| 1 | HowTo DSP_Lib_TestSuite 18.02.2019
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| 2 | =======================================
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| 3 |
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| 4 | This file describes the folder structure, content, prerequisites and instructions to validate the
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| 5 | build of the CMSIS-DSP library. This is done by processing input data sets using the DSP Library
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| 6 | functions executing on a target simulator or hardware. The output data sets are then compared
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| 7 | with the reference data set produced by unoptimized DSP functions and a Signal to Noise Ratio (SNR)
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| 8 | is computed. If the SNR is below a defined threshold the test is considered "passed".
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| 9 |
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| 10 |
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| 11 | Folder structure
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| 12 | ----------------
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| 13 | .\DSP_Lib_TestSuite Batch files for building the reference libraries and running the tests.
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| 14 | .\DSP_Lib_TestSuite\Common
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| 15 | .\DSP_Lib_TestSuite\Common\inc DSP_Lib test include files
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| 16 | .\DSP_Lib_TestSuite\Common\JTest JTEST Test Framework + INI files for uVision
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| 17 | .\DSP_Lib_TestSuite\Common\platform ARM/GCC device startup/system files
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| 18 | .\DSP_Lib_TestSuite\Common\src DSP_Lib test source files
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| 19 | .\DSP_Lib_TestSuite\DspLibTest_FVP ARM/GCC DSP_Lib test projects for Fixed Virtual Platforms
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| 20 | .\DSP_Lib_TestSuite\DspLibTest_MPS2 ARM/GCC DSP_Lib test projects for MPS2
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| 21 | .\DSP_Lib_TestSuite\DspLibTest_Simulator ARM/GCC DSP_Lib test projects for uVision simulator
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| 22 | .\DSP_Lib_TestSuite\RefLibs ARM/GCC DSP_Lib reference libraries (and projects)
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| 23 |
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| 24 |
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| 25 |
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| 26 | Prerequisites
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| 27 | --------------
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| 28 | - Python (running on Windows). Tested with ActivePython 2.7.8.10.
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| 29 | - Keil MDK-ARM (tested with MDK-ARM 5.22: http://www2.keil.com/mdk5)
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| 30 | - ULINKpro debug adapter (http://www2.keil.com/mdk5/ulink)
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| 31 | - MPS2 (Cortex-M Prototyping System:https://www.arm.com/products/tools/development-boards/versatile-express/cortex-m-prototyping-system.php)
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| 32 | - CMSIS 5.0.0 (https://github.com/ARM-software/CMSIS_5/releases/tag/5.0.0)
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| 33 |
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| 34 |
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| 35 | Setup
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| 36 | ------
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| 37 | - remove 'read-only' tag from folder .\CMSIS\DSP\Lib
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| 38 | (required for rebuild of the DSP_Lib libraries)
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| 39 |
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| 40 | - open a Windows command window in folder .\CMSIS\DSP\DSP_Lib_TestSuite.
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| 41 |
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| 42 |
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| 43 |
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| 44 | How to run the tests
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| 45 | ---------------------
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| 46 |
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| 47 | a) build the DSP_Lib libraries:
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| 48 | - batch file: buildDspLibs.bat
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| 49 | Note: only require if the DSP_Lib source code got updated or the desired configuration is missing
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| 50 | buildDspLibs.bat overwrites the prebuild libraries in .\CMSIS\DSP\Lib.
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| 51 | Log files of the build process are generated in folder .\CMSIS\DSP\DSP_Lib/[ARM|GCC]
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| 52 | - run: buildDspLibs.bat in a Windows command window in folder .\CMSIS\DSP\DSP_Lib_TestSuite
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| 53 | buildDspLibs ARM -> builds the ARMCC libraries
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| 54 | buildDspLibs GCC -> builds the GCC libraries
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| 55 |
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| 56 | b) build the reference libraries:
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| 57 | - batch file: buildRefLibs.bat
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| 58 |
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| 59 | Log files of the build process are generated in folder .\CMSIS\DSP\DSP_Lib_TestSuite\RefLibs/[ARM|GCC]
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| 60 | - run: buildRefLibs.bat in a Windows command window in folder .\CMSIS\DSP\DSP_Lib_TestSuite
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| 61 | buildRefLibs ARM -> builds the ARMCC reference libraries
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| 62 | buildRefLibs GCC -> builds the GCC reference libraries
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| 63 |
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| 64 | c) running an individual test using uVision (MDK-ARM):
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| 65 | - batch file: runTest.bat
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| 66 | - run: runTest.bat in a Windows command window in folder .\CMSIS\DSP\DSP_Lib_TestSuite
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| 67 | runTest -> prints usage information
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| 68 | e.g. runTest ARM cortexM4lf Simulator -> runs the test for toolchain ARM, Cortex-M4 littel endian with FPU, uVision Simulator.
