summaryrefslogtreecommitdiff
path: root/fw/hid-dials/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_offset_q15.c
diff options
context:
space:
mode:
Diffstat (limited to 'fw/hid-dials/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_offset_q15.c')
-rw-r--r--fw/hid-dials/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_offset_q15.c124
1 files changed, 0 insertions, 124 deletions
diff --git a/fw/hid-dials/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_offset_q15.c b/fw/hid-dials/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_offset_q15.c
deleted file mode 100644
index 4c16224..0000000
--- a/fw/hid-dials/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_offset_q15.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/* ----------------------------------------------------------------------
- * Project: CMSIS DSP Library
- * Title: arm_offset_q15.c
- * Description: Q15 vector offset
- *
- * $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 groupMath
- */
-
-/**
- * @addtogroup offset
- * @{
- */
-
-/**
- * @brief Adds a constant offset to a Q15 vector.
- * @param[in] *pSrc points to the input vector
- * @param[in] offset is the offset to be added
- * @param[out] *pDst points to the output vector
- * @param[in] blockSize number of samples in the vector
- * @return none.
- *
- * <b>Scaling and Overflow Behavior:</b>
- * \par
- * The function uses saturating arithmetic.
- * Results outside of the allowable Q15 range [0x8000 0x7FFF] are saturated.
- */
-
-void arm_offset_q15(
- q15_t * pSrc,
- q15_t offset,
- q15_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 offset_packed; /* Offset packed to 32 bit */
-
-
- /*loop Unrolling */
- blkCnt = blockSize >> 2U;
-
- /* Offset is packed to 32 bit in order to use SIMD32 for addition */
- offset_packed = __PKHBT(offset, offset, 16);
-
- /* 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 + offset */
- /* Add offset and then store the results in the destination buffer, 2 samples at a time. */
- *__SIMD32(pDst)++ = __QADD16(*__SIMD32(pSrc)++, offset_packed);
- *__SIMD32(pDst)++ = __QADD16(*__SIMD32(pSrc)++, offset_packed);
-
- /* 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;
-
- while (blkCnt > 0U)
- {
- /* C = A + offset */
- /* Add offset and then store the results in the destination buffer. */
- *pDst++ = (q15_t) __QADD16(*pSrc++, offset);
-
- /* Decrement the loop counter */
- blkCnt--;
- }
-
-#else
-
- /* Run the below code for Cortex-M0 */
-
- /* Initialize blkCnt with number of samples */
- blkCnt = blockSize;
-
- while (blkCnt > 0U)
- {
- /* C = A + offset */
- /* Add offset and then store the results in the destination buffer. */
- *pDst++ = (q15_t) __SSAT(((q31_t) * pSrc++ + offset), 16);
-
- /* Decrement the loop counter */
- blkCnt--;
- }
-
-#endif /* #if defined (ARM_MATH_DSP) */
-
-}
-
-/**
- * @} end of offset group
- */