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Course OS2DD101 - OS/2 PDD Serial, Parallel Port Device Drivers

Objective

This five day workshop will enable programmers to write OS/2 Physical Device Drivers (PDD). A PDD enables I/O ports (serial, parallel, A/D, etc) to be shared by multiple OS/2 applications.

This workshop describes how the PDD communicates with the OS/2 kernel using the DevHlp interface. Installation and debug techniques will also be covered. The Developer Connection Device Driver Kit for OS/2 (Devcon-DDK) will be used extensively in order to build and test the PDD.

Target Audience

IBM or OEM programmers who code device drivers for PC hardware, such as serial, parallel, SCSI, or proprietary interfaces. This workshop is a recommended prerequisite for all other device driver workshops, except PM Printer and Video workshops.

Attendee prerequisites

o Programming expertise: C and/or MASM

o Have written device drivers/utilities for OEM hardware (DOS device drivers, ROM BIOS, test utilities)

o Must be a licensee of the following software

 - OS/2 2.x, OS/2 Warp 
 - Developers Connection Device Driver Kit 
 - MSC 6.0 

Outline

o OS/2 Structure o Device Driver types o Physical Device Driver

 - Character vs Block 

o Modes, Times

 - Init, Kernel, Interrupt, Timer 

o Init sequence

 - Config.sys processing 

o Utilities, debuggers

 - Compiler, Assembler, Linker usage 
 - Symbol Generation (MAPSYM) 
 - Kernel Debugger (KDB) 

o Processor support o Semaphores o PDD Address spaces

 - Memory Management 

o Monitor implementations o VDD Communication o Lab: Develop OEM Physical Device Driver