From aa38e5c1f48e31213ee349aa5cd6f06c85bda70d Mon Sep 17 00:00:00 2001
From: android <android@lingyun.com>
Date: Tue, 25 Jun 2024 21:49:39 +0800
Subject: [PATCH] Add GD32F103RCT6 ADC converter board SDK source code
---
mcu_sdk/gd32f103/rk_eFire/Board/CMSIS/DSP/Source/ComplexMathFunctions/arm_cmplx_conj_q15.c | 149 +++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 149 insertions(+), 0 deletions(-)
diff --git a/mcu_sdk/gd32f103/rk_eFire/Board/CMSIS/DSP/Source/ComplexMathFunctions/arm_cmplx_conj_q15.c b/mcu_sdk/gd32f103/rk_eFire/Board/CMSIS/DSP/Source/ComplexMathFunctions/arm_cmplx_conj_q15.c
new file mode 100644
index 0000000..1e371bd
--- /dev/null
+++ b/mcu_sdk/gd32f103/rk_eFire/Board/CMSIS/DSP/Source/ComplexMathFunctions/arm_cmplx_conj_q15.c
@@ -0,0 +1,149 @@
+/* ----------------------------------------------------------------------
+ * Project: CMSIS DSP Library
+ * Title: arm_cmplx_conj_q15.c
+ * Description: Q15 complex conjugate
+ *
+ * $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 groupCmplxMath
+ */
+
+/**
+ * @addtogroup cmplx_conj
+ * @{
+ */
+
+/**
+ * @brief Q15 complex conjugate.
+ * @param *pSrc points to the input vector
+ * @param *pDst points to the output vector
+ * @param numSamples number of complex samples in each vector
+ * @return none.
+ *
+ * <b>Scaling and Overflow Behavior:</b>
+ * \par
+ * The function uses saturating arithmetic.
+ * The Q15 value -1 (0x8000) will be saturated to the maximum allowable positive value 0x7FFF.
+ */
+
+void arm_cmplx_conj_q15(
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t numSamples)
+{
+
+#if defined (ARM_MATH_DSP)
+
+ /* Run the below code for Cortex-M4 and Cortex-M3 */
+ uint32_t blkCnt; /* loop counter */
+ q31_t in1, in2, in3, in4;
+ q31_t zero = 0;
+
+ /*loop Unrolling */
+ blkCnt = numSamples >> 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[0]+jC[1] = A[0]+ j (-1) A[1] */
+ /* Calculate Complex Conjugate and then store the results in the destination buffer. */
+ in1 = *__SIMD32(pSrc)++;
+ in2 = *__SIMD32(pSrc)++;
+ in3 = *__SIMD32(pSrc)++;
+ in4 = *__SIMD32(pSrc)++;
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+ in1 = __QASX(zero, in1);
+ in2 = __QASX(zero, in2);
+ in3 = __QASX(zero, in3);
+ in4 = __QASX(zero, in4);
+
+#else
+
+ in1 = __QSAX(zero, in1);
+ in2 = __QSAX(zero, in2);
+ in3 = __QSAX(zero, in3);
+ in4 = __QSAX(zero, in4);
+
+#endif /* #ifndef ARM_MATH_BIG_ENDIAN */
+
+ in1 = ((uint32_t) in1 >> 16) | ((uint32_t) in1 << 16);
+ in2 = ((uint32_t) in2 >> 16) | ((uint32_t) in2 << 16);
+ in3 = ((uint32_t) in3 >> 16) | ((uint32_t) in3 << 16);
+ in4 = ((uint32_t) in4 >> 16) | ((uint32_t) in4 << 16);
+
+ *__SIMD32(pDst)++ = in1;
+ *__SIMD32(pDst)++ = in2;
+ *__SIMD32(pDst)++ = in3;
+ *__SIMD32(pDst)++ = in4;
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+
+ /* If the numSamples is not a multiple of 4, compute any remaining output samples here.
+ ** No loop unrolling is used. */
+ blkCnt = numSamples % 0x4U;
+
+ while (blkCnt > 0U)
+ {
+ /* C[0]+jC[1] = A[0]+ j (-1) A[1] */
+ /* Calculate Complex Conjugate and then store the results in the destination buffer. */
+ *pDst++ = *pSrc++;
+ *pDst++ = __SSAT(-*pSrc++, 16);
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+
+#else
+
+ q15_t in;
+
+ /* Run the below code for Cortex-M0 */
+
+ while (numSamples > 0U)
+ {
+ /* realOut + j (imagOut) = realIn+ j (-1) imagIn */
+ /* Calculate Complex Conjugate and then store the results in the destination buffer. */
+ *pDst++ = *pSrc++;
+ in = *pSrc++;
+ *pDst++ = (in == (q15_t) 0x8000) ? 0x7fff : -in;
+
+ /* Decrement the loop counter */
+ numSamples--;
+ }
+
+#endif /* #if defined (ARM_MATH_DSP) */
+
+}
+
+/**
+ * @} end of cmplx_conj group
+ */
--
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