initial commit

1 files changed, 130 insertions, 0 deletions

diff --git a/Drivers/CMSIS/DSP/Source/SupportFunctions/arm_copy_f16.c b/Drivers/CMSIS/DSP/Source/SupportFunctions/arm_copy_f16.c
new file mode 100644
index 0000000..d441332
--- /dev/null
+++ b/Drivers/CMSIS/DSP/Source/SupportFunctions/arm_copy_f16.c
@@ -0,0 +1,130 @@
+/* ----------------------------------------------------------------------
+ * Project:      CMSIS DSP Library
+ * Title:        arm_copy_f16.c
+ * Description:  Copies the elements of a floating-point vector
+ *
+ * $Date:        23 April 2021
+ * $Revision:    V1.9.0
+ *
+ * Target Processor: Cortex-M and Cortex-A cores
+ * -------------------------------------------------------------------- */
+/*
+ * Copyright (C) 2010-2021 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 "dsp/support_functions_f16.h"
+
+#if defined(ARM_FLOAT16_SUPPORTED)
+
+
+/**
+  @ingroup groupSupport
+ */
+
+
+/**
+  @addtogroup copy
+  @{
+ */
+
+/**
+  @brief         Copies the elements of a f16 vector.
+  @param[in]     pSrc       points to input vector
+  @param[out]    pDst       points to output vector
+  @param[in]     blockSize  number of samples in each vector
+  @return        none
+ */
+#if defined(ARM_MATH_MVE_FLOAT16) && !defined(ARM_MATH_AUTOVECTORIZE)
+
+void arm_copy_f16(
+  const float16_t * pSrc,
+  float16_t * pDst,
+  uint32_t blockSize)
+{
+    do {
+        mve_pred16_t    p = vctp16q(blockSize);
+
+        vstrhq_p_f16(pDst,
+        vldrhq_z_f16((float16_t const *) pSrc, p), p);
+        /*
+         * Decrement the blockSize loop counter
+         * Advance vector source and destination pointers
+         */
+        pSrc += 8;
+        pDst += 8;
+        blockSize -= 8;
+    }
+    while ((int32_t) blockSize > 0);
+}
+
+#else
+
+void arm_copy_f16(
+  const float16_t * pSrc,
+        float16_t * pDst,
+        uint32_t blockSize)
+{
+  uint32_t blkCnt;                               /* Loop counter */
+
+#if defined (ARM_MATH_LOOPUNROLL)
+
+  /* Loop unrolling: Compute 4 outputs at a time */
+  blkCnt = blockSize >> 2U;
+
+  while (blkCnt > 0U)
+  {
+    /* C = A */
+
+    /* Copy and store result in destination buffer */
+    *pDst++ = *pSrc++;
+    *pDst++ = *pSrc++;
+    *pDst++ = *pSrc++;
+    *pDst++ = *pSrc++;
+
+    /* Decrement loop counter */
+    blkCnt--;
+  }
+
+  /* Loop unrolling: Compute remaining outputs */
+  blkCnt = blockSize % 0x4U;
+
+#else
+
+  /* Initialize blkCnt with number of samples */
+  blkCnt = blockSize;
+
+#endif /* #if defined (ARM_MATH_LOOPUNROLL) */
+
+  while (blkCnt > 0U)
+  {
+    /* C = A */
+
+    /* Copy and store result in destination buffer */
+    *pDst++ = *pSrc++;
+
+    /* Decrement loop counter */
+    blkCnt--;
+  }
+}
+#endif /* defined(ARM_MATH_MVEF) && !defined(ARM_MATH_AUTOVECTORIZE) */
+
+/**
+  @} end of BasicCopy group
+ */
+
+#endif /* #if defined(ARM_FLOAT16_SUPPORTED) */ 
+