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/StatisticsFunctions/arm_min_q7.c | 163 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 163 insertions(+), 0 deletions(-)
diff --git a/mcu_sdk/gd32f103/rk_eFire/Board/CMSIS/DSP/Source/StatisticsFunctions/arm_min_q7.c b/mcu_sdk/gd32f103/rk_eFire/Board/CMSIS/DSP/Source/StatisticsFunctions/arm_min_q7.c
new file mode 100644
index 0000000..ac96603
--- /dev/null
+++ b/mcu_sdk/gd32f103/rk_eFire/Board/CMSIS/DSP/Source/StatisticsFunctions/arm_min_q7.c
@@ -0,0 +1,163 @@
+/* ----------------------------------------------------------------------
+ * Project: CMSIS DSP Library
+ * Title: arm_min_q7.c
+ * Description: Minimum value 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 groupStats
+ */
+
+
+/**
+ * @addtogroup Min
+ * @{
+ */
+
+
+/**
+ * @brief Minimum value of a Q7 vector.
+ * @param[in] *pSrc points to the input vector
+ * @param[in] blockSize length of the input vector
+ * @param[out] *pResult minimum value returned here
+ * @param[out] *pIndex index of minimum value returned here
+ * @return none.
+ */
+
+void arm_min_q7(
+ q7_t * pSrc,
+ uint32_t blockSize,
+ q7_t * pResult,
+ uint32_t * pIndex)
+{
+#if defined (ARM_MATH_DSP)
+ /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+ q7_t minVal1, minVal2, out; /* Temporary variables to store the output value. */
+ uint32_t blkCnt, outIndex, count; /* loop counter */
+
+ /* Initialise the count value. */
+ count = 0U;
+ /* Initialise the index value to zero. */
+ outIndex = 0U;
+ /* Load first input value that act as reference value for comparision */
+ out = *pSrc++;
+
+ /* Loop unrolling */
+ blkCnt = (blockSize - 1U) >> 2U;
+
+ while (blkCnt > 0U)
+ {
+ /* Initialize minVal to the next consecutive values one by one */
+ minVal1 = *pSrc++;
+ minVal2 = *pSrc++;
+
+ /* compare for the minimum value */
+ if (out > minVal1)
+ {
+ /* Update the minimum value and its index */
+ out = minVal1;
+ outIndex = count + 1U;
+ }
+
+ /* compare for the minimum value */
+ if (out > minVal2)
+ {
+ /* Update the minimum value and its index */
+ out = minVal2;
+ outIndex = count + 2U;
+ }
+
+ /* Initialize minVal to the next consecutive values one by one */
+ minVal1 = *pSrc++;
+ minVal2 = *pSrc++;
+
+ /* compare for the minimum value */
+ if (out > minVal1)
+ {
+ /* Update the minimum value and its index */
+ out = minVal1;
+ outIndex = count + 3U;
+ }
+
+ /* compare for the minimum value */
+ if (out > minVal2)
+ {
+ /* Update the minimum value and its index */
+ out = minVal2;
+ outIndex = count + 4U;
+ }
+
+ count += 4U;
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+
+ /* if (blockSize - 1U) is not multiple of 4 */
+ blkCnt = (blockSize - 1U) % 4U;
+
+#else
+ /* Run the below code for Cortex-M0 */
+
+ q7_t minVal1, out; /* Temporary variables to store the output value. */
+ uint32_t blkCnt, outIndex; /* loop counter */
+
+ /* Initialise the index value to zero. */
+ outIndex = 0U;
+ /* Load first input value that act as reference value for comparision */
+ out = *pSrc++;
+
+ blkCnt = (blockSize - 1U);
+
+#endif /* #if defined (ARM_MATH_DSP) */
+
+ while (blkCnt > 0U)
+ {
+ /* Initialize minVal to the next consecutive values one by one */
+ minVal1 = *pSrc++;
+
+ /* compare for the minimum value */
+ if (out > minVal1)
+ {
+ /* Update the minimum value and it's index */
+ out = minVal1;
+ outIndex = blockSize - blkCnt;
+ }
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+
+ /* Store the minimum value and it's index into destination pointers */
+ *pResult = out;
+ *pIndex = outIndex;
+}
+
+/**
+ * @} end of Min group
+ */
--
Gitblit v1.9.1