Page 256 - The Art of Designing Embedded Systems
P. 256
lndex 243
overlay, 137-38 Scoping tricks, 15C52
shadow, 138 SCR latchup, 115
Reader defined, 17 SCR (silicon controlled rectifier), 114
Real-time trace, 137 Sensitivity, pattern, 101
Recorder defined, 17 Serial ports, using, 88
Reentrancy problems, 67-69 Seven-step plan, 12-33
Refreshing devices, 103 buying and using VCS (Version Con-
Renting equipment, 156 trol System), 13-1 5
Reset, 117-19 constantly study software engineering,
glitches, 173-74 3 2-3 3
time delay on, 118 creating quiet work environment,
Resistors, 1 1 1-1 3 22-27
pull-down, 112-13, 160 instituting firmware standards manual,
pull-up, 113, 160 15-16
Resources, operating systems give tools measuring one’s
to manage, 84 bug rates, 27-30
Responsibilities, simple drawing system, code production rates, 3 1-32
234-35 using Code Inspections, 16-22
Results, define, 106 Shadow RAM, 138
Rise and fall times, 117 Shorts, 175
RMAs (rate monotonic analysis) and Signals
schedulers, 83 generation of INTR. 60
ROM emulators. 1 12, 146 triggering, 150
ROMs (read-only memories), 129, SMT (surface-mount technology). 129.
I85 142. 152
monitors, 14546 Sockets. 129
and PAL file names, 232 Software
and PALS. 230-32 debugging, 79
requirements, 97-98 drives hardware design, 40
RS-232, one of biggest headaches engineering, 32-33
around, 179 ICs, 74
RTOSs (real-time operating systems), professionals creating, 6
81-85.96, 125, 194 prototypes of system’s. 105
is context switcher, 83 prototyping, 104-8
using, 85 simplifying through multiple CPUs.
43-44
SCC (Serial Communications UART bit banging, 44
Controller), Zilog, 183 Software maturity. CMM defines five
Schedulers and RMAs, 83 levels of, 9
Schedules, 190 Soldering
collapse of, 3 1 equipment, 170
Schematics, 128 inspecting, 177
Scopes; See also Oscilloscopes Source debugger, 97
debugging by, 178-83 Source-level debugging, 135-36
grounding, 152 Space, physical, 94
simple drawing system, 223-24 Spacecraft, Mars Pathfinder, 173-74
tricks to effective uses, 180 Spikes, timing, 119
