Page 255 - The Art of Designing Embedded Systems

242 THE ART OF DESIGNING EMBEDDED SYSTEMS

PCMCIA (Portable Computer Memory Problems, solving, 2, 12
Card International Association), Production rates, measuring one's code,
159 3 1-32
People musings, 187-20 1 Productivity, 35
boss management, 190-92 Products
degrees, 197-201 customers and views of, 45
managing feedback loop, 192-96 improving process of designing, 193
managing oneself and others, 187-90 quality of, 8
bug management, 188-89 virtual models of, 107
critical paths, 190 Products, shipping quality, 47
firmware standards, 188 Profession, worry for future of engineer-
tools, 189 ing, 199
tracking development rates, 189 Professionals creating software, 6
version control system, 188 Program size, code complexity grows
work environment, 189-90 much faster than, 82-83
Peopleware (DeMarco and Lister), 22 Programming languages; See Languages
Peopleware argument with managers, Programming, structured, 37
27 Programs, stop writing big, 35-5 1
Performance COCOMO (Constructive Cost Model)
analyzer, 79-82 data, 36-37
guesstimating, 72-79 conquer impossible, 50-5 1
measuring, 72-82 develop firmware incrementally,
Peripherals 48-50
drivers partitioning, 3748
fraught with risks and unknowns, Project files, 207
87 Prototype code, writing in Visual Basic,
hacking, 87-90 1 07
incredibly complex, 65 Prototype developers, ideal, 108
interrupts from internal, 64 Prototypes, 106, 134
Personal Software Process, 33 hardware is moving away from con-
Physical space, 94 ventional, 105
Plan ahead, 176 of system's software, 105
Planning, 130-3 1 Prototyping, notes on software, 104-8
PLDs, 121,128-29 Pull-down resistors, 112-13, 160
Polled code, writing, 54-55 Pull-up resistors, 113, 160
Polymorphism, 38
Ports Quality
using serial, 88 is nice, 7-8
virtual debugging, 180 of products, 8
Post mortem Quality products, shipping on time, 47
analysis, 194-95
Probes, take care of oscilloscope, 150 RAM (random-access memory), 58,
Problems 99-103, 119, 185
breakpoint, 69-7 1 diagnostics, 98- 104, 100-101
datacomm, 70 inverting bits, 100-101
expect, 134 noise issues, 101-4
reentrancy, 67-69 emulation, 137-38