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authorAli Labbene <ali.labbene@st.com>2019-12-11 08:59:21 +0100
committerAli Labbene <ali.labbene@st.com>2019-12-16 16:35:24 +0100
commit9f95ff5b6ba01db09552b84a0ab79607060a2666 (patch)
tree8a6e0dda832555c692307869aed49d07ee7facfe /DSP/Source/SupportFunctions
parent76177aa280494bb36d7a0bcbda1078d4db717020 (diff)
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Official ARM version: v5.4.0
Add CMSIS V5.4.0, please refer to index.html available under \docs folder. Note: content of \CMSIS\Core\Include has been copied under \Include to keep the same structure used in existing projects, and thus avoid projects mass update Note: the following components have been removed from ARM original delivery (as not used in ST packages) - CMSIS_EW2018.pdf - .gitattributes - .gitignore - \Device - \CMSIS - \CoreValidation - \DAP - \Documentation - \DoxyGen - \Driver - \Pack - \RTOS\CMSIS_RTOS_Tutorial.pdf - \RTOS\RTX - \RTOS\Template - \RTOS2\RTX - \Utilities - All ARM/GCC projects files are deleted from \DSP, \RTOS and \RTOS2 Change-Id: Ia026c3f0f0d016627a4fb5a9032852c33d24b4d3
Diffstat (limited to 'DSP/Source/SupportFunctions')
-rw-r--r--DSP/Source/SupportFunctions/arm_copy_f32.c123
-rw-r--r--DSP/Source/SupportFunctions/arm_copy_q15.c102
-rw-r--r--DSP/Source/SupportFunctions/arm_copy_q31.c111
-rw-r--r--DSP/Source/SupportFunctions/arm_copy_q7.c103
-rw-r--r--DSP/Source/SupportFunctions/arm_fill_f32.c122
-rw-r--r--DSP/Source/SupportFunctions/arm_fill_q15.c108
-rw-r--r--DSP/Source/SupportFunctions/arm_fill_q31.c109
-rw-r--r--DSP/Source/SupportFunctions/arm_fill_q7.c106
-rw-r--r--DSP/Source/SupportFunctions/arm_float_to_q15.c192
-rw-r--r--DSP/Source/SupportFunctions/arm_float_to_q31.c199
-rw-r--r--DSP/Source/SupportFunctions/arm_float_to_q7.c191
-rw-r--r--DSP/Source/SupportFunctions/arm_q15_to_float.c122
-rw-r--r--DSP/Source/SupportFunctions/arm_q15_to_q31.c144
-rw-r--r--DSP/Source/SupportFunctions/arm_q15_to_q7.c142
-rw-r--r--DSP/Source/SupportFunctions/arm_q31_to_float.c119
-rw-r--r--DSP/Source/SupportFunctions/arm_q31_to_q15.c133
-rw-r--r--DSP/Source/SupportFunctions/arm_q31_to_q7.c124
-rw-r--r--DSP/Source/SupportFunctions/arm_q7_to_float.c119
-rw-r--r--DSP/Source/SupportFunctions/arm_q7_to_q15.c145
-rw-r--r--DSP/Source/SupportFunctions/arm_q7_to_q31.c130
20 files changed, 2644 insertions, 0 deletions
diff --git a/DSP/Source/SupportFunctions/arm_copy_f32.c b/DSP/Source/SupportFunctions/arm_copy_f32.c
new file mode 100644
index 0000000..1e2b5cf
--- /dev/null
+++ b/DSP/Source/SupportFunctions/arm_copy_f32.c
@@ -0,0 +1,123 @@
+/* ----------------------------------------------------------------------
+ * Project: CMSIS DSP Library
+ * Title: arm_copy_f32.c
+ * Description: Copies the elements of a floating-point 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
+ */
+
+/**
+ * @defgroup copy Vector Copy
+ *
+ * Copies sample by sample from source vector to destination vector.
+ *
+ * <pre>
+ * pDst[n] = pSrc[n]; 0 <= n < blockSize.
+ * </pre>
+ *
+ * There are separate functions for floating point, Q31, Q15, and Q7 data types.
+ */
+
+/**
+ * @addtogroup copy
+ * @{
+ */
+
+/**
+ * @brief Copies the elements of a floating-point 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_f32(
+ float32_t * pSrc,
+ float32_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 */
+ float32_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 results 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 results in the destination buffer */
+ *pDst++ = *pSrc++;
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+}
+
+/**
+ * @} end of BasicCopy group
+ */
diff --git a/DSP/Source/SupportFunctions/arm_copy_q15.c b/DSP/Source/SupportFunctions/arm_copy_q15.c
new file mode 100644
index 0000000..0d2fffb
--- /dev/null
+++ b/DSP/Source/SupportFunctions/arm_copy_q15.c
@@ -0,0 +1,102 @@
+/* ----------------------------------------------------------------------
+ * Project: CMSIS DSP Library
+ * Title: arm_copy_q15.c
+ * Description: Copies the elements of a Q15 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 Q15 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_q15(
+ q15_t * pSrc,
+ 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 */
+
+ /*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 */
+ /* Read two inputs */
+ *__SIMD32(pDst)++ = *__SIMD32(pSrc)++;
+ *__SIMD32(pDst)++ = *__SIMD32(pSrc)++;
+
+ /* 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
+ */
diff --git a/DSP/Source/SupportFunctions/arm_copy_q31.c b/DSP/Source/SupportFunctions/arm_copy_q31.c
new file mode 100644
index 0000000..5bf8934
--- /dev/null
+++ b/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
+ */
diff --git a/DSP/Source/SupportFunctions/arm_copy_q7.c b/DSP/Source/SupportFunctions/arm_copy_q7.c
new file mode 100644
index 0000000..5c737cd
--- /dev/null
+++ b/DSP/Source/SupportFunctions/arm_copy_q7.c
@@ -0,0 +1,103 @@
+/* ----------------------------------------------------------------------
+ * Project: CMSIS DSP Library
+ * Title: arm_copy_q7.c
+ * Description: Copies the elements of a Q7 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 Q7 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_q7(
+ q7_t * pSrc,
+ q7_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 */
+
+ /*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 results in the destination buffer */
+ /* 4 samples are copied and stored at a time using SIMD */
+ *__SIMD32(pDst)++ = *__SIMD32(pSrc)++;
+
+ /* 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 results in the destination buffer */
+ *pDst++ = *pSrc++;
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+}
+
+/**
+ * @} end of BasicCopy group
+ */
diff --git a/DSP/Source/SupportFunctions/arm_fill_f32.c b/DSP/Source/SupportFunctions/arm_fill_f32.c
new file mode 100644
index 0000000..be749c8
--- /dev/null
+++ b/DSP/Source/SupportFunctions/arm_fill_f32.c
@@ -0,0 +1,122 @@
+/* ----------------------------------------------------------------------
+ * Project: CMSIS DSP Library
+ * Title: arm_fill_f32.c
+ * Description: Fills a constant value into a floating-point 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
+ */
+
+/**
+ * @defgroup Fill Vector Fill
+ *
+ * Fills the destination vector with a constant value.
