From d8b6d18d2fefee381eb6a26334a13e94126b6d8e Mon Sep 17 00:00:00 2001 From: jaseg Date: Mon, 21 Dec 2020 16:22:11 +0100 Subject: Remove obsolete template code from fw --- .../FilteringFunctions/arm_fir_lattice_q15.c | 524 --------------------- 1 file changed, 524 deletions(-) delete mode 100644 fw/hid-dials/Drivers/CMSIS/DSP/Source/FilteringFunctions/arm_fir_lattice_q15.c (limited to 'fw/hid-dials/Drivers/CMSIS/DSP/Source/FilteringFunctions/arm_fir_lattice_q15.c') diff --git a/fw/hid-dials/Drivers/CMSIS/DSP/Source/FilteringFunctions/arm_fir_lattice_q15.c b/fw/hid-dials/Drivers/CMSIS/DSP/Source/FilteringFunctions/arm_fir_lattice_q15.c deleted file mode 100644 index fb95ab6..0000000 --- a/fw/hid-dials/Drivers/CMSIS/DSP/Source/FilteringFunctions/arm_fir_lattice_q15.c +++ /dev/null @@ -1,524 +0,0 @@ -/* ---------------------------------------------------------------------- - * Project: CMSIS DSP Library - * Title: arm_fir_lattice_q15.c - * Description: Q15 FIR lattice filter 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" - -/** - * @ingroup groupFilters - */ - -/** - * @addtogroup FIR_Lattice - * @{ - */ - - -/** - * @brief Processing function for the Q15 FIR lattice filter. - * @param[in] *S points to an instance of the Q15 FIR lattice structure. - * @param[in] *pSrc points to the block of input data. - * @param[out] *pDst points to the block of output data - * @param[in] blockSize number of samples to process. - * @return none. - */ - -void arm_fir_lattice_q15( - const arm_fir_lattice_instance_q15 * S, - q15_t * pSrc, - q15_t * pDst, - uint32_t blockSize) -{ - q15_t *pState; /* State pointer */ - q15_t *pCoeffs = S->pCoeffs; /* Coefficient pointer */ - q15_t *px; /* temporary state pointer */ - q15_t *pk; /* temporary coefficient pointer */ - - -#if defined (ARM_MATH_DSP) - - /* Run the below code for Cortex-M4 and Cortex-M3 */ - - q31_t fcurnt1, fnext1, gcurnt1 = 0, gnext1; /* temporary variables for first sample in loop unrolling */ - q31_t fcurnt2, fnext2, gnext2; /* temporary variables for second sample in loop unrolling */ - q31_t fcurnt3, fnext3, gnext3; /* temporary variables for third sample in loop unrolling */ - q31_t fcurnt4, fnext4, gnext4; /* temporary variables for fourth sample in loop unrolling */ - uint32_t numStages = S->numStages; /* Number of stages in the filter */ - uint32_t blkCnt, stageCnt; /* temporary variables for counts */ - - pState = &S->pState[0]; - - blkCnt = blockSize >> 2U; - - /* First part of the processing with loop unrolling. Compute 4 outputs at a time. - ** a second loop below computes the remaining 1 to 3 samples. */ - while (blkCnt > 0U) - { - - /* Read two samples from input buffer */ - /* f0(n) = x(n) */ - fcurnt1 = *pSrc++; - fcurnt2 = *pSrc++; - - /* Initialize coeff pointer */ - pk = (pCoeffs); - - /* Initialize state pointer */ - px = pState; - - /* Read g0(n-1) from