目 录
论文总页数:18 页
1 引言................................................................................................................................................1
1.1 课题背景.................................................................................................................................1
1.2 国内外研究现状.....................................................................................................................1
1.3 本课题研究的意义.................................................................................................................1
2 系统框图及原理............................................................................................................................1
3 磁场信号采集和处理....................................................................................................................2
3.1 磁阻传感器.............................................................................................................................3
3.2 磁场测量 ASIC ......................................................................................................................3
4 系统硬件........................................................................................................................................5
4.1 系统控制器..............................................................................................................................5
4.1.1 控制器内部结构..............................................................................................................5
4.1.2 控制器存储结构..............................................................................................................5
4.1.3 控制器具体电路..............................................................................................................6
4.2 系统扩展电路.........................................................................................................................7
4.2.1 通信电路...........................................................................................................................8
4.2.2 指南针模块接口电路......................................................................................................8
4.2.3 实时时钟电路..................................................................................................................9
4.2.4 液晶显示电路................................................................................................................10
4.2.5 系统输入电路.................................................................................................................11
5 系统软件......................................................................................................................................13
5.1 主监控程序...........................................................................................................................13
5.2 实时时钟驱动.......................................................................................................................13
5.3 人机界面驱动.......................................................................................................................14
5.3.1 液晶模块驱动................................................................................................................14
5.3.2 键盘驱动........................................................................................................................14
5.4 指南针模块驱动...................................................................................................................14
结 论..........................................................................................................................................15
参考文献..........................................................................................................................................16
致 谢..........................................................................................................................................17
声 明........................................................................................................................18