+ *
+ * <pre>
+ * pDst[n] = value; 0 <= n < blockSize.
+ * </pre>
+ *
+ * There are separate functions for floating point, Q31, Q15, and Q7 data types.
+ */
+
+/**
+ * @addtogroup Fill
+ * @{
+ */
+
+/**
+ * @brief Fills a constant value into a floating-point vector.
+ * @param[in] value input value to be filled
+ * @param[out] *pDst points to output vector
+ * @param[in] blockSize length of the output vector
+ * @return none.
+ *
+ */
+
+
+void arm_fill_f32(
+ float32_t value,
+ float32_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 */
+ float32_t in1 = value;
+ float32_t in2 = value;
+ float32_t in3 = value;
+ float32_t in4 = value;
+
+ /*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 = value */
+ /* Fill the value in the destination buffer */
+ *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 = value */
+ /* Fill the value in the destination buffer */
+ *pDst++ = value;
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+}
+
+/**
+ * @} end of Fill group
+ */
diff --git a/DSP/Source/SupportFunctions/arm_fill_q15.c b/DSP/Source/SupportFunctions/arm_fill_q15.c
new file mode 100644
index 0000000..27eb42c
--- /dev/null
+++ b/DSP/Source/SupportFunctions/arm_fill_q15.c
@@ -0,0 +1,108 @@
+/* ----------------------------------------------------------------------
+ * Project: CMSIS DSP Library
+ * Title: arm_fill_q15.c
+ * Description: Fills a constant value into a Q15 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 Fill
+ * @{
+ */
+
+/**
+ * @brief Fills a constant value into a Q15 vector.
+ * @param[in] value input value to be filled
+ * @param[out] *pDst points to output vector
+ * @param[in] blockSize length of the output vector
+ * @return none.
+ *
+ */
+
+void arm_fill_q15(
+ q15_t value,
+ 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 packedValue; /* value packed to 32 bits */
+
+
+ /*loop Unrolling */
+ blkCnt = blockSize >> 2U;
+
+ /* Packing two 16 bit values to 32 bit value in order to use SIMD */
+ packedValue = __PKHBT(value, value, 16U);
+
+ /* 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 = value */
+ /* Fill the value in the destination buffer */
+ *__SIMD32(pDst)++ = packedValue;
+ *__SIMD32(pDst)++ = packedValue;
+
+ /* 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 = value */
+ /* Fill the value in the destination buffer */
+ *pDst++ = value;
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+}
+
+/**
+ * @} end of Fill group
+ */
diff --git a/DSP/Source/SupportFunctions/arm_fill_q31.c b/DSP/Source/SupportFunctions/arm_fill_q31.c
new file mode 100644
index 0000000..397a7b5
--- /dev/null
+++ b/DSP/Source/SupportFunctions/arm_fill_q31.c
@@ -0,0 +1,109 @@
+/* ----------------------------------------------------------------------
+ * Project: CMSIS DSP Library
+ * Title: arm_fill_q31.c
+ * Description: Fills a constant value into 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 Fill
+ * @{
+ */
+
+/**
+ * @brief Fills a constant value into a Q31 vector.
+ * @param[in] value input value to be filled
+ * @param[out] *pDst points to output vector
+ * @param[in] blockSize length of the output vector
+ * @return none.
+ *
+ */
+
+void arm_fill_q31(
+ q31_t value,
+ 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 = value;
+ q31_t in2 = value;
+ q31_t in3 = value;
+ q31_t in4 = value;
+
+ /*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 = value */
+ /* Fill the value in the destination buffer */
+ *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 = value */
+ /* Fill the value in the destination buffer */
+ *pDst++ = value;
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+}
+
+/**
+ * @} end of Fill group
+ */
diff --git a/DSP/Source/SupportFunctions/arm_fill_q7.c b/DSP/Source/SupportFunctions/arm_fill_q7.c
new file mode 100644
index 0000000..dffdf97
--- /dev/null
+++ b/DSP/Source/SupportFunctions/arm_fill_q7.c
@@ -0,0 +1,106 @@
+/* ----------------------------------------------------------------------
+ * Project: CMSIS DSP Library
+ * Title: arm_fill_q7.c
+ * Description: Fills a constant value into a Q7 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 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 length of the output vector
+ * @return none.
+ *
+ */
+
+void arm_fill_q7(
+ q7_t value,
+ q7_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 packedValue; /* value packed to 32 bits */
+
+ /*loop Unrolling */
+ blkCnt = blockSize >> 2U;
+
+ /* Packing four 8 bit values to 32 bit value in order to use SIMD */
+ packedValue = __PACKq7(value, value, value, value);
+
+ /* 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 = value */
+ /* Fill the value in the destination buffer */
+ *__SIMD32(pDst)++ = packedValue;
+
+ /* 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 = value */
+ /* Fill the value in the destination buffer */
+ *pDst++ = value;
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+}
+
+/**
+ * @} end of Fill group
+ */
diff --git a/DSP/Source/SupportFunctions/arm_float_to_q15.c b/DSP/Source/SupportFunctions/arm_float_to_q15.c
new file mode 100644
index 0000000..0aa20f1
--- /dev/null
+++ b/DSP/Source/SupportFunctions/arm_float_to_q15.c
@@ -0,0 +1,192 @@
+/* ----------------------------------------------------------------------
+ * Project: CMSIS DSP Library
+ * Title: arm_float_to_q15.c
+ * Description: Converts the elements of the floating-point vector to Q15 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 float_to_x
+ * @{
+ */
+
+/**
+ * @brief Converts the elements of the floating-point vector to Q15 vector.
