From 9f95ff5b6ba01db09552b84a0ab79607060a2666 Mon Sep 17 00:00:00 2001 From: Ali Labbene Date: Wed, 11 Dec 2019 08:59:21 +0100 Subject: 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 --- DSP/Examples/ARM/arm_variance_example/Abstract.txt | 4 + .../arm_variance_example/arm_variance_example.ini | 15 + .../arm_variance_example.uvoptx | 884 ++++++++++ .../arm_variance_example.uvprojx | 1741 ++++++++++++++++++++ .../arm_variance_example_f32.c | 204 +++ 5 files changed, 2848 insertions(+) create mode 100644 DSP/Examples/ARM/arm_variance_example/Abstract.txt create mode 100644 DSP/Examples/ARM/arm_variance_example/arm_variance_example.ini create mode 100644 DSP/Examples/ARM/arm_variance_example/arm_variance_example.uvoptx create mode 100644 DSP/Examples/ARM/arm_variance_example/arm_variance_example.uvprojx create mode 100644 DSP/Examples/ARM/arm_variance_example/arm_variance_example_f32.c (limited to 'DSP/Examples/ARM/arm_variance_example') diff --git a/DSP/Examples/ARM/arm_variance_example/Abstract.txt b/DSP/Examples/ARM/arm_variance_example/Abstract.txt new file mode 100644 index 0000000..371c79c --- /dev/null +++ b/DSP/Examples/ARM/arm_variance_example/Abstract.txt @@ -0,0 +1,4 @@ +CMSIS DSP_Lib example arm_variance_example for + Cortex-M0, Cortex-M3, Cortex-M4 with FPU and Cortex-M7 with single precision FPU. + +The example is configured for uVision Simulator. diff --git a/DSP/Examples/ARM/arm_variance_example/arm_variance_example.ini b/DSP/Examples/ARM/arm_variance_example/arm_variance_example.ini new file mode 100644 index 0000000..92d19a4 --- /dev/null +++ b/DSP/Examples/ARM/arm_variance_example/arm_variance_example.ini @@ -0,0 +1,15 @@ + +/* This file demonstrates how to Map memory ranges, specify read, write, and execute permissions + + The file can be executed in the following way: + 1) manually from uVision command window (in debug mode) using command: + INCLUIDE arm_variance_example.ini + +*/ + + +// usual initialisation for target setup +MAP 0x00000000, 0x0003FFFF EXEC READ // 256K Flash +MAP 0x20000000, 0x20007FFF READ WRITE // 32K RAM + + diff --git a/DSP/Examples/ARM/arm_variance_example/arm_variance_example.uvoptx b/DSP/Examples/ARM/arm_variance_example/arm_variance_example.uvoptx new file mode 100644 index 0000000..2cb3e22 --- /dev/null +++ b/DSP/Examples/ARM/arm_variance_example/arm_variance_example.uvoptx @@ -0,0 +1,884 @@ + + + + 1.0 + +
### uVision Project, (C) Keil Software
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### uVision Project, (C) Keil Software
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RTE\Device\ARMCM7_SP\system_ARMCM7.c + + + + + + + + + + diff --git a/DSP/Examples/ARM/arm_variance_example/arm_variance_example_f32.c b/DSP/Examples/ARM/arm_variance_example/arm_variance_example_f32.c new file mode 100644 index 0000000..b067a84 --- /dev/null +++ b/DSP/Examples/ARM/arm_variance_example/arm_variance_example_f32.c @@ -0,0 +1,204 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010-2012 ARM Limited. All rights reserved. +* +* $Date: 17. January 2013 +* $Revision: V1.4.0 +* +* Project: CMSIS DSP Library +* Title: arm_variance_example_f32.c +* +* Description: Example code demonstrating variance calculation of input sequence. +* +* Target Processor: Cortex-M4/Cortex-M3 +* +* Redistribution and use in source and binary forms, with or without +* modification, are permitted provided that the following conditions +* are met: +* - Redistributions of source code must retain the above copyright +* notice, this list of conditions and the following disclaimer. +* - Redistributions in binary form must reproduce the above copyright +* notice, this list of conditions and the following disclaimer in +* the documentation and/or other materials provided with the +* distribution. +* - Neither the name of ARM LIMITED nor the names of its contributors +* may be used to endorse or promote products derived from this +* software without specific prior written permission. +* +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +* POSSIBILITY OF SUCH DAMAGE. +* -------------------------------------------------------------------- */ + +/** + * @ingroup groupExamples + */ + +/** + * @defgroup VarianceExample Variance Example + * + * \par Description: + * \par + * Demonstrates the use of Basic Math and Support Functions to calculate the variance of an + * input sequence with N samples. Uniformly distributed white noise is taken as input. + * + * \par Algorithm: + * \par + * The variance of a sequence is the mean of the squared deviation of the sequence from its mean. + * \par + * This is denoted by the following equation: + * 
