Development Environment - Embedded System Design - Lecture Slides, Slides of Computer Science

Download Development Environment - Embedded System Design - Lecture Slides and more Slides Computer Science in PDF only on Docsity! 4-Development Environment • Development processor – The processor on which we write and debug our programs • Usually a PC • Target processor – The processor that the program will run on in our embedded system • Often different from the development processor 1 Development processor Target processor Docsity.com Development Environment • Compilers – Cross compiler • Runs on one processor, but generates code for another • Assemblers • Linkers • Debuggers • Profilers 2 Compiler Linker C File C File Asm. File Binary File Binary File Binary File Exec. File Assemble r Library Implementation Phase Debugger Profiler Verification Phase Docsity.com Testing and Debugging • ISS – Gives us control over time – set breakpoints, look at register values, set values, step-by-step execution, ... – But, doesn’t interact with real environment • Download to board – Use device programmer – Runs in real environment, but not controllable • Compromise: emulator – Runs in real environment, at speed or near – Supports some controllability from the PC 5 Implementation Phase Implementation Phase Verification Phase Verification Phase Emulator Debugger / ISS Programmer Development processor (a) (b) External tools Docsity.com CodeWorrior Development Tool Bese eu a =I Ea} Edit view Search Project Processor Expert Window Help Bae Bot x hb OBaRea Gh Ee CodeWarrior oT fede wmaal eC) DE v Installed Products Example of File Menu ea Eali=leg} Edit View Search Project Processor Expert ‘Window Help Aan 4% 50 E New Text File Chrl+N New. CtrleshiFten Opens. Chto Find and Open File... C+D Close Corl Save Ctrl: Save All Ctrl+Shirt+s Save As... Save A Copy As... Revert Open Workspace... Close Workspace Save Workspace Save Workspace As, Import Project... Export Project, Page Setup... Print, Ctrl+P Open Recent Exit Project created from template 10 •Examine/ modify created source codes. Docsity.com Change Full chip simulation to HCS12 Serial Monitor 11 Docsity.com Compile project laretre eT Ute arth | HE Bie Edit view Search Project Processor Expert Window Help. 8x aa CR 3HER 4 beth me [| of ~ Path: [D:\LBESProject\Test'5 ources\main.c © Test este v7 Exanple 1s: Turn on every other seqnent on 7-seg displ Of #include chided .h> y* conmon defines and macros */ 4 HES12Serial Monitor | EY GY BG. #include <nc9s12dg256 .h> ve derivative infornation */—J #pragna LINK_INFO DERIVATIVE “wo9s12dg256b" Files | Link Order | Targets | #include "nain_asm.h" /* interface to the assembly nodule File Code | Data RAE |= BB readme.tat na ona * me void nain(woid) ¢ BB tips.tat nia nla e a oe “, © SEs Sources 0 | put your own code here */ h . . x PLL_init(): // set system clock frequency to 24 fB msin_asm : RE = Oxit: v/ Fort Bis output AB main.asm a Osea DDRI = Oxff: v¢ Port J is output ¢ AB maine o Or + ot DDRP = Oxff; 7/ Port P is output @ datapage.c o Ore ad PTI = 0x00; // enable LED queue.h o o- af PTP = 0x00: // enable all ?-segnent displays AB queue.c o | ¢/ turn on every other led and segment on ?-seg display @ © © Startup Code Q Oe + FORTB = On85; ¢ HQ Pim 9 | = Linker Map 0 a. for(::) {} -* wait forever */ © © Gl] Libraties 0 | } Ca Debugger Project File o a+ of (Ca Debugger Cimd Files o a+ oof 29 files a a y ctl 1?) bine Coli_||4] | off 12 Docsity.com