+ * @param[in] *pSrc points to the floating-point input vector
+ * @param[out] *pDst points to the Q15 output vector
+ * @param[in] blockSize length of the input vector
+ * @return none.
+ *
+ * \par Description:
+ * \par
+ * The equation used for the conversion process is:
+ * <pre>
+ * pDst[n] = (q15_t)(pSrc[n] * 32768); 0 <= n < blockSize.
+ * </pre>
+ * \par Scaling and Overflow Behavior:
+ * \par
+ * The function uses saturating arithmetic.
+ * Results outside of the allowable Q15 range [0x8000 0x7FFF] will be saturated.
+ * \note
+ * In order to apply rounding, the library should be rebuilt with the ROUNDING macro
+ * defined in the preprocessor section of project options.
+ *
+ */
+
+
+void arm_float_to_q15(
+ float32_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize)
+{
+ float32_t *pIn = pSrc; /* Src pointer */
+ uint32_t blkCnt; /* loop counter */
+
+#ifdef ARM_MATH_ROUNDING
+
+ float32_t in;
+
+#endif /* #ifdef ARM_MATH_ROUNDING */
+
+#if defined (ARM_MATH_DSP)
+
+ /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+ /*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)
+ {
+
+#ifdef ARM_MATH_ROUNDING
+ /* C = A * 32768 */
+ /* convert from float to q15 and then store the results in the destination buffer */
+ in = *pIn++;
+ in = (in * 32768.0f);
+ in += in > 0.0f ? 0.5f : -0.5f;
+ *pDst++ = (q15_t) (__SSAT((q31_t) (in), 16));
+
+ in = *pIn++;
+ in = (in * 32768.0f);
+ in += in > 0.0f ? 0.5f : -0.5f;
+ *pDst++ = (q15_t) (__SSAT((q31_t) (in), 16));
+
+ in = *pIn++;
+ in = (in * 32768.0f);
+ in += in > 0.0f ? 0.5f : -0.5f;
+ *pDst++ = (q15_t) (__SSAT((q31_t) (in), 16));
+
+ in = *pIn++;
+ in = (in * 32768.0f);
+ in += in > 0.0f ? 0.5f : -0.5f;
+ *pDst++ = (q15_t) (__SSAT((q31_t) (in), 16));
+
+#else
+
+ /* C = A * 32768 */
+ /* convert from float to q15 and then store the results in the destination buffer */
+ *pDst++ = (q15_t) __SSAT((q31_t) (*pIn++ * 32768.0f), 16);
+ *pDst++ = (q15_t) __SSAT((q31_t) (*pIn++ * 32768.0f), 16);
+ *pDst++ = (q15_t) __SSAT((q31_t) (*pIn++ * 32768.0f), 16);
+ *pDst++ = (q15_t) __SSAT((q31_t) (*pIn++ * 32768.0f), 16);
+
+#endif /* #ifdef ARM_MATH_ROUNDING */
+
+ /* 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)
+ {
+
+#ifdef ARM_MATH_ROUNDING
+ /* C = A * 32768 */
+ /* convert from float to q15 and then store the results in the destination buffer */
+ in = *pIn++;
+ in = (in * 32768.0f);
+ in += in > 0.0f ? 0.5f : -0.5f;
+ *pDst++ = (q15_t) (__SSAT((q31_t) (in), 16));
+
+#else
+
+ /* C = A * 32768 */
+ /* convert from float to q15 and then store the results in the destination buffer */
+ *pDst++ = (q15_t) __SSAT((q31_t) (*pIn++ * 32768.0f), 16);
+
+#endif /* #ifdef ARM_MATH_ROUNDING */
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+
+
+#else
+
+ /* Run the below code for Cortex-M0 */
+
+ /* Loop over blockSize number of values */
+ blkCnt = blockSize;
+
+ while (blkCnt > 0U)
+ {
+
+#ifdef ARM_MATH_ROUNDING
+ /* C = A * 32768 */
+ /* convert from float to q15 and then store the results in the destination buffer */
+ in = *pIn++;
+ in = (in * 32768.0f);
+ in += in > 0 ? 0.5f : -0.5f;
+ *pDst++ = (q15_t) (__SSAT((q31_t) (in), 16));
+
+#else
+
+ /* C = A * 32768 */
+ /* convert from float to q15 and then store the results in the destination buffer */
+ *pDst++ = (q15_t) __SSAT((q31_t) (*pIn++ * 32768.0f), 16);
+
+#endif /* #ifdef ARM_MATH_ROUNDING */
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+
+#endif /* #if defined (ARM_MATH_DSP) */
+
+}
+
+/**
+ * @} end of float_to_x group
+ */
diff --git a/DSP/Source/SupportFunctions/arm_float_to_q31.c b/DSP/Source/SupportFunctions/arm_float_to_q31.c
new file mode 100644
index 0000000..d17cc3a
--- /dev/null
+++ b/DSP/Source/SupportFunctions/arm_float_to_q31.c
@@ -0,0 +1,199 @@
+/* ----------------------------------------------------------------------
+ * Project: CMSIS DSP Library
+ * Title: arm_float_to_q31.c
+ * Description: Converts the elements of the floating-point vector to 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
+ */
+
+/**
+ * @defgroup float_to_x Convert 32-bit floating point value
+ */
+
+/**
+ * @addtogroup float_to_x
+ * @{
+ */
+
+/**
+ * @brief Converts the elements of the floating-point vector to Q31 vector.
+ * @param[in] *pSrc points to the floating-point input vector
+ * @param[out] *pDst points to the Q31 output vector
+ * @param[in] blockSize length of the input vector
+ * @return none.
+ *
+ *\par Description:
+ * \par
+ * The equation used for the conversion process is:
+ *
+ * <pre>
+ * pDst[n] = (q31_t)(pSrc[n] * 2147483648); 0 <= n < blockSize.
+ * </pre>
+ * <b>Scaling and Overflow Behavior:</b>
+ * \par
+ * The function uses saturating arithmetic.
+ * Results outside of the allowable Q31 range[0x80000000 0x7FFFFFFF] will be saturated.
+ *
+ * \note In order to apply rounding, the library should be rebuilt with the ROUNDING macro
+ * defined in the preprocessor section of project options.
