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Developing/Programming PalmOS Applications CS449 Introduction to Systems Software

Developing/Programming PalmOS Applications CS449 Introduction to Systems Software. Palm Application Development & GUI Programming. C Program hello .c SayHello( MainForm );. C header file hello .h #define MainForm 1000. hello .prc PalmOS executable. Palm Resource file (GUI Elements)

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Developing/Programming PalmOS Applications CS449 Introduction to Systems Software

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  1. Developing/ProgrammingPalmOS ApplicationsCS449Introduction to Systems Software

  2. Palm Application Development & GUI Programming C Program hello.c SayHello( MainForm ); C header file hello.h #define MainForm 1000 hello .prc PalmOS executable Palm Resource file (GUI Elements) hello.rcp FORM ID MainForm AT (0 0 160 160) USABLE BEGIN TITLE "Hello World" END

  3. Palm Resource file (GUI Elements) • Push buttons • Check boxes • Sliders, scrollbars • LabelsLook Up: • Form bitmaps • TextFields • Forms • Alerts • Menus • Tables • Lists/Popup • Buttons

  4. Compiling & Linking a PalmOS Application (Hello World example) (1) C Compiler m68k-palmos-gcc -c hello.c –o hello.o (2)Post-Processor m68k-palmos-obj-res hello C source code (hello.c) C Object code “Motorola 68000 binary code” m68k-palmos-gcchello.o -o hello Separate code Resources typeXXX.myfile.grc files (type=code, data, pref, rloc) C Preprocessor Header file (hello.h) (4)Build-prc Post-Linker Combine all objects into a binary .prc Palm executable Palm Executable (.prc) build-prc -t appl -o hello.prc -n “Hello” -c *.grc *.bin (3)PilRC hello.rcp UI Resource Compiler Convert .rcp to binary formatted A number of .bin files PalmOS Resource Code (hello.rcp)

  5. Without IDE (Command-line) PRC-tools: m68k-palmos-gcc (C Compiler) m68k-palmos-obj-res (gcc Post-Processor) PilRC (UI Resource Compiler) Build-PRC (PalmOS Post-Linker) Cmd-line debugger Test/Run executable: Simulator Emulator PDA (HotSync) With IDE (GUI) Good Environment to: Edit/Develop Code Build Project Run Step in/out during execution Trace/Report Built-in PRC-tools Built-in Debugger Test/Run executable: Built-in Simulator Built-in Emulator PDA (HotSync) Programming Tools Cygwin Shell PalmOS Developer Studio

  6. Cygwin Shell

  7. Palm Examples: Hello World Program GUI & Run

  8. PalmOS Developer Studio

  9. Makefile-1 • Script file to automate program compilation and linking (making) • Makefile is a list of rules and commands: target : source file(s) command(must be preceded by a tab) CC=gcc CFLAGS=-g hello: hello.c $CC $(CFLAGS) -ohello hello.c

  10. Makefile-2 PalmOS Application Makefile

  11. Examples:1.CS Calculator

  12. Example-2:IR Chat Program - Serial Communications using IR/Serial Ports

  13. Example-3:Attack Game - Serial Communications

  14. Example-4:GPad Program - Communicating over a network with TCP/IP

  15. Example-5:VFS Program – Virtual File System

  16. Example-5:VFS Program – Virtual File System

  17. Palm OS Architecture Applications User Mode Library (Managers) Memory Manager Window Manager Database Manager Comm. Manager VFS Manager … Operating System Kernel Kernel Mode Hardware

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