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| 69 |
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| 70 | Tests running on MPS2 requires additional steps to setup. See section 'MPS2'.
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| 71 |
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| 72 | d) parsing the test output log file
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| 73 | - script: parseLog.py
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| 74 | - run: parseLog.py python script in a Windows command window in folder .\CMSIS\DSP\DSP_Lib_TestSuite
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| 75 | command line options should match the invocation of the runTest executed before.
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| 76 | e.g: runTest ARM cortexM4lf Simulator -> python parseLog.py ARM cortexM4lf Simulator
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| 77 |
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| 78 | - check the test log
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| 79 | depending on your test parameters change into the required folder
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| 80 | .\DSP_Lib_TestSuite\DspLibTest_[FVP|MPS2|Simulator]\[ARM|GCC]\Logs
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| 81 | the folder will contain the following files (e.g. for a 'runTest') :
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| 82 | DspLibTest_Simulator.log raw result of the last test run.
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| 83 | DspLibTest_Simulator_cortexM4lf.log raw result of a cortexM4lf test run
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| 84 | DspLibTest_Simulator_cortexM4lf_build.log build result of cortexM4lf test
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| 85 | DspLibTest_Simulator_cortexM4lf_parsed.log parsed log of raw result of a cortexM4lf test run
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| 86 | DspLibTest_Simulator_cortexM4lf_time.log log how long the test took (some tests e.g. M0 take really a long time!).
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| 87 | 'runTest' produces files of the format: DspLibTest_<test>_<core>...
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| 88 |
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| 89 |
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| 90 | Differences between the tests for FVP, MPS2, Simulator
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| 91 | ------------------------------------------------------
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| 92 | - all tests are identical except for:
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| 93 | 'Simulator' uses uVision with uVision simulator and generates also code coverage information
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| 94 | can be used for little/big endian tests
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| 95 | ! do not use 'Simulator' for M7 with FPU -> no uVision simulation available.
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| 96 | ! do not use 'Simulator' for ARMv8-M devices -> no uVision simulation available.
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| 97 | 'MPS2' uses uVision with ULINKpro debugger and MPS2. No code coverage information is generated.
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| 98 | can be used for little endian only (because of the lack of MPS2 FPGA images).
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| 99 | 'FVP' uses uVision with Models debugger. No code coverage information is generated.
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| 100 | can be used for little/big endian tests.
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| 101 | ! config files must be prepared.
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| 102 | ! uVision target for big endianess are not yet prepared.
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| 103 |
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| 104 |
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| 105 | Setup 'MPS2'
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| 106 | -------------
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| 107 | - load the appropriate FPGA image to the MPS2 board matching the CPU of the test builds prior to running the test
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| 108 | - check if ULINKpro can connect with the configured debug connection (JTAG or SWD) as this must
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| 109 | match the protocol implemented in the FPGA image.
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| 110 |
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| 111 |
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| 112 | How to select tests for "run all tests"
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| 113 | ----------------------------------------
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| 114 | - edit .\CMSIS\DSP\DSP_Lib_TestSuite\Common\src\all_tests.c
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| 115 | comment out all unwanted test groups.
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| 116 | e.g. // JTEST_GROUP_CALL(complex_math_tests);
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| 117 |
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| 118 | - edit .\CMSIS\DSP\DSP_Lib_TestSuite\Common\src\<test group>/<test group>_group.c
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| 119 | comment out all unwanted sub test groups.
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| 120 | e.g. file .\DSP_Lib_TestSuite\Common\src\basic_math_tests\basic_math_test_group.c -> // JTEST_GROUP_CALL(abs_tests);
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| 121 |
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| 122 | - edit .\CMSIS\DSP\DSP_Lib_TestSuite\Common\src\<test group>/<test>_tests.c
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| 123 | comment out all unwanted tests.
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| 124 | e.g. file .\DSP_Lib_TestSuite\Common\src\basic_math_tests\abs_tests.c -> // JTEST_TEST_CALL(arm_abs_f32_test);
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| 125 |
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| 126 |
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| 127 | Notes
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| 128 | -----
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| 129 | - How to use ARM Clang (ARM Compiler 6):
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| 130 | in uVision 'Options for Target' tab you can select which compiler to use
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| 131 | by default uVision uses ARMCC V5 for Cortex-M devices and ARMCLANG V6 only for ARMv8M.
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| 132 | Only ARMv8M cores have been tested using ARMCLANG
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| 133 |
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| 134 | - test data used for the tests is used as provided by DSP Concepts.
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| 135 |
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| 136 | - some tests run for a very long time before they finish. This is expected
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| 137 |
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