3.操作函数...........................................................................................................60
4.测试程序...........................................................................................................60
二.虚拟地址.................................................................................................................61
三.以太网控制器 —— CS8900A硬件调试 ..............................................................62
1.调试步骤...........................................................................................................62
2.出现过的问题...................................................................................................63
四.WiFi无线网络.........................................................................................................63
1.在RedHat9 上安装TL-WN210 无线网卡驱动...................................................64
2. 无线网络配置...................................................................................................67
3.RedHat9 上使用WL-110 无线网卡...................................................................71
4.无线网卡控制器PD6710 硬件测试..................................................................76
5.Linux下驱动程序及装载.................................................................................81
五.CPLD扩展外部设备...............................................................................................88
1.扩展I/O.............................................................................................................88
2.扩展串口 16C554..............................................................................................94
六.PWM驱动蜂鸣器 .................................................................................................109
1.驱动源码.........................................................................................................109
2.驱动测试程序.................................................................................................112
3.出现过的问题.................................................................................................112
七.485 网络驱动........................................................................................................113
1.硬件测试.........................................................................................................113
2.Linux驱动程序...............................................................................................118
3.驱动测试程序.................................................................................................121
4.出现的问题.....................................................................................................123
八.红外学习与发射...................................................................................................125
1.硬件测试程序.................................................................................................125
2.Linux驱动程序...............................................................................................130
3.驱动测试程序.................................................................................................135
4.出现的问题.....................................................................................................137
5.总结.................................................................................................................137
九.网络编程...............................................................................................................137
1.常用函数.........................................................................................................137
2.服务器程序.....................................................................................................146
3.测试用客户程序.............................................................................................151
4.利用IO复用替代多进程的并发服务器.........................................................152
5.用无线网络测试上述程序.............................................................................155
十.系统时间的实现...................................................................................................155
十一.关于进程的体会...............................................................................................156
1.进程间不共享变量.........................................................................................156
2.进程通信——信号的使用.............................................................................157
3.防止僵死进程.................................................................................................159
第四阶段 用户图形界面设计.............................................................................................159
一.QT应用编程 .........................................................................................................159
二.Qt/Embedded和QTOPIA......................................................................................159