1 files changed, 133 insertions, 0 deletions
diff --git a/Drivers/CMSIS/DSP/Source/SupportFunctions/arm_fill_q7.c b/Drivers/CMSIS/DSP/Source/SupportFunctions/arm_fill_q7.c
new file mode 100644
index 0000000..830fc73
--- /dev/null
+++ b/Drivers/CMSIS/DSP/Source/SupportFunctions/arm_fill_q7.c
@@ -0,0 +1,133 @@
+/* ----------------------------------------------------------------------
+ * Project:      CMSIS DSP Library
+ * Title:        arm_fill_q7.c
+ * Description:  Fills a constant value into a Q7 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.h"
+
+/**
+  @ingroup groupSupport
+ */
+
+/**
+  @addtogroup Fill
+  @{
+ */
+
+/**
+  @brief         Fills a constant value into a Q7 vector.
+  @param[in]     value      input value to be filled
+  @param[out]    pDst       points to output vector
+  @param[in]     blockSize  number of samples in each vector
+  @return        none
+ */
+#if defined(ARM_MATH_MVEI) && !defined(ARM_MATH_AUTOVECTORIZE)
+void arm_fill_q7(
+  q7_t value,
+  q7_t * pDst,
+  uint32_t blockSize)
+{
+  uint32_t blkCnt; 
+
+  blkCnt = blockSize >> 4;
+  while (blkCnt > 0U)
+  {
+
+        vstrbq_s8(pDst,vdupq_n_s8(value));
+        /*
+         * Decrement the blockSize loop counter
+         * Advance vector source and destination pointers
+         */
+        pDst += 16;
+        blkCnt --;
+    }
+
+  blkCnt = blockSize & 0xF;
+  while (blkCnt > 0U)
+  {
+    /* C = value */
+
+    /* Fill value in destination buffer */
+    *pDst++ = value;
+
+    /* Decrement loop counter */
+    blkCnt--;
+  }
+}
+#else
+void arm_fill_q7(
+  q7_t value,
+  q7_t * pDst,
+  uint32_t blockSize)
+{
+  uint32_t blkCnt;                               /* Loop counter */
+
+#if defined (ARM_MATH_LOOPUNROLL)
+  q31_t packedValue;                             /* value packed to 32 bits */
+
+  /* Packing four 8 bit values to 32 bit value in order to use SIMD */
+  packedValue = __PACKq7(value, value, value, value);
+
+  /* Loop unrolling: Compute 4 outputs at a time */
+  blkCnt = blockSize >> 2U;
+
+  while (blkCnt > 0U)
+  {
+    /* C = value */
+
+    /* fill 4 samples at a time */
+    write_q7x4_ia (&pDst, packedValue);
+
+    /* 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 = value */
+
+    /* Fill value in destination buffer */
+    *pDst++ = value;
+
+    /* Decrement loop counter */
+    blkCnt--;
+  }
+}
+#endif /* defined(ARM_MATH_MVEI) */
+
+/**
+  @} end of Fill group
+ */