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_mag_f32.c | 153 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 153 insertions(+), 0 deletions(-) diff --git a/mcu_sdk/gd32f103/rk_eFire/Board/CMSIS/DSP/Source/ComplexMathFunctions/arm_cmplx_mag_f32.c b/mcu_sdk/gd32f103/rk_eFire/Board/CMSIS/DSP/Source/ComplexMathFunctions/arm_cmplx_mag_f32.c new file mode 100644 index 0000000..6c8be8f --- /dev/null +++ b/mcu_sdk/gd32f103/rk_eFire/Board/CMSIS/DSP/Source/ComplexMathFunctions/arm_cmplx_mag_f32.c @@ -0,0 +1,153 @@ +/* ---------------------------------------------------------------------- + * Project: CMSIS DSP Library + * Title: arm_cmplx_mag_f32.c + * Description: Floating-point complex magnitude + * + * $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 + */ + +/** + * @defgroup cmplx_mag Complex Magnitude + * + * Computes the magnitude of the elements of a complex data vector. + * + * The <code>pSrc</code> points to the source data and + * <code>pDst</code> points to the where the result should be written. + * <code>numSamples</code> specifies the number of complex samples + * in the input array and the data is stored in an interleaved fashion + * (real, imag, real, imag, ...). + * The input array has a total of <code>2*numSamples</code> values; + * the output array has a total of <code>numSamples</code> values. + * The underlying algorithm is used: + * + * <pre> + * for(n=0; n<numSamples; n++) { + * pDst[n] = sqrt(pSrc[(2*n)+0]^2 + pSrc[(2*n)+1]^2); + * } + * </pre> + * + * There are separate functions for floating-point, Q15, and Q31 data types. + */ + +/** + * @addtogroup cmplx_mag + * @{ + */ +/** + * @brief Floating-point complex magnitude. + * @param[in] *pSrc points to complex input buffer + * @param[out] *pDst points to real output buffer + * @param[in] numSamples number of complex samples in the input vector + * @return none. + * + */ + + +void arm_cmplx_mag_f32( + float32_t * pSrc, + float32_t * pDst, + uint32_t numSamples) +{ + float32_t realIn, imagIn; /* Temporary variables to hold input values */ + +#if defined (ARM_MATH_DSP) + + /* Run the below code for Cortex-M4 and Cortex-M3 */ + uint32_t blkCnt; /* loop counter */ + + /*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] = sqrt(A[0] * A[0] + A[1] * A[1]) */ + realIn = *pSrc++; + imagIn = *pSrc++; + /* store the result in the destination buffer. */ + arm_sqrt_f32((realIn * realIn) + (imagIn * imagIn), pDst++); + + realIn = *pSrc++; + imagIn = *pSrc++; + arm_sqrt_f32((realIn * realIn) + (imagIn * imagIn), pDst++); + + realIn = *pSrc++; + imagIn = *pSrc++; + arm_sqrt_f32((realIn * realIn) + (imagIn * imagIn), pDst++); + + realIn = *pSrc++; + imagIn = *pSrc++; + arm_sqrt_f32((realIn * realIn) + (imagIn * imagIn), pDst++); + + + /* 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] = sqrt(A[0] * A[0] + A[1] * A[1]) */ + realIn = *pSrc++; + imagIn = *pSrc++; + /* store the result in the destination buffer. */ + arm_sqrt_f32((realIn * realIn) + (imagIn * imagIn), pDst++); + + /* Decrement the loop counter */ + blkCnt--; + } + +#else + + /* Run the below code for Cortex-M0 */ + + while (numSamples > 0U) + { + /* out = sqrt((real * real) + (imag * imag)) */ + realIn = *pSrc++; + imagIn = *pSrc++; + /* store the result in the destination buffer. */ + arm_sqrt_f32((realIn * realIn) + (imagIn * imagIn), pDst++); + + /* Decrement the loop counter */ + numSamples--; + } + +#endif /* #if defined (ARM_MATH_DSP) */ + +} + +/** + * @} end of cmplx_mag group + */ -- Gitblit v1.9.1