+ */
+
+
+void arm_float_to_q31(
+ float32_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize)
+{
+ float32_t *pIn = pSrc; /* Src pointer */
+ uint32_t blkCnt; /* loop counter */
+
+#ifdef ARM_MATH_ROUNDING
+
+ float32_t in;
+
+#endif /* #ifdef ARM_MATH_ROUNDING */
+
+#if defined (ARM_MATH_DSP)
+
+ /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+ /*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)
+ {
+
+#ifdef ARM_MATH_ROUNDING
+
+ /* C = A * 32768 */
+ /* convert from float to Q31 and then store the results in the destination buffer */
+ in = *pIn++;
+ in = (in * 2147483648.0f);
+ in += in > 0.0f ? 0.5f : -0.5f;
+ *pDst++ = clip_q63_to_q31((q63_t) (in));
+
+ in = *pIn++;
+ in = (in * 2147483648.0f);
+ in += in > 0.0f ? 0.5f : -0.5f;
+ *pDst++ = clip_q63_to_q31((q63_t) (in));
+
+ in = *pIn++;
+ in = (in * 2147483648.0f);
+ in += in > 0.0f ? 0.5f : -0.5f;
+ *pDst++ = clip_q63_to_q31((q63_t) (in));
+
+ in = *pIn++;
+ in = (in * 2147483648.0f);
+ in += in > 0.0f ? 0.5f : -0.5f;
+ *pDst++ = clip_q63_to_q31((q63_t) (in));
+
+#else
+
+ /* C = A * 2147483648 */
+ /* convert from float to Q31 and then store the results in the destination buffer */
+ *pDst++ = clip_q63_to_q31((q63_t) (*pIn++ * 2147483648.0f));
+ *pDst++ = clip_q63_to_q31((q63_t) (*pIn++ * 2147483648.0f));
+ *pDst++ = clip_q63_to_q31((q63_t) (*pIn++ * 2147483648.0f));
+ *pDst++ = clip_q63_to_q31((q63_t) (*pIn++ * 2147483648.0f));
+
+#endif /* #ifdef ARM_MATH_ROUNDING */
+
+ /* 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)
+ {
+
+#ifdef ARM_MATH_ROUNDING
+
+ /* C = A * 2147483648 */
+ /* convert from float to Q31 and then store the results in the destination buffer */
+ in = *pIn++;
+ in = (in * 2147483648.0f);
+ in += in > 0.0f ? 0.5f : -0.5f;
+ *pDst++ = clip_q63_to_q31((q63_t) (in));
+
+#else
+
+ /* C = A * 2147483648 */
+ /* convert from float to Q31 and then store the results in the destination buffer */
+ *pDst++ = clip_q63_to_q31((q63_t) (*pIn++ * 2147483648.0f));
+
+#endif /* #ifdef ARM_MATH_ROUNDING */
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+
+
+#else
+
+ /* Run the below code for Cortex-M0 */
+
+ /* Loop over blockSize number of values */
+ blkCnt = blockSize;
+
+ while (blkCnt > 0U)
+ {
+
+#ifdef ARM_MATH_ROUNDING
+
+ /* C = A * 2147483648 */
+ /* convert from float to Q31 and then store the results in the destination buffer */
+ in = *pIn++;
+ in = (in * 2147483648.0f);
+ in += in > 0 ? 0.5f : -0.5f;
+ *pDst++ = clip_q63_to_q31((q63_t) (in));
+
+#else
+
+ /* C = A * 2147483648 */
+ /* convert from float to Q31 and then store the results in the destination buffer */
+ *pDst++ = clip_q63_to_q31((q63_t) (*pIn++ * 2147483648.0f));
+
+#endif /* #ifdef ARM_MATH_ROUNDING */
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+
+#endif /* #if defined (ARM_MATH_DSP) */
+
+}
+
+/**
+ * @} end of float_to_x group
+ */
diff --git a/DSP/Source/SupportFunctions/arm_float_to_q7.c b/DSP/Source/SupportFunctions/arm_float_to_q7.c
new file mode 100644
index 0000000..6629a69
--- /dev/null
+++ b/DSP/Source/SupportFunctions/arm_float_to_q7.c
@@ -0,0 +1,191 @@
+/* ----------------------------------------------------------------------
+ * Project: CMSIS DSP Library
+ * Title: arm_float_to_q7.c
+ * Description: Converts the elements of the floating-point vector to Q7 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 float_to_x
+ * @{
+ */
+
+/**
+ * @brief Converts the elements of the floating-point vector to Q7 vector.
+ * @param[in] *pSrc points to the floating-point input vector
+ * @param[out] *pDst points to the Q7 output vector
+ * @param[in] blockSize length of the input vector
+ * @return none.
+ *
+ *\par Description:
+ * \par
+ * The equation used for the conversion process is:
+ * <pre>
+ * pDst[n] = (q7_t)(pSrc[n] * 128); 0 <= n < blockSize.
+ * </pre>
+ * \par Scaling and Overflow Behavior:
+ * \par
+ * The function uses saturating arithmetic.
+ * Results outside of the allowable Q7 range [0x80 0x7F] will be saturated.
+ * \note
+ * In order to apply rounding, the library should be rebuilt with the ROUNDING macro
+ * defined in the preprocessor section of project options.
