From 6ab94e0b318884bbcb95e2ea3835f951502e1d99 Mon Sep 17 00:00:00 2001 From: jaseg Date: Wed, 14 Oct 2020 12:47:28 +0200 Subject: Move firmware into subdirectory --- .../arm_class_marks_example_f32.c | 211 +++++++++++++++++++++ 1 file changed, 211 insertions(+) create mode 100644 fw/cdc-dials/Drivers/CMSIS/DSP/Examples/ARM/arm_class_marks_example/arm_class_marks_example_f32.c (limited to 'fw/cdc-dials/Drivers/CMSIS/DSP/Examples/ARM/arm_class_marks_example/arm_class_marks_example_f32.c') diff --git a/fw/cdc-dials/Drivers/CMSIS/DSP/Examples/ARM/arm_class_marks_example/arm_class_marks_example_f32.c b/fw/cdc-dials/Drivers/CMSIS/DSP/Examples/ARM/arm_class_marks_example/arm_class_marks_example_f32.c new file mode 100644 index 0000000..e6842de --- /dev/null +++ b/fw/cdc-dials/Drivers/CMSIS/DSP/Examples/ARM/arm_class_marks_example/arm_class_marks_example_f32.c @@ -0,0 +1,211 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010-2012 ARM Limited. All rights reserved. +* +* $Date: 17. January 2013 +* $Revision: V1.4.0 +* +* Project: CMSIS DSP Library +* Title: arm_class_marks_example_f32.c +* +* Description: Example code to calculate Minimum, Maximum +* Mean, std and variance of marks obtained in a class +* +* 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 ClassMarks Class Marks Example + * + * \par Description: + * \par + * Demonstrates the use the Maximum, Minimum, Mean, Standard Deviation, Variance + * and Matrix functions to calculate statistical values of marks obtained in a class. + * + * \note This example also demonstrates the usage of static initialization. + * + * \par Variables Description: + * \par + * \li \c testMarks_f32 points to the marks scored by 20 students in 4 subjects + * \li \c max_marks Maximum of all marks + * \li \c min_marks Minimum of all marks + * \li \c mean Mean of all marks + * \li \c var Variance of the marks + * \li \c std Standard deviation of the marks + * \li \c numStudents Total number of students in the class + * + * \par CMSIS DSP Software Library Functions Used: + * \par + * - arm_mat_init_f32() + * - arm_mat_mult_f32() + * - arm_max_f32() + * - arm_min_f32() + * - arm_mean_f32() + * - arm_std_f32() + * - arm_var_f32() + * + * Refer + * \link arm_class_marks_example_f32.c \endlink + * + */ + + +/** \example arm_class_marks_example_f32.c + */ +#include "arm_math.h" + +#define USE_STATIC_INIT + + /* ---------------------------------------------------------------------- +** Global defines +** ------------------------------------------------------------------- */ + +#define TEST_LENGTH_SAMPLES (20*4) + +/* ---------------------------------------------------------------------- +** List of Marks scored by 20 students for 4 subjects +** ------------------------------------------------------------------- */ +const float32_t testMarks_f32[TEST_LENGTH_SAMPLES] = +{ + 42.000000, 37.000000, 81.000000, 28.000000, + 83.000000, 72.000000, 36.000000, 38.000000, + 32.000000, 51.000000, 63.000000, 64.000000, + 97.000000, 82.000000, 95.000000, 90.000000, + 66.000000, 51.000000, 54.000000, 42.000000, + 67.000000, 56.000000, 45.000000, 57.000000, + 67.000000, 69.000000, 35.000000, 52.000000, + 29.000000, 81.000000, 58.000000, 47.000000, + 38.000000, 76.000000, 100.000000, 29.000000, + 33.000000, 47.000000, 29.000000, 50.000000, + 34.000000, 41.000000, 61.000000, 46.000000, + 52.000000, 50.000000, 48.000000, 36.000000, + 47.000000, 55.000000, 44.000000, 40.000000, + 100.000000, 94.000000, 84.000000, 37.000000, + 32.000000, 71.000000, 47.000000, 77.000000, + 31.000000, 50.000000, 49.000000, 35.000000, + 63.000000, 67.000000, 40.000000, 31.000000, + 29.000000, 68.000000, 61.000000, 38.000000, + 31.000000, 28.000000, 28.000000, 76.000000, + 55.000000, 33.000000, 29.000000, 39.000000 +}; + + +/* ---------------------------------------------------------------------- +* Number of subjects X 1 +* ------------------------------------------------------------------- */ +const float32_t testUnity_f32[4] = +{ + 1.000, 1.000, 1.000, 1.000 +}; + + +/* ---------------------------------------------------------------------- +** f32 Output buffer +** ------------------------------------------------------------------- */ +static float32_t testOutput[TEST_LENGTH_SAMPLES]; + + +/* ------------------------------------------------------------------ +* Global defines +*------------------------------------------------------------------- */ +#define NUMSTUDENTS 20 +#define NUMSUBJECTS 4 + +/* ------------------------------------------------------------------ +* Global variables +*------------------------------------------------------------------- */ + + uint32_t numStudents = 20; + uint32_t numSubjects = 4; +float32_t max_marks, min_marks, mean, std, var; + uint32_t student_num; + +/* ---------------------------------------------------------------------------------- +* Main f32 test function. It returns maximum marks secured and student number +* ------------------------------------------------------------------------------- */ + +int32_t main() +{ + +#ifndef USE_STATIC_INIT + + arm_matrix_instance_f32 srcA; + arm_matrix_instance_f32 srcB; + arm_matrix_instance_f32 dstC; + + /* Input and output matrices initializations */ + arm_mat_init_f32(&srcA, numStudents, numSubjects, (float32_t *)testMarks_f32); + arm_mat_init_f32(&srcB, numSubjects, 1, (float32_t *)testUnity_f32); + arm_mat_init_f32(&dstC, numStudents, 1, testOutput); + +#else + + /* Static Initializations of Input and output matrix sizes and array */ + arm_matrix_instance_f32 srcA = {NUMSTUDENTS, NUMSUBJECTS, (float32_t *)testMarks_f32}; + arm_matrix_instance_f32 srcB = {NUMSUBJECTS, 1, (float32_t *)testUnity_f32}; + arm_matrix_instance_f32 dstC = {NUMSTUDENTS, 1, testOutput}; + +#endif + + + /* ---------------------------------------------------------------------- + *Call the Matrix multiplication process function + * ------------------------------------------------------------------- */ + arm_mat_mult_f32(&srcA, &srcB, &dstC); + + /* ---------------------------------------------------------------------- + ** Call the Max function to calculate max marks among numStudents + ** ------------------------------------------------------------------- */ + arm_max_f32(testOutput, numStudents, &max_marks, &student_num); + + /* ---------------------------------------------------------------------- + ** Call the Min function to calculate min marks among numStudents + ** ------------------------------------------------------------------- */ + arm_min_f32(testOutput, numStudents, &min_marks, &student_num); + + /* ---------------------------------------------------------------------- + ** Call the Mean function to calculate mean + ** ------------------------------------------------------------------- */ + arm_mean_f32(testOutput, numStudents, &mean); + + /* ---------------------------------------------------------------------- + ** Call the std function to calculate standard deviation + ** ------------------------------------------------------------------- */ + arm_std_f32(testOutput, numStudents, &std); + + /* ---------------------------------------------------------------------- + ** Call the var function to calculate variance + ** ------------------------------------------------------------------- */ + arm_var_f32(testOutput, numStudents, &var); + + while (1); /* main function does not return */ +} -- cgit