >> 1U);

-        pSrc[2 * i + 1] =

-        ((pSrc[2 * l + 1] >> 1U) + (pSrc[2 * i + 1] >> 1U)) >> 1U;

-

-        pSrc[2U * l] = (((int16_t) (((q31_t) xt * cosVal) >> 16)) +

-                  ((int16_t) (((q31_t) yt * sinVal) >> 16)));

-

-        pSrc[2U * l + 1U] = (((int16_t) (((q31_t) yt * cosVal) >> 16)) -

-                       ((int16_t) (((q31_t) xt * sinVal) >> 16)));

-    }

-

-#endif //    #if defined (ARM_MATH_DSP)

-

-    // first col

-    arm_radix4_butterfly_q15( pSrc, n2, (q15_t*)pCoef, 2U);

-    // second col

-    arm_radix4_butterfly_q15( pSrc + fftLen, n2, (q15_t*)pCoef, 2U);

-

-    for (i = 0; i < fftLen >> 1; i++)

-    {

-        p0 = pSrc[4*i+0];

-        p1 = pSrc[4*i+1];

-        p2 = pSrc[4*i+2];

-        p3 = pSrc[4*i+3];

-

-        p0 <<= 1;

-        p1 <<= 1;

-        p2 <<= 1;

-        p3 <<= 1;

-

-        pSrc[4*i+0] = p0;

-        pSrc[4*i+1] = p1;

-        pSrc[4*i+2] = p2;

-        pSrc[4*i+3] = p3;

-    }

-}

-

-void arm_cfft_radix4by2_inverse_q15(

-    q15_t * pSrc,

-    uint32_t fftLen,

-    const q15_t * pCoef)

-{

-    uint32_t i;

-    uint32_t n2;

-    q15_t p0, p1, p2, p3;

-#if defined (ARM_MATH_DSP)

-    q31_t T, S, R;

-    q31_t coeff, out1, out2;

-    const q15_t *pC = pCoef;

-    q15_t *pSi = pSrc;

-    q15_t *pSl = pSrc + fftLen;

-#else

-    uint32_t ia, l;

-    q15_t xt, yt, cosVal, sinVal;

-#endif

-

-    n2 = fftLen >> 1;

-

-#if defined (ARM_MATH_DSP)

-

-    for (i = n2; i > 0; i--)

-    {

-        coeff = _SIMD32_OFFSET(pC);

-        pC += 2;

-

-        T = _SIMD32_OFFSET(pSi);

-        T = __SHADD16(T, 0); // this is just a SIMD arithmetic shift right by 1

-

-        S = _SIMD32_OFFSET(pSl);

-        S = __SHADD16(S, 0); // this is just a SIMD arithmetic shift right by 1

-

-        R = __QSUB16(T, S);

-

-        _SIMD32_OFFSET(pSi) = __SHADD16(T, S);

-        pSi += 2;

-

-    #ifndef ARM_MATH_BIG_ENDIAN

-

-        out1 = __SMUSD(coeff, R) >> 16;

-        out2 = __SMUADX(coeff, R);

-    #else

-

-        out1 = __SMUADX(R, coeff) >> 16U;

-        out2 = __SMUSD(__QSUB(0, coeff), R);

-

-    #endif //     #ifndef ARM_MATH_BIG_ENDIAN

-

-        _SIMD32_OFFSET(pSl) =

-        (q31_t) ((out2) & 0xFFFF0000) | (out1 & 0x0000FFFF);

-        pSl += 2;

-    }

-

-#else //    #if defined (ARM_MATH_DSP)

-

-    ia = 0;

-    for (i = 0; i < n2; i++)

-    {

-        cosVal = pCoef[ia * 2];

-        sinVal = pCoef[(ia * 2) + 1];

-        ia++;

-

-        l = i + n2;

-        xt = (pSrc[2 * i] >> 1U) - (pSrc[2 * l] >> 1U);

-        pSrc[2 * i] = ((pSrc[2 * i] >> 1U) + (pSrc[2 * l] >> 1U)) >> 1U;

-

-        yt = (pSrc[2 * i + 1] >> 1U) - (pSrc[2 * l + 1] >> 1U);

-        pSrc[2 * i + 1] =

-          ((pSrc[2 * l + 1] >> 1U) + (pSrc[2 * i + 1] >> 1U)) >> 1U;

-

-        pSrc[2U * l] = (((int16_t) (((q31_t) xt * cosVal) >> 16)) -

-                        ((int16_t) (((q31_t) yt * sinVal) >> 16)));

-

-        pSrc[2U * l + 1U] = (((int16_t) (((q31_t) yt * cosVal) >> 16)) +

-                           ((int16_t) (((q31_t) xt * sinVal) >> 16)));

-    }

-

-#endif //    #if defined (ARM_MATH_DSP)

-

-    // first col

-    arm_radix4_butterfly_inverse_q15( pSrc, n2, (q15_t*)pCoef, 2U);

-    // second col

-    arm_radix4_butterfly_inverse_q15( pSrc + fftLen, n2, (q15_t*)pCoef, 2U);

-

-    for (i = 0; i < fftLen >> 1; i++)

-    {

-        p0 = pSrc[4*i+0];

-        p1 = pSrc[4*i+1];

-        p2 = pSrc[4*i+2];

-        p3 = pSrc[4*i+3];

-

-        p0 <<= 1;

-        p1 <<= 1;

-        p2 <<= 1;

-        p3 <<= 1;

-

-        pSrc[4*i+0] = p0;

-        pSrc[4*i+1] = p1;

-        pSrc[4*i+2] = p2;

-        pSrc[4*i+3] = p3;

-    }

-}

-