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| author | JanHenrik <janhenrik@janhenrik.org> | 2020-04-01 00:40:03 +0200 |
|---|---|---|
| committer | JanHenrik <janhenrik@janhenrik.org> | 2020-04-01 00:40:03 +0200 |
| commit | f7de54fc6fa6b40dfa2dfbe4c2a8ee933affa126 (patch) | |
| tree | 78465e38a01011dc9f17eb73416011310532017f /cdc-dials/Drivers/CMSIS/DSP/Source/SupportFunctions/arm_copy_q31.c | |
| parent | 3ec13d81e70e52246545c720abe756ccf09fb231 (diff) | |
| download | minikbd-f7de54fc6fa6b40dfa2dfbe4c2a8ee933affa126.tar.gz minikbd-f7de54fc6fa6b40dfa2dfbe4c2a8ee933affa126.tar.bz2 minikbd-f7de54fc6fa6b40dfa2dfbe4c2a8ee933affa126.zip | |
added files
Diffstat (limited to 'cdc-dials/Drivers/CMSIS/DSP/Source/SupportFunctions/arm_copy_q31.c')
| -rw-r--r-- | cdc-dials/Drivers/CMSIS/DSP/Source/SupportFunctions/arm_copy_q31.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/cdc-dials/Drivers/CMSIS/DSP/Source/SupportFunctions/arm_copy_q31.c b/cdc-dials/Drivers/CMSIS/DSP/Source/SupportFunctions/arm_copy_q31.c new file mode 100644 index 0000000..b0bdd05 --- /dev/null +++ b/cdc-dials/Drivers/CMSIS/DSP/Source/SupportFunctions/arm_copy_q31.c @@ -0,0 +1,111 @@ +/* ----------------------------------------------------------------------
+ * Project: CMSIS DSP Library
+ * Title: arm_copy_q31.c
+ * Description: Copies the elements of a Q31 vector
+ *
+ * $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 groupSupport
+ */
+
+/**
+ * @addtogroup copy
+ * @{
+ */
+
+/**
+ * @brief Copies the elements of a Q31 vector.
+ * @param[in] *pSrc points to input vector
+ * @param[out] *pDst points to output vector
+ * @param[in] blockSize length of the input vector
+ * @return none.
+ *
+ */
+
+void arm_copy_q31(
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize)
+{
+ uint32_t blkCnt; /* loop counter */
+
+
+#if defined (ARM_MATH_DSP)
+
+ /* Run the below code for Cortex-M4 and Cortex-M3 */
+ q31_t in1, in2, in3, in4;
+
+ /*loop Unrolling */
+ 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)
+ {
+ /* C = A */
+ /* Copy and then store the values in the destination buffer */
+ in1 = *pSrc++;
+ in2 = *pSrc++;
+ in3 = *pSrc++;
+ in4 = *pSrc++;
+
+ *pDst++ = in1;
+ *pDst++ = in2;
+ *pDst++ = in3;
+ *pDst++ = in4;
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+
+ /* If the blockSize is not a multiple of 4, compute any remaining output samples here.
+ ** No loop unrolling is used. */
+ blkCnt = blockSize % 0x4U;
+
+#else
+
+ /* Run the below code for Cortex-M0 */
+
+ /* Loop over blockSize number of values */
+ blkCnt = blockSize;
+
+#endif /* #if defined (ARM_MATH_DSP) */
+
+ while (blkCnt > 0U)
+ {
+ /* C = A */
+ /* Copy and then store the value in the destination buffer */
+ *pDst++ = *pSrc++;
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+}
+
+/**
+ * @} end of BasicCopy group
+ */
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