Other Cool Stuff together with Eclipse and Modelling Carsten Gosvig - PowerPoint PPT Presentation

A 10 years journey of Medical Device Development Other Cool Stuff together with Eclipse and Modelling Carsten Gosvig SW Tools Architect 20 March 2017

2 Requirements Why do we use modelling? Research Digital HW Development Highway Platform Avenue FW Domain Access Embedded SW Fitting SW C#/.NET Service C#/.NET Analog HW Application Audiology Street Production Labview Product Matlab Fitting SW Audiology Matlab DSP Algorithm Production___ C o m DSP Algorithm Matlab p l A e l Product t l i e o y n eSW Matlab FW Java Service HW Java

3 Requirements Parameter Abstraction Levels 1 parameter LP3 Audiology LP2 Transformations: Matlab, C#, DSL LP1 Filter = LP2 f 3dB f 3dB PC only f 3dB 2 parameters DSP Algorithm Type = LP LP f 3dB = 1.5 kHz f 3dB 6 coefficients Input + + s0 b0 PC and Device D eSW a 1 = 0.125 a 2 = 0.375 + + a1 b1 b 0 = 1.0 b 1 = 0.5 b 1 = 1.0 D s 0 = 0.75 a2 b2 data_in Register file w2 MUX 32 instructions q0_w2 q1_w2 REG REG w1 MUX SEL(Q0), SEL(W2), SHR(2), ADD(0), UPD(A); q0_w1 q1_w1 ctl[1] HW SEL(Q0), SEL(W2), SHR(4), ADD(A), UPD(A); -- (1) MUX REG REG ctl[2] input_sel ctl[0] ctl[5:3] SEL(Q0), SEL(W2), SHL(1), ADD(0), UPD(B); SHIFT sh_res ctl[10] ctl[11] SEL(Q0), SEL(W2), SHR(2), ADD(B), UPD(B); -- (2) ctl[7] MUX +/- acc_sel ctl[6] A B SEL(Q0), SEL(W1), SHR(2), ADD(B), UPD(B); -- (3) REG REG add_res ... ctl[8] ctl[9] ctl[12] REG res1 data_out

4 Requirements Automation and Customization FW Production FW.level HW.bias Start set: HW.bias = 42 run: FW.startTest3(4, 10) start get: stat = FW.isRunning stat == 0 snoop get: result = FW.level Stop

6 The Solution The Journey 2007-2010 2014-2016 • HW, FW and eSW • Audiology development development and • XML, C, RT model, Fitting SW driver • Custom debug GUI CLI tools, Java API, Device debug GUI M2T, Textual DSL • Eclipse Ganymede, • Eclipse Mars, RCP, EMF, CDT Xtend, Xtext 2017… 2011-2013 • DSP Algorithm and • Performance and Device production Modelling usability • Cached RT model, • Incremental M2M, IDE, HTTP API, Graphical editors, Settings diff GUI new Eclipse+Java • Eclipse Juno, Jetty, • Eclipse Neon, CNF, EMFCompare Graphiti, e4 XWT

6 The Solution Modelling like source code 2007-2010 • HW, FW and eSW development • XML, C, RT model , CLI tools, Java API, Device debug GUI Patched • Eclipse Ganymede, .c RCP, EMF, CDT • A • B • D CDT RT model • A X Y X • B • • N A • C • • B M Y • D Z • N Z • N • M • M XML

7 The Solution Performance with models in 2010 2007-2010 • HW, FW and eSW development • XML, C, RT model, CLI tools, Java API, Device debug GUI eSW • Eclipse Ganymede, FW RCP, EMF, CDT HW  Numbers are for the parameter DSL Year 2010  Types: Element types in DSL Types 90 Files 170  Files: Source model files Elements 14K  Elements: Source model elements Instances 220K  Instances: RT model elements Memory 540 MB  Load XML: Load source model Load XML 1 sec  Transform: Source model to RT model Transform 11 sec

8 The Solution Source model tooling 2007-2010 • HW, FW and eSW development • XML , C , RT model,  Controlling XML syntax for href attributes CLI tools, Java API, Device debug GUI  … xmi.impl.XMLResourceImpl.getEObjectByID(String) • Eclipse Ganymede, RCP, EMF , CDT  … xmi.impl.XMLResourceImpl.getURIFragment(EObject)  From EMF library example: <author> #//@writers.0 </author>  Source model example: link=" #idsp_unit.gp_core.top_param "  Generating source model files from c code with annotated elements  Using Eclipse CDT Managed Builder to drive the source file iteration  Each IASTTranslationUnit calls special ASTVisitor for annotated elements

9 The Solution RT model tooling 2007-2010 • HW, FW and eSW development • XML, C, RT model, Matlab Tests CLI tools , Java API , Device debug GUI • Eclipse Ganymede, RCP , EMF, CDT RCP Java Tests Device debug GUI Java API X • A Y Z • • • B N N • • • D M M X.A = 100 Y.N = 10 .image Z.N = 20 Z.M = 70 CLI