+ */
+
+
+void arm_float_to_q7(
+ float32_t * pSrc,
+ q7_t * pDst,
+ uint32_t blockSize)
+{
+ float32_t *pIn = pSrc; /* Src pointer */
+ uint32_t blkCnt; /* loop counter */
+
+#ifdef ARM_MATH_ROUNDING
+
+ float32_t in;
+
+#endif /* #ifdef ARM_MATH_ROUNDING */
+
+#if defined (ARM_MATH_DSP)
+
+ /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+ /*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)
+ {
+
+#ifdef ARM_MATH_ROUNDING
+ /* C = A * 128 */
+ /* convert from float to q7 and then store the results in the destination buffer */
+ in = *pIn++;
+ in = (in * 128);
+ in += in > 0.0f ? 0.5f : -0.5f;
+ *pDst++ = (q7_t) (__SSAT((q15_t) (in), 8));
+
+ in = *pIn++;
+ in = (in * 128);
+ in += in > 0.0f ? 0.5f : -0.5f;
+ *pDst++ = (q7_t) (__SSAT((q15_t) (in), 8));
+
+ in = *pIn++;
+ in = (in * 128);
+ in += in > 0.0f ? 0.5f : -0.5f;
+ *pDst++ = (q7_t) (__SSAT((q15_t) (in), 8));
+
+ in = *pIn++;
+ in = (in * 128);
+ in += in > 0.0f ? 0.5f : -0.5f;
+ *pDst++ = (q7_t) (__SSAT((q15_t) (in), 8));
+
+#else
+
+ /* C = A * 128 */
+ /* convert from float to q7 and then store the results in the destination buffer */
+ *pDst++ = __SSAT((q31_t) (*pIn++ * 128.0f), 8);
+ *pDst++ = __SSAT((q31_t) (*pIn++ * 128.0f), 8);
+ *pDst++ = __SSAT((q31_t) (*pIn++ * 128.0f), 8);
+ *pDst++ = __SSAT((q31_t) (*pIn++ * 128.0f), 8);
+
+#endif /* #ifdef ARM_MATH_ROUNDING */
+
+ /* 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)
+ {
+
+#ifdef ARM_MATH_ROUNDING
+ /* C = A * 128 */
+ /* convert from float to q7 and then store the results in the destination buffer */
+ in = *pIn++;
+ in = (in * 128);
+ in += in > 0.0f ? 0.5f : -0.5f;
+ *pDst++ = (q7_t) (__SSAT((q15_t) (in), 8));
+
+#else
+
+ /* C = A * 128 */
+ /* convert from float to q7 and then store the results in the destination buffer */
+ *pDst++ = __SSAT((q31_t) (*pIn++ * 128.0f), 8);
+
+#endif /* #ifdef ARM_MATH_ROUNDING */
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+
+
+#else
+
+ /* Run the below code for Cortex-M0 */
+
+
+ /* Loop over blockSize number of values */
+ blkCnt = blockSize;
+
+ while (blkCnt > 0U)
+ {
+#ifdef ARM_MATH_ROUNDING
+ /* C = A * 128 */
+ /* convert from float to q7 and then store the results in the destination buffer */
+ in = *pIn++;
+ in = (in * 128.0f);
+ in += in > 0 ? 0.5f : -0.5f;
+ *pDst++ = (q7_t) (__SSAT((q31_t) (in), 8));
+
+#else
+
+ /* C = A * 128 */
+ /* convert from float to q7 and then store the results in the destination buffer */
+ *pDst++ = (q7_t) __SSAT((q31_t) (*pIn++ * 128.0f), 8);
+
+#endif /* #ifdef ARM_MATH_ROUNDING */
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+
+#endif /* #if defined (ARM_MATH_DSP) */
+
+}
+
+/**
+ * @} end of float_to_x group
+ */
diff --git a/DSP/Source/SupportFunctions/arm_q15_to_float.c b/DSP/Source/SupportFunctions/arm_q15_to_float.c
new file mode 100644
index 0000000..48ef947
--- /dev/null
+++ b/DSP/Source/SupportFunctions/arm_q15_to_float.c
@@ -0,0 +1,122 @@
+/* ----------------------------------------------------------------------
+ * Project: CMSIS DSP Library
+ * Title: arm_q15_to_float.c
+ * Description: Converts the elements of the Q15 vector to floating-point 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
+ */
+
+/**
+ * @defgroup q15_to_x Convert 16-bit Integer value
+ */
+
+/**
+ * @addtogroup q15_to_x
+ * @{
+ */
+
+
+
+
+/**
+ * @brief Converts the elements of the Q15 vector to floating-point vector.
+ * @param[in] *pSrc points to the Q15 input vector
+ * @param[out] *pDst points to the floating-point output vector
+ * @param[in] blockSize length of the input vector
+ * @return none.
+ *
+ * \par Description:
+ *
+ * The equation used for the conversion process is:
+ *
+ * <pre>
+ * pDst[n] = (float32_t) pSrc[n] / 32768; 0 <= n < blockSize.
+ * </pre>
+ *
+ */
+
+
+void arm_q15_to_float(
+ q15_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize)
+{
+ q15_t *pIn = pSrc; /* Src pointer */
+ uint32_t blkCnt; /* loop counter */
+
+
+#if defined (ARM_MATH_DSP)
+
+ /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+ /*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 = (float32_t) A / 32768 */
+ /* convert from q15 to float and then store the results in the destination buffer */
+ *pDst++ = ((float32_t) * pIn++ / 32768.0f);
+ *pDst++ = ((float32_t) * pIn++ / 32768.0f);
+ *pDst++ = ((float32_t) * pIn++ / 32768.0f);
+ *pDst++ = ((float32_t) * pIn++ / 32768.0f);
+
+ /* 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 = (float32_t) A / 32768 */
+ /* convert from q15 to float and then store the results in the destination buffer */
+ *pDst++ = ((float32_t) * pIn++ / 32768.0f);
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+}
+
+/**
+ * @} end of q15_to_x group
+ */
diff --git a/DSP/Source/SupportFunctions/arm_q15_to_q31.c b/DSP/Source/SupportFunctions/arm_q15_to_q31.c
new file mode 100644
index 0000000..bf139a8
--- /dev/null
+++ b/DSP/Source/SupportFunctions/arm_q15_to_q31.c
@@ -0,0 +1,144 @@
+/* ----------------------------------------------------------------------
+ * Project: CMSIS DSP Library
+ * Title: arm_q15_to_q31.c
+ * Description: Converts the elements of the Q15 vector to 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 q15_to_x
+ * @{
+ */
+
+/**
+ * @brief Converts the elements of the Q15 vector to Q31 vector.
+ * @param[in] *pSrc points to the Q15 input vector
+ * @param[out] *pDst points to the Q31 output vector
+ * @param[in] blockSize length of the input vector
+ * @return none.
+ *
+ * \par Description:
+ *
+ * The equation used for the conversion process is:
+ *
+ * <pre>
+ * pDst[n] = (q31_t) pSrc[n] << 16; 0 <= n < blockSize.
