Trinity Devboard PCB V1.0 Firmware. FreeRTOS is setup and the MCU reads IMU data over SPI fand Magnetometer data over I2C, each with a seperate task. Sensordata is then run though MadgwickAHRS and send over USB as serial packet data to use in trinity visualizer. Bare minimum functionality works and is replicated from the first prototype.

2026-09-13 19:51:03 +02:00
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+/* ----------------------------------------------------------------------
+ * Project:      CMSIS DSP Library
+ * Title:        arm_copy_f32.c
+ * Description:  Copies the elements of a floating-point vector
+ *
+ * $Date:        18. March 2019
+ * $Revision:    V1.6.0
+ *
+ * Target Processor: Cortex-M cores
+ * -------------------------------------------------------------------- */
+/*
+ * Copyright (C) 2010-2019 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  number of samples in each vector
+  @return        none
+ */
+
+#if defined(ARM_MATH_NEON_EXPERIMENTAL)
+void arm_copy_f32(
+  const float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize)
+{
+  uint32_t blkCnt;                               /* loop counter */
+
+  float32x4_t inV;
+
+  blkCnt = blockSize >> 2U;
+
+  /* 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 */
+    inV = vld1q_f32(pSrc);
+    vst1q_f32(pDst, inV);
+    pSrc += 4;
+    pDst += 4;
+
+    /* 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 & 3;
+
+  while (blkCnt > 0U)
+  {
+    /* C = A */
+    /* Copy and then store the results in the destination buffer */
+    *pDst++ = *pSrc++;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+}
+#else
+void arm_copy_f32(
+  const float32_t * pSrc,
+        float32_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 /* #if defined(ARM_MATH_NEON) */
+/**
+  @} end of BasicCopy group
+ */