state */ - gcurnt1 = *px; - - /* Process first sample for first tap */ - /* f1(n) = f0(n) + K1 * g0(n-1) */ - fnext1 = (q31_t) ((gcurnt1 * (*pk)) >> 15U) + fcurnt1; - fnext1 = __SSAT(fnext1, 16); - - /* g1(n) = f0(n) * K1 + g0(n-1) */ - gnext1 = (q31_t) ((fcurnt1 * (*pk)) >> 15U) + gcurnt1; - gnext1 = __SSAT(gnext1, 16); - - /* Process second sample for first tap */ - /* for sample 2 processing */ - fnext2 = (q31_t) ((fcurnt1 * (*pk)) >> 15U) + fcurnt2; - fnext2 = __SSAT(fnext2, 16); - - gnext2 = (q31_t) ((fcurnt2 * (*pk)) >> 15U) + fcurnt1; - gnext2 = __SSAT(gnext2, 16); - - - /* Read next two samples from input buffer */ - /* f0(n+2) = x(n+2) */ - fcurnt3 = *pSrc++; - fcurnt4 = *pSrc++; - - /* Copy only last input samples into the state buffer - which is used for next four samples processing */ - *px++ = (q15_t) fcurnt4; - - /* Process third sample for first tap */ - fnext3 = (q31_t) ((fcurnt2 * (*pk)) >> 15U) + fcurnt3; - fnext3 = __SSAT(fnext3, 16); - gnext3 = (q31_t) ((fcurnt3 * (*pk)) >> 15U) + fcurnt2; - gnext3 = __SSAT(gnext3, 16); - - /* Process fourth sample for first tap */ - fnext4 = (q31_t) ((fcurnt3 * (*pk)) >> 15U) + fcurnt4; - fnext4 = __SSAT(fnext4, 16); - gnext4 = (q31_t) ((fcurnt4 * (*pk++)) >> 15U) + fcurnt3; - gnext4 = __SSAT(gnext4, 16); - - /* Update of f values for next coefficient set processing */ - fcurnt1 = fnext1; - fcurnt2 = fnext2; - fcurnt3 = fnext3; - fcurnt4 = fnext4; - - - /* Loop unrolling. Process 4 taps at a time . */ - stageCnt = (numStages - 1U) >> 2; - - - /* Loop over the number of taps. Unroll by a factor of 4. - ** Repeat until we've computed numStages-3 coefficients. */ - - /* Process 2nd, 3rd, 4th and 5th taps ... here */ - while (stageCnt > 0U) - { - /* Read g1(n-1), g3(n-1) .... from state */ - gcurnt1 = *px; - - /* save g1(n) in state buffer */ - *px++ = (q15_t) gnext4; - - /* Process first sample for 2nd, 6th .. tap */ - /* Sample processing for K2, K6.... */ - /* f1(n) = f0(n) + K1 * g0(n-1) */ - fnext1 = (q31_t) ((gcurnt1 * (*pk)) >> 15U) + fcurnt1; - fnext1 = __SSAT(fnext1, 16); - - - /* Process second sample for 2nd, 6th .. tap */ - /* for sample 2 processing */ - fnext2 = (q31_t) ((gnext1 * (*pk)) >> 15U) + fcurnt2; - fnext2 = __SSAT(fnext2, 16); - /* Process third sample for 2nd, 6th .. tap */ - fnext3 = (q31_t) ((gnext2 * (*pk)) >> 15U) + fcurnt3; - fnext3 = __SSAT(fnext3, 16); - /* Process fourth sample for 2nd, 6th .. tap */ - /* fnext4 = fcurnt4 + (*pk) * gnext3; */ - fnext4 = (q31_t) ((gnext3 * (*pk)) >> 15U) + fcurnt4; - fnext4 = __SSAT(fnext4, 16); - - /* g1(n) = f0(n) * K1 + g0(n-1) */ - /* Calculation of state values for next stage */ - gnext4 = (q31_t) ((fcurnt4 * (*pk)) >> 15U) + gnext3; - gnext4 = __SSAT(gnext4, 16); - gnext3 = (q31_t) ((fcurnt3 * (*pk)) >> 15U) + gnext2; - gnext3 = __SSAT(gnext3, 16); - - gnext2 = (q31_t) ((fcurnt2 * (*pk)) >> 15U) + gnext1; - gnext2 = __SSAT(gnext2, 16); - - gnext1 = (q31_t) ((fcurnt1 * (*pk++)) >> 15U) + gcurnt1; - gnext1 = __SSAT(gnext1, 16); - - - /* Read g2(n-1), g4(n-1) .... from state */ - gcurnt1 = *px; - - /* save g1(n) in state buffer */ - *px++ = (q15_t) gnext4; - - /* Sample processing for K3, K7.... */ - /* Process first sample for 3rd, 7th .. tap */ - /* f3(n) = f2(n) + K3 * g2(n-1) */ - fcurnt1 = (q31_t) ((gcurnt1 * (*pk)) >> 15U) + fnext1; - fcurnt1 = __SSAT(fcurnt1, 16); - - /* Process second sample for 3rd, 7th .. tap */ - fcurnt2 = (q31_t) ((gnext1 * (*pk)) >> 15U) + fnext2; - fcurnt2 = __SSAT(fcurnt2, 16); - - /* Process third sample for 3rd, 7th .. tap */ - fcurnt3 = (q31_t) ((gnext2 * (*pk)) >> 15U) + fnext3; - fcurnt3 = __SSAT(fcurnt3, 16); - - /* Process fourth sample for 3rd, 7th .. tap */ - fcurnt4 = (q31_t) ((gnext3 * (*pk)) >> 15U) + fnext4; - fcurnt4 = __SSAT(fcurnt4, 16); - - /* Calculation of state values for next stage */ - /* g3(n) = f2(n) * K3 + g2(n-1) */ - gnext4 = (q31_t) ((fnext4 * (*pk)) >> 15U) + gnext3; - gnext4 = __SSAT(gnext4, 16); - - gnext3 = (q31_t) ((fnext3 * (*pk)) >> 15U) + gnext2; - gnext3 = __SSAT(gnext3, 16); - - gnext2 = (q31_t) ((fnext2 * (*pk)) >> 15U) + gnext1; - gnext2 = __SSAT(gnext2, 16); - - gnext1 = (q31_t) ((fnext1 * (*pk++)) >> 15U) + gcurnt1; - gnext1 = __SSAT(gnext1, 16); - - /* Read g1(n-1), g3(n-1) .... from state */ - gcurnt1 = *px; - - /* save g1(n) in state buffer */ - *px++ = (q15_t) gnext4; - - /* Sample processing for K4, K8.... */ - /* Process first sample for 4th, 8th .. tap */ - /* f4(n) = f3(n) + K4 * g3(n-1) */ - fnext1 = (q31_t) ((gcurnt1 * (*pk)) >> 15U) + fcurnt1; - fnext1 = __SSAT(fnext1, 16); - - /* Process second sample for 4th, 8th .. tap */ - /* for sample 2 processing */ - fnext2 = (q31_t) ((gnext1 * (*pk)) >> 15U) + fcurnt2; - fnext2 = __SSAT(fnext2, 16); - - /* Process third sample for 4th, 8th .. tap */ - fnext3 = (q31_t) ((gnext2 * (*pk)) >> 15U) + fcurnt3; - fnext3 = __SSAT(fnext3, 16); - - /* Process fourth sample for 4th, 8th .. tap */ - fnext4 = (q31_t) ((gnext3 * (*pk)) >> 15U) + fcurnt4; - fnext4 = __SSAT(fnext4, 16); - - /* g4(n) = f3(n) * K4 + g3(n-1) */ - /* Calculation of state values for next stage */ - gnext4 = (q31_t) ((fcurnt4 * (*pk)) >> 15U) + gnext3; - gnext4 = __SSAT(gnext4, 16); - - gnext3 = (q31_t) ((fcurnt3 * (*pk)) >> 15U) + gnext2; - gnext3 = __SSAT(gnext3, 16); - - gnext2 = (q31_t) ((fcurnt2 * (*pk)) >> 15U) + gnext1; - gnext2 = __SSAT(gnext2, 16); - gnext1 = (q31_t) ((fcurnt1 * (*pk++)) >> 15U) + gcurnt1; - gnext1 = __SSAT(gnext1, 16); - - - /* Read g2(n-1), g4(n-1) .... from state */ - gcurnt1 = *px; - - /* save g4(n) in state buffer */ - *px++ = (q15_t) gnext4; - - /* Sample processing for K5, K9.... */ - /* Process first sample for 5th, 9th .. tap */ - /* f5(n) = f4(n) + K5 * g4(n-1) */ - fcurnt1 = (q31_t) ((gcurnt1 * (*pk)) >> 