嵌入式系统软件教程（英文影印版）[按需印刷]

.3.4 interrupts 61
3.5 other common parts 62
3.6 built-ins on the microprocessor 72
3.7 conventions used on schematics 75
3.8 a sample schematic 75
3.9 a last word about hardware 77
chapter summary 78
problems 79
interrupts 81
4.1 microprocessor architecture 81
4,2 interrupt basics 85
4.3 the shared-data problem 92
4.4 interrupt latency 103
chapter summary 111
problems 112
survey of software architectures 115
5.1 round-robin 115
5.2 round-robin with interrupts 119
5.3 function-queue-scheduling architecture 127
5.4 real-time operating system architecture 129
5.5 selecting an architecture 132
chapter summary 133
problems 134
introduction to real-time operating
systems 137
6.1 tasks and task states 139
6.2 tasks and data 144
6.3 semaphores and shared data 153
chapter summary 168
problems 169
more operating system services 173
7.1 message queues, mailboxes, and pipes 173
7.2 timer functions 184
7.3 events 191
7.4 memory management 195
7.5 interrupt routines in an rtos environment 199
chapter summary 206
problems 207
basic design using a real-time operating
system 215
8.1 overview 215
8.2 principles 217
8.3 an example 233
8.4 encapsulating semaphores and queues 244
8.5 hard real-time scheduling considerations 253
8.6 saving memory space 254
8.7 saving power 257
chapter summary 259
problems 260
embedded software development tools 261
9.1 host and target machines 261
9.2 linker/locators for embedded software 263
9.3 getting embedded software into the target system 276
chapter summary 280
debugging techniques 283
10.1 testing on your host machine 284
10.2 instruction set simulators 302
10.3 the asseet macro 304
10.4 using laboratory tools 307
chapter summary 326
problems 327
an example system 329
11.1 what the program does 330
11.2 environment in which the program operates 333
11.3 a guide to the source code 336
11.4 source code 339
summary 402
problems 403
afterword 405
further reading 407
index 409