+ * </pre>
+ *
+ */
+
+
+void arm_q15_to_q31(
+ q15_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize)
+{
+ q15_t *pIn = pSrc; /* Src pointer */
+ uint32_t blkCnt; /* loop counter */
+
+#if defined (ARM_MATH_DSP)
+
+ /* Run the below code for Cortex-M4 and Cortex-M3 */
+ q31_t in1, in2;
+ q31_t out1, out2, out3, out4;
+
+ /*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 = (q31_t)A << 16 */
+ /* convert from q15 to q31 and then store the results in the destination buffer */
+ in1 = *__SIMD32(pIn)++;
+ in2 = *__SIMD32(pIn)++;
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+ /* extract lower 16 bits to 32 bit result */
+ out1 = in1 << 16U;
+ /* extract upper 16 bits to 32 bit result */
+ out2 = in1 & 0xFFFF0000;
+ /* extract lower 16 bits to 32 bit result */
+ out3 = in2 << 16U;
+ /* extract upper 16 bits to 32 bit result */
+ out4 = in2 & 0xFFFF0000;
+
+#else
+
+ /* extract upper 16 bits to 32 bit result */
+ out1 = in1 & 0xFFFF0000;
+ /* extract lower 16 bits to 32 bit result */
+ out2 = in1 << 16U;
+ /* extract upper 16 bits to 32 bit result */
+ out3 = in2 & 0xFFFF0000;
+ /* extract lower 16 bits to 32 bit result */
+ out4 = in2 << 16U;
+
+#endif // #ifndef ARM_MATH_BIG_ENDIAN
+
+ *pDst++ = out1;
+ *pDst++ = out2;
+ *pDst++ = out3;
+ *pDst++ = out4;
+
+ /* 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 = (q31_t)A << 16 */
+ /* convert from q15 to q31 and then store the results in the destination buffer */
+ *pDst++ = (q31_t) * pIn++ << 16;
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+
+}
+
+/**
+ * @} end of q15_to_x group
+ */
diff --git a/DSP/Source/SupportFunctions/arm_q15_to_q7.c b/DSP/Source/SupportFunctions/arm_q15_to_q7.c
new file mode 100644
index 0000000..7a45e58
--- /dev/null
+++ b/DSP/Source/SupportFunctions/arm_q15_to_q7.c
@@ -0,0 +1,142 @@
+/* ----------------------------------------------------------------------
+ * Project: CMSIS DSP Library
+ * Title: arm_q15_to_q7.c
+ * Description: Converts the elements of the Q15 vector to Q7 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 q15_to_x
+ * @{
+ */
+
+
+/**
+ * @brief Converts the elements of the Q15 vector to Q7 vector.
+ * @param[in] *pSrc points to the Q15 input vector
+ * @param[out] *pDst points to the Q7 output vector
+ * @param[in] blockSize length of the input vector
+ * @return none.
+ *
+ * \par Description:
+ *
+ * The equation used for the conversion process is:
+ *
+ * <pre>
+ * pDst[n] = (q7_t) pSrc[n] >> 8; 0 <= n < blockSize.
+ * </pre>
+ *
+ */
+
+
+void arm_q15_to_q7(
+ q15_t * pSrc,
+ q7_t * pDst,
+ uint32_t blockSize)
+{
+ q15_t *pIn = pSrc; /* Src pointer */
+ uint32_t blkCnt; /* loop counter */
+
+#if defined (ARM_MATH_DSP)
+
+ /* Run the below code for Cortex-M4 and Cortex-M3 */
+ q31_t in1, in2;
+ q31_t out1, out2;
+
+ /*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 = (q7_t) A >> 8 */
+ /* convert from q15 to q7 and then store the results in the destination buffer */
+ in1 = *__SIMD32(pIn)++;
+ in2 = *__SIMD32(pIn)++;
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+ out1 = __PKHTB(in2, in1, 16);
+ out2 = __PKHBT(in2, in1, 16);
+
+#else
+
+ out1 = __PKHTB(in1, in2, 16);
+ out2 = __PKHBT(in1, in2, 16);
+
+#endif // #ifndef ARM_MATH_BIG_ENDIAN
+
+ /* rotate packed value by 24 */
+ out2 = ((uint32_t) out2 << 8) | ((uint32_t) out2 >> 24);
+
+ /* anding with 0xff00ff00 to get two 8 bit values */
+ out1 = out1 & 0xFF00FF00;
+ /* anding with 0x00ff00ff to get two 8 bit values */
+ out2 = out2 & 0x00FF00FF;
+
+ /* oring two values(contains two 8 bit values) to get four packed 8 bit values */
+ out1 = out1 | out2;
+
+ /* store 4 samples at a time to destiantion buffer */
+ *__SIMD32(pDst)++ = out1;
+
+ /* 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 = (q7_t) A >> 8 */
+ /* convert from q15 to q7 and then store the results in the destination buffer */
+ *pDst++ = (q7_t) (*pIn++ >> 8);
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+
+}
+
+/**
+ * @} end of q15_to_x group
+ */
diff --git a/DSP/Source/SupportFunctions/arm_q31_to_float.c b/DSP/Source/SupportFunctions/arm_q31_to_float.c
new file mode 100644
index 0000000..d2d7505
--- /dev/null
+++ b/DSP/Source/SupportFunctions/arm_q31_to_float.c
@@ -0,0 +1,119 @@
+/* ----------------------------------------------------------------------
+ * Project: CMSIS DSP Library
+ * Title: arm_q31_to_float.c
+ * Description: Converts the elements of the Q31 vector to floating-point 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
+ */
+
+/**
+ * @defgroup q31_to_x Convert 32-bit Integer value
+ */
+
+/**
+ * @addtogroup q31_to_x
+ * @{
+ */
+
+/**
+ * @brief Converts the elements of the Q31 vector to floating-point vector.
+ * @param[in] *pSrc points to the Q31 input vector
+ * @param[out] *pDst points to the floating-point output vector
+ * @param[in] blockSize length of the input vector
+ * @return none.
+ *
+ * \par Description:
+ *
+ * The equation used for the conversion process is:
+ *
+ * <pre>
+ * pDst[n] = (float32_t) pSrc[n] / 2147483648; 0 <= n < blockSize.
