第一章：范例 .......................................................................................................................... 1
1.00
安装
µC/OS-II ................................................................................................................. 1
1.01 INCLUDES.H ..................................................................................................... 2
1.02
不依赖于编译的数据类型
................................................................................ 2
1.03
全局变量
........................................................................................................... 3
1.04 OS_ENTER_CRITICAL()
和
OS_EXIT_CRITICAL() ....................................... 5
1.05
基于
PC
的服务
................................................................................................ 6
1.05.01
字符显示
...................................................................................................................... 6
1.05.02
花费时间的测量
.......................................................................................................... 6
1.05.03
其他函数
...................................................................................................................... 7
1.06
应用
µC/OS-II
的范例
...................................................................................... 7
1.07
例
1 .................................................................................................................... 8
1.07.01 main() ........................................................................................................................... 9
1.07.02 TaskStart() .................................................................................................................. 11
1.07.03 TaskN
（）
.................................................................................................................. 13
1.08
例
2 ................................................................................................................................... 14
1.08.01 main() ......................................................................................................................... 15
1.08.02TaskStart() ................................................................................................................... 16
1.08.03 TaskN() ....................................................................................................................... 17
1.09
例
3 ................................................................................................................................... 21
1.09.01 main() ......................................................................................................................... 21
1.09.02
任务
............................................................................................................................ 22
1.09.03
注意
............................................................................................................................ 25
第二章实时系统概念......................................................................................................... 28
2.0
前后台系统（
FOREGROUND/BACKGROUND SYSTEM
）
...................................... 28
2.1
代码的临界段
................................................................................................... 29
2.2
资源
................................................................................................................... 29
2.3
共享资源
........................................................................................................... 29
2.4
多任务
............................................................................................................... 29
2.5
任务
................................................................................................................... 30
2.6
任务切换
(CONTEXT SWITCH OR TASK SWITCH) .................................................... 31
2.7
内核（
KERNEL
）
............................................................................................... 31
2.8
调度（
SCHEDULER
）
......................................................................................... 31
2.9
不可剥夺型内核（
NON-PREEMPTIVE KERNEL
）
.............................................. 32
2.10
可剥夺型内核
................................................................................................. 33
2.11
可重入性（
REENTRANCY
）
.............................................................................. 33
2.12
时间片轮番调度法
......................................................................................... 35
2.13
任务优先级
..................................................................................................... 35
2.14
静态优先级
..................................................................................................... 35
2.15
动态优先级
..................................................................................................... 36
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