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_sin_cos_example/arm_sin_cos_example_f32.c | 161 +++++++++++++++++++++ 1 file changed, 161 insertions(+) create mode 100644 fw/midi-dials/Drivers/CMSIS/DSP/Examples/ARM/arm_sin_cos_example/arm_sin_cos_example_f32.c (limited to 'fw/midi-dials/Drivers/CMSIS/DSP/Examples/ARM/arm_sin_cos_example/arm_sin_cos_example_f32.c') diff --git a/fw/midi-dials/Drivers/CMSIS/DSP/Examples/ARM/arm_sin_cos_example/arm_sin_cos_example_f32.c b/fw/midi-dials/Drivers/CMSIS/DSP/Examples/ARM/arm_sin_cos_example/arm_sin_cos_example_f32.c new file mode 100644 index 0000000..7e2eb00 --- /dev/null +++ b/fw/midi-dials/Drivers/CMSIS/DSP/Examples/ARM/arm_sin_cos_example/arm_sin_cos_example_f32.c @@ -0,0 +1,161 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010-2012 ARM Limited. All rights reserved. +* +* $Date: 12. March 2014 +* $Revision: V1.4.3 +* +* Project: CMSIS DSP Library +* Title: arm_sin_cos_example_f32.c +* +* Description: Example code demonstrating sin and cos calculation of input signal. +* +* 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 SinCosExample SineCosine Example + * + * \par Description: + * \par + * Demonstrates the Pythagorean trignometric identity with the use of Cosine, Sine, Vector + * Multiplication, and Vector Addition functions. + * + * \par Algorithm: + * \par + * Mathematically, the Pythagorean trignometric identity is defined by the following equation: + * 
sin(x) * sin(x) + cos(x) * cos(x) = 1
+ * where \c x is the angle in radians. + * + * \par Block Diagram: + * \par + * \image html sinCos.gif + * + * \par Variables Description: + * \par + * \li \c testInput_f32 array of input angle in radians + * \li \c testOutput stores sum of the squares of sine and cosine values of input angle + * + * \par CMSIS DSP Software Library Functions Used: + * \par + * - arm_cos_f32() + * - arm_sin_f32() + * - arm_mult_f32() + * - arm_add_f32() + * + * Refer + * \link arm_sin_cos_example_f32.c \endlink + * + */ + + +/** \example arm_sin_cos_example_f32.c + */ + +#include +#include "arm_math.h" + +/* ---------------------------------------------------------------------- +* Defines each of the tests performed +* ------------------------------------------------------------------- */ +#define MAX_BLOCKSIZE 32 +#define DELTA (0.0001f) + + +/* ---------------------------------------------------------------------- +* Test input data for Floating point sin_cos example for 32-blockSize +* Generated by the MATLAB randn() function +* ------------------------------------------------------------------- */ + +const float32_t testInput_f32[MAX_BLOCKSIZE] = +{ + -1.244916875853235400, -4.793533929171324800, 0.360705030233248850, 0.827929644170887320, -3.299532218312426900, 3.427441903227623800, 3.422401784294607700, -0.108308165334010680, + 0.941943896490312180, 0.502609575000365850, -0.537345278736373500, 2.088817392965764500, -1.693168684143455700, 6.283185307179590700, -0.392545884746175080, 0.327893095115825040, + 3.070147440456292300, 0.170611405884662230, -0.275275082396073010, -2.395492805446796300, 0.847311163536506600, -3.845517018083148800, 2.055818378415868300, 4.672594161978930800, + -1.990923030266425800, 2.469305197656249500, 3.609002606064021000, -4.586736582331667500, -4.147080139136136300, 1.643756718868359500, -1.150866392366494800, 1.985805026477433800 + + +}; + +const float32_t testRefOutput_f32 = 1.000000000; + +/* ---------------------------------------------------------------------- +* Declare Global variables +* ------------------------------------------------------------------- */ +uint32_t blockSize = 32; +float32_t testOutput; +float32_t cosOutput; +float32_t sinOutput; +float32_t cosSquareOutput; +float32_t sinSquareOutput; + +/* ---------------------------------------------------------------------- +* Max magnitude FFT Bin test +* ------------------------------------------------------------------- */ + +arm_status status; + +int32_t main(void) +{ + float32_t diff; + uint32_t i; + + for(i=0; i< blockSize; i++) + { + cosOutput = arm_cos_f32(testInput_f32[i]); + sinOutput = arm_sin_f32(testInput_f32[i]); + + arm_mult_f32(&cosOutput, &cosOutput, &cosSquareOutput, 1); + arm_mult_f32(&sinOutput, &sinOutput, &sinSquareOutput, 1); + + arm_add_f32(&cosSquareOutput, &sinSquareOutput, &testOutput, 1); + + /* absolute value of difference between ref and test */ + diff = fabsf(testRefOutput_f32 - testOutput); + + /* Comparison of sin_cos value with reference */ + if (diff > DELTA) + { + status = ARM_MATH_TEST_FAILURE; + } + + if ( status == ARM_MATH_TEST_FAILURE) + { + while (1); + } + + } + + while (1); /* main function does not return */ +} + + /** \endlink */ -- cgit