15U) + fnext1; - fcurnt1 = __SSAT(fcurnt1, 16); - - /* Process second sample for 5th, 9th .. tap */ - fcurnt2 = (q31_t) ((gnext1 * (*pk)) >> 15U) + fnext2; - fcurnt2 = __SSAT(fcurnt2, 16); - - /* Process third sample for 5th, 9th .. tap */ - fcurnt3 = (q31_t) ((gnext2 * (*pk)) >> 15U) + fnext3; - fcurnt3 = __SSAT(fcurnt3, 16); - - /* Process fourth sample for 5th, 9th .. tap */ - fcurnt4 = (q31_t) ((gnext3 * (*pk)) >> 15U) + fnext4; - fcurnt4 = __SSAT(fcurnt4, 16); - - /* Calculation of state values for next stage */ - /* g5(n) = f4(n) * K5 + g4(n-1) */ - gnext4 = (q31_t) ((fnext4 * (*pk)) >> 15U) + gnext3; - gnext4 = __SSAT(gnext4, 16); - gnext3 = (q31_t) ((fnext3 * (*pk)) >> 15U) + gnext2; - gnext3 = __SSAT(gnext3, 16); - gnext2 = (q31_t) ((fnext2 * (*pk)) >> 15U) + gnext1; - gnext2 = __SSAT(gnext2, 16); - gnext1 = (q31_t) ((fnext1 * (*pk++)) >> 15U) + gcurnt1; - gnext1 = __SSAT(gnext1, 16); - - stageCnt--; - } - - /* If the (filter length -1) is not a multiple of 4, compute the remaining filter taps */ - stageCnt = (numStages - 1U) % 0x4U; - - while (stageCnt > 0U) - { - gcurnt1 = *px; - - /* save g value in state buffer */ - *px++ = (q15_t) gnext4; - - /* Process four samples for last three taps here */ - fnext1 = (q31_t) ((gcurnt1 * (*pk)) >> 15U) + fcurnt1; - fnext1 = __SSAT(fnext1, 16); - fnext2 = (q31_t) ((gnext1 * (*pk)) >> 15U) + fcurnt2; - fnext2 = __SSAT(fnext2, 16); - - fnext3 = (q31_t) ((gnext2 * (*pk)) >> 15U) + fcurnt3; - fnext3 = __SSAT(fnext3, 16); - - fnext4 = (q31_t) ((gnext3 * (*pk)) >> 15U) + fcurnt4; - fnext4 = __SSAT(fnext4, 16); - - /* g1(n) = f0(n) * K1 + g0(n-1) */ - gnext4 = (q31_t) ((fcurnt4 * (*pk)) >> 15U) + gnext3; - gnext4 = __SSAT(gnext4, 16); - gnext3 = (q31_t) ((fcurnt3 * (*pk)) >> 15U) + gnext2; - gnext3 = __SSAT(gnext3, 16); - gnext2 = (q31_t) ((fcurnt2 * (*pk)) >> 15U) + gnext1; - gnext2 = __SSAT(gnext2, 16); - gnext1 = (q31_t) ((fcurnt1 * (*pk++)) >> 15U) + gcurnt1; - gnext1 = __SSAT(gnext1, 16); - - /* Update of f values for next coefficient set processing */ - fcurnt1 = fnext1; - fcurnt2 = fnext2; - fcurnt3 = fnext3; - fcurnt4 = fnext4; - - stageCnt--; - - } - - /* The results in the 4 accumulators, store in the destination buffer. */ - /* y(n) = fN(n) */ - -#ifndef ARM_MATH_BIG_ENDIAN - - *__SIMD32(pDst)++ = __PKHBT(fcurnt1, fcurnt2, 16); - *__SIMD32(pDst)++ = __PKHBT(fcurnt3, fcurnt4, 16); - -#else - - *__SIMD32(pDst)++ = __PKHBT(fcurnt2, fcurnt1, 16); - *__SIMD32(pDst)++ = __PKHBT(fcurnt4, fcurnt3, 16); - -#endif /* #ifndef ARM_MATH_BIG_ENDIAN */ - - blkCnt--; - } - - /* If the blockSize is not a multiple of 4, compute any remaining output samples here. - ** No loop unrolling is used. */ - blkCnt = blockSize % 0x4U; - - while (blkCnt > 0U) - { - /* f0(n) = x(n) */ - fcurnt1 = *pSrc++; - - /* Initialize coeff pointer */ - pk = (pCoeffs); - - /* Initialize state pointer */ - px = pState; - - /* read g2(n) from state buffer */ - gcurnt1 = *px; - - /* for sample 1 processing */ - /* f1(n) = f0(n) + K1 * g0(n-1) */ - fnext1 = (((q31_t) gcurnt1 * (*pk)) >> 15U) + fcurnt1; - fnext1 = __SSAT(fnext1, 16); - - - /* g1(n) = f0(n) * K1 + g0(n-1) */ - gnext1 = (((q31_t) fcurnt1 * (*pk++)) >> 15U) + gcurnt1; - gnext1 = __SSAT(gnext1, 16); - - /* save g1(n) in state buffer */ - *px++ = (q15_t) fcurnt1; - - /* f1(n) is saved in fcurnt1 - for next stage processing */ - fcurnt1 = fnext1; - - stageCnt = (numStages - 1U); - - /* stage loop */ - while (stageCnt > 0U) - { - /* read g2(n) from state buffer */ - gcurnt1 = *px; - - /* save g1(n) in state buffer */ - *px++ = (q15_t) gnext1; - - /* Sample processing for K2, K3.... */ - /* f2(n) = f1(n) + K2 * g1(n-1) */ - fnext1 = (((q31_t) gcurnt1 * (*pk)) >> 15U) + fcurnt1; - fnext1 = __SSAT(fnext1, 16); - - /* g2(n) = f1(n) * K2 + g1(n-1) */ - gnext1 = (((q31_t) fcurnt1 * (*pk++)) >> 15U) + gcurnt1; - gnext1 = __SSAT(gnext1, 16); - - - /* f1(n) is saved in fcurnt1 - for next stage processing */ - fcurnt1 = fnext1; - - stageCnt--; - - } - - /* y(n) = fN(n) */ - *pDst++ = __SSAT(fcurnt1, 16); - - - blkCnt--; - - } - -#else - - /* Run the below code for Cortex-M0 */ - - q31_t fcurnt, fnext, gcurnt, gnext; /* temporary variables */ - uint32_t numStages = S->numStages; /* Length of the filter */ - uint32_t blkCnt, stageCnt; /* temporary variables for counts */ - - pState = &S->pState[0]; - - blkCnt = blockSize; - - while (blkCnt > 0U) - { - /* f0(n) = x(n) */ - fcurnt = *pSrc++; - - /* Initialize coeff pointer */ - pk = (pCoeffs); - - /* Initialize state pointer */ - px = pState; - - /* read g0(n-1) from state buffer */ - gcurnt = *px; - - /* for sample 1 processing */ - /* f1(n) = f0(n) + K1 * g0(n-1) */ - fnext = ((gcurnt * (*pk)) >> 15U) + fcurnt; - fnext = __SSAT(fnext, 16); - - - /* g1(n) = f0(n) * K1 + g0(n-1) */ - gnext = ((fcurnt * (*pk++)) >> 15U) + gcurnt; - gnext = __SSAT(gnext, 16); - - /* save f0(n) in state buffer */ - *px++ = (q15_t) fcurnt; - - /* f1(n) is saved in fcurnt - for next stage processing */ - fcurnt = fnext; - - stageCnt = (numStages - 1U); - - /* stage loop */ - while (stageCnt > 0U) - { - /* read g1(n-1) from state buffer */ - gcurnt = *px; - - /* save g0(n-1) in state buffer */ - *px++ = (q15_t) gnext; - - /* Sample processing for K2, K3.... */ - /* f2(n) = f1(n) + K2 * g1(n-1) */ - fnext = ((gcurnt * (*pk)) >> 15U) + fcurnt; - fnext = __SSAT(fnext, 16); - - /* g2(n) = f1(n) * K2 + g1(n-1) */ - gnext = ((fcurnt * (*pk++)) >> 15U) + gcurnt; - gnext = __SSAT(gnext, 16); - - - /* f1(n) is saved in fcurnt - for next stage processing */ - fcurnt = fnext; - - stageCnt--; - - } - - /* y(n) = fN(n) */ - *pDst++ = __SSAT(fcurnt, 16); - - - blkCnt--; - - } - -#endif /* #if defined (ARM_MATH_DSP) */ - -} - -/** - * @} end of FIR_Lattice group - */ -- cgit