+ * </pre>
+ *
+ */
+
+
+void arm_q31_to_float(
+ q31_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize)
+{
+ q31_t *pIn = pSrc; /* Src pointer */
+ uint32_t blkCnt; /* loop counter */
+
+
+#if defined (ARM_MATH_DSP)
+
+ /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+ /*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 = (float32_t) A / 2147483648 */
+ /* convert from q31 to float and then store the results in the destination buffer */
+ *pDst++ = ((float32_t) * pIn++ / 2147483648.0f);
+ *pDst++ = ((float32_t) * pIn++ / 2147483648.0f);
+ *pDst++ = ((float32_t) * pIn++ / 2147483648.0f);
+ *pDst++ = ((float32_t) * pIn++ / 2147483648.0f);
+
+ /* 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 = (float32_t) A / 2147483648 */
+ /* convert from q31 to float and then store the results in the destination buffer */
+ *pDst++ = ((float32_t) * pIn++ / 2147483648.0f);
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+}
+
+/**
+ * @} end of q31_to_x group
+ */
diff --git a/DSP/Source/SupportFunctions/arm_q31_to_q15.c b/DSP/Source/SupportFunctions/arm_q31_to_q15.c
new file mode 100644
index 0000000..c460fe7
--- /dev/null
+++ b/DSP/Source/SupportFunctions/arm_q31_to_q15.c
@@ -0,0 +1,133 @@
+/* ----------------------------------------------------------------------
+ * Project: CMSIS DSP Library
+ * Title: arm_q31_to_q15.c
+ * Description: Converts the elements of the Q31 vector to Q15 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 q31_to_x
+ * @{
+ */
+
+/**
+ * @brief Converts the elements of the Q31 vector to Q15 vector.
+ * @param[in] *pSrc points to the Q31 input vector
+ * @param[out] *pDst points to the Q15 output vector
+ * @param[in] blockSize length of the input vector
+ * @return none.
+ *
+ * \par Description:
+ *
+ * The equation used for the conversion process is:
+ *
+ * <pre>
+ * pDst[n] = (q15_t) pSrc[n] >> 16; 0 <= n < blockSize.
+ * </pre>
+ *
+ */
+
+
+void arm_q31_to_q15(
+ q31_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize)
+{
+ q31_t *pIn = pSrc; /* Src pointer */
+ 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;
+ q31_t out1, out2;
+
+ /*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 = (q15_t) A >> 16 */
+ /* convert from q31 to q15 and then store the results in the destination buffer */
+ in1 = *pIn++;
+ in2 = *pIn++;
+ in3 = *pIn++;
+ in4 = *pIn++;
+
+ /* pack two higher 16-bit values from two 32-bit values */
+#ifndef ARM_MATH_BIG_ENDIAN
+
+ out1 = __PKHTB(in2, in1, 16);
+ out2 = __PKHTB(in4, in3, 16);
+
+#else
+
+ out1 = __PKHTB(in1, in2, 16);
+ out2 = __PKHTB(in3, in4, 16);
+
+#endif // #ifdef ARM_MATH_BIG_ENDIAN
+
+ *__SIMD32(pDst)++ = out1;
+ *__SIMD32(pDst)++ = out2;
+
+ /* 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 = (q15_t) A >> 16 */
+ /* convert from q31 to q15 and then store the results in the destination buffer */
+ *pDst++ = (q15_t) (*pIn++ >> 16);
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+
+}
+
+/**
+ * @} end of q31_to_x group
+ */
diff --git a/DSP/Source/SupportFunctions/arm_q31_to_q7.c b/DSP/Source/SupportFunctions/arm_q31_to_q7.c
new file mode 100644
index 0000000..f092bed
--- /dev/null
+++ b/DSP/Source/SupportFunctions/arm_q31_to_q7.c
@@ -0,0 +1,124 @@
+/* ----------------------------------------------------------------------
+ * Project: CMSIS DSP Library
+ * Title: arm_q31_to_q7.c
+ * Description: Converts the elements of the Q31 vector to Q7 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 q31_to_x
+ * @{
+ */
+
+/**
+ * @brief Converts the elements of the Q31 vector to Q7 vector.
+ * @param[in] *pSrc points to the Q31 input vector
+ * @param[out] *pDst points to the Q7 output vector
+ * @param[in] blockSize length of the input vector
+ * @return none.
+ *
+ * \par Description:
+ *
+ * The equation used for the conversion process is:
+ *
+ * <pre>
+ * pDst[n] = (q7_t) pSrc[n] >> 24; 0 <= n < blockSize.
+ * </pre>
+ *
+ */
+
+
+void arm_q31_to_q7(
+ q31_t * pSrc,
+ q7_t * pDst,
+ uint32_t blockSize)
+{
+ q31_t *pIn = pSrc; /* Src pointer */
+ 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;
+ q7_t out1, out2, out3, out4;
+
+ /*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 = (q7_t) A >> 24 */
+ /* convert from q31 to q7 and then store the results in the destination buffer */
+ in1 = *pIn++;
+ in2 = *pIn++;
+ in3 = *pIn++;
+ in4 = *pIn++;
+
+ out1 = (q7_t) (in1 >> 24);
+ out2 = (q7_t) (in2 >> 24);
+ out3 = (q7_t) (in3 >> 24);
+ out4 = (q7_t) (in4 >> 24);
+
+ *__SIMD32(pDst)++ = __PACKq7(out1, out2, out3, out4);
+
+ /* 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 = (q7_t) A >> 24 */
+ /* convert from q31 to q7 and then store the results in the destination buffer */
+ *pDst++ = (q7_t) (*pIn++ >> 24);
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+
+}
+
+/**
+ * @} end of q31_to_x group
+ */
diff --git a/DSP/Source/SupportFunctions/arm_q7_to_float.c b/DSP/Source/SupportFunctions/arm_q7_to_float.c
new file mode 100644
index 0000000..ace437f
--- /dev/null
+++ b/DSP/Source/SupportFunctions/arm_q7_to_float.c
@@ -0,0 +1,119 @@
+/* ----------------------------------------------------------------------
+ * Project: CMSIS DSP Library
+ * Title: arm_q7_to_float.c
+ * Description: Converts the elements of the Q7 vector to floating-point 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
+ */
+
+/**
+ * @defgroup q7_to_x Convert 8-bit Integer value
+ */
+
+/**
+ * @addtogroup q7_to_x
+ * @{
+ */
+
+/**
+ * @brief Converts the elements of the Q7 vector to floating-point vector.
+ * @param[in] *pSrc points to the Q7 input vector
+ * @param[out] *pDst points to the floating-point output vector
+ * @param[in] blockSize length of the input vector
+ * @return none.
+ *
+ * \par Description:
+ *
+ * The equation used for the conversion process is:
+ *
+ * <pre>
+ * pDst[n] = (float32_t) pSrc[n] / 128; 0 <= n < blockSize.
