Merge pull request #3028 from gebart/pr/cmsis-dsp
pkg/cmsis-dsp: Add CMSIS-DSP as a packagedev/timer
Peter Kietzmann
8 years ago
commit
004a83c44d
@ -0,0 +1,34 @@
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PKG_NAME=cmsis-dsp
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PKG_URL=https://github.com/gebart/CMSIS-DSP.git
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PKG_VERSION=v1.4.5-riot1
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PKG_DIR=$(CURDIR)/$(PKG_NAME)
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ifneq ($(RIOTBASE),)
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include $(RIOTBASE)/Makefile.base
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endif
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.PHONY: all clean patch distclean
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all: $(PKG_DIR)/Makefile
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$(MAKE) -C $(CURDIR)/$(PKG_NAME)
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$(PKG_DIR)/Makefile: $(PKG_DIR)/.git/config
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@
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$(PKG_DIR)/.git/config:
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test -d "$(PKG_DIR)" || git clone "$(PKG_URL)" "$(PKG_DIR)"; \
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cd "$(PKG_DIR)" && git checkout -f "$(PKG_VERSION)"
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$(CURDIR)/$(PKG_NAME) $(PKG_NAME):
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# Get PKG_VERSION of package from PKG_URL
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git clone '$(PKG_URL)' '$(PKG_NAME)' && cd '$(PKG_NAME)' && git reset --hard '$(PKG_VERSION)'
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clean::
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@echo "Cleaning up $(PKG_NAME) package..."
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@-cd "$(PKG_DIR)" 2> /dev/null > /dev/null && \
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git clean -x -f && \
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git am --abort && \
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git reset --hard "$(PKG_VERSION)"
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distclean::
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rm -rf "$(PKG_DIR)"
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@ -0,0 +1 @@
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INCLUDES += -I$(RIOTBASE)/pkg/cmsis-dsp/cmsis-dsp/include
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@ -0,0 +1 @@
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Since there is no official public repository for the CMSIS-DSP library, we are using our own repo.
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@ -0,0 +1,34 @@
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APPLICATION = test-cmsis-dsp
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include ../Makefile.tests_common
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USEPKG += cmsis-dsp
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BOARD_WHITELIST := \
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airfy-beacon \
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arduino-due \
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cc2538dk \
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f4vi1 \
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fox \
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iot-lab_M3 \
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mbed_lpc1768 \
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msbiot \
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mulle \
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nucleo-f091 \
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nucleo-f303 \
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nucleo-f334 \
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nucleo-l1 \
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openmote \
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pba-d-01-kw2x \
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pca10000 \
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pca10005 \
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saml21-xpro \
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samr21-xpro \
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spark-core \
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stm32f0discovery \
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stm32f3discovery \
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stm32f4discovery \
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udoo \
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yunjia-nrf51822 \
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#
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include $(RIOTBASE)/Makefile.include
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@ -0,0 +1,113 @@
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/*
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* Copyright (C) 2015 Eistec AB
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup examples
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* @{
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*
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* @file
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* @brief ARM DSP library test application
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*
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* @author Joakim Gebart <joakim.gebart@eistec.se>
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*
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* @}
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <math.h>
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#include "arm_math.h"
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#define MAX_BLOCKSIZE 32
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#define DELTA (0.0000001f)
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/* ----------------------------------------------------------------------
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* Declare I/O buffers
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* ------------------------------------------------------------------- */
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float32_t wire1[MAX_BLOCKSIZE];
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float32_t wire2[MAX_BLOCKSIZE];
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float32_t wire3[MAX_BLOCKSIZE];
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/* ----------------------------------------------------------------------
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* Test input data for Floating point Variance example for 32-blockSize
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* Generated by the MATLAB randn() function
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* ------------------------------------------------------------------- */
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float32_t testInput_f32[32] =
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{
