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目 录
第一章 通用输入/输出接口 ....................................................................... 1
1.1 GPIO 模块基本特性 .............................................................................. 1
1.2 GPIO 寄存器映射 .................................................................................. 1
1.3 GPIO 初始化和配置 .............................................................................. 3
1.4 板上 GPIO 资源及特性 ......................................................................... 4
1.5 Stellaris 库函数 ...................................................................................... 6
1.6 实验一 GPIO 操作编程 ...................................................................... 9
1.7 思考与练习题 ...................................................................................... 16
第二章 系统控制单元：时钟控制模块 ........................................................ 17
2.1 概述 ...................................................................................................... 17
2.2 功率控制 .............................................................................................. 17
2.3 时钟控制 .............................................................................................. 17
2.4 Stellaris 库函数 .................................................................................... 19
2.5 自编封装函数介绍 .............................................................................. 22
2.6 实验二 时钟控制编程 ...................................................................... 22
2.7 思考与练习题 ...................................................................................... 29
第三章 SysTick 及通用定时器模块 ............................................................. 30
3.1 概述 ...................................................................................................... 30
3.2 系统定时器（SysTick） ..................................................................... 30
3.3 Timer 模块 ........................................................................................... 31
3.4 Stellaris 库函数 .................................................................................... 32
3.5 实验三 SysTick 及 Timer 编程 ........................................................ 35
3.6 思考与练习题 ...................................................................................... 41
第四章 中 断 .............................................................................................. 42
4.1 中断基本概念 ...................................................................................... 42
4.2 Cortex-M3 内核异常与 NVIC ............................................................ 43
4.3 外部中断/事件控制器 ......................................................................... 45
4.4 Stellaris 中断基本编程方法 ................................................................ 46
4.5 实验四 中断编程 .............................................................................. 50
4.6 思考与练习题 ...................................................................................... 57
第五章 看门狗定时器 .................................................................................. 58
5.1 看门狗(Watchdog)简介 ....................................................................... 58
5.2 WatchDog 功能概述 ............................................................................ 58
5.3 Stellaris 库函数 .................................................................................... 59
5.4 实验五 Watchdog Timer 编程 .......................................................... 61
5.5 思考与练习题 ...................................................................................... 67
第六章 通用异步收发传输器 ....................................................................... 68
6.1 UART 简介 .......................................................................................... 68
6.2 UART 功能概述 .................................................................................. 68
6.3 Stellaris 函数库 ................................................................................... 72
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