From a81fc41c3eb99e8fc52aa734ee63e13c937aab81 Mon Sep 17 00:00:00 2001 From: JanHenrik Date: Sun, 19 Jan 2020 00:56:37 +0100 Subject: added blink example --- .../DSP/Source/MatrixFunctions/arm_mat_trans_q31.c | 198 +++++++++++++++++++++ 1 file changed, 198 insertions(+) create mode 100644 Blink/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_trans_q31.c (limited to 'Blink/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_trans_q31.c') diff --git a/Blink/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_trans_q31.c b/Blink/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_trans_q31.c new file mode 100644 index 0000000..9f94938 --- /dev/null +++ b/Blink/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_trans_q31.c @@ -0,0 +1,198 @@ +/* ---------------------------------------------------------------------- + * Project: CMSIS DSP Library + * Title: arm_mat_trans_q31.c + * Description: Q31 matrix transpose + * + * $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 groupMatrix + */ + +/** + * @addtogroup MatrixTrans + * @{ + */ + +/* + * @brief Q31 matrix transpose. + * @param[in] *pSrc points to the input matrix + * @param[out] *pDst points to the output matrix + * @return The function returns either ARM_MATH_SIZE_MISMATCH + * or ARM_MATH_SUCCESS based on the outcome of size checking. + */ + +arm_status arm_mat_trans_q31( + const arm_matrix_instance_q31 * pSrc, + arm_matrix_instance_q31 * pDst) +{ + q31_t *pIn = pSrc->pData; /* input data matrix pointer */ + q31_t *pOut = pDst->pData; /* output data matrix pointer */ + q31_t *px; /* Temporary output data matrix pointer */ + uint16_t nRows = pSrc->numRows; /* number of nRows */ + uint16_t nColumns = pSrc->numCols; /* number of nColumns */ + +#if defined (ARM_MATH_DSP) + + /* Run the below code for Cortex-M4 and Cortex-M3 */ + + uint16_t blkCnt, i = 0U, row = nRows; /* loop counters */ + arm_status status; /* status of matrix transpose */ + + +#ifdef ARM_MATH_MATRIX_CHECK + + + /* Check for matrix mismatch condition */ + if ((pSrc->numRows != pDst->numCols) || (pSrc->numCols != pDst->numRows)) + { + /* Set status as ARM_MATH_SIZE_MISMATCH */ + status = ARM_MATH_SIZE_MISMATCH; + } + else +#endif /* #ifdef ARM_MATH_MATRIX_CHECK */ + + { + /* Matrix transpose by exchanging the rows with columns */ + /* row loop */ + do + { + /* Apply loop unrolling and exchange the columns with row elements */ + blkCnt = nColumns >> 2U; + + /* The pointer px is set to starting address of the column being processed */ + px = pOut + i; + + /* 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 and store the input element in the destination */ + *px = *pIn++; + + /* Update the pointer px to point to the next row of the transposed matrix */ + px += nRows; + + /* Read and store the input element in the destination */ + *px = *pIn++; + + /* Update the pointer px to point to the next row of the transposed matrix */ + px += nRows; + + /* Read and store the input element in the destination */ + *px = *pIn++; + + /* Update the pointer px to point to the next row of the transposed matrix */ + px += nRows; + + /* Read and store the input element in the destination */ + *px = *pIn++; + + /* Update the pointer px to point to the next row of the transposed matrix */ + px += nRows; + + /* Decrement the column loop counter */ + blkCnt--; + } + + /* Perform matrix transpose for last 3 samples here. */ + blkCnt = nColumns % 0x4U; + + while (blkCnt > 0U) + { + /* Read and store the input element in the destination */ + *px = *pIn++; + + /* Update the pointer px to point to the next row of the transposed matrix */ + px += nRows; + + /* Decrement the column loop counter */ + blkCnt--; + } + +#else + + /* Run the below code for Cortex-M0 */ + + uint16_t col, i = 0U, row = nRows; /* loop counters */ + arm_status status; /* status of matrix transpose */ + + +#ifdef ARM_MATH_MATRIX_CHECK + + /* Check for matrix mismatch condition */ + if ((pSrc->numRows != pDst->numCols) || (pSrc->numCols != pDst->numRows)) + { + /* Set status as ARM_MATH_SIZE_MISMATCH */ + status = ARM_MATH_SIZE_MISMATCH; + } + else +#endif /* #ifdef ARM_MATH_MATRIX_CHECK */ + + { + /* Matrix transpose by exchanging the rows with columns */ + /* row loop */ + do + { + /* The pointer px is set to starting address of the column being processed */ + px = pOut + i; + + /* Initialize column loop counter */ + col = nColumns; + + while (col > 0U) + { + /* Read and store the input element in the destination */ + *px = *pIn++; + + /* Update the pointer px to point to the next row of the transposed matrix */ + px += nRows; + + /* Decrement the column loop counter */ + col--; + } + +#endif /* #if defined (ARM_MATH_DSP) */ + + i++; + + /* Decrement the row loop counter */ + row--; + + } + while (row > 0U); /* row loop end */ + + /* set status as ARM_MATH_SUCCESS */ + status = ARM_MATH_SUCCESS; + } + + /* Return to application */ + return (status); +} + +/** + * @} end of MatrixTrans group + */ -- cgit