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-0.432564811528221, -1.665584378238097, 0.125332306474831, 0.287676420358549,
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-1.146471350681464, 1.190915465642999, 1.189164201652103, -0.037633276593318,
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0.327292361408654, 0.174639142820925, -0.186708577681439, 0.725790548293303,
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-0.588316543014189, 2.183185818197101, -0.136395883086596, 0.113931313520810,
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1.066768211359189, 0.059281460523605, -0.095648405483669, -0.832349463650022,
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0.294410816392640, -1.336181857937804, 0.714324551818952, 1.623562064446271,
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-0.691775701702287, 0.857996672828263, 1.254001421602532, -1.593729576447477,
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-1.440964431901020, 0.571147623658178, -0.399885577715363, 0.689997375464345
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};
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/* ----------------------------------------------------------------------
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* Declare Global variables
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* ------------------------------------------------------------------- */
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uint32_t blockSize = 32;
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float32_t refVarianceOut = 0.903941793931839;
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/* ----------------------------------------------------------------------
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* Variance calculation test
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* ------------------------------------------------------------------- */
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int main(void)
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{
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arm_status status;
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float32_t mean;
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float32_t oneByBlockSize = 1.0 / (blockSize);
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float32_t variance;
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float32_t diff;
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status = ARM_MATH_SUCCESS;
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puts("ARM DSP lib test");
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puts("Note: This test is using 32 bit IEEE 754 floating point numbers,"
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"(24 bit mantissa, 7 bit exponent)");
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puts("Expect roughly 7 decimals precision on the result.");
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/* Calculation of mean value of input */
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/* x' = 1/blockSize * (x(0)* 1 + x(1) * 1 + ... + x(n-1) * 1) */
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/* Fill wire1 buffer with 1.0 value */
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arm_fill_f32(1.0, wire1, blockSize);
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/* Calculate the dot product of wire1 and wire2 */
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/* (x(0)* 1 + x(1) * 1 + ...+ x(n-1) * 1) */
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arm_dot_prod_f32(testInput_f32, wire1, blockSize, &mean);
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/* 1/blockSize * (x(0)* 1 + x(1) * 1 + ... + x(n-1) * 1) */
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arm_mult_f32(&mean, &oneByBlockSize, &mean, 1);
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/* Calculation of variance value of input */
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/* (1/blockSize) * (x(0) - x') * (x(0) - x') + (x(1) - x') * (x(1) - x') + ... + (x(n-1) - x') * (x(n-1) - x') */
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/* Fill wire2 with mean value x' */
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arm_fill_f32(mean, wire2, blockSize);
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/* wire3 contains (x-x') */
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arm_sub_f32(testInput_f32, wire2, wire3, blockSize);
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/* wire2 contains (x-x') */
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arm_copy_f32(wire3, wire2, blockSize);
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/* (x(0) - x') * (x(0) - x') + (x(1) - x') * (x(1) - x') + ... + (x(n-1) - x') * (x(n-1) - x') */
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arm_dot_prod_f32(wire2, wire3, blockSize, &variance);
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/* Calculation of 1/blockSize */
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oneByBlockSize = 1.0 / (blockSize - 1);
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/* Calculation of variance */
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arm_mult_f32(&variance, &oneByBlockSize, &variance, 1);
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/* absolute value of difference between ref and test */
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diff = variance - refVarianceOut;
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/* Split into fractional and integral parts, since printing floats may not be supported on all platforms */
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float int_part;
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float frac_part = fabsf(modff(variance, &int_part));
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printf(" dsp: %3d.%09d\n", (int) int_part, (int) (frac_part * 1.0e9f + 0.5f));
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puts( "reference: 0.903941793931839");
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frac_part = fabsf(modff(diff, &int_part));
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printf(" diff: %3d.%09d\n", (int) int_part, (int) (frac_part * 1.0e9f + 0.5f));
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/* Comparison of variance value with reference */
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if(fabsf(diff) > DELTA) {
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status = ARM_MATH_TEST_FAILURE;
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}
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if(status != ARM_MATH_SUCCESS) {
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puts("Test failed");
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while(1)
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;
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}
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puts("Test done");
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while(1)
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; /* main function does not return */
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}
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