+ * </pre>
+ *
+ */
+
+
+void arm_q7_to_float(
+ q7_t * pSrc,
+ float32_t * pDst,
+ uint32_t blockSize)
+{
+ q7_t *pIn = pSrc; /* Src pointer */
+ uint32_t blkCnt; /* loop counter */
+
+
+#if defined (ARM_MATH_DSP)
+
+ /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+ /*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 = (float32_t) A / 128 */
+ /* convert from q7 to float and then store the results in the destination buffer */
+ *pDst++ = ((float32_t) * pIn++ / 128.0f);
+ *pDst++ = ((float32_t) * pIn++ / 128.0f);
+ *pDst++ = ((float32_t) * pIn++ / 128.0f);
+ *pDst++ = ((float32_t) * pIn++ / 128.0f);
+
+ /* 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 = (float32_t) A / 128 */
+ /* convert from q7 to float and then store the results in the destination buffer */
+ *pDst++ = ((float32_t) * pIn++ / 128.0f);
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+}
+
+/**
+ * @} end of q7_to_x group
+ */
diff --git a/DSP/Source/SupportFunctions/arm_q7_to_q15.c b/DSP/Source/SupportFunctions/arm_q7_to_q15.c
new file mode 100644
index 0000000..5348194
--- /dev/null
+++ b/DSP/Source/SupportFunctions/arm_q7_to_q15.c
@@ -0,0 +1,145 @@
+/* ----------------------------------------------------------------------
+ * Project: CMSIS DSP Library
+ * Title: arm_q7_to_q15.c
+ * Description: Converts the elements of the Q7 vector to Q15 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 q7_to_x
+ * @{
+ */
+
+
+
+
+/**
+ * @brief Converts the elements of the Q7 vector to Q15 vector.
+ * @param[in] *pSrc points to the Q7 input vector
+ * @param[out] *pDst points to the Q15 output vector
+ * @param[in] blockSize length of the input vector
+ * @return none.
+ *
+ * \par Description:
+ *
+ * The equation used for the conversion process is:
+ *
+ * <pre>
+ * pDst[n] = (q15_t) pSrc[n] << 8; 0 <= n < blockSize.
+ * </pre>
+ *
+ */
+
+
+void arm_q7_to_q15(
+ q7_t * pSrc,
+ q15_t * pDst,
+ uint32_t blockSize)
+{
+ q7_t *pIn = pSrc; /* Src pointer */
+ uint32_t blkCnt; /* loop counter */
+
+#if defined (ARM_MATH_DSP)
+ q31_t in;
+ q31_t in1, in2;
+ q31_t out1, out2;
+
+ /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+ /*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 = (q15_t) A << 8 */
+ /* convert from q7 to q15 and then store the results in the destination buffer */
+ in = *__SIMD32(pIn)++;
+
+ /* rotatate in by 8 and extend two q7_t values to q15_t values */
+ in1 = __SXTB16(__ROR(in, 8));
+
+ /* extend remainig two q7_t values to q15_t values */
+ in2 = __SXTB16(in);
+
+ in1 = in1 << 8U;
+ in2 = in2 << 8U;
+
+ in1 = in1 & 0xFF00FF00;
+ in2 = in2 & 0xFF00FF00;
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+ out2 = __PKHTB(in1, in2, 16);
+ out1 = __PKHBT(in2, in1, 16);
+
+#else
+
+ out1 = __PKHTB(in1, in2, 16);
+ out2 = __PKHBT(in2, in1, 16);
+
+#endif
+
+ *__SIMD32(pDst)++ = out1;
+ *__SIMD32(pDst)++ = out2;
+
+ /* 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 = (q15_t) A << 8 */
+ /* convert from q7 to q15 and then store the results in the destination buffer */
+ *pDst++ = (q15_t) * pIn++ << 8;
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+
+}
+
+/**
+ * @} end of q7_to_x group
+ */
diff --git a/DSP/Source/SupportFunctions/arm_q7_to_q31.c b/DSP/Source/SupportFunctions/arm_q7_to_q31.c
new file mode 100644
index 0000000..27d0952
--- /dev/null
+++ b/DSP/Source/SupportFunctions/arm_q7_to_q31.c
@@ -0,0 +1,130 @@
+/* ----------------------------------------------------------------------
+ * Project: CMSIS DSP Library
+ * Title: arm_q7_to_q31.c
+ * Description: Converts the elements of the Q7 vector to 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 q7_to_x
+ * @{
+ */
+
+/**
+ * @brief Converts the elements of the Q7 vector to Q31 vector.
+ * @param[in] *pSrc points to the Q7 input vector
+ * @param[out] *pDst points to the Q31 output vector
+ * @param[in] blockSize length of the input vector
+ * @return none.
+ *
+ * \par Description:
+ *
+ * The equation used for the conversion process is:
+ *
+ * <pre>
+ * pDst[n] = (q31_t) pSrc[n] << 24; 0 <= n < blockSize.
+ * </pre>
+ *
+ */
+
+
+void arm_q7_to_q31(
+ q7_t * pSrc,
+ q31_t * pDst,
+ uint32_t blockSize)
+{
+ q7_t *pIn = pSrc; /* Src pointer */
+ uint32_t blkCnt; /* loop counter */
+
+#if defined (ARM_MATH_DSP)
+
+ q31_t in;
+
+ /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+ /*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 = (q31_t) A << 24 */
+ /* convert from q7 to q31 and then store the results in the destination buffer */
+ in = *__SIMD32(pIn)++;
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+ *pDst++ = (__ROR(in, 8)) & 0xFF000000;
+ *pDst++ = (__ROR(in, 16)) & 0xFF000000;
+ *pDst++ = (__ROR(in, 24)) & 0xFF000000;
+ *pDst++ = (in & 0xFF000000);
+
+#else
+
+ *pDst++ = (in & 0xFF000000);
+ *pDst++ = (__ROR(in, 24)) & 0xFF000000;
+ *pDst++ = (__ROR(in, 16)) & 0xFF000000;
+ *pDst++ = (__ROR(in, 8)) & 0xFF000000;
+
+#endif // #ifndef ARM_MATH_BIG_ENDIAN
+
+ /* 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 = (q31_t) A << 24 */
+ /* convert from q7 to q31 and then store the results in the destination buffer */
+ *pDst++ = (q31_t) * pIn++ << 24;
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+
+}
+
+/**
+ * @} end of q7_to_x group
+ */