10 The Solution More model tooling 2011-2013 • DSP Algorithm and Device production • Cached RT model, Production IDE , HTTP API, CNF EMF Compare Settings diff GUI • Eclipse Juno, Jetty, CNF , EMFCompare Jetty EMF Binary Resource HTTP Server Impl .binary X • A Y Z .xml • • • B N N • • • D M M

11 The Solution Supporting non Java runtime 2011-2013 • DSP Algorithm and Device production • Cached RT model,  Uses org.eclipse.jetty.server.Handler.handle(String, IDE, HTTP API , Request, HttpServletRequest, HttpServletResponse) Settings diff GUI • Eclipse Juno, Jetty , CNF, EMFCompare Request: http://localhost:2950/plain/manager/sessions/foo/connections/bar/automation.flowchart Response: x=100 y=3000

12 The Solution Caching RT model 2011-2013 • DSP Algorithm and Device production • Cached RT model ,  org.eclipse.emf.ecore.resource.impl.BinaryResourceImpl IDE, HTTP API, Settings diff GUI  Binary format is tightly coupled to classifier and feature ID’s • Eclipse Juno, Jetty, CNF, EMFCompare  Numbers are for the parameter DSL Year 2010  Types: Element types in DSL Types 90 Files 170  Files: Source model files Elements 14K  Elements: Source model elements Instances 220K  Instances: RT model elements Memory 540 MB  Load XML: Load source model Load XML 1 sec  Transform: Source model to RT model Transform 11 sec  Load Bin: Load cached RT model Load Bin 2 sec

13 The Solution Even more model tooling 2014-2016 • Audiology development and Fitting SW driver • Custom debug GUI Fitting M2T , Textual DSL • Eclipse Mars, Software Xtend , Xtext Custom debug GUI workflow readLevel { XML Xtend output a .driver Generator a = FW.level C# } X • A Y Z • • • B N N • • • D M M

14 The Solution From XML to Xtext DSL approach 2014-2016 • Audiology development and Fitting SW driver • Custom debug GUI M2T, Textual DSL • Eclipse Mars, Xtend, Xtext

15 The Solution Customizable debugging GUI 2014-2016 • Audiology development and Fitting SW driver • Custom debug GUI M2T, Textual DSL • Eclipse Mars, EMF.Edit Xtend, Xtext

16 The Solution Performance with ever growing models 2017… • Performance and Modelling usability • Incremental M2M, Product Graphical editors, Audiology DSP Algorithm new Eclipse+Java eSW eSW • Eclipse Neon, FW FW HW Graphiti, e4 XWT HW  Numbers are for the parameter DSL Year 2010 2017  Types: Element types in DSL Types 90 260 Files 170 3300  Files: Source model files Elements 14K 190K  Elements: Source model elements Instances 220K 3100K  Instances: RT model elements Memory 540 MB 2800 MB  Load XML: Load source model Load XML 1 sec 3 sec  Transform: Source model to RT model Transform 11 sec 103 sec  Load Bin: Load cached RT model Load Bin 2 sec 23 sec

17 The Solution Improved tooling 2017… • Performance and Modelling usability Accessor • Incremental M2M ,  Our own BinaryResourceImpl • Z Graphical editors, • N new Eclipse+Java  Handling classifier and feature ID’s • • M Eclipse Neon, Graphiti, e4 XWT • A X X • B X • A Y Z • D • B • N • N Y • D • M • M Y • N Z Z • M Q Q P RT model • S • S P Q Q P • S • S P

18 The Solution RT model memory consumption 2017… • Performance and Modelling usability • Incremental M2M,  Requirement Graphical editors, new Eclipse+Java  Production test systems have limited memory • Eclipse Neon, Graphiti, e4 XWT  Solution  Use Boolean flags field instead of individual Boolean fields  Our own base class that extends org.eclipse.emf.ecore.impl.EObjectImpl  Find elements in model that are identical and then only keep one of them  Finding identical elements also takes time T U TU T • • • 1 1 1 • • U • 7 7 7  Replace general element structures with new element type  Instead of *1000 elements per memory block we will only have one element

19 The Solution New Eclipse and Java versions 2017… • Performance and Modelling usability • Incremental M2M,  Requirement Graphical editors, new Eclipse+Java  Use the latest versions – less bugs and most features • Eclipse Neon, Graphiti, e4 XWT  Support Eclipse Neon which requires Java 8 runtime  Support Matlab having it’s own JVM embedded, which is only at Java 7  Solution  Make the API needed in Matlab available through an HTTP interface  Ended up reusing/extending the first Jetty HTTP Server based API  Will generate a Java 7 compliant frontend for Matlab that uses HTTP

20 Graphical Editors 2017… • Performance and Modelling usability • Incremental M2M, Graphical editors , new Eclipse+Java • Eclipse Neon, Graphiti Graphiti , e4 XWT Binding Editor e4 XWT

21 The Solution Solution Numbers 2007-2017  Human Resources  20 SW developers have contributed over time  Around 60 man-years of work  More than 240 users  Artifacts  7500 files of Java source and test code  2500K lines of Java source and test code  85000 test model files