 variance = ((x[0] - x') * (x[0] - x') + (x[1] - x') * (x[1] - x') + ... + * (x[n-1] - x') * (x[n-1] - x')) / (N-1)
+ * where, x[n] is the input sequence, N is the number of input samples, and + * x' is the mean value of the input sequence, x[n]. + * \par + * The mean value x' is defined as: + * 
 x' = (x[0] + x[1] + ... + x[n-1]) / N
+ * + * \par Block Diagram: + * \par + * \image html Variance.gif + * + * + * \par Variables Description: + * \par + * \li \c testInput_f32 points to the input data + * \li \c wire1, \c wir2, \c wire3 temporary buffers + * \li \c blockSize number of samples processed at a time + * \li \c refVarianceOut reference variance value + * + * \par CMSIS DSP Software Library Functions Used: + * \par + * - arm_dot_prod_f32() + * - arm_mult_f32() + * - arm_sub_f32() + * - arm_fill_f32() + * - arm_copy_f32() + * + * Refer + * \link arm_variance_example_f32.c \endlink + * + */ + + +/** \example arm_variance_example_f32.c + */ +#include +#include "arm_math.h" + +/* ---------------------------------------------------------------------- +* Defines each of the tests performed +* ------------------------------------------------------------------- */ +#define MAX_BLOCKSIZE 32 +#define DELTA (0.000001f) + + +/* ---------------------------------------------------------------------- +* Declare I/O buffers +* ------------------------------------------------------------------- */ +float32_t wire1[MAX_BLOCKSIZE]; +float32_t wire2[MAX_BLOCKSIZE]; +float32_t wire3[MAX_BLOCKSIZE]; + +/* ---------------------------------------------------------------------- +* Test input data for Floating point Variance example for 32-blockSize +* Generated by the MATLAB randn() function +* ------------------------------------------------------------------- */ + +float32_t testInput_f32[32] = +{ + -0.432564811528221, -1.665584378238097, 0.125332306474831, 0.287676420358549, + -1.146471350681464, 1.190915465642999, 1.189164201652103, -0.037633276593318, + 0.327292361408654, 0.174639142820925, -0.186708577681439, 0.725790548293303, + -0.588316543014189, 2.183185818197101, -0.136395883086596, 0.113931313520810, + 1.066768211359189, 0.059281460523605, -0.095648405483669, -0.832349463650022, + 0.294410816392640, -1.336181857937804, 0.714324551818952, 1.623562064446271, + -0.691775701702287, 0.857996672828263, 1.254001421602532, -1.593729576447477, + -1.440964431901020, 0.571147623658178, -0.399885577715363, 0.689997375464345 + +}; + +/* ---------------------------------------------------------------------- +* Declare Global variables +* ------------------------------------------------------------------- */ +uint32_t blockSize = 32; +float32_t refVarianceOut = 0.903941793931839; + +/* ---------------------------------------------------------------------- +* Variance calculation test +* ------------------------------------------------------------------- */ + +int32_t main(void) +{ + arm_status status; + float32_t mean, oneByBlockSize; + float32_t variance; + float32_t diff; + + status = ARM_MATH_SUCCESS; + + /* Calculation of mean value of input */ + + /* x' = 1/blockSize * (x(0)* 1 + x(1) * 1 + ... + x(n-1) * 1) */ + + /* Fill wire1 buffer with 1.0 value */ + arm_fill_f32(1.0, wire1, blockSize); + + /* Calculate the dot product of wire1 and wire2 */ + /* (x(0)* 1 + x(1) * 1 + ...+ x(n-1) * 1) */ + arm_dot_prod_f32(testInput_f32, wire1, blockSize, &mean); + + /* Calculation of 1/blockSize */ + oneByBlockSize = 1.0 / (blockSize); + + /* 1/blockSize * (x(0)* 1 + x(1) * 1 + ... + x(n-1) * 1) */ + arm_mult_f32(&mean, &oneByBlockSize, &mean, 1); + + + /* Calculation of variance value of input */ + + /* (1/blockSize) * (x(0) - x') * (x(0) - x') + (x(1) - x') * (x(1) - x') + ... + (x(n-1) - x') * (x(n-1) - x') */ + + /* Fill wire2 with mean value x' */ + arm_fill_f32(mean, wire2, blockSize); + + /* wire3 contains (x-x') */ + arm_sub_f32(testInput_f32, wire2, wire3, blockSize); + + /* wire2 contains (x-x') */ + arm_copy_f32(wire3, wire2, blockSize); + + /* (x(0) - x') * (x(0) - x') + (x(1) - x') * (x(1) - x') + ... + (x(n-1) - x') * (x(n-1) - x') */ + arm_dot_prod_f32(wire2, wire3, blockSize, &variance); + + /* Calculation of 1/blockSize */ + oneByBlockSize = 1.0 / (blockSize - 1); + + /* Calculation of variance */ + arm_mult_f32(&variance, &oneByBlockSize, &variance, 1); + + /* absolute value of difference between ref and test */ + diff = fabsf(refVarianceOut - variance); + + /* Comparison of variance value with reference */ + if (diff > DELTA) + { + status = ARM_MATH_TEST_FAILURE; + } + + if ( status != ARM_MATH_SUCCESS) + { + while (1); + } + + while (1); /* main function does not return */ +} + + /** \endlink */ -- cgit